From d4b5bddeefbfb0b62535264fc33fe6452cb38b5b Mon Sep 17 00:00:00 2001
From: Serghey Rodin <serghey.rodin@gmail.com>
Date: Thu, 6 Feb 2014 12:43:47 +0200
Subject: [PATCH] 1 letter username. fixes #96

---
 func/main.sh | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/func/main.sh b/func/main.sh
index a761bc8f..eadfbb82 100644
--- a/func/main.sh
+++ b/func/main.sh
@@ -616,10 +616,17 @@ validate_format_name_s() {
 
 # Username
 validate_format_username() {
-    if ! [[ "$1" =~ ^[a-zA-Z0-9][-|\.|_|a-zA-Z0-9]{0,28}[a-zA-Z0-9]$ ]]; then
-        echo "Error: $2 $1 is not valid"
-        log_event "$E_INVALID" "$EVENT"
-        exit $E_INVALID
+    if [ "${#1}" -eq 1 ]; then
+        if ! [[ "$1" =~ [a-z] ]]; then
+            echo "Error: $2 $1 is not valid"
+            exit 1
+        fi
+    else
+        if ! [[ "$1" =~ ^[a-zA-Z0-9][-|\.|_|a-zA-Z0-9]{0,28}[a-zA-Z0-9]$ ]]
+        then
+            echo "Error: $2 $1 is not valid"
+            exit 1
+        fi
     fi
 }