fix(cli): tweaks for core.commentChar handling (conventional-changelo…

…g#3190)

- Remove useless change to test git repository setup
- Add comment on git config error handling

@commitlint/cli/src/cli.ts

@@ -232,6 +232,8 @@ async function main(args: MainArgs) {
 			opts.parserOpts.commentChar = stdout.trim() || gitDefaultCommentChar;
 		} catch (e) {
 			const execaError = e as ExecaError;
+			// git config returns exit code 1 when the setting is unset,
+			// don't warn in this case.
 			if (!execaError.failed || execaError.exitCode !== 1) {
 				console.warn(
 					'Could not determine core.commentChar git configuration',

@packages/test/src/git.ts

@@ -35,7 +35,6 @@ async function setup(cwd: string, gitCommand = 'git') {
 			cwd,
 		});
 		await execa(gitCommand, ['config', 'commit.gpgsign', 'false'], {cwd});
-		await execa(gitCommand, ['config', 'core.commentChar', '#'], {cwd});
 	} catch (err: any) {
 		if (typeof err === 'object' && typeof err.message === 'object') {
 			console.warn(`git config in ${cwd} failed`, err.message);