feat: add support for writing outputs to files (#890)

Co-authored-by: repo-ranger[bot] <39074581+repo-ranger[bot]@users.noreply.github.com>

.github/workflows/test.yml

@@ -372,6 +372,18 @@ jobs:
           echo '${{ toJSON(steps.changed-files-since-last-remote-commit.outputs) }}'
         shell:
           bash
+      - name: Run changed-files with write_output_files
+        id: changed-files-write-output-files
+        uses: ./
+        with:
+          json: true
+          write_output_files: true
+      - name: Show output
+        run: |
+          echo '${{ toJSON(steps.changed-files-write-output-files.outputs.all_changed_files) }}'
+          cat .github/outputs/all_changed_files.json
+        shell:
+          bash
       - name: Run changed-files with include_all_old_new_renamed_files
         id: changed-files-all-old-new-renamed-files
         uses: ./

action.yml

@@ -88,6 +88,14 @@ inputs:
     description: "Use the last commit on the remote branch as the `base_sha`. Defaults to the last non merge commit on the target branch for pull request events and the previous remote commit of the current branch for push events."
     required: true
     default: "false"
+  write_output_files:
+    description: "Write outputs to files in the `.github/outputs` folder by default."
+    required: false
+    default: "false"
+  output_dir:
+    description: "Directory to store output files."
+    required: false
+    default: ".github/outputs"
 
 outputs:
   added_files:
@@ -230,6 +238,36 @@ runs:
         INPUT_DIR_NAMES_MAX_DEPTH: ${{ inputs.dir_names_max_depth }}
         INPUT_JSON: ${{ inputs.json }}
         INPUT_HAS_CUSTOM_PATTERNS: ${{ steps.glob.outputs.has-custom-patterns }}
+    - name: Generate output files
+      uses: tj-actions/json2file@v1
+      if: inputs.write_output_files == 'true'
+      with:
+        outputs: ${{ toJSON(steps.changed-files.outputs) }}
+        directory: ${{ inputs.output_dir }}
+        skip_missing_keys: true
+        keys: |
+          added_files
+          copied_files
+          deleted_files
+          modified_files
+          renamed_files
+          all_old_new_renamed_files
+          type_changed_files
+          unmerged_files
+          unknown_files
+          all_changed_and_modified_files
+          all_changed_files
+          any_changed
+          only_changed
+          other_changed_files
+          all_modified_files
+          any_modified
+          only_modified
+          other_modified_files
+          any_deleted
+          only_deleted
+          other_deleted_files
+        extension: ${{ steps.changed-files.outputs.outputs_extension }}
 
 branding:
   icon: file-text

get-changed-paths.sh

@@ -10,6 +10,12 @@ INPUT_SEPARATOR="${INPUT_SEPARATOR//$'\r'/'%0D'}"
 GITHUB_OUTPUT=${GITHUB_OUTPUT:-""}
 DIFF=$INPUT_DIFF
 
+OUTPUTS_EXTENSION="txt"
+
+if [[ "$INPUT_JSON" == "true" ]]; then
+  OUTPUTS_EXTENSION="json"
+fi
+
 if [[ $INPUT_QUOTEPATH == "false" ]]; then
   git config --global core.quotepath off
 else
@@ -403,6 +409,7 @@ if [[ -z "$GITHUB_OUTPUT" ]]; then
   echo "::set-output name=all_changed_and_modified_files::$ALL_CHANGED_AND_MODIFIED"
   echo "::set-output name=all_changed_files::$ALL_CHANGED"
   echo "::set-output name=all_modified_files::$ALL_MODIFIED"
+  echo "::set-output name=outputs_extension::$OUTPUTS_EXTENSION"
 else
   cat <<EOF >>"$GITHUB_OUTPUT"
 added_files=$ADDED
@@ -416,6 +423,7 @@ unknown_files=$UNKNOWN
 all_changed_and_modified_files=$ALL_CHANGED_AND_MODIFIED
 all_changed_files=$ALL_CHANGED
 all_modified_files=$ALL_MODIFIED
+outputs_extension=$OUTPUTS_EXTENSION
 EOF
 fi