lean_ctx/core/patterns/
mise.rs

1//! mise (dev tool version manager) output compression.
2//!
3//! `mise ls`/`list` prints `tool  version  source-path` rows — we keep
4//! tool + version and drop the config source path. `mise install` keeps the
5//! installed/failed lines and drops download progress.
6
7use crate::core::compressor::strip_ansi;
8
9pub fn compress(cmd: &str, output: &str) -> Option<String> {
10    let trimmed = output.trim();
11    if trimmed.is_empty() {
12        return Some("mise: ok".to_string());
13    }
14    if cmd.contains(" ls") || cmd.contains(" list") {
15        return Some(compress_ls(trimmed));
16    }
17    if cmd.contains("install") || cmd.contains("use") || cmd.contains("upgrade") {
18        return Some(compress_install(trimmed));
19    }
20    Some(fallback(trimmed))
21}
22
23fn compress_ls(output: &str) -> String {
24    let mut rows: Vec<String> = Vec::new();
25    for raw in output.lines() {
26        let line = strip_ansi(raw);
27        let cols: Vec<&str> = line.split_whitespace().collect();
28        if cols.len() >= 2 {
29            rows.push(format!("{} {}", cols[0], cols[1]));
30        }
31    }
32    if rows.is_empty() {
33        return fallback(output);
34    }
35    format!("mise: {} tool(s)\n{}", rows.len(), rows.join("\n"))
36}
37
38fn compress_install(output: &str) -> String {
39    let mut kept: Vec<String> = Vec::new();
40    for raw in output.lines() {
41        let line = strip_ansi(raw);
42        let t = line.trim();
43        if t.is_empty() {
44            continue;
45        }
46        let l = t.to_ascii_lowercase();
47        if l.contains("installed")
48            || l.contains("installing")
49            || l.contains("failed")
50            || l.contains("error")
51            || t.contains('✓')
52        {
53            kept.push(t.to_string());
54        }
55    }
56    if kept.is_empty() {
57        return "mise: ok".to_string();
58    }
59    kept.join("\n")
60}
61
62fn fallback(text: &str) -> String {
63    let lines: Vec<&str> = text.lines().filter(|l| !l.trim().is_empty()).collect();
64    let n = lines.len().min(10);
65    let mut s = lines[..n].join("\n");
66    if lines.len() > n {
67        s.push_str(&format!("\n... (+{} lines)", lines.len() - n));
68    }
69    s
70}
71
72#[cfg(test)]
73mod tests {
74    use super::*;
75
76    #[test]
77    fn ls_drops_source_path() {
78        let out = "node    20.10.0  ~/.config/mise/config.toml\npython  3.12.0   ~/.tool-versions\nrust    1.75.0   ~/.config/mise/config.toml";
79        let r = compress("mise ls", out).unwrap();
80        assert!(r.contains("3 tool(s)"), "{r}");
81        assert!(r.contains("node 20.10.0"), "{r}");
82        assert!(!r.contains("config.toml"), "drops source path: {r}");
83    }
84
85    #[test]
86    fn install_keeps_status() {
87        let out = "mise downloading node@20.10.0\nmise extracting node@20.10.0\nmise node@20.10.0 ✓ installed";
88        let r = compress("mise install node", out).unwrap();
89        assert!(r.contains("installed"), "{r}");
90        assert!(!r.contains("extracting"), "drops progress: {r}");
91    }
92
93    #[test]
94    fn empty_is_ok() {
95        assert_eq!(compress("mise ls", "").unwrap(), "mise: ok");
96    }
97}
lean_ctx/core/patterns/mise.rs

lean_ctx/core/patterns/
mise.rs
