$ git clone -n https://src.fedoraproject.org/rpms/R-igraph.git /var/lib/mock/f33-build-508639-64484/root/chroot_tmpdir/scmroot/R-igraph
Cloning into '/var/lib/mock/f33-build-508639-64484/root/chroot_tmpdir/scmroot/R-igraph'...
$ git reset --hard 37892f888679987bd54f693dd18c67c72b870dac
HEAD is now at 37892f8 Update to latest version.