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-rwxr-xr-xbin/guiscripts/locker2
1 files changed, 2 insertions, 0 deletions
diff --git a/bin/guiscripts/locker b/bin/guiscripts/locker
index 90a1ab5..3d09053 100755
--- a/bin/guiscripts/locker
+++ b/bin/guiscripts/locker
@@ -1,4 +1,6 @@
#!/bin/sh
+which swaylock convert grim > /dev/null ||
+ exit 1
umask 077
file=/tmp/bg.png
grim - > $file