OXYGENHUB
◆ v0.4.6 oxygen / src / cli / sync.rs
37.7 KiB · Rust · last changed remote remove: remove all of the remote 25 days ago source blame history raw
1 
//! Commands that talk to remotes, and the reference server.
2
3 
use super::format::plural;
4 
use super::json;
5 
use super::open;
6 
use super::ui;
7 
use anyhow::{Context, Result};
8 
use oxy_core::repo::Repo;
9 
use std::path::PathBuf;
10
11 
pub fn clone(
12 
    url: &str,
13 
    dest: Option<PathBuf>,
14 
    max_blob: Option<&str>,
15 
    sparse: &[String],
16 
    depth: Option<u32>,
17 
    recursive: bool,
18 
) -> Result<i32> {
19 
    let dest = dest.unwrap_or_else(|| {
20 
        let base = url
21 
            .trim_end_matches('/')
22 
            .rsplit('/')
23 
            .next()
24 
            .unwrap_or("repo");
25 
        PathBuf::from(base)
26 
    });
27 
    let max_blob = max_blob.map(oxy_core::repo::parse_size).transpose()?;
28 
    let sp = ui::spinner(&format!("Cloning {url}…"));
29 
    let repo = match depth {
30 
        Some(d) => Repo::clone_shallow(url, &dest, d, max_blob, sparse)?,
31 
        None => Repo::clone_with(url, &dest, max_blob, sparse)?,
32 
    };
33 
    let heads = repo.bookmark_heads()?;
34 
    sp.done(&format!(
35 
        "{} into {} {}",
36 
        ui::done("Cloned"),
37 
        ui::path(repo.root().display()),
38 
        ui::dim(format!(
39 
            "({url}, {} with {})",
40 
            ui::bookmark(&repo.config.bookmark),
41 
            plural(heads.len(), "head")
42 
        ))
43 
    ));
44 
    let others = repo.remote_only_bookmarks()?.len();
45 
    if others > 0 {
46 
        println!(
47 
            "  {} {}",
48 
            ui::note(),
49 
            ui::dim(format!(
50 
                "origin has {} more: oxy bookmark list --all, then oxy bookmark switch NAME",
51 
                plural(others, "bookmark")
52 
            ))
53 
        );
54 
    }
55 
    let subrepos = repo.subrepos()?.len();
56 
    if subrepos == 0 {
57 
        return Ok(0);
58 
    }
59 
    if recursive {
60 
        let sp = ui::spinner("Cloning subrepos…");
61 
        let results = repo.submodule_update(true, &[])?;
62 
        sp.clear();
63 
        return Ok(print_subrepo_results(results));
64 
    }
65 
    println!(
66 
        "  {} {}",
67 
        ui::note(),
68 
        ui::dim(format!(
69 
            "{} not cloned: oxy submodule update --init (or clone with --recursive)",
70 
            plural(subrepos, "subrepo")
71 
        ))
72 
    );
73 
    Ok(0)
74 
}
75
76 
/// After a switch or pull: say when subrepos are not at their pins.
77 
pub fn subrepos_behind(repo: &Repo) {
78 
    let Ok(subs) = repo.subrepos() else {
79 
        return;
80 
    };
81 
    let stale = subs
82 
        .iter()
83 
        .filter(|s| s.committed && s.actual.as_ref() != Some(&s.pin))
84 
        .count();
85 
    if stale > 0 {
86 
        println!(
87 
            "  {} {}",
88 
            ui::note(),
89 
            ui::dim(format!(
90 
                "{} not at {} pin: oxy submodule update --init",
91 
                plural(stale, "subrepo"),
92 
                if stale == 1 { "its" } else { "their" }
93 
            ))
94 
        );
95 
    }
96 
}
97
98 
/// Whether a URL names a store (a bucket or a directory in the store
99 
/// layout) rather than a repository.
100 
fn is_store_url(url: &str) -> bool {
101 
    ["s3://", "gs://", "az://", "dir://"]
102 
        .iter()
103 
        .any(|p| url.starts_with(p))
104 
}
105
106 
/// Percent-encode what would break a query parameter.
107 
fn encode_param(v: &str) -> String {
108 
    let mut out = String::with_capacity(v.len());
109 
    for b in v.bytes() {
110 
        match b {
111 
            b'A'..=b'Z' | b'a'..=b'z' | b'0'..=b'9' | b'-' | b'_' | b'.' | b'~' | b'/' | b':' => {
112 
                out.push(b as char)
113 
            }
114 
            _ => out.push_str(&format!("%{b:02X}")),
115 
        }
116 
    }
117 
    out
118 
}
119
120 
/// A store URL with settings added as query parameters, which is where a
121 
/// store remote keeps them (`s3://b/p?profile=work&region=eu-west-2`).
122 
fn url_with_settings(url: &str, settings: &[(&str, Option<String>)]) -> Result<String> {
123 
    let given: Vec<(&str, &str)> = settings
124 
        .iter()
125 
        .filter_map(|(k, v)| v.as_deref().map(|v| (*k, v)))
126 
        .collect();
127 
    if given.is_empty() {
128 
        return Ok(url.to_string());
129 
    }
130 
    if !is_store_url(url) || url.starts_with("dir://") {
131 
        let names: Vec<String> = given.iter().map(|(k, _)| format!("--{k}")).collect();
132 
        anyhow::bail!(
133 
            "{} apply to a store remote (s3://, gs://, az://), not to {url}",
134 
            names.join(", ")
135 
        );
136 
    }
137 
    let mut out = url.to_string();
138 
    for (k, v) in given {
139 
        out.push(if out.contains('?') { '&' } else { '?' });
140 
        out.push_str(k);
141 
        out.push('=');
142 
        out.push_str(&encode_param(v));
143 
    }
144 
    Ok(out)
145 
}
146
147 
pub fn remote_add(name: &str, url: &str, settings: &[(&str, Option<String>)]) -> Result<i32> {
148 
    let mut repo = open()?;
149 
    let url = url_with_settings(url, settings)?;
150 
    let url = url.as_str();
151 
    repo.config.set(
152 
        &format!("remote.{name}.url"),
153 
        &oxy_core::protocol::stored_url(url),
154 
    )?;
155 
    repo.save_config()?;
156 
    println!(
157 
        "{} remote {} {} {url}",
158 
        ui::done("Added"),
159 
        ui::bookmark(name),
160 
        ui::dim(ui::glyph("→", "->"))
161 
    );
162 
    Ok(0)
163 
}
164
165 
/// `oxy remote check NAME`: reach the remote with the credentials in
166 
/// hand, say what it holds, and, for a store, put it through the
167 
/// conformance check under a probe prefix (left empty afterwards).
