Files
deepseek-harness/scripts/translation-pairing-git.ts

38 lines
1.5 KiB
TypeScript

/** Git-blob operations owned by the bilingual pairing workflow. */
import { spawnSync } from 'node:child_process'
import { createHash } from 'node:crypto'
/** Full SHA-1 Git blob hash (the 40-hex format used by pairing records). */
export function gitBlobHash(content: Buffer): string {
const hash = createHash('sha1')
hash.update(`blob ${content.byteLength}\0`)
hash.update(content)
return hash.digest('hex')
}
/**
* 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
* commit. The returned object ID is checked against the pairing format's own
* content hash before the caller writes a sidecar.
*/
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()
if (stored !== expected) {
throw new Error(`git hash-object -w --stdin returned unexpected object ID ${JSON.stringify(stored)}; expected ${expected}`)
}
return stored
}