$ git clone -n https://src.fedoraproject.org/rpms/flare-engine.git /var/lib/mock/f38-build-722611-98845/root/chroot_tmpdir/scmroot/flare-engine
Cloning into '/var/lib/mock/f38-build-722611-98845/root/chroot_tmpdir/scmroot/flare-engine'...
$ git fetch origin 77150b026feaa6bc1f9c4ae64cb5d83f58df17df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flare-engine
 * [new ref]         77150b026feaa6bc1f9c4ae64cb5d83f58df17df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77150b0 Update font dependency to unifont-ttf-fonts