$ git clone -n https://src.fedoraproject.org/rpms/kf5-mailimporter.git /var/lib/mock/f38-build-722483-98813/root/chroot_tmpdir/scmroot/kf5-mailimporter
Cloning into '/var/lib/mock/f38-build-722483-98813/root/chroot_tmpdir/scmroot/kf5-mailimporter'...
$ git fetch origin 3db34786e00445813456adc26988f84af98e6521:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-mailimporter
 * [new ref]         3db34786e00445813456adc26988f84af98e6521 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3db3478 23.04.1