$ git clone -n https://src.fedoraproject.org/rpms/krfb.git /var/lib/mock/f42-build-863664-171728/root/chroot_tmpdir/scmroot/krfb
Cloning into '/var/lib/mock/f42-build-863664-171728/root/chroot_tmpdir/scmroot/krfb'...
$ git fetch origin 0ca63bb5b8b78ca68ccb683c38c96ad5726b0580:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/krfb
 * [new ref]         0ca63bb5b8b78ca68ccb683c38c96ad5726b0580 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ca63bb 24.12.0