$ git clone -n https://gitee.com/mgb01105731/aom_2.git /var/lib/mock/dist-an23-build-377070-71752/root/chroot_tmpdir/scmroot/aom_2
Cloning into '/var/lib/mock/dist-an23-build-377070-71752/root/chroot_tmpdir/scmroot/aom_2'...
$ git fetch origin 483d9ee630fb054f55197871defb72cdf7656ca3:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/aom_2
 * [new ref]         483d9ee630fb054f55197871defb72cdf7656ca3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 483d9ee update to 3.7.1