build: fix xargs compatibility problem in check-gogenerate.sh (pingca…

…p#13057)
doerjiayi · Nov 1, 2019 · 79b4086 · 79b4086
1 parent aac4971
commit 79b4086
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/tools/check/check-gogenerate.sh b/tools/check/check-gogenerate.sh
@@ -2,7 +2,8 @@
 set -euo pipefail
 
 go generate ./...
-if git status -s | awk '{print $2}' | xargs grep '^// Code generated .* DO NOT EDIT\.$' > /dev/null
+diffline=$(git status -s | awk '{print $2}' | xargs grep '^// Code generated .* DO NOT EDIT\.$' 2>/dev/null | wc -l)
+if [[ $diffline != 0 ]]
 then
   echo "Your commit is changed after running go generate ./..., it should not hanppen."
   exit 1