Set git config system wide

scripts/Common/Software/git/main.fish

@@ -7,7 +7,10 @@ begin
             sudo git config --system $argv
         end
 
-        setConfig init.defaultBranch "main"
+        if isSet "$branch"
+            setConfig init.defaultBranch (getConfig "$branch")
+        end
+
         setConfig user.name "Manuel Thalmann"
         setConfig user.email "m@nuth.ch"
 
@@ -15,6 +18,7 @@ begin
             set -l dir (mktemp -d)
 
             pushd "$dir" > /dev/null
+            begin
                 git init
                 git commit --allow-empty -m "Initial commit" > /dev/null
                 git branch master || true &> /dev/null
@@ -23,6 +27,7 @@ begin
                 yes "" | git flow init &> /dev/null
                 sudo git flow config set --system master main > /dev/null
                 sudo git flow config set --system develop dev > /dev/null
+            end
             popd > /dev/null
 
             rm -rf "$dir"