$ git clone -n https://src.fedoraproject.org/rpms/kpmcore.git /var/lib/mock/f40-build-2505987-61702/root/chroot_tmpdir/scmroot/kpmcore
Cloning into '/var/lib/mock/f40-build-2505987-61702/root/chroot_tmpdir/scmroot/kpmcore'...
$ git fetch origin de344a63979f08800b364ea17247290a7cb63ef4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kpmcore
 * [new ref]         de344a63979f08800b364ea17247290a7cb63ef4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at de344a6 24.02.0