Init Git Hooks only after git got initialized

Otherwise we get error messages like

/usr/local/bin/.start: line 246: .git/hooks/post-checkout: No such file or directory
chmod: .git/hooks/post-checkout: No such file or directory
grep: .git/hooks/post-checkout: No such file or directory
/usr/local/bin/.start: line 251: .git/hooks/post-checkout: No such file or directory

added To Do label

added Doing label and removed To Do label

mentioned in commit 5e44cc91

closed

removed Doing label

assigned to @jurgenhaas