src/cli/mod.rs at 07eb99be126e · andymccall/oxygen

# 07eb99be126e oxygen / src / cli / mod.rs
25.3 KiB · Rust · last changed Unbound hosted repositories adopt the first pusher's id 1 month ago source blame history raw
//! Command-line definitions and dispatch.

mod format;
mod identity;
mod json;
mod sync;
pub mod ui;
mod workspace;

use anyhow::{Context, Result};
use clap::{Parser, Subcommand};
use oxy_core::repo::Repo;
use std::path::PathBuf;

#[derive(Parser)]
#[command(
    name = "oxy",
    version,
    about = "Oxygen: breathing fresh air into version control"
)]
struct Cli {
    /// Plain output: no colour, no spinner (also implied by NO_COLOR or a non-terminal)
    #[arg(long, global = true)]
    plain: bool,
    #[command(subcommand)]
    cmd: Cmd,
}

#[derive(Subcommand)]
enum Cmd {
    /// Create a repository in PATH (default: current directory)
    Init {
        path: Option<PathBuf>,
        /// No working copy: an object store and references only, for hosting
        #[arg(long)]
        bare: bool,
    },
    /// Clone a repository from a local path or an http(s) URL
    Clone {
        url: String,
        dest: Option<PathBuf>,
        /// Leave blobs larger than this (e.g. 1M) to be fetched on first read
        #[arg(long)]
        max_blob: Option<String>,
        /// Materialize only these paths (repeatable); implies lazy blobs
        #[arg(long = "sparse")]
        sparse: Vec<String>,
        /// Shallow clone: fetch only this many levels of history below the heads
        #[arg(long)]
        depth: Option<u32>,
    },
    /// Fetch more history below a shallow clone's boundary
    Deepen {
        #[arg(default_value_t = 10)]
        depth: u32,
        #[arg(long, default_value = "origin")]
        remote: String,
    },
    /// Show or set the sparse filter (paths to materialize); re-checks out the bookmark
    Sparse { paths: Vec<String> },
    /// Show the working copy: changed paths and conflicts
    Status {
        /// Machine-readable output: paths, and every conflict with its kind and contributing changes
        #[arg(long)]
        json: bool,
    },
    /// One-line summary for shell prompts; fast and records nothing
    Prompt {
        /// Placeholders: %b bookmark, %c change id, %h heads, %d dirty (*), %x conflict (!), %A/%D ahead/behind (+n/-n), %a/%B raw counts, %s state glyph, %U/%O ahead/behind arrows, %i icon
        #[arg(long, default_value = oxy_core::repo::DEFAULT_PROMPT_FORMAT)]
        format: String,
        /// Glyph format (%i %b %c %s%U%O) instead of the plain default
        #[arg(long)]
        glyphs: bool,
        /// Colour by state (cyan clean, yellow dirty, red conflicted): raw escapes, or guarded for a bash or zsh PS1
        #[arg(long, value_parser = ["raw", "bash", "zsh"])]
        color: Option<String>,
    },
    /// Record the working copy as a change on the current bookmark
    Commit {
        #[arg(short, long)]
        message: String,
        /// Extra explicit dependencies (ChangeId prefix, #hash prefix)
        #[arg(long = "depends-on")]
        depends_on: Vec<String>,
        /// Commit only these paths; the rest stays as uncommitted work
        paths: Vec<String>,
        /// Choose hunks one by one
        #[arg(short, long)]
        interactive: bool,
        /// Commit these hunks (as `oxy hunks` numbers them), comma separated
        #[arg(long, value_delimiter = ',')]
        hunks: Vec<usize>,
    },
    /// Fold CHANGE into one of its dependencies (keeps that change's id)
    Squash {
        change: String,
        #[arg(long)]
        into: String,
    },
    /// Re-express CHANGE against another base state
    Rebase {
        change: String,
        /// The changes, bookmark or tag whose state becomes the new base
        #[arg(long, required = true, num_args = 1..)]
        onto: Vec<String>,
    },
    /// Show which change introduced each line of a file
    Blame {
        path: String,
        #[arg(long)]
        json: bool,
    },
    /// Find the change that introduced a regression
    Bisect {
        #[command(subcommand)]
        cmd: BisectCmd,
    },
    /// List changes reachable from the bookmark and the working copy
    Log {
        /// Show at most this many changes
        #[arg(short = 'n', long)]
        limit: Option<usize>,
        /// Show full messages, dependencies, and signatures
        #[arg(short, long)]
        verbose: bool,
        /// Only changes touching this path (renames followed)
        #[arg(long)]
        path: Option<String>,
        #[arg(long)]
        json: bool,
    },
    /// Show what the working copy changes against its base
    Diff {
        /// A change instead of the working copy
        change: Option<String>,
        #[arg(long)]
        json: bool,
    },
    /// Print a file as it is in a state (default: the working copy's base)
    Cat {
        path: String,
        /// A change, bookmark, or tag
        #[arg(short = 'r', long)]
        change: Option<String>,
    },
    /// Print the repository root, workspace, and bookmark
    Root {
        #[arg(long)]
        json: bool,
    },
    /// Print the version of oxy, its repository format, and protocol
    Version {
        #[arg(long)]
        json: bool,
    },
    /// Restore paths to the working copy's base, or undo chosen hunks
