$ git clone -n https://gitee.com/src-anolis-dde/xvidcore.git /var/lib/mock/dist-an23-dde-build-331043-69514/root/chroot_tmpdir/scmroot/xvidcore
Cloning into '/var/lib/mock/dist-an23-dde-build-331043-69514/root/chroot_tmpdir/scmroot/xvidcore'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-dde/xvidcore
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd5fc72 !5 rebuild for qt Merge pull request !5 from xzyang/a23