Get correct token for cosign

.github/workflows/docker-publish.yml

@@ -41,9 +41,6 @@ jobs:
     permissions:
       contents: read
       packages: write
-      # This is used to complete the identity challenge
-      # with sigstore/fulcio when running outside of PRs.
-      id-token: write
 
     steps:
       - name: Checkout repository
@@ -159,6 +156,12 @@ jobs:
     runs-on: ubuntu-latest
     needs: [ build ]
     if: github.event_name != 'pull_request'
+    permissions:
+      contents: read
+      packages: write
+      # This is used to complete the identity challenge
+      # with sigstore/fulcio when running outside of PRs.
+      id-token: write
 
     steps:
       - name: Download digests
@@ -215,13 +218,11 @@ jobs:
       # https://github.com/sigstore/cosign
       - name: Sign the published Docker image
         working-directory: /tmp/digests
-        env:
-          RAW_TAGS: ${{ join(steps.meta.outputs.tags, ' ') }}
         # This step uses the identity token to provision an ephemeral certificate
         # against the sigstore community Fulcio instance.
         run: |
           TAGS=""
-          for RAW_TAG in ${RAW_TAGS}; do
+          for RAW_TAG in ${{ join(steps.meta.outputs.tags, ' ') }}; do
             TAGS="${TAGS}$(printf "${RAW_TAG}@sha256:%s " *)"
           done
           for TAG in ${TAGS}; do
@@ -230,9 +231,7 @@ jobs:
           done
 
       - name: Inspect image
-        env:
-          RAW_TAGS: ${{ join(steps.meta.outputs.tags, ' ') }}
         run: |
-          for RAW_TAG in ${RAW_TAGS}; do
+          for RAW_TAG in ${{ join(steps.meta.outputs.tags, ' ') }}; do
             docker buildx imagetools inspect ${RAW_TAG}
           done