$ git clone -n https://src.fedoraproject.org/rpms/kpmcore.git /var/lib/mock/f40-build-696702-12814/root/chroot_tmpdir/scmroot/kpmcore
Cloning into '/var/lib/mock/f40-build-696702-12814/root/chroot_tmpdir/scmroot/kpmcore'...
$ git fetch origin 14799c9e7d80a820e5071aef819b894dd5fb1f92:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kpmcore
 * [new ref]         14799c9e7d80a820e5071aef819b894dd5fb1f92 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14799c9 24.02.2