OXYGENHUB
# f53cbe7a204e oxygen / src / cli / workspace.rs
75.0 KiB · Rust · last changed Fetch reports how each bookmark stands against the remote's copy 1 month ago source blame history raw
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//! Commands that act on the local repository and working copy.
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use super::format::{
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    author_name, deps_line, deps_of, plural, short_id, signature_line, signature_mark, subject_of,
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    when,
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};
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use super::json;
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use super::open;
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use super::ui;
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use anyhow::Result;
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use oxy_core::objects::ChangeKind;
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use oxy_core::repo::SignatureStatus;
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use oxy_core::repo::{render_change, ChangeStatus, Repo};
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use std::io::Write;
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use std::path::PathBuf;
16
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pub fn init(path: Option<PathBuf>, bare: bool) -> Result<i32> {
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    let path = path.unwrap_or(std::env::current_dir()?);
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    let repo = if bare {
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        Repo::init_bare(&path)?
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    } else {
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        Repo::init(&path)?
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    };
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    println!(
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        "{} {}oxy repository in {}",
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        ui::done("Initialized"),
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        if bare { "bare " } else { "" },
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        ui::path(repo.root().display())
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    );
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    println!(
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        "{}",
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        ui::kv("bookmark", ui::bookmark(&repo.config.bookmark))
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    );
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    println!(
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        "{}",
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        ui::kv(
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            "author",
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            format!(
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                "{} <{}>",
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                ui::author(&repo.config.author_name),
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                repo.config.author_email
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            )
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        )
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    );
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    Ok(0)
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}
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fn status_tag(s: ChangeStatus) -> &'static str {
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    match s {
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        ChangeStatus::Added => "A",
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        ChangeStatus::Modified => "M",
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        ChangeStatus::Removed => "D",
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        ChangeStatus::Renamed => "R",
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        ChangeStatus::ModeChanged => "X",
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        ChangeStatus::ConflictEdited => "C!",
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        ChangeStatus::Resolved => "V",
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    }
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}
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/// Folders holding a repository of their own, which oxy leaves out (oxygen#43):
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/// named, with how to track them.
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fn print_untracked_nested(repo: &Repo, nested: &[String]) {
63 
    if nested.is_empty() {
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        return;
65 
    }
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    println!();
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    println!(
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        "{} {}",
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        ui::section(ui::warn("Not tracked")),
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        ui::dim("folders holding a repository of their own")
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    );
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    for p in nested {
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        let kind = if repo.root().join(p).join(".git").exists() {
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            "Git"
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        } else {
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            "Oxygen"
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        };
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        println!(
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            "  {} {}  {}",
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            ui::caution(),
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            ui::path(format!("{p}/")),
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            ui::dim(format!("a nested {kind} repository"))
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        );
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    }
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    println!(
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        "  {} {}",
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        ui::note(),
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        ui::dim(
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            "to track one's files, remove its .git (or .oxy); to keep it a repository of its own, \
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             oxy submodule add URL PATH"
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        )
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    );
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}
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/// The working copy's changed paths, or that it is clean.
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fn print_statuses(statuses: &[oxy_core::repo::PathStatus]) {
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    if statuses.is_empty() {
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        println!(
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            "  {} {}",
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            ui::ok(ui::glyph("✔", "*")),
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            ui::dim("nothing to commit, working copy clean")
102 
        );
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        return;
104 
    }
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    println!();
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    for s in statuses {
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        println!(
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            "  {} {}",
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            ui::status_mark(status_tag(s.status)),
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            ui::path(&s.path)
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        );
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    }
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}
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pub fn status(json: bool) -> Result<i32> {
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    let repo = open()?;
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    // Answered by the manifest alone, with no history to load (oxygen#35,
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    // #41): a clean working copy, or one as the last snapshot left it.
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    let known = if json {
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        None
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    } else {
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        repo.status_by_manifest()?
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    };
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    if let Some(statuses) = known {
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        let (_, wc) = repo.working_copy()?;
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        let heads = repo.bookmark_heads()?;
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        println!(
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            "{} {}{}working copy {}{}{}",
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            ui::dim("On"),
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            ui::bookmark(&repo.config.bookmark),
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            ui::sep(),
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            ui::id(wc.change_id.short(8)),
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            ui::sep(),
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            ui::dim(plural(heads.len(), "head"))
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        );
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        print_statuses(&statuses);
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        print_untracked_nested(&repo, &repo.untracked_nested());
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        return Ok(0);
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    }
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    let sp = ui::spinner("Snapshotting the working copy…");
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    let snap = repo.snapshot_status("oxy status")?;
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    let heads = {
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        let _t = oxy_core::timing::phase("status: heads");
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        repo.bookmark_heads()?
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    };
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    let _drop = oxy_core::timing::phase("status: print and drop");
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    sp.clear();
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    if json {
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        println!("{}", repo.status_json(&snap)?);
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        return Ok(if snap.base_snapshot.is_conflicted() {
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            2
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        } else {
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            0
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        });
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    }
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    println!(
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        "{} {}{}working copy {}{}{}",
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        ui::dim("On"),
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        ui::bookmark(&repo.config.bookmark),
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        ui::sep(),
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        ui::id(snap.wc.change_id.short(8)),
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        ui::sep(),
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        ui::dim(plural(heads.len(), "head"))
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    );
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    print_statuses(&snap.statuses);
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    print_untracked_nested(&repo, &snap.untracked_nested);
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    if !snap.base_snapshot.is_conflicted() {
168 
        return Ok(0);
169 
    }
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    println!();
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    println!(
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        "{} {}",
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        ui::section(ui::err("Conflicts")),
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        ui::dim("edit the marked files, or the .oxy-conflict-N candidates, then commit")
175 
    );
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    for c in &snap.base_snapshot.tree.conflicts {
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        println!("  {} tree: {c:?}", ui::err(ui::glyph("✱", "!")));
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    }
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    for (p, f) in &snap.base_snapshot.files {
180 
        if f.is_conflicted() {
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            let state = match snap
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                .statuses
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                .iter()
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                .find(|s| s.path == *p)
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                .map(|s| s.status)
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            {
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                Some(ChangeStatus::Resolved) => {
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                    ui::ok(format!("{} resolved in working copy", ui::glyph("✔", "*")))
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                }
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                Some(ChangeStatus::ConflictEdited) => {
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                    ui::warn(format!("{} markers remain", ui::glyph("‼", "!")))
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                }
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                _ => ui::err(format!("{} unresolved", ui::glyph("✱", "!"))),
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            };
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            println!("  {}  {state}", ui::path(p));
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        }
197 
    }
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    Ok(2)
199 
}
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pub fn commit(
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    message: &str,
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    depends_on: &[String],
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    paths: &[String],
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    interactive: bool,
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    hunks: &[usize],
207 
) -> Result<i32> {
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    let repo = open()?;
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    let mut deps = Vec::new();
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    for d in depends_on {
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        deps.push(repo.resolve_change(d)?);
212 
    }
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    let selection = if !hunks.is_empty() {
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        oxy_core::repo::Selection::Hunks(hunks.to_vec())
215 
    } else if interactive {
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        let (_, hunks) = repo.hunks()?;
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        if hunks.is_empty() {
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            anyhow::bail!("nothing to commit: the working copy matches its base");
219 
        }
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        let hunks: Vec<_> = hunks
221 
            .into_iter()
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            .filter(|h| {
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                paths.is_empty()
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                    || paths.iter().any(|p| {
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                        h.path == *p || h.path.starts_with(&format!("{}/", p.trim_end_matches('/')))
226 
                    })
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            })
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            .collect();
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        let mut chosen = Vec::new();
230 
        let stdin = std::io::stdin();
231 
        let mut take_rest = false;
232 
        for (n, h) in hunks.iter().enumerate() {
233 
            if take_rest {
234 
                chosen.push(h.index);
235 
                continue;
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            }
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            println!(
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                "{} {} {}",
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                ui::section(format!("hunk {} of {}", n + 1, hunks.len())),
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                ui::path(&h.path),
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                ui::dim(format!("(#{})", h.index))
242 
            );
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            for line in h.text.lines() {
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                let styled = if line.starts_with('+') {
245 
                    ui::ok(line)
246 
                } else if line.starts_with('-') {
247 
                    ui::err(line)
248 
                } else {
249 
                    ui::dim(line)
250 
                };
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                println!("  {styled}");
252 
            }
253 
            loop {
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                print!(
255 
                    "{} ",
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                    ui::warn("Commit this hunk? [y]es [n]o [a]ll remaining [q]uit:")
257 
                );
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                use std::io::Write as _;
259 
                std::io::stdout().flush()?;
260 
                let mut answer = String::new();
261 
                if stdin.read_line(&mut answer)? == 0 {
262 
                    anyhow::bail!("aborted");
263 
                }
264 
                match answer.trim() {
265 
                    "y" | "Y" => {
266 
                        chosen.push(h.index);
267 
                        break;
268 
                    }
269 
                    "n" | "N" | "" => break,
270 
                    "a" | "A" => {
271 
                        chosen.push(h.index);
272 
                        take_rest = true;
273 
                        break;
274 
                    }
275 
                    "q" | "Q" => anyhow::bail!("aborted; nothing committed"),
276 
                    _ => continue,
277 
                }
278 
            }
279 
        }
280 
        if chosen.is_empty() {
281 
            anyhow::bail!("no hunks chosen; nothing committed");
282 
        }
283 
        oxy_core::repo::Selection::Hunks(chosen)
284 
    } else if paths.is_empty() {
285 
        oxy_core::repo::Selection::All
286 
    } else {
287 
        oxy_core::repo::Selection::Paths(paths.to_vec())
288 
    };
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    let sp = ui::spinner("Committing…");
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    let h = repo.commit_selection(message, &deps, &selection)?;
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    let c = repo.store().get_change(&h)?;
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    sp.done(&format!(
293 
        "{} {} {}  {}",
294 
        ui::done("Committed"),
295 
        ui::id(short_id(&c)),
296 
        ui::hash(format!("#{}", h.short(12))),
297 
        ui::subject(subject_of(message))
298 
    ));
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    print_untracked_nested(&repo, &repo.untracked_nested());
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    if !matches!(selection, oxy_core::repo::Selection::All) {
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        let rest = repo.snapshot_status("oxy commit")?;
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        if !rest.statuses.is_empty() {
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            println!(
304 
                "  {} {}",
305 
                ui::note(),
306 
                ui::dim(format!(
307 
                    "{} left uncommitted",
308 
                    plural(rest.statuses.len(), "path")
309 
                ))
310 
            );
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        }
312 
    }
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    where_now(&repo);
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    Ok(0)
315 
}
316
317 
pub fn blame(path: &str, json: bool) -> Result<i32> {
318 
    let repo = open()?;
319 
    let lines = repo.blame(path)?;
320 
    if json {
321 
        let items = lines.iter().map(|l| {
322 
            format!(
323 
                "{{\"line\":{},\"change_id\":{},\"hash\":{},\"index\":{},\"author\":{},\"when_ms\":{}}}",
324 
                l.line,
325 
                oxy_core::repo::json_str(&l.change_id.to_hex()),
326 
                oxy_core::repo::json_str(&l.hash.to_hex()),
327 
                l.index,
328 
                oxy_core::repo::json_str(&l.author),
329 
                l.when_ms
330 
            )
331 
        });
332 
        println!("{}", oxy_core::repo::json_array(items));
333 
        return Ok(0);
334 
    }
75167672 Andy McCall 335 
    let width = lines
336 
        .iter()
337 
        .map(|l| l.author.chars().count())
338 
        .max()
339 
        .unwrap_or(0)
340 
        .min(20);
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    let digits = lines.len().to_string().len();
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    let _t = oxy_core::timing::phase("blame: print");
343 
    // Most lines share their change with many others: each change's id,
344 
    // author and age are formatted once, and the lines go out through one
345 
    // buffered lock on stdout.
346 
    let mut prefix: std::collections::HashMap<oxy_core::hash::ChangeHash, String> =
347 
        std::collections::HashMap::new();
348 
    let bar = ui::dim(ui::glyph("│", "|"));
349 
    let mut out = std::io::BufWriter::with_capacity(1 << 16, std::io::stdout().lock());
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    for l in &lines {
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        let p = prefix.entry(l.hash).or_insert_with(|| {
352 
            let author: String = l.author.chars().take(20).collect();
353 
            format!(
354 
                "{} {} {}",
355 
                ui::id(l.change_id.short(8)),
356 
                ui::author(format!("{author:<width$}")),
357 
                ui::dim(ui::ago(l.when_ms))
358 
            )
359 
        });
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        let text = String::from_utf8_lossy(&l.text);
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        if writeln!(
362 
            out,
363 
            "{p} {:>digits$}{bar} {}",
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            l.line,
365 
            text.trim_end_matches('\n')
fddf64ba Andy McCall ↶ 366 
        )
367 
        .is_err()
368 
        {
369 
            // A closed pipe (blame | head): stop quietly.
