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fix(map): raise the git ls-files buffer so large repos keep tracked files #1156

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Merged
DietrichGebert merged 1 commit into from
Oct 17, 2026
+4 −1
Merged

fix(map): raise the git ls-files buffer so large repos keep tracked files #1156

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5 changes: 4 additions & 1 deletion hooks/ponytail-map.js
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,10 @@ const LANG = { py: 'py', js: 'js', jsx: 'js', mjs: 'js', cjs: 'js', ts: 'js', ts

function listFiles(root) {
try {
const tracked = execFileSync('git', ['ls-files'], { cwd: root, encoding: 'utf8', stdio: ['ignore', 'pipe', 'ignore'], timeout: 3000 })
// 64 MiB: in repos with many tracked files `git ls-files` overflows Node's 1 MiB
// default, and the catch below reads that as "not a git repo" and falls back to a
// walk that ignores .gitignore. The list is capped at MAX_FILES * 5 lines anyway.
const tracked = execFileSync('git', ['ls-files'], { cwd: root, encoding: 'utf8', stdio: ['ignore', 'pipe', 'ignore'], timeout: 3000, maxBuffer: 64 * 1024 * 1024 })
.split('\n').filter(Boolean).slice(0, MAX_FILES * 5);
if (tracked.length) return tracked;
} catch (e) { /* not a git repo: walk below */ }
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