refactor: make rockcraft-pack follow new call conventions

common/package.json

@@ -0,0 +1,18 @@
+{
+  "name": "@craft-actions/common",
+  "version": "0.0.1",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "test": "vitest run"
+  },
+  "exports": {
+    "./craft-builder.ts": "./src/craft-builder.ts",
+    "./pack-action.ts": "./src/pack-action.ts",
+    "./tools.ts": "./src/tools.ts"
+  },
+  "dependencies": {
+    "@actions/core": "^1.10.1",
+    "@actions/exec": "^1.1.1"
+  }
+}

package.json

@@ -8,8 +8,8 @@
     "test": "tests"
   },
   "scripts": {
-    "build": "pnpm node build.js src/rockcraft-pack.ts dist/rockcraft-pack/index.js",
-    "test": "vitest run",
+    "build": "pnpm -r --if-present run build",
+    "test": "pnpm -r run test",
     "format": "prettier --write **/*.ts",
     "format-check": "prettier --check **/*.ts",
     "lint": "eslint .; ESLINT=$?; tsc --noEmit; TSC=$?; exit $((ESLINT | TSC))",

pnpm-workspace.yaml

@@ -1,2 +1,6 @@
+packages:
+  - "common"
+  - "rockcraft/pack"
+
 allowBuilds:
   esbuild: true

rockcraft-pack/action.yml

@@ -1,3 +1,5 @@
+# This file exists as a compatibility shim since this repository was not being versioned to allow breakages.
+
 name: 'Build a rock'
 description: 'Pack an OCI image with Rockcraft'
 author: 'Canonical'
@@ -50,9 +52,44 @@ inputs:
 outputs:
   rock:
     description: 'The file name of the resulting rock.'
+    value: ${{ steps.pack.outputs.rock }}
 runs:
-  using: 'node24'
-  main: '../dist/rockcraft-pack/index.js'
+  using: 'composite'
+  steps:
+    - name: Deprecation notice
+      shell: bash
+      run: |
+          echo "::warning::rockcraft-pack is deprecated and will be removed in a future release. Please migrate to rockcraft/pack instead."
+    # This action is necessary as a workaround for https://github.com/actions/runner/issues/895.
+    # Since contexts cannot be used in the `uses:` key, we can't guarantee that this action will
+    # use the same branch of craft-actions to call other craft-actions workflows without just
+    # making our own local copy of the repository. See https://github.com/canonical/craft-actions/pull/45#discussion_r2586507869
+    # for a full explanation.
+    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      env:
+        GITHUB_REF: ${{ github.action_ref }}
+      with:
+        repository: 'canonical/craft-actions'
+        ref: ${{ env.GITHUB_REF }}
+        path: _tmp_craft-actions
+        sparse-checkout: |
+          rockcraft/
+
+    - uses: ./_tmp_craft-actions/rockcraft/pack
+      id: pack
+      with:
+        path: ${{ inputs.path }}
+        verbosity: ${{ inputs.verbosity }}
+        rockcraft-channel: ${{ inputs.rockcraft-channel }}
+        revision: ${{ inputs.revision }}
+        test: ${{ inputs.test }}
+        pro: ${{ inputs.pro }}
+        ignore: ${{ inputs.ignore }}
+
+    - shell: bash
+      if: always()
+      run: |
+        rm -rf ./_tmp_craft-actions
 branding:
   icon: layers
   color: orange

rockcraft/pack/action.yaml

@@ -0,0 +1,58 @@
+name: 'Build a rock'
+description: 'Pack an OCI image with Rockcraft'
+author: 'Canonical'
+inputs:
+  path:
+    description: >
+      The location of the Rockcraft project.
+
+      Defaults to the base of the repository.
+    default: '.'
+  verbosity:
+    description: >
+      Set the build verbosity level to 'quiet', 'brief', 'verbose', 'debug' or
+      'trace'.
+
+      The default is 'trace'.
+    default: 'trace'
+  rockcraft-channel:
+    description: >
+      Install the snap from a specific channel
+
+      If not provided, it defaults to stable.
+    default: 'stable'
+  revision:
+    description: >
+      Pin the snap revision to install.
+
+      If not provided, it defaults to whatever revision is in latest/stable.
+    default: ''
+  test:
+    description: >
+      Run rockcraft test when packing the rock.
+
+      If not provided, it defaults to false.
+    default: 'false'
+  pro:
+    description: >
+      The Ubuntu Pro services to enable when packing the rock.
+
+      If not provided, no Ubuntu Pro services will be enabled.
+    default: ''
+  ignore:
+    description: >
+      Bypass a restriction to use an unsupported feature.
+
+      For example, 'unmaintained' will ignore that the base is unmaintained.
+
+      If not provided, it defaults to empty.
+    default: ''
+outputs:
+  rock:
+    description: 'The file name of the resulting rock.'
+runs:
+  using: 'node24'
+  main: 'dist/index.js'
+branding:
+  icon: layers
+  color: orange