worktree_io/
hooks.rs

1use anyhow::Result;
2use std::process::Command;
3
4use crate::opener::augmented_path;
5
6/// Template variables available to hook scripts.
7pub struct HookContext {
8    /// GitHub owner / organization name.
9    pub owner: String,
10    /// Repository name.
11    pub repo: String,
12    /// Issue number or Linear UUID as a string.
13    pub issue: String,
14    /// Git branch name for the worktree.
15    pub branch: String,
16    /// Absolute path to the worktree directory.
17    pub worktree_path: String,
18}
19
20impl HookContext {
21    /// Expand `{{owner}}`, `{{repo}}`, `{{issue}}`, `{{branch}}`, and
22    /// `{{worktree_path}}` placeholders in `template`.
23    #[must_use]
24    pub fn render(&self, template: &str) -> String {
25        template
26            .replace("{{owner}}", &self.owner)
27            .replace("{{repo}}", &self.repo)
28            .replace("{{issue}}", &self.issue)
29            .replace("{{branch}}", &self.branch)
30            .replace("{{worktree_path}}", &self.worktree_path)
31    }
32}
33
34/// Render `script` with `ctx`, write to a temp file, and execute it.
35/// Stdout and stderr are forwarded to the caller's terminal.
36/// A non-zero exit code prints a warning but does not return an error.
37///
38/// # Errors
39///
40/// Returns an error if the temp file cannot be written or its permissions
41/// cannot be set.
42pub fn run_hook(script: &str, ctx: &HookContext) -> Result<()> {
43    let rendered = ctx.render(script);
44
45    let tmp_path = std::env::temp_dir().join(format!("worktree-hook-{}.sh", std::process::id()));
46    std::fs::write(&tmp_path, rendered.as_bytes())?;
47
48    #[cfg(unix)]
49    {
50        use std::os::unix::fs::PermissionsExt;
51        std::fs::set_permissions(&tmp_path, std::fs::Permissions::from_mode(0o755))?;
52    }
53
54    let result = Command::new("sh")
55        .arg(&tmp_path)
56        .env("PATH", augmented_path())
57        .status();
58    let _ = std::fs::remove_file(&tmp_path);
59
60    match result {
61        Ok(status) if !status.success() => {
62            eprintln!("Warning: hook exited with status {:?}", status.code());
63        }
64        // LLVM_COV_EXCL_START
65        Err(e) => {
66            eprintln!("Warning: failed to run hook: {e}");
67        }
68        // LLVM_COV_EXCL_STOP
69        _ => {}
70    }
71
72    Ok(())
73}
74
75#[cfg(test)]
76#[path = "hooks_tests.rs"]
77mod tests;
worktree_io/hooks.rs

worktree_io/
hooks.rs
