assume first part of $BACKUP is the executable

Pointed out in #8
pigmonkey · Feb 15, 2024 · c410f4b · c410f4b
1 parent 2bff849
commit c410f4b
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/cryptshot.sh b/cryptshot.sh
@@ -119,9 +119,11 @@ if [ ! -d "$MOUNTPOINT" ]; then
     fi
 fi
 
-# Exit if backup program is not executable.
-if [ ! -x "$BACKUP" ]; then
-    echo 'Backup program not existing or not executable.'
+# Exit if backup program is not executable. Assume the executable is everything
+# up to the first space.
+BACKUP_EX=${BACKUP%%[[:space:]]*}
+if [ ! -x "$BACKUP_EX" ]; then
+    echo "Backup program does not exist or is not executable: $BACKUP_EX"
     exit $EX_CONFIG
 fi