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fix: handle detached head error

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This commit is contained in:
copilot-swe-agent[bot]
2025-12-23 16:14:05 +00:00
committed by Emilien Escalle
parent 3984b38120
commit 945d269b25
2 changed files with 33 additions and 4 deletions
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10
src/git.ts
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@@ -124,18 +124,20 @@ export class Git {
const res = await Git.exec(['show', '-s', '--pretty=%D']);
core.debug(`detached HEAD ref: ${res}`);
if (res === 'HEAD') {
const normalizedRef = res.replace(/^grafted, /, '').trim();
if (normalizedRef === 'HEAD') {
return await Git.inferRefFromHead();
}
// Can be "HEAD, <tagname>" or "grafted, HEAD, <tagname>"
const refMatch = res.match(/^(grafted, )?HEAD, (.*)$/);
const refMatch = normalizedRef.match(/^HEAD, (.*)$/);
if (!refMatch || !refMatch[2]) {
if (!refMatch || !refMatch[1]) {
throw new Error(`Cannot find detached HEAD ref in "${res}"`);
}
const ref = refMatch[2].trim();
const ref = refMatch[1].trim();
// Tag refs are formatted as "tag: <tagname>"
if (ref.startsWith('tag: ')) {