168 
pub fn remote_check(name: &str) -> Result<i32> {
169 
    let repo = open()?;
170 
    let Some(url) = repo.config.remotes.get(name).cloned() else {
171 
        anyhow::bail!("no remote {name:?}; oxy remote list shows the remotes there are");
172 
    };
173 
    let options = repo.options_for_url(&url);
174 
    let mine = repo.id()?;
175 
    let started = std::time::Instant::now();
176 
    let sp = ui::spinner(&format!("Checking {name}…"));
177 
    let Some(store) = oxy_core::protocol::open_store(&url, &options) else {
178 
        // A hub or another repository: reach it and read its references.
179 
        let (_, remote) = repo.open_remote_at(&url)?;
180 
        let id = remote.repo_id()?;
181 
        let refs = remote.refs()?;
182 
        sp.done(&format!(
183 
            "{} {} {}",
184 
            ui::done("Reachable"),
185 
            ui::bookmark(name),
186 
            ui::dim(format!("({url}, {} ms)", started.elapsed().as_millis()))
187 
        ));
188 
        describe_holding(id, mine, refs.refs.len(), refs.tags.len(), None);
189 
        return Ok(0);
190 
    };
191 
    let store = store.with_context(|| format!("opening the store of {name}"))?;
192 
    // What it holds, in one listing and two reads.
193 
    let marker = match store.get("oxygen.toml") {
194 
        Ok(b) => Some(b),
195 
        Err(oxy_core::strata::Error::NotFound(_)) => None,
196 
        Err(e) => {
197 
            sp.clear();
198 
            return Err(anyhow::anyhow!("{e}"))
199 
                .with_context(|| format!("reaching the store of {name}"));
200 
        }
201 
    };
202 
    let reached = started.elapsed();
203 
    let bundles = store.list("bundles/")?.len();
204 
    let record = store.read_ref("refs")?;
205 
    sp.done(&format!(
206 
        "{} {} {}",
207 
        ui::done("Reachable"),
208 
        ui::bookmark(name),
209 
        ui::dim(format!("({url}, {} ms)", reached.as_millis()))
210 
    ));
211 
    match marker {
212 
        None => println!(
213 
            "  {} {}",
214 
            ui::note(),
215 
            ui::dim("holds no repository yet: oxy push NAME binds it to this one")
216 
        ),
217 
        Some(_) => {
218 
            let (id, bookmarks, tags) = match record {
219 
                Some((bytes, _)) => {
220 
                    let (id, resp) = oxy_core::protocol::wire::decode_refs(&bytes)?;
221 
                    (id, resp.refs.len(), resp.tags.len())
222 
                }
223 
                None => (mine, 0, 0),
224 
            };
225 
            describe_holding(id, mine, bookmarks, tags, Some(bundles));
226 
        }
227 
    }
228 
    // Then the behaviour a repository depends on, under a prefix of its own.
229 
    let sp = ui::spinner("Checking that the store behaves…");
230 
    let probe = format!("oxy-check-{}", std::process::id());
231 
    let began = std::time::Instant::now();
232 
    match oxy_core::strata::conformance(store.as_ref(), &probe) {
233 
        Ok(passed) => {
234 
            sp.clear();
235 
            for p in &passed {
236 
                println!("  {} {}", ui::ok(ui::glyph("✔", "*")), p);
237 
            }
238 
            println!(
239 
                "{} {}",
240 
                ui::done("Behaves"),
241 
                ui::dim(format!(
242 
                    "({} checks in {} ms; nothing left behind)",
243 
                    passed.len(),
244 
                    began.elapsed().as_millis()
245 
                ))
246 
            );
247 
            Ok(0)
248 
        }
249 
        Err(e) => {
250 
            sp.clear();
251 
            // Leave nothing behind, even after a failed check.