370 
            return Ok(0);
371 
        }
957fee30 Andy McCall ↶ 372 
    }
fddf64ba Andy McCall ↶ 373 
    let _ = out.flush();
957fee30 Andy McCall ↶ 374 
    Ok(0)
375 
}
376
377 
fn bisect_report(repo: &Repo, step: &oxy_core::repo::BisectStep) -> Result<i32> {
378 
    use oxy_core::repo::BisectStep::*;
379 
    match step {
380 
        NeedMarks { good, bad } => {
75167672 Andy McCall 381 
            println!(
382 
                "{} {} {}",
383 
                ui::note(),
384 
                ui::dim(format!("{good} good, {bad} bad;")),
385 
                ui::dim(if *good == 0 {
386 
                    "mark a known-good change or bookmark: oxy bisect good CHANGE"
387 
                } else {
388 
                    "mark a known-bad change or bookmark: oxy bisect bad CHANGE"
389 
                })
390 
            );
957fee30 Andy McCall ↶ 391 
            Ok(0)
392 
        }
75167672 Andy McCall 393 
        Testing {
394 
            heads,
395 
            remaining,
396 
            steps_left,
397 
        } => {
398 
            println!(
399 
                "{} {} {}",
400 
                ui::done("Testing"),
401 
                ui::dim(format!(
402 
                    "{} in the state under test;",
403 
                    plural(heads.len(), "head")
404 
                )),
405 
                ui::dim(format!(
406 
                    "{remaining} candidates left, about {steps_left} more steps"
407 
                ))
408 
            );
409 
            println!(
410 
                "  {} {}",
411 
                ui::note(),
412 
                ui::dim("run your test, then oxy bisect good | bad | skip")
413 
            );
957fee30 Andy McCall ↶ 414 
            Ok(0)
415 
        }
416 
        Found { culprit } => {
417 
            let c = repo.store().get_change(culprit)?;
75167672 Andy McCall 418 
            println!(
419 
                "{} {} {}  {}",
420 
                ui::done("Found"),
421 
                ui::id(short_id(&c)),
422 
                ui::hash(format!("#{}", culprit.short(12))),
423 
                ui::subject(subject_of(&c.message))
424 
            );
957fee30 Andy McCall ↶ 425 
            println!("  {} {}", ui::note(), ui::dim("the first change whose inclusion makes the state bad; oxy bisect reset to return"));
426 
            Ok(0)
427 
        }
428 
        Inconclusive { candidates } => {
75167672 Andy McCall 429 
            println!(
430 
                "{} {}",
431 
                ui::caution(),
432 
                ui::warn(format!(
433 
                    "every remaining candidate was skipped ({}); oxy bisect reset to return",
434 
                    plural(candidates.len(), "change")
435 
                ))
436 
            );
957fee30 Andy McCall ↶ 437 
            Ok(1)
438 
        }
439 
    }
440 
}
441
442 
pub fn bisect_start() -> Result<i32> {
443 
    let repo = open()?;
444 
    repo.bisect_start()?;
75167672 Andy McCall 445 
    println!(
446 
        "{} bisect; {}",
447 
        ui::done("Started"),
448 
        ui::dim("now: oxy bisect good CHANGE and oxy bisect bad CHANGE")
449 
    );
957fee30 Andy McCall ↶ 450 
    Ok(0)
451 
}
452
453 
pub fn bisect_mark(good: Option<bool>, changes: &[String]) -> Result<i32> {
454 
    let repo = open()?;
455 
    let mut heads = Vec::new();
456 
    for c in changes {
457 
        heads.extend(repo.resolve_heads(c)?);
458 
    }
459 
    let step = repo.bisect_mark(good, &heads)?;
460 
    bisect_report(&repo, &step)
461 
}
462
463 
pub fn bisect_run(command: &[String]) -> Result<i32> {
464 
    let repo = open()?;
465 
    let step = repo.bisect_run(command)?;
466 
    bisect_report(&repo, &step)
467 
}
468
c6aa5bd9 Andy McCall ↶ 469 
pub fn bisect_status(as_json: bool) -> Result<i32> {
957fee30 Andy McCall ↶ 470 
    let repo = open()?;
c6aa5bd9 Andy McCall ↶ 471 
    if as_json {
472 
        use oxy_core::repo::BisectStep::*;
473 
        let v = match repo.bisect_status()? {
474 
            None => "null".to_string(),
75167672 Andy McCall 475 
            Some(NeedMarks { good, bad }) => json::obj([
476 
                ("state", json::s("need-marks")),
477 
                ("good", json::n(good)),
478 
                ("bad", json::n(bad)),
479 
            ]),
480 
            Some(Testing {
481 
                heads,
482 
                remaining,
483 
                steps_left,
484 
            }) => json::obj([
485 
                ("state", json::s("testing")),
486 
                ("heads", json::hashes(&heads)),
487 
                ("remaining", json::n(remaining)),
488 
                ("steps_left", json::n(steps_left)),
489 
            ]),
490 
            Some(Found { culprit }) => json::obj([
491 
                ("state", json::s("found")),
492 
                ("culprit", json::s(&culprit.to_hex())),
493 
            ]),
494 
            Some(Inconclusive { candidates }) => json::obj([
495 
                ("state", json::s("inconclusive")),
496 
                ("candidates", json::hashes(&candidates)),
497 
            ]),
c6aa5bd9 Andy McCall ↶ 498 
        };
499 
        println!("{v}");
500 
        return Ok(0);
501 
    }
957fee30 Andy McCall ↶ 502 
    match repo.bisect_status()? {
503 
        None => {
504 
            println!("{}", ui::dim("No bisect in progress."));
505 
            Ok(0)
506 
        }
507 
        Some(step) => bisect_report(&repo, &step),
508 
    }
509 
}
510
511 
pub fn bisect_reset() -> Result<i32> {
512 
    let repo = open()?;
513 
    repo.bisect_reset()?;
514 
    println!("{} bisect; working copy restored", ui::done("Reset"));
fce44ae9 Andy McCall ↶ 515 
    Ok(0)
516 
}
517
94084087 Andy McCall ↶ 518 
/// The log: one entry per change, newest first, joined by a rail. The
519 
/// default view is the subject and a metadata line; `verbose` adds the full
520 
/// message, dependencies, and the authenticating key.
c6aa5bd9 Andy McCall ↶ 521 
fn signature_json(repo: &Repo, h: &oxy_core::hash::ChangeHash) -> Result<String> {
522 
    Ok(match repo.authenticate_change(h)? {
523 
        SignatureStatus::Unsigned => json::obj([("status", json::s("unsigned"))]),
75167672 Andy McCall 524 
        SignatureStatus::Valid {
525 
            key,
526 
            name,
527 
            email,
528 
            sealed,
529 
            revoked,
530 
        } => json::obj([
c6aa5bd9 Andy McCall ↶ 531 
            ("status", json::s(if sealed { "sealed" } else { "signed" })),
532 
            ("key", json::s(&key.to_hex())),
533 
            ("name", json::s(&name)),
534 
            ("email", json::s(&email)),
535 
            ("revoked", json::b(revoked)),
536 
        ]),
75167672 Andy McCall 537 
        SignatureStatus::Invalid(why) => {
538 
            json::obj([("status", json::s("invalid")), ("reason", json::s(&why))])
539 
        }
c6aa5bd9 Andy McCall ↶ 540 
    })
541 
}
542
543 
fn log_entry_json(repo: &Repo, e: &oxy_core::repo::LogEntry) -> Result<String> {
544 
    let c = &e.change;
545 
    Ok(json::obj([
546 
        ("hash", json::s(&e.hash.to_hex())),
547 
        ("change_id", json::s(&c.change_id.to_hex())),
548 
        ("author", json::s(&author_name(repo, c))),
549 
        ("author_key", json::s(&c.author.to_hex())),
550 
        ("when_ms", json::n(c.hlc.wall_ms)),
551 
        ("message", json::s(&c.message)),
552 
        ("kind", json::s(&format!("{:?}", c.kind).to_lowercase())),
553 
        ("deps", json::hashes(&c.deps)),
554 
        ("head", json::b(e.is_head)),
555 
        ("working_copy", json::b(e.is_working_copy)),
75167672 Andy McCall 556 
        (
557 
            "signature",
558 
            if e.is_working_copy {
559 
                "null".into()
560 
            } else {
561 
                signature_json(repo, &e.hash)?
562 
            },
563 
        ),
c6aa5bd9 Andy McCall ↶ 564 
    ]))
565 
}
566
83d61e80 Andy McCall ↶ 567 
/// `START,END:PATH` for `oxy log -L`.
568 
fn parse_line_range(spec: &str) -> Result<(usize, usize, &str)> {
569 
    let bad = || anyhow::anyhow!("-L {spec}: expected START,END:PATH, as 10,24:src/lib.rs");
570 
    let (range, path) = spec.split_once(':').ok_or_else(bad)?;
571 
    let (a, b) = range.split_once(',').ok_or_else(bad)?;
572 
    Ok((
573 
        a.trim().parse().map_err(|_| bad())?,
574 
        b.trim().parse().map_err(|_| bad())?,
575 
        path,
576 
    ))
577 
}
578
579 
pub fn log(
580 
    limit: Option<usize>,
581 
    verbose: bool,
582 
    path: Option<&str>,
583 
    lines: Option<&str>,
584 
    as_json: bool,
585 
) -> Result<i32> {
fce44ae9 Andy McCall ↶ 586 
    let repo = open()?;
69816d68 Andy McCall ↶ 587 
    // Whether the working copy is clean and conflicted: from the manifest
588 
    // when it proves the working copy clean, else from a snapshot.
33472ccc Andy McCall ↶ 589 
    // The working copy as last recorded, without looking at the files (as
590 
    // Git's log does not): whether its change holds edits, and whether its
591 
    // base was conflicted. `oxy status` is what checks the disk.
592 
    let conflicted = !repo.is_at_op() && repo.recorded_conflicted()?;
4cce912a Andy McCall ↶ 593 
    let listing = oxy_core::timing::phase("log: entries");
83d61e80 Andy McCall ↶ 594 
    let entries = match (path, lines) {
595 
        (_, Some(spec)) => {
596 
            let (first, last, p) = parse_line_range(spec)?;
69816d68 Andy McCall ↶ 597 
            let (_, wc) = repo.working_copy()?;
598 
            let base = repo.load_state_history(&wc.deps)?.maximal(&wc.deps);
599 
            repo.line_history(&base, p, first, last)?
83d61e80 Andy McCall ↶ 600 
        }
601 
        (Some(p), None) => repo.log_for_path(p)?,
602 
        (None, None) => repo.log()?,
c6aa5bd9 Andy McCall ↶ 603 
    };
4cce912a Andy McCall ↶ 604 
    drop(listing);
605 
    let _print = oxy_core::timing::phase("log: print");
c6aa5bd9 Andy McCall ↶ 606 
    if as_json {
607 
        let shown = limit.unwrap_or(entries.len()).min(entries.len());
608 
        let mut items = Vec::new();
609 
        for e in entries.iter().take(shown) {
610 
            items.push(log_entry_json(&repo, e)?);
611 
        }
75167672 Andy McCall 612 
        println!(
613 
            "{}",
614 
            json::obj([
615 
                ("bookmark", json::s(&repo.config.bookmark)),
616 
                ("total", json::n(entries.len())),
617 
                ("changes", json::arr(items))
618 
            ])
619 
        );
c6aa5bd9 Andy McCall ↶ 620 
        return Ok(0);
621 
    }
94084087 Andy McCall ↶ 622 
    let total = entries.len();
623 
    let shown = limit.unwrap_or(total).min(total);
2bf22305 Andy McCall ↶ 624 
    // Lay out a little past what is shown, so edges into the cut are drawn.
625 
    let window: Vec<(ChangeHash, Vec<ChangeHash>)> = entries
626 
        .iter()
627 
        .take((shown + MAX_EDGE).min(total))
628 
        .map(|e| (e.hash, e.change.deps.clone()))
629 
        .collect();
630 
    let rows = oxy_core::lanes::graph(&window, MAX_EDGE);
631 
    // Highlight the shortest prefix that names each change: against the
632 
    // whole log, which is what `resolve_change` searches.
633 
    let everything;
634 
    let all = if path.is_some() || lines.is_some() {
635 
        everything = repo.log()?;
636 
        &everything
637 
    } else {
638 
        &entries
639 
    };
640 
    let id_prefix = unique_prefixes(all.iter().map(|e| e.change.change_id.to_hex()));
641 
    let labels = reference_labels(&repo)?;
642 
    for (e, row) in entries.iter().take(shown).zip(&rows) {
fce44ae9 Andy McCall ↶ 643 
        let c = &e.change;
75167672 Andy McCall 644 
        let bullet = ui::log_bullet(
645 
            e.is_working_copy,
646 
            e.is_head,
647 
            e.is_working_copy && conflicted,
648 
        );
2bf22305 Andy McCall ↶ 649 
        let id = c.change_id.to_hex();
650 
        let n = id_prefix.get(&id).copied().unwrap_or(8).min(8);
651 
        let mut head = vec![format!("{}{}", ui::id(&id[..n]), ui::dim(&id[n..8]))];
652 
        head.push(ui::author(author_name(&repo, c)));
653 
        head.push(ui::dim(ui::ago(c.hlc.wall_ms)));
654 
        if let Some(names) = labels.get(&e.hash) {
655 
            head.push(names.join(" "));
fce44ae9 Andy McCall ↶ 656 
        }
94084087 Andy McCall ↶ 657 
        if c.kind == ChangeKind::Resolution {
2bf22305 Andy McCall ↶ 658 
            head.push(ui::warn("resolution"));
fce44ae9 Andy McCall ↶ 659 
        }
2bf22305 Andy McCall ↶ 660 
        if !e.is_working_copy {
661 
            head.push(ui::hash(format!("#{}", e.hash.short(8))));
662 
            head.push(signature_mark(&repo, &e.hash, Some(c))?);
663 
        }
664 
        println!("{}{}", node_line(row, &bullet), head.join(" "));
94084087 Andy McCall ↶ 665 
        let subject = if e.is_working_copy && c.message.is_empty() {
33472ccc Andy McCall ↶ 666 
            let edited = repo
667 
                .store()
668 
                .get_change(&e.hash)
669 
                .is_ok_and(|w| !w.tree_ops.is_empty() || !w.edits.is_empty());
670 
            ui::dim(if edited {
2bf22305 Andy McCall ↶ 671 
                "(working copy, uncommitted changes)"
33472ccc Andy McCall ↶ 672 
            } else {
673 
                "(working copy)"
75167672 Andy McCall 674 
            })
2bf22305 Andy McCall ↶ 675 
        } else if c.message.trim().is_empty() {
676 
            ui::dim("(no description)")
94084087 Andy McCall ↶ 677 
        } else {
2bf22305 Andy McCall ↶ 678 
            subject_of(&c.message).to_string()
94084087 Andy McCall ↶ 679 
        };
2bf22305 Andy McCall ↶ 680 
        println!("{}{subject}", below_line(row));
94084087 Andy McCall ↶ 681 
        if verbose {
2bf22305 Andy McCall ↶ 682 
            let rail = continuation(row);
94084087 Andy McCall ↶ 683 
            if !e.is_working_copy {
75167672 Andy McCall 684 
                println!(
2bf22305 Andy McCall ↶ 685 
                    "{rail}{}",
75167672 Andy McCall 686 
                    ui::dim(format!(
687 
                        "{} {}",
688 
                        when(c.hlc.wall_ms),
689 
                        signature_line(&repo, &e.hash)?
