Fix post-checkout script

Don't exit on no-such-variable because we can just silently fail...

1 files changed, 2 insertions, 5 deletions

diff --git a/Biz/Ide/post-checkout b/Biz/Ide/post-checkout
index 41ede59..95b35cd 100755
--- a/Biz/Ide/post-checkout
+++ b/Biz/Ide/post-checkout
@@ -1,17 +1,14 @@
 #!/usr/bin/env bash
-set -eu
+set -e
 init_tags=$BIZ_ROOT/Biz/Ide/init_tags.sh
-
 old=$1
 new=$2
-
 # filter out only the changed haskell files
 changed=($(git diff --diff-filter=d --name-only $old $new -- '*.hs'))
-
 if [[ ! -r tags ]]
 then
     $init_tags
-elif [[ ${#changed} -gt 0 ]]
+elif [[ ${#changed[@]} -gt 0 ]]
 then
     $init_tags $changed
 fi