Bugfix error at commit000

Fixed bug when sed chopped commit000 to empty number

gitsave.sh

@@ -34,7 +34,9 @@ last=$(git log -1 --pretty=%s)
 [[ ${last:0:6} == "commit" ]] || error "Incorrect last commit name \"$last\"!"
 
 # Last commit number, also remove leading zeros
-lcn=${last:6:9} | sed 's/^0*//'
+lcn=${last:6:9}
+
+[[ $lcn -eq "000" ]] && lcn=0 || lcn=$(echo $lcn | sed 's/^0*//') # TODO: a cleaner sed
 
 # Check if integer
 [[ $lcn =~ ^-?[0-9]+$ ]] || error "Incorrect last commit number \"$last\"!"