do not remove lock if we were not the ones to aquire it...

cronwrapper/__init__.py

@@ -181,8 +181,13 @@ def main():
     resfile = os.path.join(libdir, 'result')
 
     success = True
+    has_lock = True
     with open(outfile, 'w') as o, open(errfile, 'w+') as e, open(resfile, 'w') as r:
-        if args.no_lock or aquire_lock(lckfile):
+        if args.no_lock:
+            res = exec_command(args, o, e, r)
+        else:
+            has_lock = aquire_lock(lckfile)
+            if has_lock:
                 res = exec_command(args, o, e, r)
             else:
                 e.write("CRONWRAPPER: Unable to aquire lock, previous instance still running?\n")
@@ -249,6 +254,7 @@ def main():
         print("Cronjob failed\n")
         print_runs([libdir], clean=False)
 
+    if has_lock:
         release_lock(lckfile)
 
 if __name__ == '__main__':