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crazy-max merged 1 commit into from
Mar 19, 2026
Merged

buildx(build): support extensible git context attrs #1025

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37 changes: 23 additions & 14 deletions __tests__/buildx/build.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -60,13 +60,14 @@ describe('gitContext', () => {

type GitContextTestCase = {
ref: string;
checksum?: string;
subdir?: string;
attrs?: Record<string, string>;
format: GitContextFormat | undefined;

prHeadRef: boolean;
sendGitQueryAsInput: boolean;
buildxQuerySupport: boolean;
subdir?: string;
keepGitDir?: boolean;
submodules?: boolean;
};

// prettier-ignore
Expand All @@ -82,10 +83,15 @@ describe('gitContext', () => {
[{ref: 'refs/pull/15/merge', format: undefined, prHeadRef: false, sendGitQueryAsInput: true, buildxQuerySupport: true}, 'https://github.com/docker/actions-toolkit.git?ref=refs/pull/15/merge&checksum=860c1904a1ce19322e91ac35af1ab07466440c37'],
[{ref: 'refs/pull/15/merge', format: undefined, prHeadRef: true, sendGitQueryAsInput: true, buildxQuerySupport: true}, 'https://github.com/docker/actions-toolkit.git?ref=refs/pull/15/head&checksum=860c1904a1ce19322e91ac35af1ab07466440c37'],
[{ref: 'refs/heads/master', format: undefined, prHeadRef: false, sendGitQueryAsInput: true, buildxQuerySupport: false}, 'https://github.com/docker/actions-toolkit.git#860c1904a1ce19322e91ac35af1ab07466440c37'],
[{ref: 'refs/heads/master', format: undefined, prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, keepGitDir: true}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=860c1904a1ce19322e91ac35af1ab07466440c37&keep-git-dir=true'],
[{ref: 'refs/heads/master', format: undefined, prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: false, keepGitDir: true}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=860c1904a1ce19322e91ac35af1ab07466440c37&keep-git-dir=true'],
[{ref: 'refs/heads/master', format: undefined, prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, submodules: false}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=860c1904a1ce19322e91ac35af1ab07466440c37&submodules=false'],
[{ref: 'refs/heads/master', format: undefined, prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: false, submodules: false}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=860c1904a1ce19322e91ac35af1ab07466440c37&submodules=false'],
[{ref: 'refs/heads/master', format: undefined, prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, attrs: {}}, 'https://github.com/docker/actions-toolkit.git#860c1904a1ce19322e91ac35af1ab07466440c37'],
[{ref: 'refs/heads/master', checksum: undefined, format: undefined, prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, attrs: {checksum: 'cafebabe'}}, 'https://github.com/docker/actions-toolkit.git#cafebabe'],
[{ref: 'refs/heads/master', format: undefined, prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, attrs: {subdir: 'subdir'}}, 'https://github.com/docker/actions-toolkit.git#860c1904a1ce19322e91ac35af1ab07466440c37:subdir'],
[{ref: 'refs/heads/master', format: undefined, prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, attrs: {ref: 'refs/tags/v1.0.0'}}, 'https://github.com/docker/actions-toolkit.git#860c1904a1ce19322e91ac35af1ab07466440c37'],
[{ref: 'refs/heads/master', format: undefined, prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, attrs: {'keep-git-dir': 'true'}}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=860c1904a1ce19322e91ac35af1ab07466440c37&keep-git-dir=true'],
[{ref: 'refs/heads/master', format: undefined, prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: false, attrs: {'keep-git-dir': 'true'}}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=860c1904a1ce19322e91ac35af1ab07466440c37&keep-git-dir=true'],
[{ref: 'refs/heads/master', checksum: undefined, format: undefined, prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, attrs: {checksum: 'cafebabe', 'keep-git-dir': 'true'}}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=cafebabe&keep-git-dir=true'],
[{ref: 'refs/heads/master', format: undefined, prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, attrs: {submodules: 'false'}}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=860c1904a1ce19322e91ac35af1ab07466440c37&submodules=false'],
[{ref: 'refs/heads/master', format: undefined, prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: false, attrs: {submodules: 'false'}}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=860c1904a1ce19322e91ac35af1ab07466440c37&submodules=false'],
// query format
[{ref: 'refs/heads/master', format: 'query', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=860c1904a1ce19322e91ac35af1ab07466440c37'],
[{ref: 'master', format: 'query', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=860c1904a1ce19322e91ac35af1ab07466440c37'],
Expand All @@ -94,22 +100,26 @@ describe('gitContext', () => {
[{ref: 'refs/pull/15/merge', format: 'query', prHeadRef: true, sendGitQueryAsInput: false, buildxQuerySupport: true}, 'https://github.com/docker/actions-toolkit.git?ref=refs/pull/15/head&checksum=860c1904a1ce19322e91ac35af1ab07466440c37'],
[{ref: 'refs/heads/master', format: 'query', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, subdir: 'subdir'}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=860c1904a1ce19322e91ac35af1ab07466440c37&subdir=subdir'],
[{ref: 'refs/heads/master', format: 'query', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, subdir: '.'}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=860c1904a1ce19322e91ac35af1ab07466440c37'],
[{ref: 'refs/heads/master', format: 'query', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, subdir: 'subdir', keepGitDir: true}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=860c1904a1ce19322e91ac35af1ab07466440c37&subdir=subdir&keep-git-dir=true'],
[{ref: 'refs/heads/master', format: 'query', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, submodules: true}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=860c1904a1ce19322e91ac35af1ab07466440c37&submodules=true'],
[{ref: 'refs/heads/master', format: 'query', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, submodules: false}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=860c1904a1ce19322e91ac35af1ab07466440c37&submodules=false'],
[{ref: 'refs/heads/master', checksum: undefined, format: 'query', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, attrs: {ref: 'refs/tags/v1.0.0', checksum: 'cafebabe', subdir: 'subdir', submodules: 'false'}}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=cafebabe&subdir=subdir&submodules=false'],
[{ref: 'refs/heads/master', format: 'query', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, subdir: 'subdir', attrs: {'keep-git-dir': 'true'}}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=860c1904a1ce19322e91ac35af1ab07466440c37&subdir=subdir&keep-git-dir=true'],
[{ref: 'refs/heads/master', format: 'query', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, attrs: {submodules: 'true'}}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=860c1904a1ce19322e91ac35af1ab07466440c37&submodules=true'],
[{ref: 'refs/heads/master', format: 'query', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, attrs: {submodules: 'false'}}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=860c1904a1ce19322e91ac35af1ab07466440c37&submodules=false'],
[{ref: 'refs/heads/master', format: 'query', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, attrs: {'keep-git-dir': 'true', submodules: 'false'}}, 'https://github.com/docker/actions-toolkit.git?ref=refs/heads/master&checksum=860c1904a1ce19322e91ac35af1ab07466440c37&keep-git-dir=true&submodules=false'],
// fragment format
[{ref: 'refs/heads/master', format: 'fragment', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true}, 'https://github.com/docker/actions-toolkit.git#860c1904a1ce19322e91ac35af1ab07466440c37'],
[{ref: 'master', format: 'fragment', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true}, 'https://github.com/docker/actions-toolkit.git#860c1904a1ce19322e91ac35af1ab07466440c37'],
[{ref: 'refs/pull/15/merge', format: 'fragment', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true}, 'https://github.com/docker/actions-toolkit.git#refs/pull/15/merge'],
[{ref: 'refs/tags/v1.0.0', format: 'fragment', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true}, 'https://github.com/docker/actions-toolkit.git#860c1904a1ce19322e91ac35af1ab07466440c37'],
[{ref: 'refs/pull/15/merge', format: 'fragment', prHeadRef: true, sendGitQueryAsInput: false, buildxQuerySupport: true}, 'https://github.com/docker/actions-toolkit.git#refs/pull/15/head'],
[{ref: 'refs/heads/master', checksum: undefined, format: 'fragment', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, attrs: {checksum: 'cafebabe', subdir: 'subdir', ref: 'refs/tags/v1.0.0'}}, 'https://github.com/docker/actions-toolkit.git#cafebabe:subdir'],
[{ref: 'refs/heads/master', format: 'fragment', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, attrs: {'keep-git-dir': 'true'}}, 'https://github.com/docker/actions-toolkit.git#860c1904a1ce19322e91ac35af1ab07466440c37'],
[{ref: 'refs/heads/master', format: 'fragment', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, subdir: 'subdir'}, 'https://github.com/docker/actions-toolkit.git#860c1904a1ce19322e91ac35af1ab07466440c37:subdir'],
[{ref: 'refs/heads/master', format: 'fragment', prHeadRef: false, sendGitQueryAsInput: false, buildxQuerySupport: true, subdir: '.'}, 'https://github.com/docker/actions-toolkit.git#860c1904a1ce19322e91ac35af1ab07466440c37'],
[{ref: 'refs/pull/15/merge', format: 'fragment', prHeadRef: true, sendGitQueryAsInput: false, buildxQuerySupport: true, subdir: 'subdir'}, 'https://github.com/docker/actions-toolkit.git#refs/pull/15/head:subdir'],
];

