$ git clone -n https://gitee.com/mgb01105731/lttng-ust.git /var/lib/mock/dist-an23.2-build-422060-72903/root/chroot_tmpdir/scmroot/lttng-ust
Cloning into '/var/lib/mock/dist-an23.2-build-422060-72903/root/chroot_tmpdir/scmroot/lttng-ust'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/lttng-ust
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 36212d5 Update to 2.13.7 from 2.13.5