    Discard {
        paths: Vec<String>,
        /// Hunk indices as `oxy hunks` numbers them, comma separated
        #[arg(long, value_delimiter = ',')]
        hunks: Vec<usize>,
    },
    /// List the working copy's hunks, numbered as commit --hunks expects
    Hunks {
        #[arg(long)]
        json: bool,
    },
    /// Change the message of a head (default: the head the working copy sits on)
    Describe {
        #[arg(short, long)]
        message: String,
        change: Option<String>,
    },
    /// Fold the working copy into the head it sits on, or into CHANGE with --into
    Amend {
        #[arg(short, long)]
        message: Option<String>,
        /// Amend an older change; the edits must touch only lines it already knows
        #[arg(long)]
        into: Option<String>,
    },
    /// Split a head: the named paths become a separate first change
    Split { change: String, paths: Vec<String> },
    /// Drop a head from the bookmark; its content stays on disk as uncommitted work
    Abandon { change: String },
    /// Show one change (ChangeId prefix, #hash prefix, or @)
    Show {
        change: String,
        #[arg(long)]
        json: bool,
    },
    /// Move the working copy to the state formed by CHANGE... (default: the bookmark heads)
    Checkout {
        changes: Vec<String>,
        /// Throw away uncommitted working-copy changes
        #[arg(long)]
        discard: bool,
    },
    /// Report which conflicts of the working copy's base are resolved by the current files
    Resolve {
        #[arg(long)]
        json: bool,
    },
    /// Undo the last operation
    Undo,
    /// Write a checkpoint of the current bookmark's state now
    Checkpoint,
    /// Pack loose objects and prune unreachable ones older than the grace period
    Gc {
        /// Ignore the grace period (core.gc-grace) and prune immediately
        #[arg(long)]
        now: bool,
    },
    /// List operations
    #[command(name = "op")]
    Op {
        #[command(subcommand)]
        cmd: OpCmd,
    },
    /// Take the advisory local lock on a lockable file, making it writable
    Lock { path: String },
    /// Release the local lock and make the file read-only again
    Unlock { path: String },
    /// Workspaces: extra checkout directories sharing this repository
    Workspace {
        #[command(subcommand)]
        cmd: WorkspaceCmd,
    },
    /// Bookmarks: named states; each workspace works on one
    Bookmark {
        #[command(subcommand)]
        cmd: BookmarkCmd,
    },
    /// Union another bookmark's heads into the current one (no merge change)
    Merge { bookmark: String },
    /// Subrepositories: nested repositories pinned to a state
    Submodule {
        #[command(subcommand)]
        cmd: SubmoduleCmd,
    },
    /// Tags: immutable named states
    Tag {
        #[command(subcommand)]
        cmd: TagCmd,
    },
    /// Manage remotes
    Remote {
        #[command(subcommand)]
        cmd: RemoteCmd,
    },
    /// Fetch every bookmark of a remote into its tracking references
    Fetch {
        remote: Option<String>,
        #[arg(long)]
        json: bool,
    },
    /// Fetch, then union the remote bookmark into the local one (no merge change)
    Pull {
        remote: Option<String>,
        #[arg(long)]
        json: bool,
    },
    /// Push the current bookmark to a remote
    Push {
        remote: Option<String>,
        /// Allow dropping heads the remote has
        #[arg(long)]
        force: bool,
        /// Push this bookmark instead of the workspace's current one
        #[arg(short = 'b', long)]
        bookmark: Option<String>,
        #[arg(long)]
        json: bool,
    },
    /// Serve repositories under ROOT over HTTPS (with --tls-cert/--tls-key) or plain HTTP
    Serve {
        /// Directory with one repository per subdirectory
        #[arg(long, default_value = ".")]
        root: PathBuf,
        #[arg(long, default_value = "127.0.0.1:8890")]
        bind: String,
        /// Bearer token allowed to push (repeatable); none means open
        #[arg(long = "token")]
        tokens: Vec<String>,
        /// PEM certificate chain; enables HTTPS together with --tls-key
        #[arg(long, requires = "tls_key")]
        tls_cert: Option<PathBuf>,
        /// PEM private key
        #[arg(long, requires = "tls_cert")]
        tls_key: Option<PathBuf>,
    },
    /// Manage the signing identity
    Identity {
        #[command(subcommand)]
        cmd: IdentityCmd,
    },
    /// Verify the signatures on a change (default: every change in the log)
    Verify {
        change: Option<String>,
        #[arg(long)]
        json: bool,
    },
    /// Git interoperability
    Git {
        #[command(subcommand)]
        cmd: GitCmd,
    },
    /// Manage the trust policy (who may update which bookmarks)
    Policy {
        #[command(subcommand)]
        cmd: PolicyCmd,
    },
    /// Set a configuration key (author.*, core.sign, core.op-retention, core.gc-grace, core.checkpoint-interval, filter.max-blob, filter.paths, workspace.bookmark, remote.<name>.url|token|ca)
    Config {
        key: String,
        value: String,
        /// Write to the user file (~/.config/oxy/config.toml) instead of this repository
        #[arg(long)]
        user: bool,
    },
}

