Add fail-if-changed option (#321)

* Add `fail-if-changed` option

* Update entrypoint.sh

* Update test.yml

---------

Co-authored-by: Tonye Jack <jtonye@ymail.com>

.github/workflows/test.yml

@@ -43,6 +43,16 @@ jobs:
         run: |
           echo "Changed files (Not expected): ${{ steps.changed_files_not_expected.outputs.changed_files }}"
           exit 1
+      - name: Test dont fail if not changed
+        uses: ./
+        id: changed_files_not_expected_fail
+        with:
+          fail-if-changed: true
+          files: |
+            test/*.txt
+            test/*.sql
+            test/**/*.txt
+            test/**/*.sql
       - name: Make changes
         run: |
           printf '%s\n' "323442" "424" >> test/new.txt
@@ -67,6 +77,17 @@ jobs:
         run: |
           echo "No Changes found: (Not expected)"
           exit 1
+      - name: Test fail if changed
+        uses: ./
+        id: changed_files_expected_fail
+        continue-on-error: true
+        with:
+          fail-if-changed: true
+          files: |
+            test/*.txt
+            test/*.sql
+            test/**/*.txt
+            test/**/*.sql
       - name: Generate an unstaged file
         run: |
           echo "New changes" > unstaged.txt

action.yml

@@ -17,6 +17,14 @@ inputs:
     description: 'Indicates whether to match files in `.gitignore`'
     default: "false"
     required: true
+  fail-if-changed:
+    description: 'Indicates whether to fail if files have changed.'
+    default: "false"
+    required: false
+  fail-message:
+    description: 'Message to display when files have changed and the `fail-if-changed` input is set to `true`.'
+    default: "Files have changed."
+    required: false
 
 outputs:
   files_changed:
@@ -50,6 +58,8 @@ runs:
         INPUT_FILES_PATTERN_FILE: ${{ steps.glob.outputs.paths-output-file }}
         INPUT_SEPARATOR: ${{ inputs.separator }}
         INPUT_MATCH_GITIGNORE_FILES: ${{ inputs.match-gitignore-files }}
+        INPUT_FAIL_IF_CHANGED: ${{ inputs.fail-if-changed }}
+        INPUT_FAIL_MSG: ${{ inputs.fail-message }}
 
 branding:
   icon: file-text

entrypoint.sh

@@ -47,18 +47,25 @@ if [[ -n "$CHANGED_FILES" ]]; then
   echo "Found uncommited changes"
 
   CHANGED_FILES=$(echo "$CHANGED_FILES" | awk '{gsub(/\|/,"\n"); print $0;}' | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
-  
+
   if [[ -z "$GITHUB_OUTPUT" ]]; then
     echo "::set-output name=files_changed::true"
     echo "::set-output name=changed_files::$CHANGED_FILES"
   else
     echo "files_changed=true" >> "$GITHUB_OUTPUT"
     echo "changed_files=$CHANGED_FILES" >> "$GITHUB_OUTPUT"
   fi
-
+
+  if [[ "$INPUT_FAIL_IF_CHANGED" == "true" ]]; then
+    if [[ -n "$INPUT_FAIL_MSG" ]]; then
+      echo "$INPUT_FAIL_MSG"
+    fi
+    exit 1
+  fi
+
 else
   echo "No changes found."
-  
+
   if [[ -z "$GITHUB_OUTPUT" ]]; then
     echo "::set-output name=files_changed::false"
   else