$ git clone -n https://src.fedoraproject.org/rpms/R-Cairo.git /var/lib/mock/f31-build-49607-27316/root/chroot_tmpdir/scmroot/R-Cairo
Cloning into '/var/lib/mock/f31-build-49607-27316/root/chroot_tmpdir/scmroot/R-Cairo'...
$ git reset --hard 2cb3375131d97a76c1231c9d5426ed2d6ffaaaa4
HEAD is now at 2cb3375 Simplify summary and description.