change from full depth clone to shallow clone

scripts/install.sh

@@ -16,7 +16,7 @@
 #   directory =~/texmf=
 
 #   See package requirements inside the code
-    
+
 
 # INTERNAL
 distro=$(lsb_release -is)
@@ -106,7 +106,8 @@ case $distro in
     folder="${HOME}/.config/emacs"
     mkdir -p $folder
     echo "git clone"
-    if ! git clone http://gogs.weseng.de/daniel/emacs.git "${folder}" 2>/dev/null && test -d "${folder}" ; then
+    # shallow clone
+    if ! git clone --depth 1 http://gogs.weseng.de/daniel/emacs.git "${folder}" 2>/dev/null && test -d "${folder}" ; then
       echo "clone failed because the folder ${folder} exists"
     fi