$ git clone -n https://src.fedoraproject.org/rpms/kf5-kcalendarutils.git /var/lib/mock/f40-build-2292527-56143/root/chroot_tmpdir/scmroot/kf5-kcalendarutils
Cloning into '/var/lib/mock/f40-build-2292527-56143/root/chroot_tmpdir/scmroot/kf5-kcalendarutils'...
$ git fetch origin 6ba4aa4fa63f4c111da1f502ef0061d2361eb835:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kcalendarutils
 * [new ref]         6ba4aa4fa63f4c111da1f502ef0061d2361eb835 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ba4aa4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild