refactor: use new gitContext for bake source resolution

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

.github/workflows/ci.yml

@@ -445,6 +445,31 @@ jobs:
       -
         name: Build
         uses: ./
+        with:
+          files: |
+            ./test/config.hcl
+
+  git-context-query:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
+        with:
+          version: v0.33.0
+          driver-opts: |
+            image=${{ inputs.buildkit-image || env.BUILDKIT_IMAGE }}
+      -
+        name: Build
+        uses: ./
+        with:
+          files: |
+            ./test/config.hcl
+        env:
+          BUILDX_SEND_GIT_QUERY_AS_INPUT: true
 
   git-context-and-local:
     runs-on: ubuntu-latest
@@ -468,6 +493,7 @@ jobs:
         uses: ./
         with:
           files: |
+            ./test/config.hcl
             cwd://${{ steps.meta.outputs.bake-file }}
 
   multi-output:

__tests__/context.test.ts

@@ -4,6 +4,7 @@ import * as os from 'os';
 import * as path from 'path';
 
 import {Bake} from '@docker/actions-toolkit/lib/buildx/bake.js';
+import {Build} from '@docker/actions-toolkit/lib/buildx/build.js';
 import {Builder} from '@docker/actions-toolkit/lib/buildx/builder.js';
 import {Buildx} from '@docker/actions-toolkit/lib/buildx/buildx.js';
 import {Docker} from '@docker/actions-toolkit/lib/docker/docker.js';
@@ -39,6 +40,55 @@ vi.spyOn(Bake.prototype, 'getDefinition').mockImplementation(async (): Promise<B
   return <BakeDefinition>JSON.parse(fs.readFileSync(path.join(fixturesDir, 'bake-def.json'), {encoding: 'utf-8'}).trim());
 });
 
+describe('getInputs', () => {
+  const originalEnv = process.env;
+
+  beforeEach(() => {
+    process.env = Object.keys(process.env).reduce((object, key) => {
+      if (!key.startsWith('INPUT_')) {
+        object[key] = process.env[key];
+      }
+      return object;
+    }, {});
+  });
+
+  afterEach(() => {
+    process.env = originalEnv;
+  });
+
+  function setRequiredBooleanInputs(): void {
+    setInput('no-cache', 'false');
+    setInput('pull', 'false');
+    setInput('load', 'false');
+    setInput('push', 'false');
+  }
+
+  test('uses Build git context when source input is empty', async () => {
+    const gitContext = 'https://github.com/docker/bake-action.git?ref=refs/heads/master&checksum=0123456789abcdef';
+    const gitContextSpy = vi.spyOn(Build.prototype, 'gitContext').mockResolvedValue(gitContext);
+    setRequiredBooleanInputs();
+    const inputs = await context.getInputs();
+    expect(inputs.source).toEqual({
+      remoteRef: gitContext
+    });
+    expect(gitContextSpy).toHaveBeenCalledTimes(1);
+    gitContextSpy.mockRestore();
+  });
+
+  test('renders defaultContext source templates from Build git context', async () => {
+    const gitContext = 'https://github.com/docker/bake-action.git#refs/heads/master';
+    const gitContextSpy = vi.spyOn(Build.prototype, 'gitContext').mockResolvedValue(gitContext);
+    setRequiredBooleanInputs();
+    setInput('source', '{{defaultContext}}:subdir');
+    const inputs = await context.getInputs();
+    expect(inputs.source).toEqual({
+      remoteRef: `${gitContext}:subdir`
+    });
+    expect(gitContextSpy).toHaveBeenCalledTimes(1);
+    gitContextSpy.mockRestore();
+  });
+});
+
 describe('getArgs', () => {
   const originalEnv = process.env;
   beforeEach(() => {
@@ -343,6 +393,54 @@ describe('getArgs', () => {
         ['BUILDX_NO_DEFAULT_ATTESTATIONS', '1']
       ])
     ],
+    [
+      15,
+      '0.29.0',
+      new Map<string, string>([
+        ['load', 'false'],
+        ['no-cache', 'false'],
+        ['push', 'false'],
+        ['pull', 'false'],
+        ['files', './foo.hcl'],
+      ]),
+      [
+        'bake',
+        'https://github.com/docker/bake-action.git?ref=refs/heads/master',
+        '--allow', 'fs=*',
+        '--file', './foo.hcl',
+        '--metadata-file', metadataJson,
+        '--set', `lint.attest=type=provenance,mode=min,inline-only=true,builder-id=https://github.com/docker/bake-action/actions/runs/123456789/attempts/1`,
+        '--set', `validate-docs.attest=type=provenance,mode=min,inline-only=true,builder-id=https://github.com/docker/bake-action/actions/runs/123456789/attempts/1`,
+        '--set', `validate-vendor.attest=type=provenance,mode=min,inline-only=true,builder-id=https://github.com/docker/bake-action/actions/runs/123456789/attempts/1`
+      ],
+      new Map<string, string>([
+        ['BUILDX_SEND_GIT_QUERY_AS_INPUT', 'true']
+      ])
+    ],
+    [
+      16,
+      '0.28.0',
+      new Map<string, string>([
+        ['load', 'false'],
+        ['no-cache', 'false'],
+        ['push', 'false'],
+        ['pull', 'false'],
+        ['files', './foo.hcl'],
+      ]),
+      [
+        'bake',
+        'https://github.com/docker/bake-action.git#refs/heads/master',
+        '--allow', 'fs=*',
+        '--file', './foo.hcl',
+        '--metadata-file', metadataJson,
+        '--set', `lint.attest=type=provenance,mode=min,inline-only=true,builder-id=https://github.com/docker/bake-action/actions/runs/123456789/attempts/1`,
+        '--set', `validate-docs.attest=type=provenance,mode=min,inline-only=true,builder-id=https://github.com/docker/bake-action/actions/runs/123456789/attempts/1`,
+        '--set', `validate-vendor.attest=type=provenance,mode=min,inline-only=true,builder-id=https://github.com/docker/bake-action/actions/runs/123456789/attempts/1`
+      ],
+      new Map<string, string>([
+        ['BUILDX_SEND_GIT_QUERY_AS_INPUT', 'true']
+      ])
+    ],
   ])(
     '[%d] given %o with %o as inputs, returns %o',
     async (num: number, buildxVersion: string, inputs: Map<string, string>, expected: Array<string>, envs: Map<string, string> | undefined) => {

