Add core files

Author: EndBug

Dockerfile

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+FROM alpine/git:1.0.7
+
+LABEL "com.github.actions.name"="Add & Commit"
+LABEL "com.github.actions.description"="Add & commit files from a path directly from GitHub Actions"
+LABEL "com.github.actions.icon"="git-commit"
+LABEL "com.github.actions.color"="black"
+
+LABEL "repository"="https://github.com/EndBug/add-and-commit"
+LABEL "homepage"="https://github.com/EndBug/add-and-commit"
+LABEL "maintainer"="Federico Grandi <fgrandi30@gmail.com>"
+
+COPY entrypoint.sh /entrypoint.sh
+
+ENTRYPOINT ["sh", "/entrypoint.sh"]

action.yml

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+name: 'Add & Commit'
+description: 'Add & commit files from a path directly from GitHub Actions'
+
+inputs:
+  author_name:
+    description: 'The name of the user that will be displayed as the author of the commit'
+    required: true
+    default: 'Add & Commit GitHub Action'
+  author_email:
+    description: 'The email of the user that will be displayed as the author of the commit'
+    required: true
+    default: 'actions@github.com'
+  message:
+    description: 'The message for the commit'
+    required: true
+    default: 'Commit from GitHub Actions'
+  path:
+    description: 'The path to stage files from'
+    required: true
+    default: './**/*.*'
+
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+
+branding: 
+  icon: 'git-commit'
+  color: black

entrypoint.sh

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+#!/bin/sh
+set -eu
+
+# Set up .netrc file with GitHub credentials
+git_setup ( ) {
+  cat <<- EOF > $HOME/.netrc
+        machine github.com
+        login $GITHUB_ACTOR
+        password $GITHUB_TOKEN
+
+        machine api.github.com
+        login $GITHUB_ACTOR
+        password $GITHUB_TOKEN
+EOF
+    chmod 600 $HOME/.netrc
+
+    git config --global user.email "actions@github.com"
+    git config --global user.name "Add & Commit GitHub Action"
+}
+
+# This is needed to make the check work for untracked files
+echo "Staging files in commit path..."
+git add "${INPUT_PATH}"
+
+echo "Checking for uncommitted changes in the git working tree..."
+# This section only runs if there have been file changes
+if ! git diff --cached --exit-code
+then
+    git_setup
+
+    git fetch 
+
+    # Switch to branch from current Workflow run
+    echo "Creating and switching branch..."
+    git branch "${GITHUB_REF:11}"
+    git checkout "${GITHUB_REF:11}"
+
+    echo "Adding files..."
+    git add "${INPUT_PATH}"
+
+    echo "Creating commit..."
+    git commit -m "$INPUT_MESSAGE" --author="$INPUT_AUTHOR_NAME <$INPUT_AUTHOR_EMAIL>"
+
+    echo "Pushing to repo..."
+    git push --set-upstream origin "${GITHUB_REF:11}"
+else
+    echo "Working tree clean. Nothing to commit."
+fi