690 
                    ))
691 
                );
94084087 Andy McCall ↶ 692 
            }
693 
            if !c.deps.is_empty() {
75167672 Andy McCall 694 
                println!(
2bf22305 Andy McCall ↶ 695 
                    "{rail}{} {}",
75167672 Andy McCall 696 
                    ui::dim(ui::glyph("↳", "->")),
697 
                    ui::dim(deps_of(&c.deps))
698 
                );
94084087 Andy McCall ↶ 699 
            }
75167672 Andy McCall 700 
            let body: Vec<&str> = c
701 
                .message
702 
                .lines()
703 
                .skip(1)
704 
                .skip_while(|l| l.trim().is_empty())
705 
                .collect();
2bf22305 Andy McCall ↶ 706 
            for line in body {
707 
                println!("{rail}  {line}");
94084087 Andy McCall ↶ 708 
            }
fce44ae9 Andy McCall ↶ 709 
        }
710 
    }
94084087 Andy McCall ↶ 711 
    if shown < total {
2bf22305 Andy McCall ↶ 712 
        if let Some(last) = rows.get(shown.saturating_sub(1)) {
713 
            let cut: String = last
714 
                .below
715 
                .iter()
716 
                .map(|c| match c {
717 
                    Cell::Blank | Cell::Elided | Cell::JoinRight => "  ",
718 
                    _ => "~ ",
719 
                })
720 
                .collect();
721 
            if cut.trim().is_empty() {
722 
                println!("{}", ui::dim("~"));
723 
            } else {
724 
                println!("{}", ui::dim(cut.trim_end()));
725 
            }
726 
        }
75167672 Andy McCall 727 
        println!(
728 
            "{}",
729 
            ui::dim(format!(
730 
                "{} {} more; pass -n to see them",
731 
                ui::glyph("…", "..."),
732 
                total - shown
733 
            ))
734 
        );
94084087 Andy McCall ↶ 735 
    }
fce44ae9 Andy McCall ↶ 736 
    Ok(0)
2bf22305 Andy McCall ↶ 737 
}
738
739 
/// Rows a drawn edge may span in `oxy log`; a longer one is elided (`~`).
740 
const MAX_EDGE: usize = 12;
741
742 
use oxy_core::hash::ChangeHash;
743 
use oxy_core::lanes::{Cell, GraphRow};
744
745 
/// A graph cell, two columns wide.
746 
fn cell(c: Cell) -> &'static str {
747 
    match c {
748 
        Cell::Blank => "  ",
749 
        Cell::Line => ui::glyph("│ ", "| "),
750 
        Cell::Elided => "~ ",
751 
        Cell::JoinLeft => ui::glyph("├─", "|-"),
752 
        Cell::JoinPass => ui::glyph("──", "--"),
753 
        Cell::JoinCross => ui::glyph("┼─", "+-"),
754 
        Cell::JoinRight => ui::glyph("╯ ", "' "),
755 
    }
756 
}
757
758 
/// The graph part of a change's own line, its bullet in its column.
759 
fn node_line(row: &GraphRow, bullet: &str) -> String {
760 
    let width = row
761 
        .passing
762 
        .iter()
763 
        .copied()
764 
        .max()
765 
        .unwrap_or(0)
766 
        .max(row.column)
767 
        + 1;
768 
    let mut out = String::new();
769 
    for c in 0..width {
770 
        if c == row.column {
771 
            out.push_str(bullet);
772 
            out.push(' ');
773 
        } else if row.passing.contains(&c) {
774 
            out.push_str(&ui::dim(cell(Cell::Line)));
775 
        } else {
776 
            out.push_str("  ");
777 
        }
778 
    }
779 
    out.push(' ');
780 
    out
781 
}
782
783 
/// The graph part of the line under a change: lanes carrying on, a join,
784 
/// or `~` for an elided edge.
785 
fn below_line(row: &GraphRow) -> String {
786 
    let g: String = row.below.iter().map(|c| cell(*c)).collect();
787 
    format!("{} ", ui::dim(g))
788 
}
789
790 
/// The graph part of any further line of a change (`-v`).
791 
fn continuation(row: &GraphRow) -> String {
792 
    let g: String = row
793 
        .below
794 
        .iter()
795 
        .map(|c| match c {
796 
            Cell::Line | Cell::JoinLeft | Cell::JoinCross => cell(Cell::Line),
797 
            _ => "  ",
798 
        })
799 
        .collect();
800 
    format!("{} ", ui::dim(g))
801 
}
802
803 
/// For each hex ID, the length of its shortest prefix no other ID shares.
804 
fn unique_prefixes(ids: impl Iterator<Item = String>) -> std::collections::HashMap<String, usize> {
805 
    let mut v: Vec<String> = ids.collect();
806 
    v.sort();
807 
    v.dedup();
808 
    let common = |a: &str, b: &str| a.bytes().zip(b.bytes()).take_while(|(x, y)| x == y).count();
809 
    let mut out = std::collections::HashMap::with_capacity(v.len());
810 
    for i in 0..v.len() {
811 
        let before = if i > 0 { common(&v[i - 1], &v[i]) } else { 0 };
812 
        let after = if i + 1 < v.len() {
813 
            common(&v[i], &v[i + 1])
814 
        } else {
815 
            0
816 
        };
817 
        out.insert(v[i].clone(), before.max(after) + 1);
818 
    }
819 
    out
820 
}
821
822 
/// Bookmark, remote bookmark and tag names to show beside the changes they
823 
/// point at. A name is shown on each head of its state; one with more than
824 
/// three heads names too much of the log to help, so it is left out (oxy
825 
/// bookmark list shows it). A remote bookmark at the same state as the
826 
/// local one of that name is not repeated.
827 
fn reference_labels(repo: &Repo) -> Result<std::collections::HashMap<ChangeHash, Vec<String>>> {
828 
    const MAX_HEADS: usize = 3;
829 
    let view = repo.view()?;
830 
    let mut out: std::collections::HashMap<ChangeHash, Vec<String>> = Default::default();
831 
    let mut add = |heads: Vec<ChangeHash>, label: String| {
832 
        if heads.len() <= MAX_HEADS {
833 
            for h in heads {
834 
                out.entry(h).or_default().push(label.clone());
835 
            }
836 
        }
837 
    };
838 
    for (name, st) in &view.bookmarks {
839 
        add(repo.store().get_state(st)?.heads, ui::bookmark(name));
840 
    }
841 
    for (remote, bookmarks) in &view.remotes {
842 
        for (name, st) in bookmarks {
843 
            if view.bookmarks.get(name) == Some(st) {
844 
                continue;
845 
            }
846 
            add(
847 
                repo.store().get_state(st)?.heads,
848 
                ui::dim(format!("{remote}/{name}")),
849 
            );
850 
        }
851 
    }
852 
    for t in repo.tags()? {
853 
        add(t.heads.clone(), ui::warn(&t.name));
854 
    }
855 
    Ok(out)
fce44ae9 Andy McCall ↶ 856 
}
857
c6aa5bd9 Andy McCall ↶ 858 
pub fn diff(change: Option<&str>, as_json: bool) -> Result<i32> {
859 
    let repo = open()?;
860 
    let hash = change.map(|c| repo.resolve_change(c)).transpose()?;
861 
    if as_json {
862 
        let files = repo.diff_files(hash.as_ref())?;
863 
        let items = files.iter().map(|f| {
864 
            json::obj([
865 
                ("path", json::s(&f.path)),
866 
                ("kind", json::s(&f.kind)),
867 
                ("from", json::opt(f.from.as_deref(), json::s)),
868 
                (
869 
                    "hunks",
870 
                    json::arr(f.hunks.iter().map(|h| {
871 
                        json::obj([
872 
                            ("base_line", json::n(h.base_line)),
75167672 Andy McCall 873 
                            (
874 
                                "added",
875 
                                json::arr(
876 
                                    h.added.iter().map(|l| json::s(&String::from_utf8_lossy(l))),
877 
                                ),
878 
                            ),
879 
                            (
880 
                                "removed",
881 
                                json::arr(h.removed.iter().map(|(n, l)| {
882 
                                    json::obj([
883 
                                        ("line", json::n(*n)),
884 
                                        ("text", json::s(&String::from_utf8_lossy(l))),
885 
                                    ])
886 
                                })),
887 
                            ),
c6aa5bd9 Andy McCall ↶ 888 
                        ])
889 
                    })),
890 
                ),
891 
            ])
892 
        });
75167672 Andy McCall 893 
        println!(
894 
            "{}",
895 
            json::obj([
896 
                ("change", json::opt(hash, |h| json::s(&h.to_hex()))),
897 
                ("files", json::arr(items))
898 
            ])
899 
        );
c6aa5bd9 Andy McCall ↶ 900 
        return Ok(0);
901 
    }
902 
    match hash {
903 
        Some(h) => {
904 
            let c = repo.store().get_change(&h)?;
8ab265dc Andy McCall ↶ 905 
            let (base, snapshot) = repo.change_base(&c)?;
c6aa5bd9 Andy McCall ↶ 906 
            print!("{}", render_change(&c, &base, &snapshot));
907 
        }
908 
        None => {
77445673 Andy McCall ↶ 909 
            let (wc, base, snapshot) = repo.working_copy_with_base()?;
10b4fd43 Andy McCall ↶ 910 
            let text = {
911 
                let _t = oxy_core::timing::phase("diff: render the change");
912 
                render_change(&wc, &base, &snapshot)
913 
            };
914 
            print!("{text}");
915 
            // The process ends here: freeing the base's tree and graphs
916 
            // one by one would only cost time (about 27 ms on Linux).
917 
            std::mem::forget((wc, base, snapshot));
c6aa5bd9 Andy McCall ↶ 918 
        }
919 
    }
920 
    Ok(0)
921 
}
922
923 
pub fn cat(path: &str, change: Option<&str>) -> Result<i32> {
924 
    let repo = open()?;
925 
    let heads = change.map(|c| repo.resolve_heads(c)).transpose()?;
926 
    let bytes = repo.file_at(path, heads.as_deref())?;
927 
    use std::io::Write as _;
928 
    std::io::stdout().write_all(&bytes)?;
929 
    Ok(0)
930 
}
931
932 
pub fn root(as_json: bool) -> Result<i32> {
933 
    let Ok(repo) = Repo::open(&std::env::current_dir()?) else {
934 
        if as_json {
935 
            println!("null");
936 
        }
937 
        return Ok(1);
938 
    };
939 
    if as_json {
75167672 Andy McCall 940 
        println!(
941 
            "{}",
942 
            json::obj([
943 
                ("root", json::s(&repo.root().to_string_lossy())),
944 
                ("workspace", json::s(&repo.workspace().to_hex())),
945 
                ("bookmark", json::s(&repo.config.bookmark))
946 
            ])
947 
        );
c6aa5bd9 Andy McCall ↶ 948 
    } else {
949 
        println!("{}", repo.root().display());
950 
    }
951 
    Ok(0)
952 
}
953
954 
pub fn version(as_json: bool) -> Result<i32> {
955 
    if as_json {
75167672 Andy McCall 956 
        println!(
957 
            "{}",
958 
            json::obj([
959 
                ("version", json::s(env!("CARGO_PKG_VERSION"))),
e293c90d Andy McCall ↶ 960 
                // What was built: a release's or install's `oxy describe`,
961 
                // a Flow build's heads, or "local build".
