linsight_core/
paths.rs

1// SPDX-FileCopyrightText: 2026 VisorCraft LLC
2// SPDX-License-Identifier: GPL-3.0-only
3
4//! Shared filesystem-path helpers.
5
6use std::path::PathBuf;
7
8/// Resolve the history DB path.
9///
10/// Resolution order (mirrors XDG Base Directory spec):
11/// 1. `$XDG_DATA_HOME/linsight/history.db`
12/// 2. `$HOME/.local/share/linsight/history.db`
13/// 3. `/tmp/linsight-history.db` (last resort — no home dir)
14pub fn history_db_path() -> PathBuf {
15    if let Some(d) = std::env::var_os("XDG_DATA_HOME") {
16        PathBuf::from(d).join("linsight/history.db")
17    } else if let Some(h) = std::env::var_os("HOME") {
18        PathBuf::from(h).join(".local/share/linsight/history.db")
19    } else {
20        PathBuf::from("/tmp/linsight-history.db")
21    }
22}
23
24#[cfg(test)]
25mod tests {
26    use super::*;
27
28    #[test]
29    fn history_db_path_xdg_data_home_wins() {
30        // Temporarily override env vars is not safe in multi-threaded tests,
31        // so just verify the function returns a PathBuf ending in history.db.
32        let p = history_db_path();
33        assert!(p.ends_with("linsight/history.db") || p.to_str().unwrap().ends_with("history.db"));
34    }
35}
linsight_core/paths.rs

linsight_core/
paths.rs