252 
            if let Ok(left) = store.list(&probe) {
253 
                for entry in left {
254 
                    let _ = store.delete(&entry.key);
255 
                }
256 
            }
257 
            println!("{} {}", ui::err(ui::glyph("✘", "x")), e);
258 
            println!(
259 
                "  {} {}",
260 
                ui::note(),
261 
                ui::dim("a store that fails this cannot keep a repository safely; check the service and the credentials' permissions")
262 
            );
263 
            Ok(1)
264 
        }
265 
    }
266 
}
267
268 
fn describe_holding(
269 
    id: [u8; 16],
270 
    mine: [u8; 16],
271 
    bookmarks: usize,
272 
    tags: usize,
273 
    bundles: Option<usize>,
274 
) {
275 
    let short: String = id[..6].iter().map(|b| format!("{b:02x}")).collect();
276 
    let mut what = format!(
277 
        "repository {short}: {} and {}",
278 
        plural(bookmarks, "bookmark"),
279 
        plural(tags, "tag")
280 
    );
281 
    if let Some(b) = bundles {
282 
        what.push_str(&format!(" in {}", plural(b, "bundle")));
283 
    }
284 
    if id == mine {
285 
        println!("  {} {}", ui::note(), ui::dim(format!("holds this {what}")));
286 
    } else if id == oxy_core::protocol::UNBOUND_ID {
287 
        println!("  {} {}", ui::note(), ui::dim("holds no repository yet"));
288 
    } else {
289 
        println!(
290 
            "  {} {}",
291 
            ui::caution(),
292 
            ui::warn(format!("holds another {what}; a push would be refused"))
293 
        );
294 
    }
295 
}
296
297 
pub fn remote_remove(name: &str) -> Result<i32> {
298 
    let mut repo = open()?;
299 
    repo.remove_remote(name)?;
300 
    println!("{} remote {}", ui::done("Removed"), ui::bookmark(name));
301 
    Ok(0)
302 
}
303
304 
pub fn remote_list(as_json: bool) -> Result<i32> {
305 
    let repo = open()?;
306 
    let view = repo.view()?;
307 
    if as_json {
308 
        let items = repo.config.remotes.iter().map(|(name, url)| {
309 
            let bms = view.remotes.get(name).map(|b| {
310 
                json::arr(b.iter().map(|(bm, st)| {
311 
                    let heads = repo
312 
                        .store()
313 
                        .get_state(st)
314 
                        .map(|s| s.heads)
315 
                        .unwrap_or_default();
316 
                    json::obj([("name", json::s(bm)), ("heads", json::hashes(&heads))])
317 
                }))
318 
            });
319 
            json::obj([
320 
                ("name", json::s(name)),
321 
                ("url", json::s(url)),
322 
                // The CA file `remote.NAME.ca` names, for tools that talk to
323 
                // the same hub (an editor's forge view, `oh`).
324 
                (
325 
                    "ca",
326 
                    json::opt(repo.config.remote_cas.get(name), |c| json::s(c)),
327 
                ),
328 
                ("bookmarks", bms.unwrap_or_else(|| "[]".into())),
329 
            ])
330 
        });
331 
        println!("{}", json::arr(items));
332 
        return Ok(0);
333 
    }
334 
    if repo.config.remotes.is_empty() {
335 
        println!(
336 
            "{}",
337 
            ui::dim("No remotes; add one with oxy remote add <name> <url>.")
338 
        );
339 
    }
340 
    for (name, url) in &repo.config.remotes {
341 
        println!(
342 
            "{} {}{}{}",
343 
            ui::ok(ui::glyph("⇄", "<>")),
344 
            ui::bookmark(name),
345 
            ui::sep(),
346 
            ui::dim(url)
347 
        );
348 
        if let Some(bms) = view.remotes.get(name) {
349 
            for (bm, st) in bms {
350 
                let heads = repo
351 
                    .store()
352 
                    .get_state(st)
353 
                    .map(|s| s.heads.len())
354 
                    .unwrap_or(0);
355 
                println!(
356 
                    "    {} {}{}{}",
357 
                    ui::dim(ui::glyph("↳", "->")),
358 
                    ui::id(format!("{name}/{bm}")),
359 
                    ui::sep(),
360 
                    ui::dim(plural(heads, "head"))
361 
                );
362 
            }
363 
        }
364 
    }
365 
    Ok(0)
366 
}
367
368 
/// The remote named, else `origin`, else the only remote there is.
369 
fn remote_name(repo: &oxy_core::repo::Repo, remote: Option<&str>) -> String {
370 
    remote.map_or_else(|| repo.default_remote(), str::to_string)
371 
}
372
373 
pub fn fetch(remote: Option<&str>, as_json: bool) -> Result<i32> {
374 
    let repo = open()?;
375 
    let remote = remote_name(&repo, remote);
376 
    let sp = ui::spinner(&format!("Fetching from {remote}…"));
377 
    let report = repo.fetch(&remote)?;
378 
    sp.clear();
379 
    if as_json {
380 
        println!(
381 
            "{}",
382 
            json::obj([
383 
                ("remote", json::s(&remote)),
384 
                (
385 
                    "refs",
386 
                    json::arr(report.refs.iter().map(|(name, heads, n)| {
387 
                        let t = repo.tracking(&remote, name).ok().flatten();
388 
                        json::obj([
389 
                            ("name", json::s(name)),
390 
                            ("heads", json::hashes(heads)),
391 
                            ("new", json::n(*n)),
392 
                            (
393 
                                "ahead",
394 
                                t.map_or_else(|| "null".into(), |(a, _)| json::n(a)),
395 
                            ),
396 
                            (
397 
                                "behind",
398 
                                t.map_or_else(|| "null".into(), |(_, b)| json::n(b)),
399 
                            ),
400 
                        ])
401 
                    }))
402 
                ),
403 
                ("new_tags", json::n(report.new_tags)),
404 
                ("unverified", json::b(report.unverified)),
405 
            ])
406 
        );
407 
        return Ok(0);
408 
    }
409 
    if report.refs.is_empty() {
410 
        println!(
411 
            "{} {}",
412 
            ui::done("Fetched"),
413 
            ui::dim(format!("nothing new from {remote}"))
414 
        );
415 
    }
416 
    for (name, heads, n) in &report.refs {
417 
        // What was fetched, then how the local bookmark stands against it:
418 
        // "up to date" only when the two are the same (oxygen#56).