test.each(gitContextCases)('given %o should return %o', async (input: GitContextTestCase, expected: string) => {
const {ref, format, prHeadRef, sendGitQueryAsInput, buildxQuerySupport, subdir, keepGitDir, submodules} = input;
const {ref, checksum, format, prHeadRef, sendGitQueryAsInput, buildxQuerySupport, subdir, attrs} = input;
process.env.DOCKER_DEFAULT_GIT_CONTEXT_PR_HEAD_REF = prHeadRef ? 'true' : '';
process.env.BUILDX_SEND_GIT_QUERY_AS_INPUT = sendGitQueryAsInput ? 'true' : '';
const buildx = new Buildx();
Expand All @@ -118,11 +128,10 @@ describe('gitContext', () => {
expect(
await build.gitContext({
ref,
checksum: '860c1904a1ce19322e91ac35af1ab07466440c37',
...('checksum' in input ? {checksum} : {checksum: '860c1904a1ce19322e91ac35af1ab07466440c37'}),
format,
subdir,
keepGitDir,
submodules
attrs
})
).toEqual(expected);
});
Expand Down
32 changes: 19 additions & 13 deletions src/buildx/build.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -42,8 +42,7 @@ export interface GitContextOpts {
ref?: string;
checksum?: string;
subdir?: string;
keepGitDir?: boolean;
submodules?: boolean;
attrs?: Record<string, string>;
format?: GitContextFormat;
}

Expand All @@ -59,19 +58,29 @@ export class Build {
}

public async gitContext(opts?: GitContextOpts): Promise<string> {
const gitContextCommonAttrs = new Set(['ref', 'checksum', 'subdir']);
const setPullRequestHeadRef = Util.parseBoolOrDefault(process.env.DOCKER_DEFAULT_GIT_CONTEXT_PR_HEAD_REF);
const gitChecksum = opts?.checksum || github.context.sha;
let ref = opts?.ref || github.context.ref;
const commonAttrs = {
ref: opts?.attrs?.ref,
checksum: opts?.attrs?.checksum,
subdir: opts?.attrs?.subdir
};

const gitChecksum = opts?.checksum || commonAttrs.checksum || github.context.sha;
let ref = opts?.ref || commonAttrs.ref || github.context.ref;
const subdir = opts?.subdir || commonAttrs.subdir;
const attrs = Object.entries(opts?.attrs || {}).filter(([name]) => !gitContextCommonAttrs.has(name));
if (!ref.startsWith('refs/')) {
ref = `refs/heads/${ref}`;
} else if (ref.startsWith(`refs/pull/`) && setPullRequestHeadRef) {
ref = ref.replace(/\/merge$/g, '/head');
}

const baseURL = `${GitHub.serverURL}/${github.context.repo.owner}/${github.context.repo.repo}.git`;
let format = opts?.format;
if (!format) {
const sendGitQueryAsInput = Util.parseBoolOrDefault(process.env.BUILDX_SEND_GIT_QUERY_AS_INPUT);
if (opts?.keepGitDir || typeof opts?.submodules !== 'undefined') {
if (attrs.length > 0) {
format = 'query';
} else if (sendGitQueryAsInput && (await this.buildx.versionSatisfies('>=0.29.0'))) {
format = 'query';
Expand All @@ -84,19 +93,16 @@ export class Build {
if (gitChecksum) {
query.push(`checksum=${gitChecksum}`);
}
if (opts?.subdir && opts.subdir !== '.') {
query.push(`subdir=${opts.subdir}`);
}
if (typeof opts?.keepGitDir !== 'undefined') {
query.push(`keep-git-dir=${opts.keepGitDir}`);
if (subdir && subdir !== '.') {
query.push(`subdir=${subdir}`);
}
if (typeof opts?.submodules !== 'undefined') {
query.push(`submodules=${opts.submodules}`);
for (const [name, value] of attrs) {
query.push(`${name}=${value}`);
}
return `${baseURL}?${query.join('&')}`;
}
const fragmentRef = gitChecksum && !ref.startsWith(`refs/pull/`) ? gitChecksum : ref;
return `${baseURL}#${fragmentRef}${opts?.subdir && opts.subdir !== '.' ? `:${opts.subdir}` : ''}`;
return `${baseURL}#${fragmentRef}${subdir && subdir !== '.' ? `:${subdir}` : ''}`;
}

public getImageIDFilePath(): string {
Expand Down
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