962 
                ("build", json::s(env!("OXY_BUILD_ID"))),
75167672 Andy McCall 963 
                ("protocol", json::n(oxy_core::protocol::PROTOCOL_VERSION)),
964 
                ("format", json::n(2))
965 
            ])
966 
        );
c6aa5bd9 Andy McCall ↶ 967 
    } else {
75167672 Andy McCall 968 
        println!(
969 
            "oxy {} (repository format 2, protocol {})",
e293c90d Andy McCall ↶ 970 
            env!("OXY_VERSION_LONG"),
75167672 Andy McCall 971 
            oxy_core::protocol::PROTOCOL_VERSION
972 
        );
c6aa5bd9 Andy McCall ↶ 973 
    }
974 
    Ok(0)
975 
}
976
977 
pub fn discard(paths: &[String], hunks: &[usize]) -> Result<i32> {
978 
    let repo = open()?;
979 
    if paths.is_empty() && hunks.is_empty() {
980 
        anyhow::bail!("name paths to restore, or --hunks to undo chosen hunks");
981 
    }
982 
    let mut n = 0;
983 
    if !hunks.is_empty() {
984 
        n += repo.discard_hunks(hunks)?;
985 
    }
986 
    if !paths.is_empty() {
987 
        n += repo.discard(paths)?;
988 
    }
75167672 Andy McCall 989 
    println!(
990 
        "{} {} restored to the working copy's base",
991 
        ui::done("Discarded"),
992 
        plural(n, "path")
993 
    );
c6aa5bd9 Andy McCall ↶ 994 
    Ok(0)
995 
}
996
997 
pub fn hunks(as_json: bool) -> Result<i32> {
fce44ae9 Andy McCall ↶ 998 
    let repo = open()?;
c6aa5bd9 Andy McCall ↶ 999 
    let (_, hunks) = repo.hunks()?;
1000 
    if as_json {
75167672 Andy McCall 1001 
        println!(
1002 
            "{}",
1003 
            json::arr(hunks.iter().map(|h| json::obj([
1004 
                ("index", json::n(h.index)),
1005 
                ("path", json::s(&h.path)),
1006 
                ("text", json::s(&h.text))
1007 
            ])))
1008 
        );
c6aa5bd9 Andy McCall ↶ 1009 
        return Ok(0);
1010 
    }
1011 
    if hunks.is_empty() {
75167672 Andy McCall 1012 
        println!(
1013 
            "{}",
1014 
            ui::dim("No hunks: the working copy matches its base.")
1015 
        );
c6aa5bd9 Andy McCall ↶ 1016 
    }
1017 
    for h in &hunks {
75167672 Andy McCall 1018 
        println!(
1019 
            "{} {}",
1020 
            ui::section(format!("hunk {}", h.index)),
1021 
            ui::path(&h.path)
1022 
        );
c6aa5bd9 Andy McCall ↶ 1023 
        for line in h.text.lines() {
75167672 Andy McCall 1024 
            let styled = if line.starts_with('+') {
1025 
                ui::ok(line)
1026 
            } else if line.starts_with('-') {
1027 
                ui::err(line)
1028 
            } else {
1029 
                ui::dim(line)
1030 
            };
c6aa5bd9 Andy McCall ↶ 1031 
            println!("  {styled}");
1032 
        }
1033 
    }
fce44ae9 Andy McCall ↶ 1034 
    Ok(0)
1035 
}
1036
c6aa5bd9 Andy McCall ↶ 1037 
pub fn show(change: &str, as_json: bool) -> Result<i32> {
fce44ae9 Andy McCall ↶ 1038 
    let repo = open()?;
cc7a0056 Andy McCall ↶ 1039 
    repo.snapshot_status("oxy show")?;
fce44ae9 Andy McCall ↶ 1040 
    let h = repo.resolve_change(change)?;
1041 
    let c = repo.store().get_change(&h)?;
c6aa5bd9 Andy McCall ↶ 1042 
    if as_json {
1043 
        let files = repo.diff_files(Some(&h))?;
1044 
        let heads = repo.bookmark_heads()?;
75167672 Andy McCall 1045 
        let entry = oxy_core::repo::LogEntry {
1046 
            hash: h,
1047 
            change: oxy_core::state::ChangeMeta::of(&c),
1048 
            is_working_copy: c.kind == oxy_core::objects::ChangeKind::WorkingCopy,
1049 
            is_head: heads.contains(&h),
1050 
        };
c6aa5bd9 Andy McCall ↶ 1051 
        let mut body = log_entry_json(&repo, &entry)?;
1052 
        body.pop();
75167672 Andy McCall 1053 
        body.push_str(&format!(
1054 
            ",{}:{}}}",
1055 
            json::s("files"),
1056 
            json::arr(files.iter().map(|f| json::obj([
1057 
                ("path", json::s(&f.path)),
1058 
                ("kind", json::s(&f.kind)),
1059 
                ("from", json::opt(f.from.as_deref(), json::s))
1060 
            ])))
1061 
        ));
c6aa5bd9 Andy McCall ↶ 1062 
        println!("{body}");
1063 
        return Ok(0);
1064 
    }
75167672 Andy McCall 1065 
    println!(
1066 
        "{} {} {}",
1067 
        ui::section("change"),
1068 
        ui::id(short_id(&c)),
1069 
        ui::hash(format!("#{h}"))
1070 
    );
94084087 Andy McCall ↶ 1071 
    println!("{}", ui::kv("kind", format!("{:?}", c.kind).to_lowercase()));
b35df36b Andy McCall ↶ 1072 
    // Fetched but not pulled (oxygen#56): say where it is.
1073 
    if let Some(at) = repo.remote_only_location(&h)? {
1074 
        println!(
1075 
            "{}",
1076 
            ui::kv(
1077 
                "only in",
1078 
                ui::warn(format!(
1079 
                    "{at}: fetched, not yet in a local bookmark (oxy pull)"
1080 
                ))
1081 
            )
1082 
        );
1083 
    }
75167672 Andy McCall 1084 
    println!(
1085 
        "{}",
1086 
        ui::kv(
1087 
            "author",
1088 
            ui::author(author_name(&repo, &oxy_core::state::ChangeMeta::of(&c)))
1089 
        )
1090 
    );
1091 
    println!(
1092 
        "{}",
1093 
        ui::kv(
1094 
            "date",
1095 
            format!(
1096 
                "{} {}",
1097 
                when(c.hlc.wall_ms),
1098 
                ui::dim(format!("({})", ui::ago(c.hlc.wall_ms)))
1099 
            )
1100 
        )
1101 
    );
94084087 Andy McCall ↶ 1102 
    println!("{}", ui::kv("deps", ui::dim(deps_line(&c))));
1103 
    println!("{}", ui::kv("sig", signature_line(&repo, &h)?));
1104 
    println!();
75167672 Andy McCall 1105 
    for line in (if c.message.is_empty() {
1106 
        "(no description)"
1107 
    } else {
1108 
        &c.message
1109 
    })
1110 
    .lines()
1111 
    {
94084087 Andy McCall ↶ 1112 
        println!("    {line}");
1113 
    }
1114 
    println!();
fce44ae9 Andy McCall ↶ 1115 
    print!("{}", repo.describe_change(&h)?);
1116 
    Ok(0)
1117 
}
1118
1c2bd9ab Andy McCall ↶ 1119 
pub fn checkout(changes: &[String], discard: bool, carry: bool) -> Result<i32> {
fce44ae9 Andy McCall ↶ 1120 
    let repo = open()?;
1121 
    let heads = if changes.is_empty() {
1122 
        repo.bookmark_heads()?
1123 
    } else {
132b884b Andy McCall ↶ 1124 
        let mut heads = Vec::new();
1125 
        for c in changes {
1126 
            heads.extend(repo.resolve_heads(c)?);
1127 
        }
1128 
        heads
fce44ae9 Andy McCall ↶ 1129 
    };
75167672 Andy McCall 1130 
    let spec = if changes.is_empty() {
1131 
        repo.config.bookmark.clone()
1132 
    } else {
1133 
        changes.join(" ")
1134 
    };
135212de Andy McCall ↶ 1135 
    let sp = ui::spinner(&format!("Checking out {spec}…"));
1c2bd9ab Andy McCall ↶ 1136 
    let command = format!("oxy checkout {spec}");
1137 
    let (r, carried) = if carry {
1138 
        repo.checkout_carry(&heads, &spec, &command)?
1139 
    } else {
1140 
        (repo.checkout(&heads, discard, &command)?, vec![])
1141 
    };
75167672 Andy McCall 1142 
    sp.done(&format!(
1c2bd9ab Andy McCall ↶ 1143 
        "{} on {}: {} written, {} removed{}",
75167672 Andy McCall 1144 
        ui::done("Working copy"),
1145 
        ui::bookmark(&spec),
1146 
        plural(r.written, "file"),
1c2bd9ab Andy McCall ↶ 1147 
        r.removed,
1148 
        if carried.is_empty() {
1149 
            String::new()
1150 
        } else {
1151 
            format!("; carried {}", plural(carried.len(), "changed path"))
1152 
        }
75167672 Andy McCall 1153 
    ));
4dee277c Andy McCall ↶ 1154 
    for n in &r.notes {
1155 
        println!("  {} {n}", ui::note());
1156 
    }
fce44ae9 Andy McCall ↶ 1157 
    if r.conflicted {
75167672 Andy McCall 1158 
        println!(
1159 
            "  {} {}",
1160 
            ui::caution(),
1161 
            ui::warn("this state has conflicts; see oxy status")
1162 
        );
fce44ae9 Andy McCall ↶ 1163 
    }
98a1620a Andy McCall ↶ 1164 
    where_now(&repo);
fce44ae9 Andy McCall ↶ 1165 
    Ok(0)
1166 
}
1167
c6aa5bd9 Andy McCall ↶ 1168 
pub fn resolve(as_json: bool) -> Result<i32> {
fce44ae9 Andy McCall ↶ 1169 
    let repo = open()?;
1170 
    let snap = repo.snapshot("oxy resolve")?;
c6aa5bd9 Andy McCall ↶ 1171 
    if as_json {
1172 
        println!("{}", repo.status_json(&snap)?);
75167672 Andy McCall 1173 
        return Ok(if snap.base_snapshot.is_conflicted() {
1174 
            2
1175 
        } else {
1176 
            0
1177 
        });
c6aa5bd9 Andy McCall ↶ 1178 
    }
fce44ae9 Andy McCall ↶ 1179 
    if !snap.base_snapshot.is_conflicted() {
1180 
        println!("The working copy's base has no conflicts.");
1181 
        return Ok(0);
1182 
    }
1183 
    let mut remaining = 0;
1184 
    for (p, f) in &snap.base_snapshot.files {
1185 
        if !f.is_conflicted() {
1186 
            continue;
1187 
        }
75167672 Andy McCall 1188 
        match snap
1189 
            .statuses
1190 
            .iter()
1191 
            .find(|s| s.path == *p)
1192 
            .map(|s| s.status)
1193 
        {
fce44ae9 Andy McCall ↶ 1194 
            Some(ChangeStatus::Resolved) => println!("resolved   {p}"),
1195 
            Some(ChangeStatus::ConflictEdited) => {
1196 
                remaining += 1;
1197 
                println!("markers    {p}");
1198 
            }
1199 
            _ => {
1200 
                remaining += 1;
1201 
                println!("unresolved {p}");
1202 
            }
1203 
        }
1204 
    }
1205 
    for c in &snap.base_snapshot.tree.conflicts {
1206 
        remaining += 1;
1207 
        println!("tree       {c:?}");
1208 
    }
1209 
    if remaining == 0 {
1210 
        println!("All conflicts are resolved; `oxy commit` will record the resolution.");
1211 
        Ok(0)
1212 
    } else {
1213 
        Ok(2)
1214 
    }
1215 
}
1216
1217 
pub fn undo() -> Result<i32> {
1218 
    let repo = open()?;
1219 
    let op = repo.undo()?;
94084087 Andy McCall ↶ 1220 
    println!("{} now at: {}", ui::done("Undone;"), ui::dim(&op.command));
98a1620a Andy McCall ↶ 1221 
    where_now(&repo);
fce44ae9 Andy McCall ↶ 1222 
    Ok(0)
1223 
}
1224
98a1620a Andy McCall ↶ 1225 
pub fn op_log(limit: Option<usize>, as_json: bool) -> Result<i32> {
fce44ae9 Andy McCall ↶ 1226 
    let repo = open()?;
98a1620a Andy McCall ↶ 1227 
    let ops = repo.op_log()?;
1228 
    // What each operation changed, against the one before it.
1229 
    let changes_of = |i: usize| -> Result<Vec<oxy_core::repo::ViewChange>> {
1230 
        match ops.get(i + 1) {
1231 
            Some((_, before)) => Ok(repo.view_changes(&before.view, &ops[i].1.view)?),
1232 
            None => Ok(vec![]),
1233 
        }
1234 
    };
c6aa5bd9 Andy McCall ↶ 1235 
    if as_json {
98a1620a Andy McCall ↶ 1236 
        let mut items = Vec::new();
1237 
        for (i, (r, op)) in ops.iter().enumerate().take(limit.unwrap_or(usize::MAX)) {
1238 
            let summary: Vec<String> = changes_of(i)?
1239 
                .iter()
1240 
                .map(|c| change_words(&repo, c))
1241 
                .collect();
1242 
            items.push(json::obj([
1243 
                ("id", json::s(&r.to_hex())),
1244 
                ("when_ms", json::n(op.hlc.wall_ms)),
1245 
                ("command", json::s(&op.command)),
1246 
                ("snapshot", json::b(op.is_snapshot())),
1247 
                ("current", json::b(i == 0)),
1248 
                ("changes", json::arr(summary.iter().map(|x| json::s(x)))),
1249 
            ]));
1250 
        }
1251 
        println!("{}", json::arr(items));
c6aa5bd9 Andy McCall ↶ 1252 
        return Ok(0);
1253 
    }
98a1620a Andy McCall ↶ 1254 
    let id_prefix = unique_prefixes(ops.iter().map(|(r, _)| r.to_hex()));
1255 
    let id = |r: &oxy_core::hash::ObjectRef| {
1256 
        let hex = r.to_hex();
1257 
        let n = id_prefix.get(&hex).copied().unwrap_or(12).min(12);
1258 
        format!("{}{}", ui::id(&hex[..n]), ui::dim(&hex[n..12]))
1259 
    };
1260 
    let rail = ui::dim(ui::glyph("│", "|"));
1261 
    let (mut i, mut shown) = (0, 0);
1262 
    while i < ops.len() && shown < limit.unwrap_or(usize::MAX) {
1263 
        let (r, op) = &ops[i];
75167672 Andy McCall 1264 
        let bullet = if i == 0 {
98a1620a Andy McCall ↶ 1265 
            ui::ok(ui::glyph("@", "@"))
75167672 Andy McCall 1266 
        } else {
1267 
            ui::dim(ui::glyph("○", "o"))
1268 
        };
98a1620a Andy McCall ↶ 1269 
        // A run of snapshots folds into one entry.
