$ git clone -n https://gitee.com/mabofu/dsms.git /var/lib/mock/dist-an23-build-275835-64320/root/chroot_tmpdir/scmroot/dsms
Cloning into '/var/lib/mock/dist-an23-build-275835-64320/root/chroot_tmpdir/scmroot/dsms'...
$ git fetch origin a446b8dc7f621891c4618469a282c8575d97bcaa:KOJI_FETCH_HEAD
From https://gitee.com/mabofu/dsms
 * [new ref]         a446b8dc7f621891c4618469a282c8575d97bcaa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a446b8d init from upstream