agent_shell_parser/
lib.rs

1use std::path::Path;
2use std::process::Command;
3
4pub mod hook;
5pub mod parse;
6pub mod path;
7
8#[derive(Debug, thiserror::Error)]
9pub enum Error {
10    #[error("failed to read stdin: {0}")]
11    Stdin(#[from] std::io::Error),
12    #[error("failed to parse JSON input: {0}")]
13    Json(#[from] serde_json::Error),
14    #[error("jj command failed: {0}")]
15    Jj(String),
16}
17
18pub fn is_jj_colocated(cwd: &Path) -> bool {
19    Command::new("jj")
20        .arg("root")
21        .current_dir(cwd)
22        .stdout(std::process::Stdio::null())
23        .stderr(std::process::Stdio::null())
24        .status()
25        .map(|s| s.success())
26        .unwrap_or(false)
27}
28
29pub fn jj_version() -> Option<(u32, u32, u32)> {
30    let output = Command::new("jj").arg("--version").output().ok()?;
31    let text = String::from_utf8_lossy(&output.stdout);
32    let version_str = text.strip_prefix("jj ")?;
33    let mut parts = version_str.trim().split('.');
34    let major = parts.next()?.parse().ok()?;
35    let minor = parts.next()?.parse().ok()?;
36    let patch = parts.next().and_then(|p| p.parse().ok()).unwrap_or(0);
37    Some((major, minor, patch))
38}
39
40pub fn require_jj_version(min_major: u32, min_minor: u32) -> Result<(), String> {
41    match jj_version() {
42        None => Err("jj-cli not found. Install with: cargo install --locked jj-cli".into()),
43        Some((major, minor, _))
44            if major < min_major || (major == min_major && minor < min_minor) =>
45        {
46            Err(format!(
47                "jj-cli {major}.{minor} found, but >= {min_major}.{min_minor} required. \
48                 Upgrade with: cargo install --locked jj-cli"
49            ))
50        }
51        Some(_) => Ok(()),
52    }
53}
agent_shell_parser/lib.rs

agent_shell_parser/
lib.rs
