Add ref option

Author: EndBug

README.md

@@ -36,7 +36,11 @@ Add a step like this to your workflow:
     # Default: 'Commit from GitHub Actions'
     message: 'Your commit message'
 
-    #  The arguments for the `git rm` command (see the paragraph below for more info)
+    # Name of the branch to use, if different from the one that triggered the workflow
+    # Default: the branch that triggered the workflow (from GITHUB_REF)
+    ref: 'someOtherBranch'
+
+    # The arguments for the `git rm` command (see the paragraph below for more info)
     # Default: ''
     remove: "./dir/old_file.js"
 

action.yml

@@ -24,6 +24,9 @@ inputs:
     description: The message for the commit
     required: false
     default: Commit from GitHub Actions
+  ref:
+    description: Name of the branch to use, if different from the one that triggered the workflow
+    required: false
   remove:
     description: Arguments for the git rm command
     required: false

src/entrypoint.sh

@@ -44,14 +44,14 @@ if ! git diff --cached --quiet --exit-code; then
     git fetch
 
     # Verify if the branch needs to be created
-    if ! git rev-parse --verify --quiet "${GITHUB_REF:11}"; then
+    if ! git rev-parse --verify --quiet "$INPUT_REF"; then
         echo "Creating branch..."
-        git branch "${GITHUB_REF:11}"
+        git branch "$INPUT_REF"
     fi
 
     # Switch to branch from current workflow run
     echo "Switching branch..."
-    git checkout "${GITHUB_REF:11}"
+    git checkout "$INPUT_REF"
 
     echo "Pulling from remote..."
     git fetch && git pull
@@ -69,7 +69,7 @@ if ! git diff --cached --quiet --exit-code; then
     git commit -m "$INPUT_MESSAGE" --author="$INPUT_AUTHOR_NAME <$INPUT_AUTHOR_EMAIL>"
 
     echo "Pushing to repo..."
-    git push --set-upstream origin "${GITHUB_REF:11}"
+    git push --set-upstream origin "$INPUT_REF"
 
     echo "::endgroup::"
     echo "Task completed."

src/main.ts

@@ -25,6 +25,8 @@ function checkInputs() {
     setDefault('author_email', 'actions@github.com')
   }
 
+  setDefault('ref', process.env.GITHUB_REF?.substring(11) || '')
+
   info(`Using '${getInput('author_name')} <${getInput('author_email')}>' as author.`)
 }