X-Git-Url: https://git.madduck.net/code/vcsh.git/blobdiff_plain/974ccb022b59ac80145a6d43ff4f11b18ae49de1..798d70b901cf63afde2eb05794791a5c943c4c51:/vcsh

diff --git a/vcsh b/vcsh
index 8e765c4..279de43 100755
--- a/vcsh
+++ b/vcsh
@@ -284,20 +284,26 @@ retire() {
 	unset VCSH_DIRECTORY
 }
 
+command_exists() {
+	command -v "$1" >/dev/null 2>&1 || fatal "Could not find '$1' command"
+}
+
 list_untracked() {
+	command_exists comm
+
 	temp_file_others=$(mktemp) || fatal 'Could not create temp file'
 	temp_file_untracked=$(mktemp) || fatal 'Could not create temp file'
 	temp_file_untracked_copy=$(mktemp) || fatal 'Could not create temp file'
 	
 	# create dummy git repo
 	temp_repo=$(mktemp -d) || fatal 'Could not create temp repo'
-	(
+
 	cd $temp_repo || fatal 'Could not cd into temp repo'
 	git init -q
 	mktemp -q -p $(pwd) > /dev/null || fatal 'Could not create dummy file'
 	git add .
 	git commit -q -m "dummy"
-	)
+	cd - > /dev/null 2>&1 || fatal 'Could not cd back'
 	
 	export GIT_DIR=$temp_repo/.git
 	git ls-files --others --directory | sort -u > $temp_file_untracked