Fix error when hooks files/dirs don't exist

We had been relying on `hooks/pre-up` and `hooks/post-up` files to
exist. This explicitly checks first.

Fixes #34.

1 files changed, 6 insertions, 1 deletions

diff --git a/share/rcm.sh.in b/share/rcm.sh.in
index 3260cd4..f6deccd 100644
--- a/share/rcm.sh.in
+++ b/share/rcm.sh.in
@@ -109,10 +109,15 @@ run_hooks() {
   local direction=$2
   local hook_file="$dotfiles_dir/hooks/$when-$direction"
 
+  if [ ! -e "$hook_file" ]; then
+    $DEBUG "no $when-$direction hook file, skipping"
+    return 1
+  fi
+
   if [ $RUN_HOOKS -eq 1 ]; then
     for dotfiles_dir in $DOTFILES_DIRS; do
       $VERBOSE "running $when-$direction hooks for $dotfiles_dir"
-      find "$dotfiles_dir/hooks/$when-$direction" -type f -perm +111 -print -exec {} \;
+      find "$hook_file" -type f -perm +111 -print -exec {} \;
     done
   fi
 }