$ git clone -n https://src.fedoraproject.org/rpms/kf5-mailcommon.git /var/lib/mock/f38-build-side-42-init-devel-714614-27289/root/chroot_tmpdir/scmroot/kf5-mailcommon
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-714614-27289/root/chroot_tmpdir/scmroot/kf5-mailcommon'...
$ git fetch origin 58127e8780afe63bf05e6ef8e510d3f4bb218221:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-mailcommon
 * [new ref]         58127e8780afe63bf05e6ef8e510d3f4bb218221 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 58127e8 feat: 22.12.3