#[derive(Subcommand)]
enum OpCmd {
    Log {
        #[arg(long)]
        json: bool,
    },
}

#[derive(Subcommand)]
enum WorkspaceCmd {
    /// Create a workspace at PATH checked out on CHANGE... (default: the bookmark heads)
    Add { path: PathBuf, changes: Vec<String> },
    List {
        #[arg(long)]
        json: bool,
    },
    /// Stop tracking a workspace (by id prefix or path); its files stay
    Forget { workspace: String },
}

#[derive(Subcommand)]
enum BisectCmd {
    /// Begin; remembers where the working copy was
    Start,
    /// Mark CHANGE... (or the state under test) as good
    Good { changes: Vec<String> },
    /// Mark CHANGE... (or the state under test) as bad
    Bad { changes: Vec<String> },
    /// The state under test cannot be tested; try another
    Skip,
    /// Run a command for each step: exit 0 good, 125 skip, else bad
    Run {
        #[arg(required = true, trailing_var_arg = true)]
        command: Vec<String>,
    },
    /// Where the search stands
    Status {
        #[arg(long)]
        json: bool,
    },
    /// Restore the working copy and forget the search
    Reset,
}

#[derive(Subcommand)]
enum BookmarkCmd {
    /// Create a bookmark at CHANGE... (default: the working copy's base)
    Create { name: String, changes: Vec<String> },
    /// Point an existing bookmark at CHANGE...
    Set { name: String, changes: Vec<String> },
    /// Remove a bookmark; its changes stay
    Delete { name: String },
    /// List bookmarks with their heads and difference from origin
    List {
        #[arg(long)]
        json: bool,
    },
    /// Make NAME this workspace's bookmark and check it out
    Switch {
        name: String,
        /// Throw away uncommitted working-copy changes
        #[arg(long)]
        discard: bool,
    },
}

#[derive(Subcommand)]
enum SubmoduleCmd {
    /// Clone URL (Oxygen or Git) into PATH and register it in .oxymodules
    Add {
        url: String,
        path: String,
        /// Bookmark (Oxygen) or branch (Git) to check out and track
        #[arg(long)]
        bookmark: Option<String>,
    },
    /// Bring nested repositories to their pins
    Update {
        /// Clone nested repositories that are absent
        #[arg(long)]
        init: bool,
        paths: Vec<String>,
    },
    /// List subrepos with their pins and on-disk state
    Status {
        #[arg(long)]
        json: bool,
    },
    /// Unregister PATH; the directory stays, the node goes with the next commit
    Remove { path: String },
}

