$ git clone -n https://src.fedoraproject.org/rpms/R-fontawesome.git /var/lib/mock/f39-build-2216338-52479/root/chroot_tmpdir/scmroot/R-fontawesome
Cloning into '/var/lib/mock/f39-build-2216338-52479/root/chroot_tmpdir/scmroot/R-fontawesome'...
$ git fetch origin 0d249a9fbec28bad93bf3d0a8ddbed6f9e261bef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-fontawesome
 * [new ref]         0d249a9fbec28bad93bf3d0a8ddbed6f9e261bef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0d249a9 Fix upgrade issue (bz 2252701)