src/context.ts

@@ -4,7 +4,6 @@ import * as handlebars from 'handlebars';
 
 import {Bake} from '@docker/actions-toolkit/lib/buildx/bake.js';
 import {Build} from '@docker/actions-toolkit/lib/buildx/build.js';
-import {Context} from '@docker/actions-toolkit/lib/context.js';
 import {GitHub} from '@docker/actions-toolkit/lib/github/github.js';
 import {Toolkit} from '@docker/actions-toolkit/lib/toolkit.js';
 import {Util} from '@docker/actions-toolkit/lib/util.js';
@@ -46,7 +45,7 @@ export async function getInputs(): Promise<Inputs> {
     push: core.getBooleanInput('push'),
     sbom: core.getInput('sbom'),
     set: Util.getInputList('set', {ignoreComma: true, quote: false}),
-    source: getBakeContext(core.getInput('source')),
+    source: await getBakeContext(core.getInput('source')),
     targets: Util.getInputList('targets'),
     'github-token': core.getInput('github-token')
   };
@@ -139,12 +138,13 @@ async function getCommonArgs(inputs: Inputs): Promise<Array<string>> {
   return args;
 }
 
-function getBakeContext(sourceInput: string): BakeContext {
+async function getBakeContext(sourceInput: string): Promise<BakeContext> {
+  const defaultContext = await new Build().gitContext();
   let bakeContext = handlebars.compile(sourceInput)({
-    defaultContext: Context.gitContext()
+    defaultContext: defaultContext
   });
   if (!bakeContext) {
-    bakeContext = Context.gitContext();
+    bakeContext = defaultContext;
   }
   if (Util.isValidRef(bakeContext)) {
     return {

test/config.hcl

@@ -6,21 +6,26 @@ group "release" {
   targets = ["db", "app-plus"]
 }
 
+# Special target: https://github.com/docker/metadata-action#bake-definition
+target "docker-metadata-action" {
+  tags = [
+    "localhost:5000/name/app:latest",
+    "localhost:5000/name/app:1.0.0"
+  ]
+}
+
 target "db" {
   context = "./test"
   tags = ["docker.io/tonistiigi/db"]
 }
 
 target "app" {
+  inherits = ["docker-metadata-action"]
   context = "./test"
   dockerfile = "Dockerfile"
   args = {
     name = "foo"
   }
-  tags = [
-    "localhost:5000/name/app:latest",
-    "localhost:5000/name/app:1.0.0"
-  ]
 }
 
 target "cross" {