1import * as _ from 'lodash-es'
2import { ptDir } from '../../serverF/ptDirF.mts'
3import { tsAbsPath, type absFileDirPath } from '../../ptDirF.mts'
4import { exec1FileThrow } from '../../serverF/childProcF/spawnF.mts'
5import { fileExists, mkdirParentP } from '../../serverF/libFs/mkdirpF.mts'
6import { calcShortHash } from '../../serverF/calc1ShortHashF.mts'
7import { write1File } from '../../serverF/libFs/write1FileF.mts'
8import { getTarCmd } from './getTarCmdF.mts'
9
10type CtxTarSpec = { tarPath: string }
11
12// minimal docker build context for local builds: the Dockerfile (at tar root) + the already-baked
13// tmpdockertars/*.tar.gz it ADDs. Avoids sending all of ptDir (5GB+) as context. Mirrors kaniko's
14// localctx but uses tarPath (local builds need no in-container reconstruction). Hash-cached.
15// --format=ustar + COPYFILE_DISABLE avoid bsdtar PAX headers / macOS xattrs that the docker daemon
16// can't parse/restore when the context is supplied via stdin.
17export const genLocalDockerCtxTar = async ({dockerfileContent, tarSpecsA}: {dockerfileContent: string, tarSpecsA: CtxTarSpec[]}) => {
18  const tarPaths = _.uniq(tarSpecsA.map(ts => ts.tarPath).filter(Boolean) as string[])
19  const sha = calcShortHash(dockerfileContent + '\n' + tarPaths.sort().join('\n'))
20  const stageRel = `tmpdockertars/.ldc-stage-${sha}`
21  const ctxTarRel = `tmpdockertars/localdockerctx-${sha}.tar`
22  const ctxTarAbs = `${ptDir}/${ctxTarRel}`
23  if (!await fileExists(tsAbsPath(ctxTarRel))) {
24    mkdirParentP(`${stageRel}/Dockerfile`)
25    await write1File(tsAbsPath(`${stageRel}/Dockerfile`) as absFileDirPath, dockerfileContent)
26    await exec1FileThrow(
27      [getTarCmd(), '--format=ustar', '-cf', ctxTarAbs, '-C', `${ptDir}/${stageRel}`, 'Dockerfile', '-C', ptDir, ...tarPaths],
28      {env: {...process.env, COPYFILE_DISABLE: '1'}},
29    )
30  }
31  return ctxTarAbs
32}
33