1270 
        let mut run = 1;
1271 
        while op.is_snapshot() && i + run < ops.len() && ops[i + run].1.is_snapshot() {
1272 
            run += 1;
1273 
        }
1274 
        let when = ui::dim(ui::ago(op.hlc.wall_ms));
1275 
        if op.is_snapshot() {
1276 
            let span = if run > 1 {
1277 
                format!("{} {}", ui::dim("…"), id(&ops[i + run - 1].0))
1278 
            } else {
1279 
                String::new()
1280 
            };
1281 
            println!(
1282 
                "{bullet}  {}{} {when}",
1283 
                id(r),
1284 
                if span.is_empty() {
1285 
                    String::new()
1286 
                } else {
1287 
                    format!(" {span}")
1288 
                }
1289 
            );
1290 
            println!(
1291 
                "{rail}  {}",
1292 
                ui::dim(if run == 1 {
1293 
                    "working-copy snapshot".to_string()
1294 
                } else {
1295 
                    format!("{run} working-copy snapshots")
1296 
                })
1297 
            );
1298 
        } else {
1299 
            println!("{bullet}  {} {when}", id(r));
1300 
            let words: Vec<String> = changes_of(i)?
1301 
                .iter()
1302 
                .map(|c| change_words(&repo, c))
1303 
                .collect();
1304 
            let summary = if words.is_empty() {
1305 
                if i + 1 == ops.len() {
1306 
                    "created the repository".to_string()
1307 
                } else {
1308 
                    "no bookmark or working-copy change".to_string()
1309 
                }
1310 
            } else {
1311 
                words.join("; ")
1312 
            };
1313 
            println!(
1314 
                "{rail}  {}",
1315 
                if i == 0 {
1316 
                    ui::subject(&summary)
1317 
                } else {
1318 
                    summary
1319 
                }
1320 
            );
1321 
            let cmd = op.command.lines().next().unwrap_or("");
1322 
            let cmd: String = cmd.chars().take(100).collect();
1323 
            println!("{rail}  {}", ui::dim(cmd));
1324 
        }
1325 
        i += run;
1326 
        shown += 1;
1327 
    }
1328 
    if i < ops.len() {
75167672 Andy McCall 1329 
        println!(
98a1620a Andy McCall ↶ 1330 
            "{}",
1331 
            ui::dim(format!(
1332 
                "{} {} older; pass -n to see more",
1333 
                ui::glyph("…", "..."),
1334 
                plural(ops.len() - i, "operation")
1335 
            ))
1336 
        );
1337 
    }
1338 
    Ok(0)
1339 
}
1340
1341 
/// One change an operation made, in words.
1342 
fn change_words(repo: &Repo, c: &oxy_core::repo::ViewChange) -> String {
1343 
    use oxy_core::repo::ViewChange::*;
1344 
    match c {
1345 
        BookmarkCreated { name, heads } => {
1346 
            format!("created bookmark {name} ({})", plural(*heads, "head"))
1347 
        }
1348 
        BookmarkDeleted { name } => format!("deleted bookmark {name}"),
1349 
        BookmarkMoved { name, from, to } if from == to => format!("moved {name}"),
1350 
        BookmarkMoved { name, from, to } => format!(
1351 
            "{name}: {from} {} {}",
1352 
            ui::glyph("→", "->"),
1353 
            plural(*to, "head")
1354 
        ),
1355 
        RemoteMoved { remote, name } => format!("{remote}/{name} updated"),
1356 
        TagCreated { name } => format!("tagged {name}"),
1357 
        TagDeleted { name } => format!("removed tag {name}"),
1358 
        Policy => "trust policy changed".to_string(),
1359 
        WorkingCopy { change } => match repo.store().get_change_meta(change) {
1360 
            Ok(m) => format!("working copy now {}", m.change_id.short(8)),
1361 
            Err(_) => "working copy moved".to_string(),
1362 
        },
1363 
    }
1364 
}
1365
1366 
pub fn op_restore(op: &str, discard: bool) -> Result<i32> {
1367 
    let repo = open()?;
1368 
    let sp = ui::spinner(&format!("Restoring to operation {op}…"));
1369 
    let r = repo.op_restore(op, discard)?;
1370 
    sp.done(&format!(
1371 
        "{} to operation {} {}",
1372 
        ui::done("Restored"),
1373 
        ui::hash(r.op.short(12)),
1374 
        ui::dim(r.command.lines().next().unwrap_or(""))
1375 
    ));
1376 
    println!(
1377 
        "  {} {}",
1378 
        ui::note(),
1379 
        ui::dim(format!(
1380 
            "{} written, {} removed; oxy undo goes back again",
1381 
            plural(r.checkout.written, "file"),
1382 
            r.checkout.removed
1383 
        ))
1384 
    );
1385 
    where_now(&repo);
1386 
    Ok(0)
1387 
}
1388
1389 
pub fn op_revert(op: &str) -> Result<i32> {
1390 
    let repo = open()?;
1391 
    let r = repo.op_revert(op)?;
1392 
    let view = repo.view()?;
1393 
    let names: Vec<String> = r
1394 
        .reverted
1395 
        .iter()
1396 
        .map(|n| {
1397 
            if view.bookmarks.contains_key(n) {
1398 
                ui::bookmark(n)
75167672 Andy McCall 1399 
            } else {
98a1620a Andy McCall ↶ 1400 
                format!("{} (removed)", ui::bookmark(n))
75167672 Andy McCall 1401 
            }
98a1620a Andy McCall ↶ 1402 
        })
1403 
        .collect();
1404 
    println!(
1405 
        "{} operation {} {}",
1406 
        ui::done("Reverted"),
1407 
        ui::hash(r.op.short(12)),
1408 
        ui::dim(r.command.lines().next().unwrap_or(""))
1409 
    );
1410 
    println!(
1411 
        "  {} {}",
1412 
        ui::note(),
1413 
        ui::dim(format!("as before it: {}", names.join(", ")))
1414 
    );
1415 
    if !r.kept.is_empty() {
1416 
        println!(
1417 
            "  {} {}",
1418 
            ui::caution(),
1419 
            ui::warn(format!(
1420 
                "left as they are, having moved again since: {}",
1421 
                r.kept.join(", ")
1422 
            ))
75167672 Andy McCall 1423 
        );
fce44ae9 Andy McCall ↶ 1424 
    }
98a1620a Andy McCall ↶ 1425 
    if !r.checked_out && r.reverted.contains(&repo.config.bookmark) {
1426 
        println!(
1427 
            "  {} {}",
1428 
            ui::note(),
1429 
            ui::dim("the working copy has work of its own: oxy checkout to move it")
1430 
        );
1431 
    }
1432 
    where_now(&repo);
fce44ae9 Andy McCall ↶ 1433 
    Ok(0)
98a1620a Andy McCall ↶ 1434 
}
1435
1436 
/// Where the working copy and bookmark are now, after a command moved
1437 
/// them (as jj says "Working copy now at").
1438 
pub fn where_now(repo: &Repo) {
1439 
    let Ok((_, wc)) = repo.working_copy() else {
1440 
        return;
1441 
    };
1442 
    let heads = repo.bookmark_heads().unwrap_or_default();
1443 
    let newest = heads
1444 
        .iter()
1445 
        .filter_map(|h| repo.store().get_change_meta(h).ok().map(|m| (m, *h)))
1446 
        .max_by_key(|(m, _)| m.hlc);
1447 
    println!(
1448 
        "  {} {}",
1449 
        ui::dim(format!("{:<13}", "Working copy")),
1450 
        ui::id(wc.change_id.short(8))
1451 
    );
1452 
    let tail = match newest {
1453 
        Some((m, _)) => format!(
1454 
            ", newest {} {}",
1455 
            ui::id(m.change_id.short(8)),
1456 
            subject_of(&m.message)
1457 
        ),
1458 
        None => String::new(),
1459 
    };
1460 
    println!(
1461 
        "  {} {}: {}{tail}",
1462 
        ui::dim(format!("{:<13}", "Bookmark")),
1463 
        ui::bookmark(&repo.config.bookmark),
1464 
        plural(heads.len(), "head")
1465 
    );
fce44ae9 Andy McCall ↶ 1466 
}
d02e545d Andy McCall ↶ 1467
ba160f60 Andy McCall ↶ 1468 
pub fn gc(now: bool) -> Result<i32> {
d02e545d Andy McCall ↶ 1469 
    let repo = open()?;
135212de Andy McCall ↶ 1470 
    let sp = ui::spinner("Packing and pruning…");
ba160f60 Andy McCall ↶ 1471 
    let r = repo.gc(now)?;
135212de Andy McCall ↶ 1472 
    sp.clear();
ba160f60 Andy McCall ↶ 1473 
    if r.packed.objects > 0 {
d02e545d Andy McCall ↶ 1474 
        println!(
da652d63 Andy McCall ↶ 1475 
            "Packed {} into one pack: {} bytes -> {} bytes ({:.0}%).",
1476 
            plural(r.packed.objects, "object"),
ba160f60 Andy McCall ↶ 1477 
            r.packed.raw_bytes,
1478 
            r.packed.packed_bytes,
1479 
            100.0 * r.packed.packed_bytes as f64 / r.packed.raw_bytes.max(1) as f64
d02e545d Andy McCall ↶ 1480 
        );
1481 
    }
75167672 Andy McCall 1482 
    println!(
1483 
        "{} reachable; pruned {} ({} bytes){}{}; {} present.",
ba160f60 Andy McCall ↶ 1484 
        plural(r.reachable, "object"),
1485 
        plural(r.pruned.objects, "unreachable object"),
1486 
        r.pruned.bytes,
75167672 Andy McCall 1487 
        if r.pruned.deferred > 0 {
1488 
            format!(
1489 
                "; {} deferred by the grace period (use --now)",
1490 
                plural(r.pruned.deferred, "object")
1491 
            )
1492 
        } else {
1493 
            String::new()
1494 
        },
1495 
        if r.merged_packs > 0 {
1496 
            format!("; merged {} into one", plural(r.merged_packs, "pack"))
1497 
        } else {
1498 
            String::new()
1499 
        },
ba160f60 Andy McCall ↶ 1500 
        plural(repo.store().pack_count(), "pack")
1501 
    );
d02e545d Andy McCall ↶ 1502 
    Ok(0)
1503 
}
614541c3 Andy McCall ↶ 1504
3e5772cc Andy McCall ↶ 1505 
/// `oxy doctor`: exit 1 when a check fails, 0 otherwise (warnings allowed).
1506 
pub fn doctor(offline: bool, as_json: bool) -> Result<i32> {
1507 
    use oxy_core::repo::Health;
1508 
    let repo = open()?;
1509 
    let sp = ui::spinner(if offline {
1510 
        "Checking…"
1511 
    } else {
1512 
        "Checking, and contacting remotes…"
1513 
    });
1514 
    let r = repo.doctor(!offline);
1515 
    sp.clear();
1516 
    let code = if r.worst() == Health::Fail { 1 } else { 0 };
1517 
    let word = |h: Health| match h {
1518 
        Health::Ok => "ok",
1519 
        Health::Warn => "warning",
1520 
        Health::Fail => "fail",
1521 
    };
1522 
    if as_json {
1523 
        let checks: Vec<String> = r
1524 
            .checks
1525 
            .iter()
1526 
            .map(|c| {
1527 
                json::obj([
1528 
                    ("area", json::s(&c.area)),
1529 
                    ("health", json::s(word(c.health))),
1530 
                    ("message", json::s(&c.message)),
1531 
                    ("hint", json::opt(c.hint.as_deref(), json::s)),
1532 
                ])
1533 
            })
1534 
            .collect();
1535 
        println!(
1536 
            "{}",
1537 
            json::obj([("ok", json::b(code == 0)), ("checks", json::arr(checks))])
1538 
        );
1539 
        return Ok(code);
1540 
    }
1541 
    let mut last = "";
1542 
    for c in &r.checks {
1543 
        if c.area != last {
1544 
            println!("{}", ui::section(&c.area));
1545 
            last = &c.area;
1546 
        }
1547 
        let mark = match c.health {
1548 
            Health::Ok => ui::ok(ui::glyph("✔", "v")),
1549 
            Health::Warn => ui::caution(),
1550 
            Health::Fail => ui::err(ui::glyph("✖", "x")),
1551 
        };
1552 
        println!("  {mark} {}", c.message);
1553 
        if let Some(h) = &c.hint {
1554 
            println!("    {} {}", ui::dim("→"), ui::dim(h));
1555 
        }
1556 
    }
1557 
    let fails = r.checks.iter().filter(|c| c.health == Health::Fail).count();
1558 
    let warns = r.checks.iter().filter(|c| c.health == Health::Warn).count();
1559 
    if fails + warns == 0 {
1560 
        println!("{}", ui::done("Everything looks right."));
1561 
    } else {
1562 
        println!(
1563 
            "{} {}, {}.",
1564 
            if fails > 0 {
1565 
                ui::err(ui::glyph("✖", "x"))
1566 
            } else {
1567 
                ui::caution()
1568 
            },
1569 
            plural(fails, "problem"),
1570 
            plural(warns, "warning")
1571 
        );
1572 
    }
1573 
    Ok(code)
1574 
}
1575
387335ff Andy McCall ↶ 1576 
/// `oxy fsck`: exit 0 when sound (warnings allowed), 1 on any error.
