fix(repo-dir): check if the current cwd is .git before setting the default cwd

Fixes /issues/2732

Author: 0x61nas

src/args.rs

@@ -34,9 +34,24 @@ pub fn process_cmdline() -> Result<CliArgs> {
 
 	let workdir =
 		arg_matches.get_one::<String>("workdir").map(PathBuf::from);
-	let gitdir = arg_matches
-		.get_one::<String>("directory")
-		.map_or_else(|| PathBuf::from("."), PathBuf::from);
+	let gitdir = 'blk: {
+		let mut cwd = env::current_dir()?;
+		let cwd_file_name = cwd
+			.file_name()
+			.ok_or(anyhow!("Coulden't get the CWD name"))?
+			.as_encoded_bytes();
+		if cwd_file_name == b".git" {
+			cwd = cwd
+				.parent()
+				.ok_or(anyhow!(
+					"Coulden't find the parent directory of .git"
+				))?
+				.to_path_buf();
+		}
+		break 'blk arg_matches
+			.get_one::<String>("directory")
+			.map_or_else(|| cwd, PathBuf::from);
+	};
 
 	let repo_path = if let Some(w) = workdir {
 		RepoPath::Workdir { gitdir, workdir: w }