$ git clone -n https://src.fedoraproject.org/rpms/mesa.git /var/lib/mock/f41-build-side-1-2956905-35568/root/chroot_tmpdir/scmroot/mesa
Cloning into '/var/lib/mock/f41-build-side-1-2956905-35568/root/chroot_tmpdir/scmroot/mesa'...
$ git fetch origin 13e7077a0a8f26671f7190a2825e55ccd3c90aea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mesa
 * [new ref]         13e7077a0a8f26671f7190a2825e55ccd3c90aea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13e7077 Update to 24.2.$