$ git clone -n https://src.fedoraproject.org/rpms/krfb.git /var/lib/mock/f42-build-side-1-3511673-46059/root/chroot_tmpdir/scmroot/krfb
Cloning into '/var/lib/mock/f42-build-side-1-3511673-46059/root/chroot_tmpdir/scmroot/krfb'...
$ git fetch origin 32065af67d11ef674e5c94f2a53bdc6043a3b02b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/krfb
 * [new ref]         32065af67d11ef674e5c94f2a53bdc6043a3b02b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 32065af Rebuild (qt6)