$ git clone -n https://src.fedoraproject.org/rpms/dolphin-emu.git /var/lib/mock/f40-build-2586174-62431/root/chroot_tmpdir/scmroot/dolphin-emu
Cloning into '/var/lib/mock/f40-build-2586174-62431/root/chroot_tmpdir/scmroot/dolphin-emu'...
$ git fetch origin 6009558a6628e6f607c752d84d8823e485039684:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dolphin-emu
 * [new ref]         6009558a6628e6f607c752d84d8823e485039684 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6009558 Fix f40 FTBFS