$ git clone -n https://src.fedoraproject.org/rpms/fwupd.git /var/lib/mock/f40-build-2590392-62616/root/chroot_tmpdir/scmroot/fwupd
Cloning into '/var/lib/mock/f40-build-2590392-62616/root/chroot_tmpdir/scmroot/fwupd'...
$ git fetch origin 0e8064218a6bc39a9032cc7393651ff5b304e6ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fwupd
 * [new ref]         0e8064218a6bc39a9032cc7393651ff5b304e6ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0e80642 New upstream release