$ git clone -n https://src.fedoraproject.org/rpms/kf5-kinit.git /var/lib/mock/f40-build-2159281-50941/root/chroot_tmpdir/scmroot/kf5-kinit
Cloning into '/var/lib/mock/f40-build-2159281-50941/root/chroot_tmpdir/scmroot/kf5-kinit'...
$ git fetch origin 338dae0592f504d45366efca4ac877acfb3fdfe2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kinit
 * [new ref]         338dae0592f504d45366efca4ac877acfb3fdfe2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 338dae0 5.113.0