From d959a780d43ba2aa119f557b8750447b295c5e3c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?okhowang=28=E7=8E=8B=E6=B2=9B=E6=96=87=29?=
 <okhowang@tencent.com>
Date: Fri, 22 Jun 2018 15:51:34 +0800
Subject: [PATCH] use python flock firstly

---
 Library/Homebrew/utils/lock.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Library/Homebrew/utils/lock.sh b/Library/Homebrew/utils/lock.sh
index d8651cd754..060941d78a 100644
--- a/Library/Homebrew/utils/lock.sh
+++ b/Library/Homebrew/utils/lock.sh
@@ -45,12 +45,12 @@ _create_lock() {
   if [[ -x "$ruby" ]] && "$ruby" -e "exit(RUBY_VERSION >= '1.8.7')"
   then
     "$ruby" -e "File.new($lock_fd).flock(File::LOCK_EX | File::LOCK_NB) || exit(1)"
-  elif [[ -x "$(type -P flock)" ]]
-  then
-    flock -n "$lock_fd"
   elif [[ -x "$python" ]]
   then
     "$python" -c "import fcntl; fcntl.flock($lock_fd, fcntl.LOCK_EX | fcntl.LOCK_NB)"
+  elif [[ -x "$(type -P flock)" ]]
+  then
+    flock -n "$lock_fd"
   else
     onoe "Cannot create $name lock, please avoid running Homebrew in parallel."
   fi