darman
a5af873924
Implements the first five harness-tools: read, write, bash (with timeout/output truncation), glob, and grep, plus shared path-resolution helpers. Wires them into the core tool registry and processor.
53 lines
1.6 KiB
Rust
53 lines
1.6 KiB
Rust
use std::path::{Path, PathBuf};
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/// Resolves a (possibly relative) tool-supplied path against `cwd`.
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pub fn resolve(cwd: &Path, file_path: &str) -> PathBuf {
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let path = Path::new(file_path);
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if path.is_absolute() {
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path.to_path_buf()
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} else {
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cwd.join(path)
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}
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}
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/// Slash-separated path relative to `cwd`, used as the permission pattern — falls back to
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/// the absolute path (still slash-separated) when `path` isn't under `cwd`.
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pub fn relative_pattern(cwd: &Path, path: &Path) -> String {
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let rel = path.strip_prefix(cwd).unwrap_or(path);
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rel.to_string_lossy().replace('\\', "/")
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn resolve_joins_relative_paths_to_cwd() {
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let cwd = Path::new("/home/user/project");
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assert_eq!(
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resolve(cwd, "src/main.rs"),
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PathBuf::from("/home/user/project/src/main.rs")
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);
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}
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#[test]
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fn resolve_leaves_absolute_paths_untouched() {
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let cwd = Path::new("/home/user/project");
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assert_eq!(resolve(cwd, "/etc/hosts"), PathBuf::from("/etc/hosts"));
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}
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#[test]
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fn relative_pattern_strips_cwd_prefix() {
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let cwd = Path::new("/home/user/project");
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let path = Path::new("/home/user/project/src/main.rs");
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assert_eq!(relative_pattern(cwd, path), "src/main.rs");
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}
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#[test]
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fn relative_pattern_falls_back_to_absolute_outside_cwd() {
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let cwd = Path::new("/home/user/project");
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let path = Path::new("/etc/hosts");
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assert_eq!(relative_pattern(cwd, path), "/etc/hosts");
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}
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}
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