$ git clone -n https://src.fedoraproject.org/rpms/mesa.git /var/lib/mock/f41-build-side-1-3057421-38401/root/chroot_tmpdir/scmroot/mesa
Cloning into '/var/lib/mock/f41-build-side-1-3057421-38401/root/chroot_tmpdir/scmroot/mesa'...
$ git fetch origin 67856fe097862e9991c51ebb73b532100a89e40a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mesa
 * [new ref]         67856fe097862e9991c51ebb73b532100a89e40a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67856fe Update to 24.2.6