repopilot 0.20.0

Local-first CLI for reviewing Git changes, security boundaries, and blast radius before merge.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139

use crate::facts::RepoFactsSummary;
use std::fmt::Write as FmtWrite;

pub(super) const MAX_LANGUAGES: usize = 5;

pub(super) fn render_summary(out: &mut String, summary: &RepoFactsSummary) {
    let _ = writeln!(out, "## Repository Facts Summary\n");

    if summary.total_files == 0 {
        let _ = writeln!(out, "- No repository file facts were collected.");
        let _ = writeln!(out, "- Fact diagnostics: {}\n", summary.diagnostics_count);
        return;
    }

    let _ = writeln!(out, "- Files: {}", summary.total_files);
    let _ = writeln!(
        out,
        "- Files with detected language: {}",
        summary.files_with_language
    );
    let _ = writeln!(out, "- Non-empty lines: {}", summary.total_non_empty_lines);
    let _ = writeln!(out, "- Fact diagnostics: {}", summary.diagnostics_count);

    if !summary.languages.is_empty() {
        let _ = writeln!(out, "\nTop languages:");
        for language in summary.languages.iter().take(MAX_LANGUAGES) {
            let file_label = if language.files == 1 { "file" } else { "files" };
            let _ = writeln!(
                out,
                "- {}: {} {}, {} non-empty lines",
                language.language, language.files, file_label, language.non_empty_lines
            );
        }
    }

    out.push('\n');
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::facts::{
        FactConfidence, FactDiagnostic, FactSource, FileFact, RepoFacts, repo_facts_from_scan,
        summarize_repo_facts,
    };
    use crate::scan::facts::{FileFacts, ScanFacts};
    use std::path::PathBuf;

    #[test]
    fn renders_empty_state_with_diagnostic_count() {
        let mut output = String::new();
        render_summary(
            &mut output,
            &RepoFactsSummary {
                diagnostics_count: 2,
                ..RepoFactsSummary::default()
            },
        );

        assert!(output.contains("## Repository Facts Summary"));
        assert!(output.contains("- No repository file facts were collected."));
        assert!(output.contains("- Fact diagnostics: 2"));
    }

    #[test]
    fn renders_aggregate_facts_without_raw_paths() {
        let raw_path = PathBuf::from("/private/repo/src/lib.rs");
        let scan = ScanFacts {
            root_path: PathBuf::from("/private/repo"),
            files: vec![
                FileFacts {
                    path: raw_path.clone(),
                    language: Some("Rust".to_string()),
                    non_empty_lines: 42,
                    branch_count: 0,
                    imports: Vec::new(),
                    content: None,
                    has_inline_tests: false,
                    in_executable_package: false,
                    deferred_imports: Vec::new(),
                },
                FileFacts {
                    path: PathBuf::from("/private/repo/README"),
                    language: None,
                    non_empty_lines: 8,
                    branch_count: 0,
                    imports: Vec::new(),
                    content: None,
                    has_inline_tests: false,
                    in_executable_package: false,
                    deferred_imports: Vec::new(),
                },
            ],
            ..ScanFacts::default()
        };
        let facts = repo_facts_from_scan(&scan);
        let mut summary = summarize_repo_facts(&facts);
        summary.diagnostics_count = 1;

        let mut output = String::new();
        render_summary(&mut output, &summary);

        assert!(output.contains("## Repository Facts Summary"));
        assert!(output.contains("- Files: 2"));
        assert!(output.contains("- Files with detected language: 1"));
        assert!(output.contains("- Non-empty lines: 50"));
        assert!(output.contains("- Fact diagnostics: 1"));
        assert!(output.contains("- Rust: 1 file, 42 non-empty lines"));
        assert!(!output.contains(&raw_path.display().to_string()));
    }

    #[test]
    fn limits_language_output_to_five_entries() {
        let facts = RepoFacts {
            files: (0..6)
                .map(|index| FileFact {
                    path: PathBuf::from(format!("file-{index}")),
                    language: Some(format!("Language-{index}")),
                    non_empty_lines: 10 - index,
                    source: FactSource::Mixed,
                    confidence: FactConfidence::High,
                })
                .collect(),
            diagnostics: vec![FactDiagnostic {
                code: "facts.example".to_string(),
                message: "example".to_string(),
                path: None,
            }],
            ..RepoFacts::default()
        };
        let summary = summarize_repo_facts(&facts);

        let mut output = String::new();
        render_summary(&mut output, &summary);

        assert_eq!(output.matches("- Language-").count(), MAX_LANGUAGES);
        assert!(!output.contains("- Language-5:"));
    }
}