feat: --all flag (#182)

Co-authored-by: Hiroki Osame <hiroki.osame@gmail.com>

src/cli.ts

@@ -29,6 +29,12 @@ cli(
 				description: 'Files to exclude from AI analysis',
 				alias: 'x',
 			},
+			all: {
+				type: Boolean,
+				description: 'Automatically stage changes in tracked files for the commit',
+				alias: 'a',
+				default: false,
+			},
 		},
 
 		commands: [
@@ -49,6 +55,7 @@ cli(
 			aicommits(
 				argv.flags.generate,
 				argv.flags.exclude,
+				argv.flags.all,
 				rawArgv,
 			);
 		}

src/commands/aicommits.ts

@@ -17,18 +17,24 @@ import { KnownError, handleCliError } from '../utils/error.js';
 export default async (
 	generate: number | undefined,
 	excludeFiles: string[],
+	stageAll: boolean,
 	rawArgv: string[],
 ) => (async () => {
 	intro(bgCyan(black(' aicommits ')));
 	await assertGitRepo();
 
 	const detectingFiles = spinner();
+
+	if (stageAll) {
+		await execa('git', ['add', '--all']);
+	}
+
 	detectingFiles.start('Detecting staged files');
 	const staged = await getStagedDiff(excludeFiles);
 
 	if (!staged) {
 		detectingFiles.stop('Detecting staged files');
-		throw new KnownError('No staged changes found. Make sure to stage your changes with `git add`.');
+		throw new KnownError('No staged changes found. Stage your changes manually, or automatically stage all changes with the `--all` flag.');
 	}
 
 	detectingFiles.stop(`${getDetectedMessage(staged.files)}:\n${