1577 
pub fn fsck(as_json: bool) -> Result<i32> {
1578 
    use oxy_core::repo::Severity;
1579 
    let repo = open()?;
1580 
    let sp = ui::spinner("Checking every object…");
1581 
    let r = repo.fsck()?;
1582 
    sp.clear();
1583 
    let code = if r.errors() > 0 { 1 } else { 0 };
1584 
    if as_json {
1585 
        let problems: Vec<String> = r
1586 
            .problems
1587 
            .iter()
1588 
            .map(|p| {
1589 
                json::obj([
1590 
                    (
1591 
                        "severity",
1592 
                        json::s(match p.severity {
1593 
                            Severity::Error => "error",
1594 
                            Severity::Warning => "warning",
1595 
                        }),
1596 
                    ),
1597 
                    (
1598 
                        "object",
1599 
                        json::opt(p.object.map(|o| o.to_hex()).as_deref(), json::s),
1600 
                    ),
1601 
                    ("what", json::s(&p.what)),
1602 
                ])
1603 
            })
1604 
            .collect();
1605 
        println!(
1606 
            "{}",
1607 
            json::obj([
1608 
                ("ok", json::b(code == 0)),
1609 
                ("objects", json::n(r.objects)),
1610 
                ("ops", json::n(r.ops)),
1611 
                ("changes", json::n(r.changes)),
1612 
                ("signed", json::n(r.signed)),
1613 
                ("unsigned", json::n(r.unsigned)),
1614 
                ("checkpoints", json::n(r.checkpoints)),
1615 
                ("attestations", json::n(r.attestations)),
1616 
                ("errors", json::n(r.errors())),
1617 
                ("warnings", json::n(r.warnings())),
1618 
                ("problems", json::arr(problems)),
1619 
            ])
1620 
        );
1621 
        return Ok(code);
1622 
    }
1623 
    println!(
1624 
        "Checked {}, {}, {} ({} signed or sealed, {} unsigned), {}, {}.",
1625 
        plural(r.objects, "object"),
1626 
        plural(r.ops, "operation"),
1627 
        plural(r.changes, "change"),
1628 
        r.signed,
1629 
        r.unsigned,
1630 
        plural(r.checkpoints, "checkpoint"),
1631 
        plural(r.attestations, "attestation"),
1632 
    );
1633 
    for p in &r.problems {
1634 
        let obj = p
1635 
            .object
1636 
            .map(|o| format!("{} ", ui::hash(format!("#{}", o.short(12)))))
1637 
            .unwrap_or_default();
1638 
        match p.severity {
1639 
            Severity::Error => println!("{} {obj}{}", ui::err(ui::glyph("✖", "x")), p.what),
1640 
            Severity::Warning => println!("{} {obj}{}", ui::caution(), p.what),
1641 
        }
1642 
    }
1643 
    if r.problems.is_empty() {
1644 
        println!("{}", ui::done("No problems found."));
1645 
    } else if code == 0 {
1646 
        println!(
1647 
            "{}",
1648 
            ui::done(format!("Sound, with {}.", plural(r.warnings(), "warning")))
1649 
        );
1650 
    } else {
1651 
        println!(
1652 
            "{} {} and {}. Fetch missing objects from a remote with `oxy pull`, or clone afresh and compare.",
1653 
            ui::err(ui::glyph("✖", "x")),
1654 
            plural(r.errors(), "error"),
1655 
            plural(r.warnings(), "warning")
1656 
        );
1657 
    }
1658 
    Ok(code)
1659 
}
1660
79d03f82 Andy McCall ↶ 1661 
/// The head the working copy sits on, for commands that default to it. With
1662 
/// several heads beneath the working copy, the most recently made one is
1663 
/// chosen and announced.
614541c3 Andy McCall ↶ 1664 
fn current_head(repo: &Repo) -> Result<oxy_core::hash::ChangeHash> {
cc7a0056 Andy McCall ↶ 1665 
    let snap = repo.snapshot_status("oxy")?;
614541c3 Andy McCall ↶ 1666 
    let base = snap.base.maximal(&snap.wc.deps);
1667 
    match base.as_slice() {
79d03f82 Andy McCall ↶ 1668 
        [] => anyhow::bail!("the working copy sits on no change yet"),
614541c3 Andy McCall ↶ 1669 
        [h] => Ok(*h),
79d03f82 Andy McCall ↶ 1670 
        many => {
1671 
            let latest = many
1672 
                .iter()
1673 
                .max_by_key(|h| snap.base.get(h).map(|c| (c.hlc, **h)))
1674 
                .copied()
1675 
                .unwrap();
1676 
            let c = repo.store().get_change(&latest)?;
75167672 Andy McCall 1677 
            println!(
1678 
                "Defaulting to {} #{} (most recent of the {} heads under the working copy)",
1679 
                short_id(&c),
1680 
                latest.short(12),
1681 
                many.len()
1682 
            );
79d03f82 Andy McCall ↶ 1683 
            Ok(latest)
1684 
        }
614541c3 Andy McCall ↶ 1685 
    }
1686 
}
1687
6a81dbab Andy McCall ↶ 1688 
/// `oxy describe` without -m: the working copy's name for a build.
1689 
pub fn describe_name(as_json: bool) -> Result<i32> {
1690 
    let repo = open()?;
1691 
    let d = repo.describe_working_copy()?;
1692 
    if as_json {
1693 
        println!(
1694 
            "{}",
1695 
            json::obj([
1696 
                ("describe", json::s(&d.line())),
1697 
                ("tag", json::opt(d.tag.as_ref(), |t| json::s(t))),
1698 
                ("distance", json::n(d.distance)),
1699 
                ("bookmark", json::s(&d.bookmark)),
1700 
                ("change", json::s(&d.change.to_hex())),
1701 
                ("hash", json::s(&d.hash.to_hex())),
1702 
                ("dirty", json::b(d.dirty)),
1703 
            ])
1704 
        );
1705 
    } else {
1706 
        println!("{}", d.line());
1707 
    }
1708 
    Ok(0)
1709 
}
1710
614541c3 Andy McCall ↶ 1711 
pub fn describe(message: &str, change: Option<&str>) -> Result<i32> {
1712 
    let repo = open()?;
1713 
    let h = match change {
1714 
        Some(c) => repo.resolve_change(c)?,
1715 
        None => current_head(&repo)?,
1716 
    };
1717 
    let new = repo.describe(&h, message)?;
1718 
    let c = repo.store().get_change(&new)?;
75167672 Andy McCall 1719 
    println!(
1720 
        "{} {} {}  {}",
1721 
        ui::done("Described"),
1722 
        ui::id(short_id(&c)),
1723 
        ui::hash(format!("#{}", new.short(12))),
1724 
        ui::subject(subject_of(message))
1725 
    );
614541c3 Andy McCall ↶ 1726 
    Ok(0)
1727 
}
1728
23b217d7 Andy McCall ↶ 1729 
pub fn amend(message: Option<&str>, into: Option<&str>) -> Result<i32> {
614541c3 Andy McCall ↶ 1730 
    let repo = open()?;
23b217d7 Andy McCall ↶ 1731 
    let new = match into {
1732 
        Some(spec) => {
1733 
            let target = repo.resolve_change(spec)?;
1734 
            repo.amend_into(&target, message)?
1735 
        }
1736 
        None => repo.amend(message)?,
1737 
    };
614541c3 Andy McCall ↶ 1738 
    let c = repo.store().get_change(&new)?;
75167672 Andy McCall 1739 
    println!(
1740 
        "{} {} {}  {}",
1741 
        ui::done("Amended"),
1742 
        ui::id(short_id(&c)),
1743 
        ui::hash(format!("#{}", new.short(12))),
1744 
        ui::subject(subject_of(&c.message))
1745 
    );
98a1620a Andy McCall ↶ 1746 
    where_now(&repo);
614541c3 Andy McCall ↶ 1747 
    Ok(0)
1748 
}
1749
1750 
pub fn abandon(change: &str) -> Result<i32> {
1751 
    let repo = open()?;
1752 
    let h = repo.resolve_change(change)?;
1753 
    let c = repo.store().get_change(&h)?;
6706bdcf Andy McCall ↶ 1754 
    let notes = repo.abandon(&h)?;
75167672 Andy McCall 1755 
    println!(
1756 
        "{} {} {}  {}",
1757 
        ui::done("Abandoned"),
1758 
        ui::id(short_id(&c)),
1759 
        ui::hash(format!("#{}", h.short(12))),
1760 
        ui::dim("its content remains on disk as uncommitted work if the working copy sat on it")
1761 
    );
6706bdcf Andy McCall ↶ 1762 
    for n in notes {
94084087 Andy McCall ↶ 1763 
        println!("  {} {n}", ui::note());
6706bdcf Andy McCall ↶ 1764 
    }
98a1620a Andy McCall ↶ 1765 
    where_now(&repo);
614541c3 Andy McCall ↶ 1766 
    Ok(0)
1767 
}
252e8cb2 Andy McCall ↶ 1768
1769 
pub fn checkpoint() -> Result<i32> {
1770 
    let repo = open()?;
135212de Andy McCall ↶ 1771 
    let sp = ui::spinner("Writing checkpoint…");
252e8cb2 Andy McCall ↶ 1772 
    let (r, changes, bytes) = repo.checkpoint()?;
75167672 Andy McCall 1773 
    sp.done(&format!(
1774 
        "{} {} of {} ({} bytes) for {}",
1775 
        ui::done("Checkpoint"),
1776 
        ui::hash(format!("#{}", r.short(12))),
1777 
        plural(changes, "change"),
1778 
        bytes,
1779 
        ui::id(&repo.config.bookmark)
1780 
    ));
135212de Andy McCall ↶ 1781 
    Ok(0)
1782 
}
1783
1784 
/// For shell prompts: silent (exit 1) outside a repository, otherwise one line.
694805cc Andy McCall ↶ 1785 
pub fn prompt(format: &str, glyphs: bool, color: Option<&str>) -> Result<i32> {
75167672 Andy McCall 1786 
    let Ok(repo) = Repo::open(&std::env::current_dir()?) else {
1787 
        return Ok(1);
1788 
    };
135212de Andy McCall ↶ 1789 
    let info = repo.quick_status()?;
75167672 Andy McCall 1790 
    let fmt = if glyphs && format == oxy_core::repo::DEFAULT_PROMPT_FORMAT {
1791 
        oxy_core::repo::GLYPH_PROMPT_FORMAT
1792 
    } else {
1793 
        format
1794 
    };
694805cc Andy McCall ↶ 1795 
    let line = match color {
1796 
        Some("bash") => info.format_colored(fmt, ("\\[", "\\]")),
1797 
        Some("zsh") => info.format_colored(fmt, ("%{", "%}")),
1798 
        Some(_) => info.format_colored(fmt, ("", "")),
1799 
        None => info.format(fmt),
1800 
    };
1801 
    println!("{line}");
252e8cb2 Andy McCall ↶ 1802 
    Ok(0)
1803 
}
7421309f Andy McCall ↶ 1804
1805 
pub fn sparse(paths: &[String]) -> Result<i32> {
1806 
    let mut repo = open()?;
1807 
    if paths.is_empty() {
1808 
        if repo.config.sparse_paths.is_empty() {
1809 
            println!("No sparse filter: the whole tree is materialized.");
1810 
        } else {
1811 
            println!("{}", ui::heading("Sparse filter"));
1812 
            for p in &repo.config.sparse_paths {
1813 
                println!("  {}", ui::path(p));
1814 
            }
1815 
        }
1816 
        return Ok(0);
1817 
    }
1818 
    let snap = repo.snapshot("oxy sparse")?;
1819 
    if !snap.wc.tree_ops.is_empty() || !snap.wc.edits.is_empty() {
75167672 Andy McCall 1820 
        anyhow::bail!(
1821 
            "the working copy has changes; commit them before changing the sparse filter"
1822 
        );
7421309f Andy McCall ↶ 1823 
    }
1824 
    repo.config.set("filter.paths", &paths.join(","))?;
1825 
    repo.save_config()?;
1826 
    let heads = repo.bookmark_heads()?;
1827 
    let sp = ui::spinner("Re-checking out with the new filter…");
1828 
    let r = repo.checkout(&heads, true, "oxy sparse (checkout)")?;
75167672 Andy McCall 1829 
    sp.done(&format!(
1830 
        "{} {}: {} written, {} removed",
c07406bc Andy McCall ↶ 1831 
        ui::done("Sparse filter set to"),
75167672 Andy McCall 1832 
        ui::path(paths.join(",")),
1833 
        plural(r.written, "file"),
1834 
        r.removed
1835 
    ));
7421309f Andy McCall ↶ 1836 
    Ok(0)
1837 
}
132b884b Andy McCall ↶ 1838
1839 
pub fn tag_create(name: &str, changes: &[String], message: &str) -> Result<i32> {
1840 
    let repo = open()?;
cc7a0056 Andy McCall ↶ 1841 
    repo.snapshot_status("oxy tag")?;
132b884b Andy McCall ↶ 1842 
    let heads = if changes.is_empty() {
1843 
        repo.bookmark_heads()?
