$ git clone -n https://gitee.com/wency_cn/python-blivet.git /var/lib/mock/dist-an23-build-492810-74562/root/chroot_tmpdir/scmroot/python-blivet
Cloning into '/var/lib/mock/dist-an23-build-492810-74562/root/chroot_tmpdir/scmroot/python-blivet'...
$ git fetch origin 2b89d8848c5f0b4a160f33db33de68c94f703271:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/python-blivet
 * [new ref]         2b89d8848c5f0b4a160f33db33de68c94f703271 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b89d88 Update code from upstream