$ git clone -n https://src.fedoraproject.org/rpms/kf5-mailimporter.git /var/lib/mock/f40-build-2363911-60368/root/chroot_tmpdir/scmroot/kf5-mailimporter
Cloning into '/var/lib/mock/f40-build-2363911-60368/root/chroot_tmpdir/scmroot/kf5-mailimporter'...
$ git fetch origin d6b1b08f5ad76fa9a0360602e36042f4f143a1ea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-mailimporter
 * [new ref]         d6b1b08f5ad76fa9a0360602e36042f4f143a1ea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d6b1b08 replace LicenseRef-KDE-Accepted-* licenses