1844 
    } else {
1845 
        let mut heads = Vec::new();
1846 
        for c in changes {
1847 
            heads.extend(repo.resolve_heads(c)?);
1848 
        }
1849 
        heads
1850 
    };
1851 
    let t = repo.tag_create(name, &heads, message)?;
1852 
    println!(
94084087 Andy McCall ↶ 1853 
        "{} {} {} {} ({}){}",
1854 
        ui::done("Tagged"),
1855 
        ui::bookmark(&t.name),
1856 
        ui::dim(ui::glyph("→", "->")),
132b884b Andy McCall ↶ 1857 
        ui::hash(format!("#{}", t.state.short(12))),
1858 
        plural(t.heads.len(), "head"),
75167672 Andy McCall 1859 
        t.signer
1860 
            .map(|s| format!(", signed by {s}"))
1861 
            .unwrap_or_else(|| ui::dim(", unsigned"))
132b884b Andy McCall ↶ 1862 
    );
1863 
    Ok(0)
1864 
}
1865
1196b29b Andy McCall ↶ 1866 
pub fn tag_list(as_json: bool) -> Result<i32> {
132b884b Andy McCall ↶ 1867 
    let repo = open()?;
1868 
    let tags = repo.tags()?;
1196b29b Andy McCall ↶ 1869 
    if as_json {
1870 
        println!(
1871 
            "{}",
1872 
            json::arr(tags.iter().map(|t| {
1873 
                json::obj([
1874 
                    ("name", json::s(&t.name)),
1875 
                    ("state", json::s(&t.state.to_hex())),
1876 
                    ("heads", json::hashes(&t.heads)),
1877 
                    ("message", json::s(&t.message)),
75167672 Andy McCall 1878 
                    (
1879 
                        "signer",
1880 
                        json::opt(t.signer.as_ref(), |s| json::s(&s.to_string())),
1881 
                    ),
1196b29b Andy McCall ↶ 1882 
                ])
1883 
            }))
1884 
        );
1885 
        return Ok(0);
1886 
    }
132b884b Andy McCall ↶ 1887 
    if tags.is_empty() {
1888 
        println!("{}", ui::dim("No tags."));
1889 
    }
1890 
    for t in tags {
1891 
        println!(
94084087 Andy McCall ↶ 1892 
            "{} {} {}{}{}{}",
1893 
            ui::ok(ui::glyph("⚑", "#")),
1894 
            ui::bookmark(&t.name),
6a81dbab Andy McCall ↶ 1895 
            // The heads, as `oxy log` shows changes, not the state hash.
1896 
            ui::hash(
1897 
                t.heads
1898 
                    .iter()
1899 
                    .map(|h| format!("#{}", h.short(12)))
1900 
                    .collect::<Vec<_>>()
1901 
                    .join(" ")
1902 
            ),
94084087 Andy McCall ↶ 1903 
            ui::sep() + &ui::dim(plural(t.heads.len(), "head")),
75167672 Andy McCall 1904 
            if t.message.is_empty() {
1905 
                String::new()
1906 
            } else {
1907 
                format!("  {}", ui::subject(subject_of(&t.message)))
1908 
            },
1909 
            t.signer
1910 
                .map(|s| ui::sep() + &ui::ok(format!("{} {s}", ui::glyph("✔", "v"))))
1911 
                .unwrap_or_default()
132b884b Andy McCall ↶ 1912 
        );
1913 
    }
1914 
    Ok(0)
1915 
}
4e88e774 Andy McCall ↶ 1916
1917 
pub fn workspace_add(path: &std::path::Path, changes: &[String]) -> Result<i32> {
1918 
    let repo = open()?;
1919 
    let heads = if changes.is_empty() {
1920 
        None
1921 
    } else {
1922 
        let mut heads = Vec::new();
1923 
        for c in changes {
1924 
            heads.extend(repo.resolve_heads(c)?);
1925 
        }
1926 
        Some(heads)
1927 
    };
1928 
    let sp = ui::spinner(&format!("Creating workspace at {}…", path.display()));
1929 
    let ws = repo.workspace_add(path, heads.as_deref())?;
75167672 Andy McCall 1930 
    sp.done(&format!(
1931 
        "{} {} (workspace {})",
1932 
        ui::done("Workspace created at"),
1933 
        ui::path(ws.root().display()),
1934 
        ui::id(ws.workspace().short(8))
1935 
    ));
4e88e774 Andy McCall ↶ 1936 
    Ok(0)
1937 
}
1938
1196b29b Andy McCall ↶ 1939 
pub fn workspace_list(as_json: bool) -> Result<i32> {
4e88e774 Andy McCall ↶ 1940 
    let repo = open()?;
1196b29b Andy McCall ↶ 1941 
    if as_json {
1942 
        println!(
1943 
            "{}",
1944 
            json::arr(repo.workspaces()?.iter().map(|w| {
1945 
                json::obj([
1946 
                    ("id", json::s(&w.id.to_hex())),
1947 
                    ("path", json::s(&w.path.to_string_lossy())),
1948 
                    ("current", json::b(w.current)),
75167672 Andy McCall 1949 
                    (
1950 
                        "working_copy",
1951 
                        json::opt(w.working_copy, |h| json::s(&h.to_hex())),
1952 
                    ),
1196b29b Andy McCall ↶ 1953 
                ])
1954 
            }))
1955 
        );
1956 
        return Ok(0);
1957 
    }
4e88e774 Andy McCall ↶ 1958 
    for w in repo.workspaces()? {
1959 
        println!(
1960 
            "{} {} {}{}",
75167672 Andy McCall 1961 
            if w.current {
1962 
                ui::ok(ui::glyph("●", "*"))
1963 
            } else {
1964 
                ui::dim(ui::glyph("○", "o"))
1965 
            },
4e88e774 Andy McCall ↶ 1966 
            ui::id(w.id.short(8)),
1967 
            ui::path(w.path.display()),
75167672 Andy McCall 1968 
            w.working_copy
1969 
                .map(|h| ui::sep() + &ui::dim(format!("working copy #{}", h.short(12))))
1970 
                .unwrap_or_else(|| ui::sep() + &ui::warn("not in view"))
4e88e774 Andy McCall ↶ 1971 
        );
1972 
    }
1973 
    Ok(0)
1974 
}
1975
1976 
pub fn workspace_forget(spec: &str) -> Result<i32> {
1977 
    let repo = open()?;
1978 
    let all = repo.workspaces()?;
1979 
    let target = std::fs::canonicalize(spec).ok();
75167672 Andy McCall 1980 
    let matches: Vec<_> = all
1981 
        .iter()
1982 
        .filter(|w| w.id.starts_with_hex(spec) || target.as_ref().is_some_and(|t| *t == w.path))
1983 
        .collect();
4e88e774 Andy McCall ↶ 1984 
    let w = match matches.as_slice() {
1985 
        [w] => *w,
1986 
        [] => anyhow::bail!("no workspace matches {spec:?}"),
1987 
        _ => anyhow::bail!("{spec:?} is ambiguous"),
1988 
    };
1989 
    repo.workspace_forget(&w.id)?;
75167672 Andy McCall 1990 
    println!(
1991 
        "{} workspace {} at {}; its files were left in place.",
1992 
        ui::done("Forgot"),
1993 
        ui::id(w.id.short(8)),
1994 
        ui::path(w.path.display())
1995 
    );
4e88e774 Andy McCall ↶ 1996 
    Ok(0)
1997 
}
cdb5beba Andy McCall ↶ 1998
1999 
pub fn lock(path: &str) -> Result<i32> {
2000 
    let repo = open()?;
2001 
    repo.lock_path(path)?;
75167672 Andy McCall 2002 
    println!(
2003 
        "{} {} {}",
2004 
        ui::done("Locked"),
2005 
        ui::path(path),
2006 
        ui::dim("(advisory, local)")
2007 
    );
cdb5beba Andy McCall ↶ 2008 
    Ok(0)
2009 
}
2010
2011 
pub fn unlock(path: &str) -> Result<i32> {
2012 
    let repo = open()?;
2013 
    repo.unlock_path(path)?;
94084087 Andy McCall ↶ 2014 
    println!("{} {}", ui::done("Unlocked"), ui::path(path));
cdb5beba Andy McCall ↶ 2015 
    Ok(0)
2016 
}
23b217d7 Andy McCall ↶ 2017
2018 
pub fn split(change: &str, paths: &[String]) -> Result<i32> {
2019 
    let repo = open()?;
2020 
    let h = repo.resolve_change(change)?;
2021 
    let (h1, h2) = repo.split(&h, paths)?;
2022 
    let c1 = repo.store().get_change(&h1)?;
2023 
    let c2 = repo.store().get_change(&h2)?;
75167672 Andy McCall 2024 
    println!(
2025 
        "{} into {} {} and {} {}",
2026 
        ui::done("Split"),
2027 
        ui::id(short_id(&c1)),
2028 
        ui::hash(format!("#{}", h1.short(12))),
2029 
        ui::id(short_id(&c2)),
2030 
        ui::hash(format!("#{}", h2.short(12)))
2031 
    );
23b217d7 Andy McCall ↶ 2032 
    Ok(0)
2033 
}
7b9809e6 Andy McCall ↶ 2034
2035 
fn heads_from(repo: &Repo, changes: &[String]) -> Result<Vec<oxy_core::hash::ChangeHash>> {
2036 
    let mut heads = Vec::new();
2037 
    for c in changes {
2038 
        heads.extend(repo.resolve_heads(c)?);
2039 
    }
2040 
    Ok(heads)
2041 
}
2042
4fe7d604 Andy McCall ↶ 2043 
pub fn bookmark_create(name: &str, changes: &[String], upto: bool, only: bool) -> Result<i32> {
7b9809e6 Andy McCall ↶ 2044 
    let repo = open()?;
cc7a0056 Andy McCall ↶ 2045 
    repo.snapshot_status("oxy bookmark create")?;
75167672 Andy McCall 2046 
    let heads = if changes.is_empty() {
2047 
        None
2048 
    } else {
4fe7d604 Andy McCall ↶ 2049 
        let named = heads_from(&repo, changes)?;
2050 
        let (_, wc) = repo.working_copy()?;
2051 
        let gap = repo.state_gap(&wc.deps, &named)?;
2052 
        if upto {
2053 
            Some(gap.upto)
2054 
        } else if only || gap.earlier.is_empty() {
2055 
            Some(named)
2056 
        } else {
2057 
            anyhow::bail!(
2058 
                "{name} at {} would lack {} of the current state recorded before it:\n{}\n\
2059 
                 A state is its heads and what they depend on, not everything recorded before them.\n\
2060 
                 Pass --upto for everything of the current state up to {0} (as a Git branch would hold),\n\
2061 
                 or --only for just {0} and what it depends on.",
2062 
                changes.join(" "),
2063 
                plural(gap.earlier.len(), "change"),
2064 
                listed_changes(&repo, &gap.earlier)
2065 
            );
2066 
        }
75167672 Andy McCall 2067 
    };
7b9809e6 Andy McCall ↶ 2068 
    let heads = repo.bookmark_create(name, heads.as_deref())?;
75167672 Andy McCall 2069 
    println!(
2070 
        "{} bookmark {} {} {}",
2071 
        ui::done("Created"),
2072 
        ui::bookmark(name),
2073 
        ui::dim(ui::glyph("→", "->")),
2074 
        ui::dim(plural(heads.len(), "head"))
2075 
    );
2076 
    println!(
2077 
        "  {} {}",
2078 
        ui::note(),
2079 
        ui::dim(format!("switch to it with oxy bookmark switch {name}"))
2080 
    );
7b9809e6 Andy McCall ↶ 2081 
    Ok(0)
2082 
}
2083
4fe7d604 Andy McCall ↶ 2084 
/// Up to five changes, newest last, as `  #hash subject` lines.
2085 
fn listed_changes(repo: &Repo, changes: &[oxy_core::hash::ChangeHash]) -> String {
2086 
    let shown = changes.len().min(5);
2087 
    let mut lines: Vec<String> = changes[changes.len() - shown..]
2088 
        .iter()
2089 
        .map(|h| {
2090 
            let subject = repo
2091 
                .store()
2092 
                .get_change(h)
2093 
                .map(|c| subject_of(&c.message).to_string())
2094 
                .unwrap_or_default();
2095 
            format!("  #{} {subject}", h.short(12))
2096 
        })
2097 
        .collect();
2098 
    if changes.len() > shown {
2099 
        lines.insert(0, format!("  … and {} earlier", changes.len() - shown));
2100 
    }
2101 
    lines.join("\n")
2102 
}
2103
06d16dc2 Andy McCall ↶ 2104 
pub fn bookmark_set(name: &str, changes: &[String], upto: bool, only: bool) -> Result<i32> {
7b9809e6 Andy McCall ↶ 2105 
    let repo = open()?;
cc7a0056 Andy McCall ↶ 2106 
    repo.snapshot_status("oxy bookmark set")?;
06d16dc2 Andy McCall ↶ 2107 
    let named = heads_from(&repo, changes)?;
2108 
    // What the bookmark holds now and the new heads would leave out.
2109 
    let current = repo
2110 
        .bookmarks()?