419 
        let fetched =
420 
            (*n > 0).then(|| format!("{}{}", ui::ok(plural(*n, "new change")), ui::sep()));
421 
        let them = |k: usize| if k == 1 { "it" } else { "them" };
422 
        let standing = match repo.tracking(&remote, name).ok().flatten() {
423 
            None => ui::dim(format!("no local bookmark {name}")),
424 
            Some((0, 0)) => ui::dim(format!("{name} up to date")),
425 
            Some((0, b)) if *name == repo.config.bookmark => ui::warn(format!(
426 
                "{name} is {} behind: oxy pull to take {}",
427 
                plural(b, "change"),
428 
                them(b)
429 
            )),
430 
            Some((0, b)) => ui::warn(format!(
431 
                "{name} is {} behind: oxy bookmark switch {name} then oxy pull to take {}",
432 
                plural(b, "change"),
433 
                them(b)
434 
            )),
435 
            Some((a, 0)) => ui::dim(format!(
436 
                "{name} is {} ahead: oxy push to send {}",
437 
                plural(a, "change"),
438 
                them(a)
439 
            )),
440 
            Some((a, b)) => ui::warn(format!(
441 
                "{name} and {remote}/{name} have diverged ({a} here, {b} there): oxy pull to merge them"
442 
            )),
443 
        };
444 
        let what = format!("{}{standing}", fetched.unwrap_or_default());
445 
        println!(
446 
            "{} {}{}{}{}{what}",
447 
            ui::done("Fetched"),
448 
            ui::id(format!("{remote}/{name}")),
449 
            ui::sep(),
450 
            ui::dim(plural(heads.len(), "head")),
451 
            ui::sep()
452 
        );
453 
    }
454 
    if report.new_tags > 0 {
455 
        println!(
456 
            "  {} {}",
457 
            ui::note(),
458 
            ui::dim(format!("{} adopted", plural(report.new_tags, "tag")))
459 
        );
460 
    }
461 
    if report.unverified {
462 
        eprintln!(
463 
            "{} {remote} has no trust policy; nothing fetched from it was verified",
464 
            ui::caution()
465 
        );
466 
    }
467 
    Ok(0)
468 
}
469
470 
/// Pull acts on the current bookmark only: name the others the fetch
471 
/// found behind their remote, which is easy to take for the current one
472 
/// (oxygen#29).
473 
fn others_behind(repo: &oxy_core::repo::Repo, remote: &str) {
474 
    let Ok(bookmarks) = repo.bookmarks() else {
475 
        return;
476 
    };
477 
    for b in bookmarks {
478 
        let Some(n) = b.behind.filter(|n| *n > 0) else {
479 
            continue;
480 
        };
481 
        if b.current {
482 
            continue;
483 
        }
484 
        println!(
485 
            "  {} {}",
486 
            ui::note(),
487 
            ui::dim(format!(
488 
                "{} is {} behind {remote}/{}: oxy bookmark switch {} then oxy pull to take {}",
489 
                b.name,
490 
                plural(n, "change"),
491 
                b.name,
492 
                b.name,
493 
                if n == 1 { "it" } else { "them" }
494 
            ))
495 
        );
496 
    }
497 
}
498
499 
pub fn pull(remote: Option<&str>, as_json: bool) -> Result<i32> {
500 
    let repo = open()?;
501 
    let remote = remote_name(&repo, remote);
502 
    let sp = ui::spinner(&format!("Pulling from {remote}…"));
503 
    let r = repo.pull(&remote)?;
504 
    if as_json {
505 
        sp.clear();
506 
        let conflicted = repo
507 
            .snapshot_status("oxy pull")?
508 
            .base_snapshot
509 
            .is_conflicted();
510 
        println!(
511 
            "{}",
512 
            json::obj([
513 
                ("remote", json::s(&remote)),
514 
                ("bookmark", json::s(&repo.config.bookmark)),
515 
                ("heads", json::hashes(&r.heads)),
516 
                ("changed", json::b(r.changed)),
517 
                ("checked_out", json::b(r.checked_out)),
518 
                ("conflicted", json::b(conflicted)),
519 
                ("others", json::arr(r.others.iter().map(|o| json::s(o))))
520 
            ])
521 
        );
522 
        return Ok(0);
523 
    }
524 
    if !r.changed {
525 
        sp.done(&format!(
526 
            "{} {}{}",
527 
            ui::ok(ui::glyph("✔", "*")),
528 
            ui::dim(format!(
529 
                "{} is up to date with {remote}.",
530 
                repo.config.bookmark
531 
            )),
532 
            if r.checked_out {
533 
                ui::dim(" The working copy had fallen behind it and is updated.")
534 
            } else {
535 
                String::new()
536 
            }
537 
        ));
538 
        others_pulled(&r.others);
539 
        others_behind(&repo, &remote);
540 
        if r.checked_out {
541 
            super::workspace::where_now(&repo);
542 
        }
543 
        return Ok(0);
544 
    }
545 
    sp.done(&format!(
546 
        "{} {} now has {}{}",
547 
        ui::done("Pulled:"),
548 
        ui::bookmark(&repo.config.bookmark),
549 
        plural(r.heads.len(), "head"),
550 
        ui::dim(if r.checked_out {
551 
            "; working copy updated"
552 
        } else {
553 
            "; run oxy checkout to update the working copy"
554 
        })
555 
    ));
556 
    let snap = repo.snapshot("oxy pull")?;
557 
    if snap.base_snapshot.is_conflicted() {
558 
        println!(
559 
            "  {} {}",
560 
            ui::caution(),
561 
            ui::warn("the result has conflicts; see oxy status")
562 
        );
563 
    }
564 
    others_pulled(&r.others);
565 
    others_behind(&repo, &remote);
566 
    subrepos_behind(&repo);
567 
    super::workspace::where_now(&repo);
568 
    Ok(0)
569 
}
570
571 
/// The other bookmarks a pull moved.
572 
fn others_pulled(others: &[String]) {
573 
    if others.is_empty() {
574 
        return;
575 
    }
576 
    let shown: Vec<String> = others.iter().take(8).map(ui::bookmark).collect();
577 
    let more = others.len().saturating_sub(8);
578 
    println!(
579 
        "  {} {}{}",
580 
        ui::done("Also updated"),
581 
        shown.join(", "),
582 
        if more > 0 {
583 
            ui::dim(format!(" and {more} more"))
584 
        } else {
585 
            String::new()
586 
        }
587 
    );
588 
}
589
590 
/// `oxy push [REMOTE] --delete NAME`.
