Remove hard coded home

Also wrote shell script in shell...

support/rewrite-hooks.sh

@@ -3,25 +3,19 @@
 # $1 is an optional argument specifying the location of the repositories directory.
 # Defaults to /home/git/repositories if not provided
 
-home_dir="/home/git"
-src=${1:-"$home_dir/repositories"}
+src=${1:-"$HOME/repositories"}
 
 function create_link_in {
-  ln -s -f "$home_dir/gitlab-shell/hooks/update" "$1/hooks/update"
+  ln -s -f "$HOME/gitlab-shell/hooks/update" "$1/hooks/update"
 }
 
-for dir in `ls "$src/"`
-do
-  if [ -d "$src/$dir" ]; then
-    if [[ "$dir" =~ ^.*\.git$ ]]
-    then
-      create_link_in "$src/$dir"
+for dir in "$src/"*; do
+  if [ -d "$dir" ]; then
+    if [ "$dir" != "${dir%.git}" ]; then
+      create_link_in "$dir"
     else
-      for subdir in `ls "$src/$dir/"`
-      do
-        if [ -d "$src/$dir/$subdir" ] && [[ "$subdir" =~ ^.*\.git$ ]]; then
-          create_link_in "$src/$dir/$subdir"
-        fi
+      for subdir in "$dir/"*.git; do
+        create_link_in "$subdir"
       done
     fi
   fi