add messages, use directory instead of folder, check for regular file

1 files changed, 10 insertions, 2 deletions

diff --git a/lock b/lock
index b0ba75f..78e406a 100755
--- a/lock
+++ b/lock
@@ -1,6 +1,14 @@
 lock() {
 
-	if ! mkdir "$1" &>/dev/null;  then
+	if [[ -f "$1" ]]; then
+		echo "$1 is not a lock directory."
+		exit 1
+	fi
+
+	if mkdir "$1" &>/dev/null;  then
+		echo "lock $1 created" >&2
+	else
+		echo "lock $1 found, waiting for unlock" >&2
 		while true; do
 			sleep 2;
 			if [[ ! -d "$1" ]]; then
@@ -14,7 +22,7 @@ lock() {
 if [[ "$#" -eq "1" ]]; then
 	lock $1
 else
-	echo "please supply one argument: the lock folder"
+	echo "please supply one argument: the lock directory."
 	exit 1
 fi