lib/intentions-queue: make intentions_left() work similar to flock and verbose_flock()

1 files changed, 9 insertions, 2 deletions

diff --git a/lib/intentions-queue b/lib/intentions-queue
index e9b79de..c92a4d1 100755
--- a/lib/intentions-queue
+++ b/lib/intentions-queue
@@ -68,11 +68,18 @@ execute_intention() {
   "${intentions_directory}/intention.${next_number}"
 }
 
-# intentions_left
+# intentions_left [-n]
 # check if there are undone intentions left
 # return 0 if there is something left to do
 # return 1 if nothing is queued
+# with -n: return immediately
+# without -n: wait until nothing more to do
 intentions_left() {
+  if [ ! "x$1" = 'x-n' ]; then
+    while intentions_left -n; do
+      sleep 1
+    done
+  fi
   find "${intentions_directory}" \
     -maxdepth 1 \
     -type f \
@@ -90,7 +97,7 @@ intentions_left() {
 # execute_all_intentions
 # executes all intentions
 execute_all_intentions() {
-  while intentions_left; do
+  while intentions_left -n; do
     execute_intention
   done
 }