$ git clone -n https://gitee.com/mgb01105731/skopeo_3.git /var/lib/mock/dist-an23.4-build-539895-84491/root/chroot_tmpdir/scmroot/skopeo_3
Cloning into '/var/lib/mock/dist-an23.4-build-539895-84491/root/chroot_tmpdir/scmroot/skopeo_3'...
$ git fetch origin a23.4:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/skopeo_3
 * [new branch]      a23.4      -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 90bd132 test