591 
pub fn push_delete(remote: Option<&str>, name: &str, as_json: bool) -> Result<i32> {
592 
    let repo = open()?;
593 
    let remote = remote_name(&repo, remote);
594 
    let sp = ui::spinner(&format!("Deleting {remote}/{name}…"));
595 
    let results = repo.push_delete(&remote, name)?;
596 
    sp.clear();
597 
    if as_json {
598 
        println!(
599 
            "{}",
600 
            json::arr(results.iter().map(|r| {
601 
                json::obj([
602 
                    ("name", json::s(&r.name)),
603 
                    ("ok", json::b(r.ok)),
604 
                    ("reason", json::s(&r.reason)),
605 
                    ("state", json::s("")),
606 
                ])
607 
            }))
608 
        );
609 
        return Ok(if results.iter().all(|r| r.ok) { 0 } else { 1 });
610 
    }
611 
    let mut code = 0;
612 
    for r in results {
613 
        if r.ok {
614 
            println!(
615 
                "{} {}",
616 
                ui::done("Deleted"),
617 
                ui::id(format!("{remote}/{}", r.name))
618 
            );
619 
        } else {
620 
            println!(
621 
                "{} {} {}{}{}",
622 
                ui::err(ui::glyph("✖", "x")),
623 
                ui::err("Rejected"),
624 
                ui::id(format!("{remote}/{}", r.name)),
625 
                ui::sep(),
626 
                r.reason
627 
            );
628 
            code = 1;
629 
        }
630 
    }
631 
    Ok(code)
632 
}
633
634 
pub fn push(
635 
    remote: Option<&str>,
636 
    force: bool,
637 
    bookmark: Option<&str>,
638 
    as_json: bool,
639 
) -> Result<i32> {
640 
    let repo = open()?;
641 
    let remote = remote_name(&repo, remote);
642 
    let sp = ui::spinner(&format!("Pushing to {remote}…"));
643 
    let bookmark_name = bookmark.map_or_else(|| repo.config.bookmark.clone(), String::from);
644 
    // A long push goes in parts: the spinner says which.
645 
    let results = repo.push_bookmark_with(&remote, &bookmark_name, force, &mut |m| {
646 
        sp.set(&format!("Pushing to {remote}… {m}"))
647 
    })?;
648 
    sp.clear();
649 
    if as_json {
650 
        // The state each accepted bookmark now holds on the remote (its local
651 
        // state object), so a caller can look up what the push started, such
652 
        // as the checks a forge runs on it.
653 
        let view = repo.view()?;
654 
        println!(
655 
            "{}",
656 
            json::arr(results.iter().map(|r| {
657 
                let state = view
658 
                    .bookmarks
659 
                    .get(&r.name)
660 
                    .filter(|_| r.ok)
661 
                    .map(|st| st.to_hex())
662 
                    .unwrap_or_default();
663 
                json::obj([
664 
                    ("name", json::s(&r.name)),
665 
                    ("ok", json::b(r.ok)),
666 
                    ("reason", json::s(&r.reason)),
667 
                    ("state", json::s(&state)),
668 
                ])
669 
            }))
670 
        );
671 
        return Ok(if results.iter().all(|r| r.ok) { 0 } else { 1 });
672 
    }
673 
    let mut code = 0;
674 
    for r in results {
675 
        if r.ok {
676 
            println!(
677 
                "{} {}{}{}",
678 
                ui::done("Pushed"),
679 
                ui::id(format!("{remote}/{}", r.name)),
680 
                ui::sep(),
681 
                ui::dim(if r.reason.is_empty() {
682 
                    "updated"
683 
                } else {
684 
                    r.reason.as_str()
685 
                })
686 
            );
687 
        } else {
688 
            println!(
689 
                "{} {} {}{}{}",
690 
                ui::err(ui::glyph("✖", "x")),
691 
                ui::err("Rejected"),
692 
                ui::id(format!("{remote}/{}", r.name)),
693 
                ui::sep(),
694 
                r.reason
695 
            );
696 
            code = 1;
697 
        }
698 
    }
699 
    Ok(code)
700 
}
701
702 
pub fn serve(
703 
    root: PathBuf,
704 
    bind: &str,
705 
    tokens: Vec<String>,
706 
    tls: Option<(PathBuf, PathBuf)>,
707 
) -> Result<i32> {
708 
    let listener = std::net::TcpListener::bind(bind).with_context(|| format!("binding {bind}"))?;
709 
    let root = root.canonicalize()?;
710 
    let tls = tls.map(|(cert, key)| oxy_server::TlsFiles { cert, key });
711 
    println!(
712 
        "Serving repositories under {} on {}://{bind}/<repo>/oxy/v1/ ({})",
713 
        root.display(),
714 
        if tls.is_some() { "https" } else { "http" },
715 
        if tokens.is_empty() {
716 
            "open: no push tokens configured"
717 
        } else {
718 
            "push requires a token"
719 
        }
720 
    );
721 
    if tls.is_none()
722 
        && !bind.starts_with("127.")
723 
        && !bind.starts_with("localhost")
724 
        && !bind.starts_with("[::1]")
725 
    {
726 
        eprintln!("warning: serving plain HTTP on a non-loopback address; put a TLS terminator in front or pass --tls-cert/--tls-key");
727 
    }
728 
    oxy_server::run_blocking(listener, oxy_server::ServerConfig { root, tokens, tls })?;
729 
    Ok(0)
730 
}
731
732 
pub fn git_export(git_dir: &std::path::Path, branch: Option<&str>) -> Result<i32> {
733 
    let repo = open()?;
734 
    let sp = ui::spinner("Exporting to Git…");
735 
    let r = match branch {
736 
        Some(b) => repo.git_export_as(git_dir, b)?,
737 
        None => repo.git_export(git_dir)?,
738 
    };
739 
    sp.clear();
740 
    println!(
741 
        "{} {} to {} as branch {} {}",
742 
        ui::done("Exported"),
743 
        plural(r.exported, "new state"),
744 
        ui::path(git_dir.display()),
745 
        ui::bookmark(&r.branch),
746 
        ui::dim(format!(
747 
            "(currently {}; {} already exported)",
748 
            plural(r.heads, "head"),
749 
            r.skipped
750 
        ))
751 
    );
752 
    Ok(0)
753 
}
754
755 
pub fn git_recover() -> Result<i32> {
756 
    let repo = open()?;
757 
    let sp = ui::spinner("Reading the store…");
758 
    let (changes, heads) = repo.recover_git_import(&|m| sp.set(m))?;
759 
    sp.done(&format!(
760 
        "{} {} from imported Git commits: {} now has {}",
761 
        ui::done("Recovered"),
762 
        plural(changes, "change"),
763 
        ui::bookmark(&repo.config.bookmark),
764 
        plural(heads, "head")
765 
    ));
766 
    println!(
767 
        "  {} {}",
768 
        ui::note(),
769 
        ui::dim("carry on with oxy git fetch GIT_DIR --branch BRANCH")
770 
    );
771 
    Ok(0)
772 
}
773
774 
/// `--claim` (oxygen#97): record `git.claim`, so this import and every
775 
/// later fetch author the identity's own commits with its key.
