* separate command in nerest quick to set executable bit on quick script *.sh files & check quick_dir exists before launch nerest script operations

wp/nerest-quick.sh

@@ -1,5 +1,13 @@
 #!/bin/bash
 QUICK_DIR=quick
 
-cd $QUICK_DIR &&
-find ./ -name "*.sh.example" -exec sh -c 'F={}; cp -u $F ${F%.example} && chmod +x ${F%.example}' \;
+if [[ ! -d $QUICK_DIR ]]; then
+  echo "Quick dir not exists: ${QUICK_DIR}"
+  exit 1
+fi
+
+cd $QUICK_DIR
+
+find ./ -name "*.sh.example" -exec sh -c 'F={}; cp -u $F ${F%.example}' \;
+
+find ./ -name "*.sh" -exec sh -c 'F={}; chmod +x ${F}' \;