feat: add an input to skip installing aqua (#709)

* feat: add an input to skip installing aqua

* fix: stop using notice command

.github/workflows/test.yaml

@@ -144,6 +144,21 @@ jobs:
         working-directory: tests
         env:
           GITHUB_TOKEN: ${{ github.token }}
+      - uses: ./
+        with:
+          aqua_version: v2.37.0
+          working_directory: tests
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+      - run: aqua -v
+      - uses: ./
+        with:
+          aqua_version: v2.36.0
+          working_directory: tests
+          skip_install_aqua: "true"
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+      - run: aqua -v
 
   test-action-container:
     timeout-minutes: 30

action.yaml

@@ -20,6 +20,11 @@ inputs:
       If this is "true", "aqua policy allow" is run without argument.
       If this isn't empty and isn't "true", "aqua policy allow <inputs.policy_allow>" is run.
 
+  skip_install_aqua:
+    required: false
+    default: "false"
+    description: If this true and aqua is already installed, installing aqua is skipped.
+
   working_directory:
     required: false
     default: ""
@@ -51,11 +56,16 @@ runs:
       if: runner.os == 'Windows'
 
     - run: |
+        if [ "${SKIP_INSTALL_AQUA:-}" = true ] && command -v aqua >/dev/null; then
+          echo "[INFO] Installing aqua is skipped" >&2
+          exit 0
+        fi
         "${GITHUB_ACTION_PATH}/aqua-installer" -v "$AQUA_VERSION"
       working-directory: ${{ inputs.working_directory }}
       shell: bash
       env:
         AQUA_VERSION: ${{ inputs.aqua_version }}
+        SKIP_INSTALL_AQUA: ${{ inputs.skip_install_aqua }}
 
     - run: aqua policy allow
       working-directory: ${{ inputs.working_directory }}