776 
fn claim_commits(repo: &mut Repo) -> Result<()> {
777 
    repo.config.set("git.claim", "true")?;
778 
    repo.save_config()?;
779 
    Ok(())
780 
}
781
782 
pub fn git_fetch(url: &str, branch: &str, claim: bool) -> Result<i32> {
783 
    let mut repo = open()?;
784 
    if claim {
785 
        claim_commits(&mut repo)?;
786 
    }
787 
    let sp = ui::spinner(&format!("Fetching {url} {branch}…"));
788 
    let r = repo.git_fetch(url, branch)?;
789 
    sp.clear();
790 
    if r.commits == 0 {
791 
        println!(
792 
            "{} {}",
793 
            ui::done("Fetched"),
794 
            ui::dim(format!("nothing new from {url} {branch}"))
795 
        );
796 
    } else {
797 
        println!(
798 
            "{} {} ({} merges) from {} {}{}{} now has {}",
799 
            ui::done("Fetched"),
800 
            plural(r.commits, "new commit"),
801 
            r.merges,
802 
            ui::path(url),
803 
            ui::bookmark(branch),
804 
            ui::sep(),
805 
            ui::bookmark(&repo.config.bookmark),
806 
            plural(r.heads, "head")
807 
        );
808 
        if !repo.snapshot("oxy git fetch")?.changed {
809 
            println!("  {} {}", ui::note(), ui::dim("working copy updated"));
810 
        } else {
811 
            println!(
812 
                "  {} {}",
813 
                ui::note(),
814 
                ui::dim("run oxy checkout to update the working copy")
815 
            );
816 
        }
817 
    }
818 
    if r.submodules > 0 {
819 
        println!(
820 
            "  {} {}",
821 
            ui::note(),
822 
            ui::dim(format!(
823 
                "{} submodule {} imported as subrepos with Git pins",
824 
                r.submodules,
825 
                if r.submodules == 1 {
826 
                    "entry"
827 
                } else {
828 
                    "entries"
829 
                }
830 
            ))
831 
        );
832 
    }
833 
    Ok(0)
834 
}
835
836 
pub fn git_push(url: &str, branch: &str) -> Result<i32> {
837 
    let repo = open()?;
838 
    let sp = ui::spinner(&format!("Pushing to {url} {branch}…"));
839 
    let r = repo.git_push(url, branch)?;
840 
    sp.clear();
841 
    println!(
842 
        "{} {} to {} {} {}",
843 
        ui::done("Pushed"),
844 
        plural(r.exported, "new commit"),
845 
        ui::path(url),
846 
        ui::bookmark(&r.branch),
847 
        ui::dim(format!("({} already there)", r.skipped))
848 
    );
849 
    Ok(0)
850 
}
851
852 
/// `oxy git verify`: exit 1 if any commit's tree is not reproduced.
853 
pub fn git_verify(
854 
    git_dir: &std::path::Path,
855 
    branch: &str,
856 
    last: Option<usize>,
857 
    max: usize,
858 
) -> Result<i32> {
859 
    let repo = open()?;
860 
    let started = std::time::Instant::now();
861 
    let sp = ui::spinner(&format!(
862 
        "Rebuilding every commit of {} {branch}…",
863 
        git_dir.display()
864 
    ));
865 
    let r = repo.verify_git_import_last(git_dir, branch, last, max)?;
866 
    sp.clear();
867 
    for (_, what) in &r.mismatches {
868 
        println!("{} {what}", ui::err(ui::glyph("✖", "x")));
869 
    }
870 
    if r.not_yet > 0 {
871 
        println!(
872 
            "  {} {}",
873 
            ui::note(),
874 
            ui::dim(format!(
875 
                "{} not imported yet, after the last imported commit: not checked",
876 
                plural(r.not_yet, "commit")
877 
            ))
878 
        );
879 
    }
880 
    if r.mismatches.is_empty() {
881 
        println!(
882 
            "{}",
883 
            ui::done(if r.skipped > 0 {
884 
                format!(
885 
                    "The last {} commits reproduced ({} followed), {} files compared, in {:.1}s",
886 
                    r.commits - r.skipped,
887 
                    r.skipped,
888 
                    r.files_compared,
889 
                    started.elapsed().as_secs_f64()
890 
                )
891 
            } else {
892 
                format!(
893 
                    "Every commit reproduced: {} commits, {} files compared, in {:.1}s",
894 
                    r.commits,
895 
                    r.files_compared,
896 
                    started.elapsed().as_secs_f64()
897 
                )
898 
            })
899 
        );
900 
        Ok(0)
901 
    } else {
902 
        // What differs, by kind, the commit taken off: one difference
903 
        // carried through history reads as one line.
904 
        let mut kinds: std::collections::BTreeMap<String, usize> = Default::default();
905 
        for (_, what) in &r.mismatches {
906 
            let kind = what.split_once(": ").map_or(what.as_str(), |(_, k)| k);
907 
            *kinds.entry(kind.to_string()).or_default() += 1;
908 
        }
909 
        let mut kinds: Vec<_> = kinds.into_iter().collect();
910 
        kinds.sort_by_key(|k| std::cmp::Reverse(k.1));
911 
        for (kind, n) in kinds.iter().take(10) {
912 
            println!("  {} {}", ui::dim(format!("{n:>6} ×")), kind);
913 
        }
914 
        println!(
915 
            "{} differences in {} commits checked{}",
916 
            r.mismatches.len(),
917 
            r.commits,
918 
            if max > 0 && r.mismatches.len() >= max {
919 
                format!(" (stopped at {max}; --max-differences 0 checks every commit)")
920 
            } else {
921 
                String::new()
922 
            }
923 
        );
924 
        Ok(1)
925 
    }
926 
}
927
928 
pub fn git_import(
929 
    git_dir: &std::path::Path,
930 
    dest: &std::path::Path,
931 
    branch: &str,
932 
    claim: bool,
933 
) -> Result<i32> {
934 
    let mut repo = Repo::init(dest)?;
935 
    if claim {
936 
        claim_commits(&mut repo)?;
937 
    }
938 
    let started = std::time::Instant::now();
939 
    let sp = ui::spinner(&format!("Importing {} {branch}…", git_dir.display()));
940 
    let r = repo.import_git_with(git_dir, branch, &mut |where_| sp.set(where_))?;
941 
    sp.clear();
942 
    println!(
943 
        "{} {} ({} merges) from {} {} into {} {}",
944 
        ui::done("Imported"),
945 
        plural(r.commits, "commit"),
946 
        r.merges,
947 
        ui::path(git_dir.display()),
948 
        ui::bookmark(branch),
949 
        ui::path(repo.root().display()),
950 
        ui::dim(format!(
951 
            "in {:.1?}; {} now has {}",
952 
            started.elapsed(),
953 
            repo.config.bookmark,
954 
            plural(r.heads, "head")
955 
        ))
956 
    );
957 
    if r.submodules > 0 {
958 
        println!(
959 
            "  {} {}",
960 
            ui::note(),
961 
            ui::dim(format!(
962 
                "{} submodule {} imported as subrepos with Git pins",
963 
                r.submodules,
964 
                if r.submodules == 1 {
965 
                    "entry"
966 
                } else {
967 
                    "entries"
968 
                }
969 
            ))
970 
        );
971 
    }
972 
    Ok(0)
973 
}
974
975 
pub fn submodule_add(url: &str, path: &str, bookmark: Option<&str>) -> Result<i32> {
976 
    let repo = open()?;
977 
    let sp = ui::spinner(&format!("Cloning {url} into {path}…"));
978 
    let pin = repo.submodule_add(url, path, bookmark)?;
979 
    sp.done(&format!(
980 
        "{} subrepo {} {} {}",
981 
        ui::done("Added"),
982 
        ui::path(path),
983 
        ui::dim(ui::glyph("→", "->")),
984 
        ui::dim(pin.summary())
985 
    ));
986 
    println!(
987 
        "  {} {}",
988 
        ui::note(),
989 
        ui::dim("recorded in .oxymodules; commit to pin it")
990 
    );
991 
    Ok(0)
992 
}
993
994 
pub fn submodule_update(init: bool, paths: &[String]) -> Result<i32> {
995 
    let repo = open()?;
996 
    let sp = ui::spinner("Updating subrepos…");
997 
    let results = repo.submodule_update(init, paths)?;
998 
    let unpinned: Vec<_> = repo
999 
        .unpinned_modules()?
1000 
        .into_iter()
1001 
        .filter(|(p, _)| paths.is_empty() || paths.iter().any(|q| q.trim_end_matches('/') == p))
1002 
        .collect();
1003 
    sp.clear();
1004 
    if results.is_empty() && unpinned.is_empty() {
1005 
        println!("{}", ui::dim("No subrepos."));
1006 
    }
1007 
    let code = print_subrepo_results(results);
1008 
    print_unpinned(&unpinned);
1009 
    Ok(if unpinned.is_empty() { code } else { 1 })
1010 
}
1011
1012 
/// `.oxymodules` entries never added: nothing to clone, so say how to add
1013 
/// them (oxygen#72).
1014 
fn print_unpinned(unpinned: &[(String, oxy_core::subrepo::Module)]) {
1015 
    for (path, m) in unpinned {
1016 
        let url = if m.url.is_empty() { "<url>" } else { &m.url };
1017 
        println!(
1018 
            "{} {}",
1019 
            ui::warn(format!(
1020 
                "{} in .oxymodules but never added, so no pin",
1021 
                ui::glyph("⚠", "!")
1022 
            )),
1023 
            ui::path(path)
1024 
        );
1025 
        println!(
1026 
            "  {}",
1027 
            ui::dim(format!("add it with: oxy submodule add {url} {path}"))
1028 
        );
1029 
    }
1030 
}
1031
1032 
fn print_subrepo_results(results: Vec<(String, oxy_core::repo::SubrepoSync)>) -> i32 {
1033 
    let mut code = 0;
1034 
    for (path, r) in results {
1035 
        use oxy_core::repo::SubrepoSync::*;
1036 
        let line = match r {
1037 
            Updated => ui::done("Updated"),
1038 
            UpToDate => ui::ok(format!("{} up to date", ui::glyph("✔", "*"))),
1039 
            Missing => {
1040 
                code = 1;
1041 
                ui::warn(format!(
1042 
                    "{} missing (pass --init to clone)",
1043 
                    ui::glyph("⚠", "!")
1044 
                ))
1045 
            }
1046 
            Dirty => {
1047 
                code = 1;
1048 
                ui::warn(format!(
1049 
                    "{} has uncommitted changes; left as is",
1050 
                    ui::glyph("⚠", "!")
