$ git clone -n https://src.fedoraproject.org/rpms/R-igraph.git /var/lib/mock/f38-build-686783-81497/root/chroot_tmpdir/scmroot/R-igraph
Cloning into '/var/lib/mock/f38-build-686783-81497/root/chroot_tmpdir/scmroot/R-igraph'...
$ git reset --hard e55c4c199275c934ebc3418cfd9fc19ef2b3000c
HEAD is now at e55c4c1 update to 1.4.0, disable tests until R-vdiffr makes it into Fedora (if ever)