Fixes #2823 Handle stdout/stderr Buffers in shell run()

Author: mogelbrod

CHANGELOG.md

@@ -12,6 +12,10 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this p
 - Changes _Default Graph Column Layout_ context menu command to _Use Expanded Graph Column_ for better clarity
 - Improves remote parsing for better integration support for some edge cases
 
+### Fixed
+
+- Fixes [#2823](https://github.com/gitkraken/vscode-gitlens/issues/2823) - Handle stdout/stderr Buffers in shell run()
+
 ## [14.1.1] - 2023-07-18
 
 ### Added

README.md

@@ -351,6 +351,7 @@ A big thanks to the people that have contributed to this project 🙏❤️:
 - Vladislav Guleaev ([@vguleaev](https://github.com/vguleaev)) — [contributions](https://github.com/gitkraken/vscode-gitlens/commits?author=vguleaev)
 - Dmitry Gurovich ([@yrtimiD](https://github.com/yrtimiD)) — [contributions](https://github.com/gitkraken/vscode-gitlens/commits?author=yrtimiD)
 - hahaaha ([@hahaaha](https://github.com/hahaaha)) — [contributions](https://github.com/gitkraken/vscode-gitlens/commits?author=hahaaha)
+- Victor Hallberg ([@mogelbrod](https://github.com/mogelbrod)) — [contributions](https://github.com/gitkraken/vscode-gitlens/commits?author=mogelbrod)
 - Ken Hom ([@kh0m](https://github.com/kh0m)) — [contributions](https://github.com/gitkraken/vscode-gitlens/commits?author=kh0m)
 - Yukai Huang ([@Yukaii](https://github.com/Yukaii)) — [contributions](https://github.com/gitkraken/vscode-gitlens/commits?author=Yukaii)
 - Justin Hutchings ([@jhutchings1](https://github.com/jhutchings1)) — [contributions](https://github.com/gitkraken/vscode-gitlens/commits?author=jhutchings1)

src/env/node/git/shell.ts

@@ -245,11 +245,12 @@ export function run<T extends number | string | Buffer>(
 					error.message = `Command output exceeded the allocated stdout buffer. Set 'options.maxBuffer' to a larger value than ${opts.maxBuffer} bytes`;
 				}
 
-				let stdoutDecoded;
-				let stderrDecoded;
+				let stdoutDecoded: string;
+				let stderrDecoded: string;
 				if (encoding === 'utf8' || encoding === 'binary' || encoding === 'buffer') {
-					stdoutDecoded = stdout;
-					stderrDecoded = stderr;
+					// stdout & stderr can be `Buffer` or `string
+					stdoutDecoded = stdout.toString();
+					stderrDecoded = stderr.toString();
 				} else {
 					const decode = (await import(/* webpackChunkName: "encoding" */ 'iconv-lite')).decode;
 					stdoutDecoded = decode(Buffer.from(stdout, 'binary'), encoding);