1051 
                ))
1052 
            }
1053 
            KeptBookmark { bookmark, newer } => ui::warn(format!(
1054 
                "{} checked out at the pin; its bookmark {bookmark} keeps {} the pin lacks",
1055 
                ui::glyph("⚠", "!"),
1056 
                plural(newer, "newer change")
1057 
            )),
1058 
            Failed(e) => {
1059 
                code = 1;
1060 
                ui::err(format!("{} {e}", ui::glyph("✖", "x")))
1061 
            }
1062 
        };
1063 
        println!("{line} {}", ui::path(path));
1064 
    }
1065 
    code
1066 
}
1067
1068 
fn pin_json(p: &oxy_core::subrepo::Pin) -> String {
1069 
    match p {
1070 
        oxy_core::subrepo::Pin::Oxy {
1071 
            repo,
1072 
            heads,
1073 
            bookmark,
1074 
        } => json::obj([
1075 
            ("kind", json::s("oxy")),
1076 
            (
1077 
                "repo",
1078 
                json::s(&repo.iter().map(|b| format!("{b:02x}")).collect::<String>()),
1079 
            ),
1080 
            ("heads", json::hashes(heads)),
1081 
            ("bookmark", json::s(bookmark)),
1082 
        ]),
1083 
        oxy_core::subrepo::Pin::Git { sha, branch } => json::obj([
1084 
            ("kind", json::s("git")),
1085 
            ("sha", json::s(sha)),
1086 
            ("branch", json::s(branch)),
1087 
        ]),
1088 
    }
1089 
}
1090
1091 
pub fn submodule_status(as_json: bool) -> Result<i32> {
1092 
    let repo = open()?;
1093 
    let subs = repo.subrepos()?;
1094 
    let unpinned = repo.unpinned_modules()?;
1095 
    if as_json {
1096 
        let pinned = subs.iter().map(|s| {
1097 
            json::obj([
1098 
                ("path", json::s(&s.path)),
1099 
                ("pin", pin_json(&s.pin)),
1100 
                ("actual", json::opt(s.actual.as_ref(), pin_json)),
1101 
                ("at_pin", json::b(s.actual.as_ref() == Some(&s.pin))),
1102 
                ("dirty", json::b(s.dirty)),
1103 
                ("committed", json::b(s.committed)),
1104 
                ("url", json::opt(s.url.as_deref(), json::s)),
1105 
            ])
1106 
        });
1107 
        // Listed in .oxymodules but never added: no pin at all.
1108 
        let unpinned_json = unpinned.iter().map(|(path, m)| {
1109 
            json::obj([
1110 
                ("path", json::s(path)),
1111 
                ("pin", "null".to_string()),
1112 
                ("actual", "null".to_string()),
1113 
                ("at_pin", json::b(false)),
1114 
                ("dirty", json::b(false)),
1115 
                ("committed", json::b(false)),
1116 
                ("url", json::s(&m.url)),
1117 
            ])
1118 
        });
1119 
        println!("{}", json::arr(pinned.chain(unpinned_json)));
1120 
        return Ok(0);
1121 
    }
1122 
    if subs.is_empty() && unpinned.is_empty() {
1123 
        println!("{}", ui::dim("No subrepos."));
1124 
    }
1125 
    for s in subs {
1126 
        let state = match (&s.actual, s.dirty) {
1127 
            _ if !s.committed => {
1128 
                ui::warn(format!("{} added, not committed yet", ui::glyph("+", "+")))
1129 
            }
1130 
            (None, _) => ui::warn(format!("{} missing", ui::glyph("⚠", "!"))),
1131 
            (Some(a), dirty) if *a == s.pin => {
1132 
                if dirty {
1133 
                    ui::warn(format!(
1134 
                        "{} at pin, uncommitted changes",
1135 
                        ui::glyph("✎", "~")
1136 
                    ))
1137 
                } else {
1138 
                    ui::ok(format!("{} at pin", ui::glyph("✔", "*")))
1139 
                }
1140 
            }
1141 
            (Some(a), _) => ui::warn(format!("{} at {}", ui::glyph("↕", "<>"), a.summary())),
1142 
        };
1143 
        println!(
1144 
            "{} {}{}{}{}{state}",
1145 
            ui::ok(ui::glyph("⧉", "#")),
1146 
            ui::path(&s.path),
1147 
            ui::sep(),
1148 
            ui::dim(s.pin.summary()),
1149 
            ui::sep()
1150 
        );
1151 
        if let Some(u) = s.url {
1152 
            println!("    {} {}", ui::dim(ui::glyph("↳", "->")), ui::dim(u));
1153 
        }
1154 
    }
1155 
    print_unpinned(&unpinned);
1156 
    Ok(0)
1157 
}
1158
1159 
pub fn submodule_remove(path: &str) -> Result<i32> {
1160 
    let repo = open()?;
1161 
    repo.submodule_remove(path)?;
1162 
    println!(
1163 
        "{} subrepo {} {}",
1164 
        ui::done("Removed"),
1165 
        ui::path(path),
1166 
        ui::dim("(directory left in place; commit to record the removal)")
1167 
    );
1168 
    Ok(0)
1169 
}
1170
1171 
pub fn deepen(remote: &str, depth: u32) -> Result<i32> {
1172 
    let repo = open()?;
1173 
    if !repo.is_shallow() {
1174 
        println!(
1175 
            "{}",
1176 
            ui::dim("This repository is not shallow; nothing to deepen.")
1177 
        );
1178 
        return Ok(0);
1179 
    }
1180 
    let sp = ui::spinner(&format!("Fetching {depth} more levels from {remote}…"));
1181 
    let n = repo.deepen(remote, depth)?;
1182 
    sp.done(&format!(
1183 
        "{} {}; {}",
1184 
        ui::done("Deepened by"),
1185 
        plural(n, "change"),
1186 
        if repo.is_shallow() {
1187 
            "still shallow".to_string()
1188 
        } else {
1189 
            ui::ok("history is now complete")
1190 
        }
1191 
    ));
1192 
    Ok(0)
1193 
}