$ git clone -n https://gitee.com/forrest_ly/gemmlowp.git /var/lib/mock/dist-an23-build-275559-64312/root/chroot_tmpdir/scmroot/gemmlowp
Cloning into '/var/lib/mock/dist-an23-build-275559-64312/root/chroot_tmpdir/scmroot/gemmlowp'...
$ git fetch origin dc6461ff6c75e30b7fc60e4e40a243573154d75f:KOJI_FETCH_HEAD
From https://gitee.com/forrest_ly/gemmlowp
 * [new ref]         dc6461ff6c75e30b7fc60e4e40a243573154d75f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc6461f init for anolis 23