#[derive(Subcommand)]
enum TagCmd {
    /// Tag the state of CHANGE... (default: the bookmark heads)
    Create {
        name: String,
        changes: Vec<String>,
        #[arg(short, long, default_value = "")]
        message: String,
    },
    List {
        #[arg(long)]
        json: bool,
    },
}

#[derive(Subcommand)]
enum RemoteCmd {
    Add {
        name: String,
        url: String,
    },
    Remove {
        name: String,
    },
    List {
        #[arg(long)]
        json: bool,
    },
}

#[derive(Subcommand)]
enum IdentityCmd {
    /// Generate a composite Ed25519 + ML-DSA-65 key pair and make it your author identity
    Create {
        #[arg(long)]
        name: Option<String>,
        #[arg(long)]
        email: Option<String>,
        /// Record the author in this repository only, not in the user config
        #[arg(long)]
        local: bool,
        /// Expire the identity this many days from now
        #[arg(long)]
        expires: Option<u64>,
    },
    /// Show the configured identity
    Show,
    /// Write your identity object to a file, to hand to a policy holder
    Export { path: Option<PathBuf> },
    /// Move to a fresh key pair; the policy follows if it names your key
    Rotate,
    /// Re-issue your identity with a new expiry (in days from now; 0 = never)
    Renew {
        #[arg(long)]
        expires: u64,
    },
    /// Revoke a key: yours by default, or any key if you hold a policy root
    Revoke {
        /// KeyId prefix (default: your own key)
        key: Option<String>,
        #[arg(long, default_value = "")]
        reason: String,
    },
    /// Keys allowed to sign or seal on your behalf
    Delegate {
        #[command(subcommand)]
        cmd: DelegateCmd,
    },
}

#[derive(Subcommand)]
enum DelegateCmd {
    /// Add a delegate from an exported identity file
    Add { identity_file: PathBuf },
    /// Remove a delegate by KeyId prefix
    Remove { key: String },
    /// List delegates
    List,
}

#[derive(Subcommand)]
enum GitCmd {
    /// Export the current bookmark to a Git repository (created bare if absent)
    Export {
        git_dir: PathBuf,
        /// Git branch to write (default: the bookmark name)
        #[arg(long)]
        branch: Option<String>,
    },
    /// Fetch a branch from a Git remote (path or URL) into the current bookmark
    Fetch {
        url: String,
        #[arg(long, default_value = "main")]
        branch: String,
    },
    /// Push the current bookmark to a branch of a Git remote (fetch first)
    Push {
        url: String,
        #[arg(long, default_value = "main")]
        branch: String,
    },
    /// Import a Git branch into a new Oxygen repository at DEST
    Import {
        git_dir: PathBuf,
        dest: PathBuf,
        #[arg(long, default_value = "main")]
        branch: String,
    },
}

#[derive(Subcommand)]
enum PolicyCmd {
    /// Create the initial policy with your identity as the only root
    Init,
    /// Show the current policy
    Show {
        #[arg(long)]
        json: bool,
    },
    /// Allow an identity (from `oxy identity export`) to update bookmarks
    Grant {
        identity_file: PathBuf,
        /// Reference pattern the grant applies to (default: every bookmark)
        #[arg(long)]
        pattern: Option<String>,
        /// Where to write the proposal when more root signatures are needed
        #[arg(long)]
        out: Option<PathBuf>,
    },
    /// Revoke a key (KeyId prefix of an identity in the policy)
    Revoke {
        key: String,
        /// Where to write the proposal when more root signatures are needed
        #[arg(long)]
        out: Option<PathBuf>,
    },
    /// Manage root keys and the signature threshold for policy updates
    Root {
        #[command(subcommand)]
        cmd: RootCmd,
    },
    /// Add your root signature to a proposal file; applies it once the threshold is met
    Sign {
        proposal: PathBuf,
        /// Where to write the proposal if it still needs signatures (default: in place)
        #[arg(long)]
        out: Option<PathBuf>,
    },
}

