dejavu/paths/
layout.rs

1//! On-disk layout of a repo's cache dir (spec §7.2).
2
3use super::{cache_root, repo_hash};
4use crate::error::PathError;
5use std::path::{Path, PathBuf};
6
7/// `<cache>/dejavu/<repo_hash>/` and everything under it.
8#[derive(Debug, Clone)]
9pub struct CacheLayout {
10    pub root: PathBuf,
11}
12
13impl CacheLayout {
14    /// Derive the layout for a repo from its root path.
15    pub fn for_repo(repo_root: &Path) -> Result<Self, PathError> {
16        Ok(Self {
17            root: cache_root()?.join(repo_hash(repo_root)),
18        })
19    }
20
21    /// Use an explicit cache dir (e.g. from `DEJAVU_CACHE_DIR` in a session, or
22    /// a temp dir in tests).
23    pub fn from_dir(root: PathBuf) -> Self {
24        Self { root }
25    }
26
27    pub fn shims_bin(&self) -> PathBuf {
28        self.root.join("shims").join("bin")
29    }
30    pub fn db(&self) -> PathBuf {
31        self.root.join("runs.sqlite")
32    }
33    pub fn logs_dir(&self) -> PathBuf {
34        self.root.join("logs")
35    }
36    pub fn stdout_log(&self, run_id: &str) -> PathBuf {
37        self.logs_dir().join(format!("{run_id}.stdout"))
38    }
39    pub fn stderr_log(&self, run_id: &str) -> PathBuf {
40        self.logs_dir().join(format!("{run_id}.stderr"))
41    }
42    pub fn normalized_log(&self, run_id: &str) -> PathBuf {
43        self.logs_dir().join(format!("{run_id}.normalized.txt"))
44    }
45    pub fn sessions_dir(&self) -> PathBuf {
46        self.root.join("sessions")
47    }
48    pub fn session_file(&self, session_id: &str) -> PathBuf {
49        self.sessions_dir().join(format!("{session_id}.jsonl"))
50    }
51    pub fn effective_config(&self) -> PathBuf {
52        self.root.join("config.effective.json")
53    }
54    pub fn state_file(&self) -> PathBuf {
55        self.root.join("state.json")
56    }
57    /// Wrapper ZDOTDIR used to re-assert the shim PATH after login-shell init.
58    pub fn zdot_dir(&self) -> PathBuf {
59        self.root.join("zdot")
60    }
61
62    /// `mkdir -p` all cache subdirectories. Idempotent.
63    pub fn ensure_dirs(&self) -> Result<(), PathError> {
64        for dir in [
65            self.root.clone(),
66            self.shims_bin(),
67            self.logs_dir(),
68            self.sessions_dir(),
69        ] {
70            std::fs::create_dir_all(&dir)?;
71        }
72        Ok(())
73    }
74}
dejavu/paths/layout.rs

dejavu/paths/
layout.rs
