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fix(i18n): pin translation snapshots against gc

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This commit is contained in:
ZiyaZhang
2026-07-28 10:28:49 -07:00
parent e59e2f6192
commit 612b527cd2
8 changed files with 38 additions and 21 deletions
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35
scripts/translation-pairing-git.ts
View File

@@ -3,6 +3,8 @@
import { spawnSync } from 'node:child_process'
import { createHash } from 'node:crypto'
const SNAPSHOT_REF_PREFIX = 'refs/dsh/translation-pairing/snapshots'
/** Full SHA-1 Git blob hash (the 40-hex format used by pairing records). */
export function gitBlobHash(content: Buffer): string {
const hash = createHash('sha1')
@@ -11,6 +13,20 @@ export function gitBlobHash(content: Buffer): string {
return hash.digest('hex')
}
function runGit(root: string, args: string[], operation: string, input?: Buffer): Buffer {
const result = spawnSync('git', ['-C', root, ...args], {
input,
maxBuffer: 1 << 26,
})
if (result.error) {
throw new Error(`${operation} failed: ${result.error.message}`, { cause: result.error })
}
if (result.status !== 0) {
throw new Error(`${operation} failed with status ${String(result.status)}: ${result.stderr.toString('utf8').trim()}`)
}
return result.stdout
}
/**
* Persist exact working-tree bytes so a pairing record can later recover them
* with `git cat-file`, even when they have never appeared in the index or a
@@ -19,19 +35,16 @@ export function gitBlobHash(content: Buffer): string {
*/
export function storeGitBlob(root: string, content: Buffer): string {
const expected = gitBlobHash(content)
const result = spawnSync('git', ['-C', root, 'hash-object', '-w', '--stdin'], {
input: content,
maxBuffer: 1 << 26,
})
if (result.error) {
throw new Error(`git hash-object -w --stdin failed: ${result.error.message}`, { cause: result.error })
}
if (result.status !== 0) {
throw new Error(`git hash-object -w --stdin failed with status ${String(result.status)}: ${result.stderr.toString('utf8').trim()}`)
}
const stored = result.stdout.toString('utf8').trim()
const stored = runGit(root, ['hash-object', '-w', '--stdin'], 'git hash-object -w --stdin', content)
.toString('utf8')
.trim()
if (stored !== expected) {
throw new Error(`git hash-object -w --stdin returned unexpected object ID ${JSON.stringify(stored)}; expected ${expected}`)
}
runGit(
root,
['update-ref', `${SNAPSHOT_REF_PREFIX}/${stored}`, stored],
'git update-ref for translation snapshot',
)
return stored
}

4
scripts/translation-pairing.spec.ts
View File

@@ -45,6 +45,10 @@ describe('translation pairing snapshots', () => {
const objectId = storeGitBlob(root, content)
expect(objectId).toBe(gitBlobHash(content))
expect(execFileSync('git', [
'-C', root, 'rev-parse', `refs/dsh/translation-pairing/snapshots/${objectId}`,
], { encoding: 'utf8' }).trim()).toBe(objectId)
execFileSync('git', ['-C', root, 'gc', '--prune=now'])
expect(execFileSync('git', ['-C', root, 'cat-file', '-p', objectId])).toEqual(content)
} finally {
rmSync(root, { recursive: true, force: true })