$ git clone -n https://src.fedoraproject.org/rpms/kf5-mailimporter.git /var/lib/mock/f38-build-729619-101821/root/chroot_tmpdir/scmroot/kf5-mailimporter
Cloning into '/var/lib/mock/f38-build-729619-101821/root/chroot_tmpdir/scmroot/kf5-mailimporter'...
$ git fetch origin e7c5ccd74ce8dd06eb00110820677c079e51d63d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-mailimporter
 * [new ref]         e7c5ccd74ce8dd06eb00110820677c079e51d63d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e7c5ccd 23.04.2