66 lines
2.2 KiB
Rust
66 lines
2.2 KiB
Rust
//! Resolves the on-disk path to a Claude Code session transcript JSONL file.
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use std::path::{Path, PathBuf};
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/// Resolve the path to a Claude Code session transcript.
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///
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/// Claude Code stores each session's transcript at
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/// `$HOME/.claude/projects/<mangled-cwd>/<session_id>.jsonl`, where
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/// `<mangled-cwd>` is the absolute working directory with every `/` and `.`
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/// replaced by `-` (e.g. `/workspace/.huskies/worktrees/1186` becomes
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/// `-workspace--huskies-worktrees-1186`).
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pub fn transcript_path(cwd: &Path, session_id: &str) -> PathBuf {
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let home = std::env::var("HOME").unwrap_or_else(|_| "/home/huskies".to_string());
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transcript_path_under_home(Path::new(&home), cwd, session_id)
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}
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/// Same as [`transcript_path`] but takes an explicit `$HOME` directory,
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/// keeping the path-joining logic testable without mutating process env vars.
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fn transcript_path_under_home(home: &Path, cwd: &Path, session_id: &str) -> PathBuf {
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let mangled = mangle_cwd(&cwd.to_string_lossy());
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home.join(".claude")
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.join("projects")
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.join(mangled)
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.join(format!("{session_id}.jsonl"))
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}
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/// Replace every `/` and `.` in an absolute path string with `-`, matching
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/// the directory-naming convention Claude Code uses under `~/.claude/projects/`.
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fn mangle_cwd(cwd: &str) -> String {
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cwd.chars()
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.map(|c| if c == '/' || c == '.' { '-' } else { c })
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.collect()
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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 mangles_worktree_path_matching_observed_convention() {
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// Verified against this very worktree's own transcript directory.
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assert_eq!(
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mangle_cwd("/workspace/.huskies/worktrees/1186"),
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"-workspace--huskies-worktrees-1186"
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);
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}
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#[test]
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fn mangles_simple_home_path() {
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assert_eq!(mangle_cwd("/home/huskies"), "-home-huskies");
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}
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#[test]
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fn transcript_path_joins_home_projects_dir_and_session_file() {
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let path = transcript_path_under_home(
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Path::new("/home/testuser"),
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Path::new("/workspace/proj"),
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"abc-123",
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);
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assert_eq!(
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path,
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PathBuf::from("/home/testuser/.claude/projects/-workspace-proj/abc-123.jsonl")
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);
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}
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}
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