Append current date to COMMIT_ID for tagging docker images

Author: Tamas Pallos

.github/workflows/test-extract-metadata-action.yml

@@ -23,5 +23,4 @@ jobs:
       - name: Check that IMAGE_NAME environment variable is created and is valid
         run: '[[ "$IMAGE_NAME" == "hsldevcom/jore4-tools" ]]'
 
-        # (tests for BRANCH_NAME and COMMIT_ID omitted for now as they might change on each run so its a little bit tricky to test those)
-
+        # (tests for BRANCH_NAME, CURRENT_DATE and COMMIT_ID are omitted for now as they might change on each run so its a little bit tricky to test those)

github-actions/extract-metadata/action.yml

@@ -28,9 +28,17 @@ runs:
         echo "IMAGE_NAME=${GITHUB_REPOSITORY,,}" >> $GITHUB_ENV
       shell: bash
 
+    - name: Extract current date
+      id: current-date
+      run: |
+        # fetches the current date (UTC) in "yyyymmdd" format
+        CURRENT_DATE=$(date +"%Y%m%d")
+        echo "CURRENT_DATE=${CURRENT_DATE}" >> "${GITHUB_ENV}"
+      shell: bash
+
     - name: Extract commit id
       id: commit-id
       run: |
         # Docker tags can use only some special characters.
-        echo "COMMIT_ID=$(echo "${BRANCH_NAME}" | tr -C '0-9a-zA-Z._' '-')-${GITHUB_SHA}" >> $GITHUB_ENV
+        echo "COMMIT_ID=$(echo "${BRANCH_NAME}" | tr -C '0-9a-zA-Z._' '-')-${CURRENT_DATE}-${GITHUB_SHA}" >> $GITHUB_ENV
       shell: bash