Add cache for pub dependencies

Author: socheatsok78

action.sh

@@ -32,10 +32,11 @@ then
 	FLUTTER_OS="${FLUTTER_OS}_$ARCH"
 fi
 
-# Flutter runner tool cache
+# Flutter runner tool cache and pub cache
 # path: "${{ runner.tool_cache }}/flutter-${{ runner.os }}-${{ inputs.version }}-${{ runner.arch }}"
 # key: flutter-action-setup-flutter-${{ runner.os }}-${{ inputs.version }}-${{ runner.arch }}
 FLUTTER_RUNNER_TOOL_CACHE="${RUNNER_TOOL_CACHE}/flutter-${RUNNER_OS}-${FLUTTER_VERSION}-${RUNNER_ARCH}"
+FLUTTER_PUB_CACHE="${RUNNER_TEMP}/pub-cache"
 
 # Check if Flutter SDK already exists
 # Otherwise download and install
@@ -88,10 +89,10 @@ else
 fi
 
 # Configure pub to use a fixed location.
-echo "PUB_CACHE=${HOME}/.pub-cache" >> $GITHUB_ENV
+echo "PUB_CACHE=${FLUTTER_PUB_CACHE}" >> $GITHUB_ENV
 
 # Update paths.
-echo "${HOME}/.pub-cache/bin" >> $GITHUB_PATH
+echo "${FLUTTER_PUB_CACHE}/bin" >> $GITHUB_PATH
 echo "${FLUTTER_RUNNER_TOOL_CACHE}/flutter/bin" >> $GITHUB_PATH
 
 # Report success, and print version.

action.yml

@@ -13,6 +13,10 @@ inputs:
     required: false
     default: "stable"
   cache:
+    description: 'Cache the pub dependencies. Default: false'
+    required: false
+    default: "false"
+  cache-sdk:
     description: 'Cache the installed Flutter SDK. Default: false'
     required: false
     default: "false"
@@ -23,10 +27,18 @@ inputs:
 runs:
   using: "composite"
   steps:
-    - if: ${{ inputs.cache == 'true' }}
+    # Cache the Flutter SDK
+    - if: ${{ inputs.cache-sdk == 'true' }}
       uses: actions/cache@v3
       with:
         path: ${{ runner.tool_cache }}/flutter-${{ runner.os }}-${{ inputs.version }}-${{ runner.arch }}
         key: flutter-action-setup-flutter-${{ runner.os }}-${{ inputs.version }}-${{ inputs.channel }}-${{ runner.arch }}-${{ inputs.cache-key }}
+    # Cache the pub dependencies
+    - if: ${{ inputs.cache == 'true' }}
+      uses: actions/cache@v3
+      with:
+        path: ${{ runner.temp }}/pub-cache
+        key: flutter-action-setup-flutter-${{ runner.os }}-${{ inputs.version }}-${{ inputs.channel }}-${{ runner.arch }}-${{ inputs.cache-key }}-pub-cache
+    # Run the action
     - run: $GITHUB_ACTION_PATH/action.sh ${{ inputs.version }} ${{ inputs.channel }}
       shell: bash