Refactor action to support multiple usecases

Signed-off-by: Marco Franssen <marco.franssen@philips.com>

.github/workflows/ci.yaml

@@ -134,9 +134,11 @@ jobs:
       - name: Generate provenance for Release
         uses: philips-labs/slsa-provenance-action@v0.4.0
         with:
-          sub-command: github-release
-          artifact_path: release-assets
-          output_path: 'provenance.json'
-          tag_name: ${{ github.ref_name }}
+          command: generate
+          subcommand: github-release
+          arguments: |
+            --artifact-path release-assets \
+            --output-path provenance.json \
+            --tag-name ${{ github.ref_name }}
         env:
           GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

.github/workflows/example-publish.yaml

@@ -28,7 +28,11 @@ jobs:
       - name: Generate provenance
         uses: philips-labs/slsa-provenance-action@v0.4.0
         with:
-          artifact_path: artifact/
+          command: generate
+          subcommand: files
+          arguments: |
+            --artifact-path artifact/ \
+            --output-path provenance.json
 
       - name: Upload provenance
         uses: actions/upload-artifact@v2

README.md

@@ -147,9 +147,12 @@ The easiest way to use this action is to add the following into your workflow fi
       - name: Generate provenance for Release
         uses: philips-labs/slsa-provenance-action@v0.4.0
         with:
-          artifact_path: release-assets
-          output_path: 'provenance.json'
-          tag_name: ${{ github.ref_name }}
+          command: generate
+          subcommand: files
+          arguments: |
+            --artifact-path release-assets \
+            --output-path 'provenance.json' \
+            --tag-name: ${{ github.ref_name }}
         env:
           GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
   ```

action.yaml

@@ -4,17 +4,14 @@ branding:
   icon: lock
   color: purple
 inputs:
+  command:
+    description: 'The command to use (available options: generate)'
+    required: false
+    default: 'generate'
   subcommand:
     description: 'The subcommand to use when generating provenance'
     required: false
     default: 'files'
-  artifact_path:
-    description: 'path to artifact or directory of artifacts'
-    required: true
-  output_path:
-    description: 'path to write build provenance file'
-    required: false
-    default: 'provenance.json'
   github_context:
     description: 'internal (do not set): the "github" context object in json'
     required: true
@@ -23,29 +20,17 @@ inputs:
     description: 'internal (do not set): the "runner" context object in json'
     required: true
     default: ${{ toJSON(runner) }}
-  tag_name:
-    description: |
-      The github release to generate provenance on.
-      (if set the artifacts will be downloaded from the release and the provenance will be added as an additional release asset.)
-    required: false
-  extra_materials:
-    description: 'paths to files containing SLSA v0.1 formatted materials (JSON array) in to include in the provenance'
-    required: false
+  arguments:
+    description: 'commandline options for the given subcommand'
+    required: true
 runs:
   using: 'docker'
   image: 'docker://ghcr.io/philips-labs/slsa-provenance:v0.4.0'
   args:
-    - "generate"
+    - '${{ inputs.command }}'
     - '${{ inputs.subcommand }}'
-    - "-artifact_path"
-    - '${{ inputs.artifact_path }}'
-    - "-output_path"
-    - '${{ inputs.output_path }}'
-    - "-github_context"
+    - "--github-context"
     - '${{ inputs.github_context }}'
-    - "-runner_context"
+    - "--runner-context"
     - '${{ inputs.runner_context }}'
-    - "-tag_name"
-    - '${{ inputs.tag_name }}'
-    - "-extra_materials"
-    - '${{ inputs.extra_materials }}'
+    - '${{ inputs.arguments }}'