$ git clone -n https://gitee.com/opencloudos-stream/glib2.git /var/lib/mock/dist-ocs23-build-120582-8676/root/chroot_tmpdir/scmroot/glib2
Cloning into '/var/lib/mock/dist-ocs23-build-120582-8676/root/chroot_tmpdir/scmroot/glib2'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/glib2
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 80821dc !3 update to 2.78.3 Merge pull request !3 from abushwang/master