From 039a1424ef228b062c018bff1bc132800c8c2cfb Mon Sep 17 00:00:00 2001
From: Matthias Jaros <jarlucmat@mailbox.org>
Date: Wed, 12 Aug 2026 21:59:54 +0200
Subject: Moved user check into function and also verify in repo setup proper
 username

---
 src/env  |  2 +-
 src/init | 22 +++++++++++++++++-----
 2 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/src/env b/src/env
index 42cb089..c32fa12 100644
--- a/src/env
+++ b/src/env
@@ -10,4 +10,4 @@ set _PERMISSIONS r w
 set _REPO_PERMISSIONS_FILE /etc/repo-permissions
 set _REPO_VALIDATION_REGEX "((?:\/[a-zA-Z0-9_\-\.]+)+.git)"
 set _GIT_VALIDATION_REGEX "^(git-(?:upload-pack|receive-pack|upload-archive)) '$_REPO_VALIDATION_REGEX'\$"
-set _USER_VALIDATION_REGEX "^[a-z0-9]([a-z0-9_-]{0,30}[a-z0-9])?\$"
+set _USER_VALIDATION_REGEX "[a-z0-9]([a-z0-9_-]{0,30}[a-z0-9])?"
diff --git a/src/init b/src/init
index 383d1c1..01d5f11 100755
--- a/src/init
+++ b/src/init
@@ -28,10 +28,7 @@ function setupUser
 	set -l key $userConfig[2]
 
 	# validate username
-	if not string match -q -r -- $_USER_VALIDATION_REGEX "$user"
-		echo "Error: User '$user' does not match validation regex"
-		return 1
-	end
+	checkUsername "$user"; or return $status
 
 	echo "Setting up user: $user"
 	if [ "$user" = git ]
@@ -59,6 +56,17 @@ function setupUser
 	chmod -R 700 "$HOME"
 end
 
+function checkUsername
+	set -l user "$argv[1]"
+	# validate username
+	if not string match -q -r -- "^$_USER_VALIDATION_REGEX\$" "$user"
+		echo "Error: User '$user' does not match validation regex"
+		return 1
+	end
+
+	return 0
+end
+
 function setupGitUser
 	doesUserExist "git"; and return 0
 	echo "Setting up git user"
@@ -92,7 +100,11 @@ function setupRepo
 		set -l parsedConfig (string split ':' -- $userConfig)
 		set -l user $parsedConfig[1]
 		set -l permission $parsedConfig[2]
-		
+
+		if not checkUsername "$user"
+		  continue
+		end
+
 		# check for valid permission
 		if not contains $permission $_PERMISSIONS
 			set permission "r"
-- 
cgit v1.3.1