Enforce target_branch by default

.github/workflows/test.yml

@@ -6,11 +6,12 @@ jobs:
   test: # make sure the action works on a clean machine without building
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         fetch-depth: 0
+        ref: main
     - uses: ./
       with:
         ssh_private_key: ${{ secrets.SSH_PRIVATE_KEY }}
         target_repo_url: git@github.com:ayr-ton/git-deploy-action-test.git
-        target_branch: gh-pages-test
+        target_branch: main

README.md

@@ -16,16 +16,19 @@ Be sure to run the [`actions/checkout`](https://github.com/actions/checkout) act
 this action so that the git repository is initialized.
 
 ```yaml
-# File: .github/workflows/mirror.yml
-- uses: ayr-ton/git-deploy-action@v1
+- uses: actions/checkout@v3
+  with:
+    fetch-depth: 0
+    ref: main
+- uses: ayr-ton/git-deploy-action@v1.1
   with:
     # The SSH private key for SSH connection to the target repository.
     # We strongly recommend saving this value as a GitHub Secret and using deploy
     # keys within the target repository
     ssh_private_key: ${{ secrets.SSH_PRIVATE_KEY }}
     # The SSH-based URL to the target repository
     target_repo_url: git@github.com:ayr-ton/git-deploy-action-test.git
-    # The branch to push to the target repository, defaults to the current branch
+    # The branch to push to the target repository, mandatory
     target_branch: main
 ```
 

action.yml

@@ -12,8 +12,8 @@ inputs:
     description: Target git repository URL
     required: true
   target_branch:
-    description: Target git branch name, if any
-    required: false
+    description: Target git branch name
+    required: true
 runs:
   using: 'docker'
   image: 'Dockerfile'

entrypoint.sh

@@ -5,14 +5,11 @@ mkdir -p /root/.ssh
 echo "$INPUT_SSH_PRIVATE_KEY" > /root/.ssh/id_rsa
 chmod 600 /root/.ssh/id_rsa
 
-git remote add destination "$INPUT_TARGET_REPO_URL"
-
 if [ -n "${INPUT_TARGET_BRANCH+set}" ];
 then
-   git checkout $INPUT_TARGET_BRANCH
+   git remote add destination "$INPUT_TARGET_REPO_URL"
    git push destination "$INPUT_TARGET_BRANCH" -f
-   echo "Pushed to branch $INPUT_TARGET_BRANCH"
+   echo "Synced with $INPUT_TARGET_BRANCH"
 else
-   git push destination "$GITHUB_REF" -f
-   echo "Pushed to branch $GITHUB_REF"
+   echo "You need to set a target_branch"
 fi