$ git clone -n https://gitee.com/src-anolis-dde/libass.git /var/lib/mock/dist-an23-dde-build-330684-69461/root/chroot_tmpdir/scmroot/libass
Cloning into '/var/lib/mock/dist-an23-dde-build-330684-69461/root/chroot_tmpdir/scmroot/libass'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-dde/libass
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 244a4e5 !6 rebuild for qt Merge pull request !6 from xzyang/a23