2111 
        .into_iter()
2112 
        .find(|b| b.name == name)
2113 
        .map(|b| b.heads)
2114 
        .ok_or_else(|| anyhow::anyhow!("no bookmark {name}"))?;
2115 
    let gap = repo.state_gap(&current, &named)?;
2116 
    let heads = if upto {
2117 
        gap.upto
2118 
    } else if only || gap.earlier.is_empty() {
2119 
        named
2120 
    } else {
2121 
        anyhow::bail!(
2122 
            "{name} at {} would lose {} it holds now, recorded before it:\n{}\n\
2123 
             A state is its heads and what they depend on, not everything recorded before them.\n\
2124 
             Pass --upto to keep everything {name} holds up to {0} (as a Git branch would),\n\
2125 
             or --only for just {0} and what it depends on.",
2126 
            changes.join(" "),
2127 
            plural(gap.earlier.len(), "change"),
2128 
            listed_changes(&repo, &gap.earlier)
2129 
        );
2130 
    };
7b9809e6 Andy McCall ↶ 2131 
    let heads = repo.bookmark_set(name, &heads)?;
75167672 Andy McCall 2132 
    println!(
2133 
        "{} bookmark {} {} {}",
2134 
        ui::done("Moved"),
2135 
        ui::bookmark(name),
2136 
        ui::dim(ui::glyph("→", "->")),
2137 
        ui::dim(plural(heads.len(), "head"))
2138 
    );
7b9809e6 Andy McCall ↶ 2139 
    Ok(0)
2140 
}
2141
2142 
pub fn bookmark_delete(name: &str) -> Result<i32> {
2143 
    let repo = open()?;
2144 
    repo.bookmark_delete(name)?;
75167672 Andy McCall 2145 
    println!(
2146 
        "{} bookmark {} {}",
2147 
        ui::done("Deleted"),
2148 
        ui::bookmark(name),
2149 
        ui::dim("(its changes stay until unreachable)")
2150 
    );
7b9809e6 Andy McCall ↶ 2151 
    Ok(0)
2152 
}
2153
14edbaaf Andy McCall ↶ 2154 
pub fn bookmark_list(all: bool, as_json: bool) -> Result<i32> {
7b9809e6 Andy McCall ↶ 2155 
    let repo = open()?;
14edbaaf Andy McCall ↶ 2156 
    let remote_only = repo.remote_only_bookmarks()?;
c6aa5bd9 Andy McCall ↶ 2157 
    if as_json {
14edbaaf Andy McCall ↶ 2158 
        let mut items: Vec<String> = repo
2159 
            .bookmarks()?
2160 
            .into_iter()
2161 
            .map(|b| {
2162 
                json::obj([
2163 
                    ("name", json::s(&b.name)),
2164 
                    ("heads", json::hashes(&b.heads)),
2165 
                    ("current", json::b(b.current)),
2166 
                    ("ahead", json::opt(b.ahead, json::n)),
2167 
                    ("behind", json::opt(b.behind, json::n)),
2168 
                ])
2169 
            })
2170 
            .collect();
2171 
        if all {
2172 
            items.extend(remote_only.iter().map(|b| {
2173 
                json::obj([
2174 
                    ("name", json::s(&format!("{}/{}", b.remote, b.name))),
2175 
                    ("heads", json::hashes(&b.heads)),
2176 
                    ("current", json::b(false)),
2177 
                    ("ahead", "null".into()),
2178 
                    ("behind", "null".into()),
2179 
                    ("remote", json::s(&b.remote)),
2180 
                ])
2181 
            }));
2182 
        }
c6aa5bd9 Andy McCall ↶ 2183 
        println!("{}", json::arr(items));
2184 
        return Ok(0);
2185 
    }
7b9809e6 Andy McCall ↶ 2186 
    for b in repo.bookmarks()? {
75167672 Andy McCall 2187 
        let mark = if b.current {
2188 
            ui::ok(ui::glyph("●", "*"))
2189 
        } else {
2190 
            ui::dim(ui::glyph("○", "o"))
2191 
        };
7b9809e6 Andy McCall ↶ 2192 
        let mut tail = String::new();
2193 
        if let Some(n) = b.ahead.filter(|n| *n > 0) {
2194 
            tail += &ui::ok(format!(" {}{n}", ui::glyph("↑", "+")));
2195 
        }
2196 
        if let Some(n) = b.behind.filter(|n| *n > 0) {
2197 
            tail += &ui::warn(format!(" {}{n}", ui::glyph("↓", "-")));
2198 
        }
75167672 Andy McCall 2199 
        let head = b
2200 
            .heads
2201 
            .first()
2202 
            .map(|h| {
2203 
                repo.store()
2204 
                    .get_change(h)
2205 
                    .map(|c| ui::subject(subject_of(&c.message)))
2206 
                    .unwrap_or_default()
2207 
            })
2208 
            .unwrap_or_else(|| ui::dim("(empty)"));
2209 
        println!(
2210 
            "{mark} {}{}{}{tail}  {head}",
2211 
            ui::bookmark(&b.name),
14edbaaf Andy McCall ↶ 2212 
            ui::sep(),
2213 
            ui::dim(plural(b.heads.len(), "head"))
2214 
        );
2215 
    }
2216 
    if remote_only.is_empty() {
2217 
        return Ok(0);
2218 
    }
2219 
    if !all {
2220 
        println!(
2221 
            "{}",
2222 
            ui::dim(format!(
2223 
                "  and {} only on a remote: oxy bookmark list --all",
2224 
                plural(remote_only.len(), "bookmark")
2225 
            ))
2226 
        );
2227 
        return Ok(0);
2228 
    }
2229 
    for b in &remote_only {
2230 
        println!(
2231 
            "{} {}{}{}",
2232 
            ui::dim(ui::glyph("◌", ".")),
2233 
            ui::dim(format!("{}/{}", b.remote, b.name)),
75167672 Andy McCall 2234 
            ui::sep(),
2235 
            ui::dim(plural(b.heads.len(), "head"))
2236 
        );
7b9809e6 Andy McCall ↶ 2237 
    }
14edbaaf Andy McCall ↶ 2238 
    println!(
2239 
        "  {} {}",
2240 
        ui::note(),
2241 
        ui::dim("oxy bookmark switch NAME makes a local bookmark from a remote's")
2242 
    );
7b9809e6 Andy McCall ↶ 2243 
    Ok(0)
2244 
}
2245
61e3bce7 Andy McCall ↶ 2246 
pub fn bookmark_switch(name: &str, discard: bool, carry: bool) -> Result<i32> {
7b9809e6 Andy McCall ↶ 2247 
    let mut repo = open()?;
4fe7d604 Andy McCall ↶ 2248 
    let from = repo.config.bookmark.clone();
14edbaaf Andy McCall ↶ 2249 
    let (local, created_from) = repo.local_bookmark_for(name)?;
2250 
    if let Some(remote) = created_from {
2251 
        println!(
2252 
            "{} {} from {}",
2253 
            ui::done("Created"),
2254 
            ui::bookmark(&local),
2255 
            ui::dim(format!("{remote}/{local}"))
2256 
        );
2257 
    }
2258 
    let name = local.as_str();
7b9809e6 Andy McCall ↶ 2259 
    let sp = ui::spinner(&format!("Switching to {name}…"));
61e3bce7 Andy McCall ↶ 2260 
    let (r, carried) = if carry {
2261 
        repo.bookmark_switch_carry(name)?
2262 
    } else {
2263 
        (repo.bookmark_switch(name, discard)?, vec![])
2264 
    };
75167672 Andy McCall 2265 
    sp.done(&format!(
61e3bce7 Andy McCall ↶ 2266 
        "{} to {}: {} written, {} removed{}",
75167672 Andy McCall 2267 
        ui::done("Switched"),
2268 
        ui::bookmark(name),
2269 
        plural(r.written, "file"),
61e3bce7 Andy McCall ↶ 2270 
        r.removed,
2271 
        if carried.is_empty() {
2272 
            String::new()
2273 
        } else {
2274 
            format!("; carried {}", plural(carried.len(), "changed path"))
2275 
        }
75167672 Andy McCall 2276 
    ));
7b9809e6 Andy McCall ↶ 2277 
    if r.conflicted {
75167672 Andy McCall 2278 
        println!(
2279 
            "  {} {}",
2280 
            ui::caution(),
2281 
            ui::warn("this state has conflicts; see oxy status")
2282 
        );
4fe7d604 Andy McCall ↶ 2283 
    }
2284 
    // Say when the new state leaves out work the old one had: a state is
2285 
    // its heads and what they depend on, which can be far less than a Git
2286 
    // user expects.
d3cd7ef9 Andy McCall ↶ 2287 
    if r.lacks > 0 {
2288 
        println!(
2289 
            "  {} {}",
2290 
            ui::note(),
2291 
            ui::dim(format!(
2292 
                "{name} lacks {} that {from} has",
2293 
                plural(r.lacks, "change")
2294 
            ))
2295 
        );
7b9809e6 Andy McCall ↶ 2296 
    }
14edbaaf Andy McCall ↶ 2297 
    super::sync::subrepos_behind(&repo);
98a1620a Andy McCall ↶ 2298 
    where_now(&repo);
7b9809e6 Andy McCall ↶ 2299 
    Ok(0)
2300 
}
2301
2302 
pub fn merge(bookmark: &str) -> Result<i32> {
2303 
    let repo = open()?;
2304 
    let sp = ui::spinner(&format!("Merging {bookmark}…"));
2305 
    let r = repo.merge(bookmark)?;
2306 
    if !r.changed {
75167672 Andy McCall 2307 
        sp.done(&format!(
2308 
            "{} {}",
2309 
            ui::ok(ui::glyph("✔", "*")),
2310 
            ui::dim(format!(
2311 
                "{} already contains {bookmark}",
2312 
                repo.config.bookmark
2313 
            ))
2314 
        ));
7b9809e6 Andy McCall ↶ 2315 
        return Ok(0);
2316 
    }
2317 
    sp.done(&format!(
2318 
        "{} {} into {}: now {}{}",
2319 
        ui::done("Merged"),
2320 
        ui::bookmark(bookmark),
2321 
        ui::bookmark(&repo.config.bookmark),
2322 
        plural(r.heads.len(), "head"),
75167672 Andy McCall 2323 
        ui::dim(if r.checked_out {
2324 
            "; working copy updated"
2325 
        } else {
2326 
            "; run oxy checkout to update the working copy"
2327 
        })
7b9809e6 Andy McCall ↶ 2328 
    ));
2329 
    let snap = repo.snapshot("oxy merge")?;
2330 
    if snap.base_snapshot.is_conflicted() {
75167672 Andy McCall 2331 
        println!(
2332 
            "  {} {}",
2333 
            ui::caution(),
2334 
            ui::warn("the result has conflicts; see oxy status")
2335 
        );
7b9809e6 Andy McCall ↶ 2336 
    }
98a1620a Andy McCall ↶ 2337 
    where_now(&repo);
7b9809e6 Andy McCall ↶ 2338 
    Ok(0)
2339 
}
2340
728da0f9 Andy McCall ↶ 2341 
pub fn squash(change: &str, into: &str) -> Result<i32> {
2342 
    let repo = open()?;
2343 
    let c = repo.resolve_change(change)?;
2344 
    let d = repo.resolve_change(into)?;
2345 
    let sp = ui::spinner("Squashing…");
2346 
    let h = repo.squash(&c, &d)?;
2347 
    let new = repo.store().get_change(&h)?;
75167672 Andy McCall 2348 
    sp.done(&format!(
2349 
        "{} into {} {}  {}",
2350 
        ui::done("Squashed"),
2351 
        ui::id(short_id(&new)),
2352 
        ui::hash(format!("#{}", h.short(12))),
2353 
        ui::subject(subject_of(&new.message))
2354 
    ));
728da0f9 Andy McCall ↶ 2355 
    Ok(0)
2356 
}
2357
e266b7d4 Andy McCall ↶ 2358 
pub fn rebase(change: &str, onto: &[String], into_working_copy: bool) -> Result<i32> {
728da0f9 Andy McCall ↶ 2359 
    let repo = open()?;
2360 
    let c = repo.resolve_change(change)?;
2361 
    let mut heads = Vec::new();
2362 
    for o in onto {
2363 
        heads.extend(repo.resolve_heads(o)?);
2364 
    }
2365 
    let sp = ui::spinner("Rebasing…");
e266b7d4 Andy McCall ↶ 2366 
    let h = match repo.rebase(&c, &heads) {
2367 
        Err(oxy_core::repo::RepoError::Conflicted(_)) if into_working_copy => {
2368 
            let r = repo.rebase_into_working_copy(&c, &heads)?;
2369 
            sp.done(&format!(
2370 
                "{} {} into {}: now {}",
2371 
                ui::done("Merged"),
2372 
                onto.join(" "),
2373 
                ui::bookmark(&repo.config.bookmark),
2374 
                plural(r.heads.len(), "head"),
2375 
            ));
2376 
            if r.checked_out {
2377 
                println!(
2378 
                    "  {} {}",
2379 
                    ui::caution(),
2380 
                    ui::warn("the conflict is in the working copy: fix the marked files (see oxy status), then oxy commit")
2381 
                );
2382 
            } else {
2383 
                println!(
2384 
                    "  {} {}",
2385 
                    ui::caution(),
2386 
                    ui::warn("the working copy has changes of its own: commit or discard them, then oxy checkout to take the conflict in")
2387 
                );
2388 
            }
98a1620a Andy McCall ↶ 2389 
            where_now(&repo);
e266b7d4 Andy McCall ↶ 2390 
            return Ok(0);
2391 
        }
2392 
        other => other?,
2393 
    };
728da0f9 Andy McCall ↶ 2394 
    let new = repo.store().get_change(&h)?;
75167672 Andy McCall 2395 
    sp.done(&format!(
2396 
        "{} {} {}  {}",
2397 
        ui::done("Rebased"),
2398 
        ui::id(short_id(&new)),
2399 
        ui::hash(format!("#{}", h.short(12))),
2400 
        ui::dim(format!(
2401 
            "now depends on {}",
2402 
            plural(new.deps.len(), "change")
2403 
        ))
2404 
    ));
98a1620a Andy McCall ↶ 2405 
    where_now(&repo);
728da0f9 Andy McCall ↶ 2406 
    Ok(0)
2407 
}