$ git clone -n https://gitee.com/zhuzhustu/rear.git /var/lib/mock/dist-an23-build-522329-76516/root/chroot_tmpdir/scmroot/rear
Cloning into '/var/lib/mock/dist-an23-build-522329-76516/root/chroot_tmpdir/scmroot/rear'...
$ git fetch origin 0054eb3a822b01ca8fa012c4c613449f0064f049:KOJI_FETCH_HEAD
From https://gitee.com/zhuzhustu/rear
 * [new ref]         0054eb3a822b01ca8fa012c4c613449f0064f049 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0054eb3 [Feature] [Upstream] Init package rear-2.9