mati_core/scaffold/
mod.rs

1// Scaffold files written by mati init (M-06-I/J)
2// CLAUDE.md Vector C stub, .claude/settings.json, mati.json MCP config
3
4use std::path::Path;
5
6use anyhow::Result;
7
8pub mod claude_md;
9pub mod codex;
10pub mod commands;
11pub mod settings;
12pub mod skills;
13
14pub use claude_md::write_claude_md_stub;
15pub use codex::install_codex;
16pub use commands::write_mati_enrich_command;
17pub use settings::install_hooks;
18pub use skills::write_capture_skills;
19
20/// Resolve the absolute path to the running mati binary.
21///
22/// Used by scaffold installers to pin both MCP config and hook scripts to the
23/// same binary. Falls back to `"mati"` if resolution fails (e.g. during tests).
24pub fn mati_binary_path() -> String {
25    std::env::current_exe()
26        .ok()
27        .and_then(|p| p.canonicalize().ok())
28        .map(|p| p.to_string_lossy().into_owned())
29        .unwrap_or_else(|| "mati".to_owned())
30}
31
32/// Write a `mati` wrapper script into `hooks_dir` that execs the resolved binary.
33///
34/// This ensures all hook scripts call the same mati binary used by the MCP server,
35/// regardless of what `mati` is on PATH. Each hook prepends its own directory to
36/// PATH so this wrapper is found first.
37pub fn write_mati_wrapper(hooks_dir: &Path) -> Result<()> {
38    let bin = mati_binary_path();
39    let content = format!(
40        "#!/usr/bin/env bash\n\
41         # mati binary wrapper — written by mati init.\n\
42         # Ensures hooks use the same binary as the MCP server.\n\
43         # DO NOT EDIT — regenerated on each mati init.\n\
44         [ -x \"{bin}\" ] || exit 0\n\
45         exec \"{bin}\" \"$@\"\n"
46    );
47    let path = hooks_dir.join("mati");
48    write_if_changed(&path, &content)?;
49    make_executable(&path)?;
50    Ok(())
51}
52
53pub(crate) fn write_if_changed(path: &Path, content: &str) -> Result<()> {
54    if path.exists() {
55        if let Ok(existing) = std::fs::read_to_string(path) {
56            if existing == content {
57                return Ok(());
58            }
59        }
60    }
61    std::fs::write(path, content)?;
62    Ok(())
63}
64
65#[cfg(unix)]
66pub(crate) fn make_executable(path: &Path) -> Result<()> {
67    use std::os::unix::fs::PermissionsExt;
68    let mut perms = std::fs::metadata(path)?.permissions();
69    perms.set_mode(0o755);
70    std::fs::set_permissions(path, perms)?;
71    Ok(())
72}
73
74#[cfg(not(unix))]
75pub(crate) fn make_executable(_path: &Path) -> Result<()> {
76    Ok(())
77}
mati_core/scaffold/mod.rs

mati_core/scaffold/
mod.rs
