Fixes hang in shortlog when no HEAD

CHANGELOG.md

@@ -36,6 +36,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this p
 - Fixes [#1212](https://github.com/eamodio/vscode-gitlens/issues/1212) - Stashes list doesn't refresh on deletion
 - Fixes [#1191](https://github.com/eamodio/vscode-gitlens/issues/1191) - "Gitlens › Views › Repositories: Auto Refresh" not working
 - Fixes [#1202](https://github.com/eamodio/vscode-gitlens/issues/1202) - "Copy Remote File Url" url-encodes the URL
+- Fixes an issue where `git shortlog` could hang (when there is no HEAD)
 - Fixes an issue where _GitLens: Show Repositories View_ command wouldn't work unless the view was enabled first
 - Fixes an issue where _GitLens: Show Line History View_ command wasn't showing up unless the view was enabled first
 - Fixes an issue where trying to force push the current branch would fail

src/git/git.ts

@@ -1168,7 +1168,7 @@ export namespace Git {
 	}
 
 	export function shortlog(repoPath: string) {
-		return git<string>({ cwd: repoPath }, 'shortlog', '-sne', '--all', '--no-merges');
+		return git<string>({ cwd: repoPath }, 'shortlog', '-sne', '--all', '--no-merges', 'HEAD');
 	}
 
 	export async function show<TOut extends string | Buffer>(

src/git/gitService.ts

@@ -1391,23 +1391,31 @@ export class GitService implements Disposable {
 	async getContributors(repoPath: string): Promise<GitContributor[]> {
 		if (repoPath == null) return [];
 
-		const data = await Git.shortlog(repoPath);
-		const shortlog = GitShortLogParser.parse(data, repoPath);
-		if (shortlog == null) return [];
-
-		// Mark the current user
-		const currentUser = await Container.git.getCurrentUser(repoPath);
-		if (currentUser != null) {
-			const index = shortlog.contributors.findIndex(
-				c => currentUser.email === c.email && currentUser.name === c.name,
-			);
-			if (index !== -1) {
-				const c = shortlog.contributors[index];
-				shortlog.contributors.splice(index, 1, new GitContributor(c.repoPath, c.name, c.email, c.count, true));
+		try {
+			const data = await Git.shortlog(repoPath);
+			const shortlog = GitShortLogParser.parse(data, repoPath);
+			if (shortlog == null) return [];
+
+			// Mark the current user
+			const currentUser = await Container.git.getCurrentUser(repoPath);
+			if (currentUser != null) {
+				const index = shortlog.contributors.findIndex(
+					c => currentUser.email === c.email && currentUser.name === c.name,
+				);
+				if (index !== -1) {
+					const c = shortlog.contributors[index];
+					shortlog.contributors.splice(
+						index,
+						1,
+						new GitContributor(c.repoPath, c.name, c.email, c.count, true),
+					);
+				}
 			}
-		}
 
-		return shortlog.contributors;
+			return shortlog.contributors;
+		} catch (ex) {
+			return [];
+		}
 	}
 
 	@log()