Fixes #701 - adds missing --use-mailmap flag

CHANGELOG.md

@@ -17,6 +17,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this p
 
 ### Fixed
 
+- Fixes [#701](https://github.com/eamodio/vscode-gitlens/issues/701) - Contributors shows no commits for mailmapped committer name
 - Fixes issues with the _Line History_ view sometimes showing a duplicate and out of order commit
 - Fixes broken _Open File_ command on the root node of the _File History_ and _Line History_ views
 - Fixes broken _Open Revision_ command on status files of the _Repositories_ view

src/git/git.ts

@@ -617,7 +617,7 @@ export class Git {
     static log(repoPath: string, options: { authors?: string[]; maxCount?: number; ref?: string; reverse?: boolean }) {
         const params = [...defaultLogParams, '--full-history', '-M', '-m'];
         if (options.authors) {
-            params.push(...options.authors.map(a => `--author=${a}`));
+            params.push('--use-mailmap', ...options.authors.map(a => `--author=${a}`));
         }
         if (options.maxCount && !options.reverse) {
             params.push(`-n${options.maxCount}`);