$ git clone -n https://src.fedoraproject.org/rpms/mesa.git /var/lib/mock/f40-build-800458-143537/root/chroot_tmpdir/scmroot/mesa
Cloning into '/var/lib/mock/f40-build-800458-143537/root/chroot_tmpdir/scmroot/mesa'...
$ git fetch origin 1604f1b3525c9f2381a3b6d88ced1c541b08b203:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mesa
 * [new ref]         1604f1b3525c9f2381a3b6d88ced1c541b08b203 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1604f1b Update to 24.0.4