#[derive(Subcommand)]
enum RootCmd {
    /// Make an exported identity a root key
    Add {
        identity_file: PathBuf,
        #[arg(long)]
        out: Option<PathBuf>,
    },
    /// Remove a root key by KeyId prefix
    Remove {
        key: String,
        #[arg(long)]
        out: Option<PathBuf>,
    },
    /// Require this many root signatures on policy updates
    Threshold {
        n: u32,
        #[arg(long)]
        out: Option<PathBuf>,
    },
}

/// Open the repository containing the current directory.
fn open() -> Result<Repo> {
    Repo::open(&std::env::current_dir()?).context("opening repository")
}

/// Parse arguments and run; returns the process exit code.
pub fn run() -> Result<i32> {
    let cli = Cli::parse();
    ui::init(cli.plain);
    match cli.cmd {
        Cmd::Init { path, bare } => workspace::init(path, bare),
        Cmd::Status { json } => workspace::status(json),
        Cmd::Prompt {
            format,
            glyphs,
            color,
        } => workspace::prompt(&format, glyphs, color.as_deref()),
        Cmd::Commit {
            message,
            depends_on,
            paths,
            interactive,
            hunks,
        } => workspace::commit(&message, &depends_on, &paths, interactive, &hunks),
        Cmd::Cat { path, change } => workspace::cat(&path, change.as_deref()),
        Cmd::Root { json } => workspace::root(json),
        Cmd::Version { json } => workspace::version(json),
        Cmd::Discard { paths, hunks } => workspace::discard(&paths, &hunks),
        Cmd::Hunks { json } => workspace::hunks(json),
        Cmd::Squash { change, into } => workspace::squash(&change, &into),
        Cmd::Rebase { change, onto } => workspace::rebase(&change, &onto),
        Cmd::Blame { path, json } => workspace::blame(&path, json),
        Cmd::Bisect { cmd } => match cmd {
            BisectCmd::Start => workspace::bisect_start(),
            BisectCmd::Good { changes } => workspace::bisect_mark(Some(true), &changes),
            BisectCmd::Bad { changes } => workspace::bisect_mark(Some(false), &changes),
            BisectCmd::Skip => workspace::bisect_mark(None, &[]),
            BisectCmd::Run { command } => workspace::bisect_run(&command),
            BisectCmd::Status { json } => workspace::bisect_status(json),
            BisectCmd::Reset => workspace::bisect_reset(),
        },
        Cmd::Log {
            limit,
            verbose,
            path,
            json,
        } => workspace::log(limit, verbose, path.as_deref(), json),
        Cmd::Diff { change, json } => workspace::diff(change.as_deref(), json),
        Cmd::Describe { message, change } => workspace::describe(&message, change.as_deref()),
        Cmd::Amend { message, into } => workspace::amend(message.as_deref(), into.as_deref()),
        Cmd::Split { change, paths } => workspace::split(&change, &paths),
        Cmd::Abandon { change } => workspace::abandon(&change),
        Cmd::Show { change, json } => workspace::show(&change, json),
        Cmd::Checkout { changes, discard } => workspace::checkout(&changes, discard),
        Cmd::Resolve { json } => workspace::resolve(json),
        Cmd::Undo => workspace::undo(),
        Cmd::Gc { now } => workspace::gc(now),
        Cmd::Checkpoint => workspace::checkpoint(),
        Cmd::Op {
            cmd: OpCmd::Log { json },
        } => workspace::op_log(json),
        Cmd::Clone {
            url,
            dest,
            max_blob,
            sparse,
            depth,
        } => sync::clone(&url, dest, max_blob.as_deref(), &sparse, depth),
        Cmd::Deepen { depth, remote } => sync::deepen(&remote, depth),
        Cmd::Sparse { paths } => workspace::sparse(&paths),
        Cmd::Lock { path } => workspace::lock(&path),
        Cmd::Unlock { path } => workspace::unlock(&path),
        Cmd::Workspace { cmd } => match cmd {
            WorkspaceCmd::Add { path, changes } => workspace::workspace_add(&path, &changes),
            WorkspaceCmd::List { json } => workspace::workspace_list(json),
            WorkspaceCmd::Forget { workspace } => workspace::workspace_forget(&workspace),
        },
        Cmd::Bookmark { cmd } => match cmd {
            BookmarkCmd::Create { name, changes } => workspace::bookmark_create(&name, &changes),
            BookmarkCmd::Set { name, changes } => workspace::bookmark_set(&name, &changes),
            BookmarkCmd::Delete { name } => workspace::bookmark_delete(&name),
