$ git clone -n https://src.fedoraproject.org/rpms/kpmcore.git /var/lib/mock/f42-build-863652-171725/root/chroot_tmpdir/scmroot/kpmcore
Cloning into '/var/lib/mock/f42-build-863652-171725/root/chroot_tmpdir/scmroot/kpmcore'...
$ git fetch origin ecdc55f9c9cd6a8c0b69c13cb84aee2ef7428831:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kpmcore
 * [new ref]         ecdc55f9c9cd6a8c0b69c13cb84aee2ef7428831 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ecdc55f 24.12.0