Add commit_message option

Closes #8

README.md

@@ -147,12 +147,14 @@ All linters are disabled by default. To enable a linter, simply set the option w
 - **`[linter]_extensions`:** Extensions of files to check with the linter. Example: `eslint_extensions: js,ts` to lint both JavaScript and TypeScript files with ESLint. Default: See [`action.yml`](./action.yml)
 - **`[linter]_dir`:** Directory where the linting command should be run. Example: `eslint_dir: server/` if ESLint is installed in the `server` subdirectory. Default: `.`
 
-Besides the linter-specific options, there's a general `auto_fix` setting:
+Besides the linter-specific options, there are a few global settings:
 
 - **`auto_fix`:** Whether linters should try to fix code style issues automatically. If some issues can be fixed, the action will commit and push the changes to the corresponding branch. Default: `false`
 
 <img src="./.github/screenshots/auto-fix.png" alt="Screenshot of auto-fix commit" width="75%" />
 
+- **`commit_message`**: Template for auto-fix commit messages. The `${linter}` variable can be used to insert the name of the linter which has created the auto-fix. Default: `Fix code style issues with ${linter}`
+
 ## Development
 
 ### Contributing

action.yml

@@ -7,6 +7,10 @@ inputs:
     description: Whether linters should try to fix code style issues automatically
     required: false
     default: false
+  commit_message:
+    description: 'Template for auto-fix commit messages. The "${linter}" variable can be used to insert the name of the linter which has created the auto-fix'
+    required: false
+    default: "Fix code style issues with ${linter}"
 
   # CSS
 

src/index.js

@@ -26,6 +26,7 @@ process.on("unhandledRejection", err => {
 async function runAction() {
 	const github = getGithubInfo();
 	const autoFix = getInput("auto_fix") === "true";
+	const commitMsg = getInput("commit_message", true);
 
 	setGitUserInfo(GIT_NAME, GIT_EMAIL);
 
@@ -55,7 +56,7 @@ async function runAction() {
 			const results = linter.lint(lintDirAbs, fileExtList, autoFix);
 			if (autoFix) {
 				log("Committing and pushing changes…");
-				commitChanges(`Fix code style issues with ${linter.name}`);
+				commitChanges(commitMsg.replace(/\${linter}/g, linter.name));
 				pushChanges(github);
 			}
 			const resultsParsed = linter.parseResults(github.workspace, results);