            BookmarkCmd::List { json } => workspace::bookmark_list(json),
            BookmarkCmd::Switch { name, discard } => workspace::bookmark_switch(&name, discard),
        },
        Cmd::Merge { bookmark } => workspace::merge(&bookmark),
        Cmd::Submodule { cmd } => match cmd {
            SubmoduleCmd::Add {
                url,
                path,
                bookmark,
            } => sync::submodule_add(&url, &path, bookmark.as_deref()),
            SubmoduleCmd::Update { init, paths } => sync::submodule_update(init, &paths),
            SubmoduleCmd::Status { json } => sync::submodule_status(json),
            SubmoduleCmd::Remove { path } => sync::submodule_remove(&path),
        },
        Cmd::Tag { cmd } => match cmd {
            TagCmd::Create {
                name,
                changes,
                message,
            } => workspace::tag_create(&name, &changes, &message),
            TagCmd::List { json } => workspace::tag_list(json),
        },
        Cmd::Remote { cmd } => match cmd {
            RemoteCmd::Add { name, url } => sync::remote_add(&name, &url),
            RemoteCmd::Remove { name } => sync::remote_remove(&name),
            RemoteCmd::List { json } => sync::remote_list(json),
        },
        Cmd::Fetch { remote, json } => sync::fetch(remote.as_deref(), json),
        Cmd::Pull { remote, json } => sync::pull(remote.as_deref(), json),
        Cmd::Push {
            remote,
            force,
            bookmark,
            json,
        } => sync::push(remote.as_deref(), force, bookmark.as_deref(), json),
        Cmd::Serve {
            root,
            bind,
            tokens,
            tls_cert,
            tls_key,
        } => sync::serve(root, &bind, tokens, tls_cert.zip(tls_key)),
        Cmd::Identity { cmd } => match cmd {
            IdentityCmd::Create {
                name,
                email,
                local,
                expires,
            } => identity::create(name, email, local, expires),
            IdentityCmd::Show => identity::show(),
            IdentityCmd::Export { path } => identity::export(path),
            IdentityCmd::Rotate => identity::rotate(),
            IdentityCmd::Renew { expires } => identity::renew(expires),
            IdentityCmd::Revoke { key, reason } => identity::revoke(key.as_deref(), &reason),
            IdentityCmd::Delegate { cmd } => match cmd {
                DelegateCmd::Add { identity_file } => identity::delegate_add(&identity_file),
                DelegateCmd::Remove { key } => identity::delegate_remove(&key),
                DelegateCmd::List => identity::delegate_list(),
            },
        },
        Cmd::Git {
            cmd: GitCmd::Export { git_dir, branch },
        } => sync::git_export(&git_dir, branch.as_deref()),
        Cmd::Git {
            cmd: GitCmd::Fetch { url, branch },
        } => sync::git_fetch(&url, &branch),
        Cmd::Git {
            cmd: GitCmd::Push { url, branch },
        } => sync::git_push(&url, &branch),
        Cmd::Git {
            cmd:
                GitCmd::Import {
                    git_dir,
                    dest,
                    branch,
                },
        } => sync::git_import(&git_dir, &dest, &branch),
        Cmd::Policy { cmd } => match cmd {
            PolicyCmd::Init => identity::policy_init(),
            PolicyCmd::Show { json } => identity::policy_show(json),
            PolicyCmd::Grant {
                identity_file,
                pattern,
                out,
            } => identity::policy_grant(&identity_file, pattern.as_deref(), out),
            PolicyCmd::Revoke { key, out } => identity::policy_revoke(&key, out),
            PolicyCmd::Root { cmd } => match cmd {
                RootCmd::Add { identity_file, out } => {
                    identity::policy_root_add(&identity_file, out)
                }
                RootCmd::Remove { key, out } => identity::policy_root_remove(&key, out),
                RootCmd::Threshold { n, out } => identity::policy_threshold(n, out),
            },
            PolicyCmd::Sign { proposal, out } => identity::policy_sign(&proposal, out),
        },
        Cmd::Verify { change, json } => identity::verify(change.as_deref(), json),
        Cmd::Config { key, value, user } => identity::config(&key, &value, user),
    }
}
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