feat(action): enable cache

Author: woile

action.yaml

@@ -14,24 +14,43 @@ inputs:
   extra_requirements:
     description: "Install extra dependencies"
     required: false
+  cache:
+    description: 'Cache commitizen installation, set to "true" to enable'
+    required: false
+    default: "false"
 
 runs:
   using: "composite"
   steps:
-    - uses: actions/setup-python@v6
     - id: set-vars
       shell: python
       env:
         COMMITIZEN_VERSION: ${{ inputs.version }}
+        CACHE: ${{ inputs.cache }}
       run: |
         import os
+
+        # Set commitizen version
         commitizen_version = os.environ.get("COMMITIZEN_VERSION", "").strip()
         if commitizen_version == "latest":
             set_commitizen_version = ""
         else:
             set_commitizen_version = f"=={commitizen_version}"
+
+        # Set python cache
+        cache = os.environ.get("CACHE", "")
+        if cache == True or cache == "true":
+            set_cache = "pip"
+        else:
+            set_cache = ""
+
+        # Write outputs
         with open(os.environ["GITHUB_OUTPUT"], "a") as fh:
             fh.write(f"COMMITIZEN_VERSION={set_commitizen_version}\n")
+            fh.write(f"PYTHON_CACHE={set_cache}\n")
+    - uses: actions/setup-python@v6
+      with:
+        cache: ${{ steps.set-vars.outputs.PYTHON_CACHE }}
     - name: Install commitizen
       shell: bash
       env: