$ git clone -n https://gitee.com/alpha-wang/bear.git /var/lib/mock/dist-an8.9-build-419136-72835/root/chroot_tmpdir/scmroot/bear
Cloning into '/var/lib/mock/dist-an8.9-build-419136-72835/root/chroot_tmpdir/scmroot/bear'...
$ git fetch origin b5ac8bc6fa4b984087ef6afff6565df55c4673a1:KOJI_FETCH_HEAD
From https://gitee.com/alpha-wang/bear
 * [new ref]         b5ac8bc6fa4b984087ef6afff6565df55c4673a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b5ac8bc update bear-2.4.4