read bake definition files from remote context support

.github/workflows/ci.yml

@@ -51,10 +51,6 @@ jobs:
           targets: |
             ${{ matrix.target }}
           push: false # set to true when https://github.com/docker/buildx/issues/179 is fixed
-      -
-        name: Dump context
-        if: always()
-        uses: crazy-max/ghaction-dump-context@v1
 
   error-msg:
     runs-on: ubuntu-latest
@@ -71,10 +67,6 @@ jobs:
             ./test/config.hcl
           set: |
             *.platform=linux/amd64,linux/ppc64le,linux/s390x
-      -
-        name: Dump context
-        if: always()
-        uses: crazy-max/ghaction-dump-context@v1
 
   error-check:
     runs-on: ubuntu-latest
@@ -102,10 +94,6 @@ jobs:
             echo "::error::Should have failed"
             exit 1
           fi
-      -
-        name: Dump context
-        if: always()
-        uses: crazy-max/ghaction-dump-context@v1
 
   standalone:
     runs-on: ubuntu-latest
@@ -126,3 +114,16 @@ jobs:
         with:
           files: |
             ./test/config.hcl
+
+  source:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v3
+      -
+        name: Build
+        uses: ./
+        with:
+          source: https://github.com/docker/buildx.git#v0.8.2
+          targets: update-docs

README.md

@@ -78,16 +78,17 @@ Following inputs can be used as `step.with` keys
 > targets: default,release
 > ```
 
-| Name             | Type     | Description                        |
-|------------------|----------|------------------------------------|
-| `builder`        | String   | Builder instance (see [setup-buildx](https://github.com/docker/setup-buildx-action) action) |
-| `files`          | List/CSV | List of [bake definition files](https://github.com/docker/buildx/blob/master/docs/reference/buildx_bake.md#file) |
-| `targets`        | List/CSV | List of bake targets |
-| `no-cache`       | Bool     | Do not use cache when building the image (default `false`) |
-| `pull`           | Bool     | Always attempt to pull a newer version of the image (default `false`) |
-| `load`           | Bool     | Load is a shorthand for `--set=*.output=type=docker` (default `false`) |
-| `push`           | Bool     | Push is a shorthand for `--set=*.output=type=registry` (default `false`) |
-| `set`            | List     | List of [targets values to override](https://github.com/docker/buildx/blob/master/docs/reference/buildx_bake.md#set) (eg: `targetpattern.key=value`) |
+| Name       | Type     | Description                                                                                                                                          |
+|------------|----------|------------------------------------------------------------------------------------------------------------------------------------------------------|
+| `builder`  | String   | Builder instance (see [setup-buildx](https://github.com/docker/setup-buildx-action) action)                                                          |
+| `files`    | List/CSV | List of [bake definition files](https://github.com/docker/buildx/blob/master/docs/reference/buildx_bake.md#file)                                     |
+| `targets`  | List/CSV | List of bake targets                                                                                                                                 |
+| `no-cache` | Bool     | Do not use cache when building the image (default `false`)                                                                                           |
+| `pull`     | Bool     | Always attempt to pull a newer version of the image (default `false`)                                                                                |
+| `load`     | Bool     | Load is a shorthand for `--set=*.output=type=docker` (default `false`)                                                                               |
+| `push`     | Bool     | Push is a shorthand for `--set=*.output=type=registry` (default `false`)                                                                             |
+| `set`      | List     | List of [targets values to override](https://github.com/docker/buildx/blob/master/docs/reference/buildx_bake.md#set) (eg: `targetpattern.key=value`) |
+| `source`   | String   | [Remote bake definition](https://github.com/docker/buildx/blob/master/docs/guides/bake/file-definition.md#remote-definition) to build from           |
 
 ### outputs
 

action.yml

@@ -35,6 +35,9 @@ inputs:
   set:
     description: "List of targets values to override (eg. targetpattern.key=value)"
     required: false
+  source:
+    description: "Remote bake definition to build from"
+    required: false
 
 outputs:
   metadata:

src/context.ts

@@ -18,6 +18,7 @@ export interface Inputs {
   load: boolean;
   push: boolean;
   set: string[];
+  source: string;
 }
 
 export function tmpDir(): string {
@@ -40,7 +41,8 @@ export async function getInputs(): Promise<Inputs> {
     pull: core.getBooleanInput('pull'),
     load: core.getBooleanInput('load'),
     push: core.getBooleanInput('push'),
-    set: getInputList('set', true)
+    set: getInputList('set', true),
+    source: core.getInput('source')
   };
 }
 
@@ -55,6 +57,9 @@ export async function getArgs(inputs: Inputs, buildxVersion: string): Promise<Ar
 
 async function getBakeArgs(inputs: Inputs, buildxVersion: string): Promise<Array<string>> {
   const args: Array<string> = ['bake'];
+  if (inputs.source) {
+    args.push(inputs.source);
+  }
   await asyncForEach(inputs.files, async file => {
     args.push('--file', file);
   });