Remove actions_ref from shared workflows

Author: Wuodan

.github/workflows/multiarch-image-build-sign-provenance-SLSA.yml

@@ -23,10 +23,6 @@ name: Build Multi-Arch Image With Signature and Provenance SLSA
         description: Index digest for arm64 build.
         required: true
         type: string
-      actions_ref:
-        description: The version of github-actions
-        type: string
-        required: true
 
 jobs:
 
@@ -38,12 +34,17 @@ jobs:
       platform_digest_arm64: ${{ steps.platform-digest-arm64.outputs.digest }}
 
     steps:
+      - name: Resolve workflow ref
+        id: workflow-ref
+        run: |
+          set -euo pipefail
+          echo "ref=${GITHUB_WORKFLOW_REF##*@}" >> "$GITHUB_OUTPUT"
 
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
         with:
           repository: aicage/github-actions
-          ref: ${{ inputs.actions_ref }}
+          ref: ${{ steps.workflow-ref.outputs.ref }}
           path: .github-actions
 
       - name: Read image platform digest (amd64)
@@ -110,12 +111,17 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      - name: Resolve workflow ref
+        id: workflow-ref
+        run: |
+          set -euo pipefail
+          echo "ref=${GITHUB_WORKFLOW_REF##*@}" >> "$GITHUB_OUTPUT"
 
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
         with:
           repository: aicage/github-actions
-          ref: ${{ inputs.actions_ref }}
+          ref: ${{ steps.workflow-ref.outputs.ref }}
           path: .github-actions
 
       - name: Log in to Docker Registry

.github/workflows/multiarch-image-build-sign-provenance.yml

@@ -23,10 +23,6 @@ name: Build Multi-Arch Image With Signature and Provenance
         description: Index digest for arm64 build.
         required: true
         type: string
-      actions_ref:
-        description: The version of github-actions
-        type: string
-        required: true
 
 jobs:
 
@@ -35,12 +31,17 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      - name: Resolve workflow ref
+        id: workflow-ref
+        run: |
+          set -euo pipefail
+          echo "ref=${GITHUB_WORKFLOW_REF##*@}" >> "$GITHUB_OUTPUT"
 
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
         with:
           repository: aicage/github-actions
-          ref: ${{ inputs.actions_ref }}
+          ref: ${{ steps.workflow-ref.outputs.ref }}
           path: .github-actions
 
       - name: Log in to Docker Registry

.github/workflows/test-build-SLSA.yml

@@ -136,5 +136,4 @@ jobs:
       purpose_tag: ${{ needs.set-globals.outputs.PURPOSE_TAG }}
       index_digest_amd64: ${{ needs.build.outputs.INDEX_DIGEST_amd64 }}
       index_digest_arm64: ${{ needs.build.outputs.INDEX_DIGEST_arm64 }}
-      actions_ref: ${{ github.ref }}
     secrets: inherit

.github/workflows/test-build.yml

@@ -136,5 +136,4 @@ jobs:
       purpose_tag: ${{ needs.set-globals.outputs.PURPOSE_TAG }}
       index_digest_amd64: ${{ needs.build.outputs.INDEX_DIGEST_amd64 }}
       index_digest_arm64: ${{ needs.build.outputs.INDEX_DIGEST_arm64 }}
-      actions_ref: ${{ github.ref }}
     secrets: inherit