$ git clone -n https://gitee.com/src-anolis-os/libisoburn.git /var/lib/mock/dist-an23.3-build-425944-72976/root/chroot_tmpdir/scmroot/libisoburn
Cloning into '/var/lib/mock/dist-an23.3-build-425944-72976/root/chroot_tmpdir/scmroot/libisoburn'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/libisoburn
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 869ea10 Update to 1.5.6 from 1.5.4