Update cache/action.yaml

cache/action.yaml

@@ -0,0 +1,24 @@
+name: Compress Files
+desciption: Compress files into a gziped archive
+
+inputs:
+  key:
+    required: true
+    type: string
+    default: default
+  pattern:
+    required: true
+    type: string
+
+runs:
+  using: composite
+  container:
+    image: alpine
+    volumes:
+      - /cache:/cache
+  steps:
+    - run: |
+        tar -czf "archive.tar.gz" ${{ inputs.pattern }}
+        mkdir -p "/cache/$GITHUB_REPOSITORY/${{ inputs.key }}"
+        ARCHIVE="/cache/$GITHUB_REPOSITORY/${{ inputs.key }}/archive.tar.gz"
+        [[ ! -f "$ARCHIVE" || "$(md5sum "$ARCHIVE")" != "$(md5sum archive.tar.gz)" ]] && mv archive.tar.gz "$ARCHIVE"