$ git clone -n https://src.fedoraproject.org/rpms/kf5-kcoreaddons.git /var/lib/mock/f40-build-2556392-62038/root/chroot_tmpdir/scmroot/kf5-kcoreaddons
Cloning into '/var/lib/mock/f40-build-2556392-62038/root/chroot_tmpdir/scmroot/kf5-kcoreaddons'...
$ git fetch origin 132266617de5a2df6662cc8754abc7e5bab87f90:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kcoreaddons
 * [new ref]         132266617de5a2df6662cc8754abc7e5bab87f90 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1322666 5.115.0