$ git clone -n https://src.fedoraproject.org/rpms/kf5-mailimporter.git /var/lib/mock/f40-build-743701-111387/root/chroot_tmpdir/scmroot/kf5-mailimporter
Cloning into '/var/lib/mock/f40-build-743701-111387/root/chroot_tmpdir/scmroot/kf5-mailimporter'...
$ git fetch origin 220f76cd61cdebcc3f1a3c61cf1f883eac14b03f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-mailimporter
 * [new ref]         220f76cd61cdebcc3f1a3c61cf1f883eac14b03f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 220f76c 23.08.2