Merge branch '2.0release' into develop

@@ -2,7 +2,7 @@
 
 cat <<END >>/dev/null
 touch git-ensure-commit &&
-echo "cd `pwd` && git checkout develop &&" >git-ensure-commit &&
+echo "cd `pwd` &&" >git-ensure-commit &&
 echo "bash `pwd`/git.commit.sh" >>git-ensure-commit &&
 chmod +x git-ensure-commit &&
 sudo rm -f /bin/git-ensure-commit &&
@@ -23,7 +23,10 @@ work_dir=`(cd ${work_dir}/.. && pwd)`
 product_dir=$work_dir
 
 # allow start script from any dir
-cd $work_dir && git checkout 2.0release
+cd $work_dir && work_branch=`git branch -a|grep "*"|awk '{print $2}'` && commit_branch=2.0release && git checkout $commit_branch
+ret=$"; if [[ $ret -ne 0 ]]; then echo "switch branch failed. ret=$ret"; exit $ret; fi
+echo "work branch is $work_branch"
+echo "commit branch is $commit_branch"
 
 . ${product_dir}/scripts/_log.sh
 ret=$?; if [[ $ret -ne 0 ]]; then exit $ret; fi
@@ -76,4 +79,7 @@ sync_push --tags srs.oschina
 sync_push --tags srs.gitlab
 ok_msg "push tags ok"
 
+git checkout $work_branch
+ok_msg "switch to work branch $work_branch"
+
 exit 0