#!/bin/sh
set -eu
if [ -d ~/.hgext/evolve ]; then
hg -R ~/.hgext/evolve fetch
else
hg clone https://www.mercurial-scm.org/repo/evolve ~/.hgext/evolve
[ -f ~/.hgext/hgrc ] || echo '[extensions]' > ~/.hgext/hgrc
echo 'evolve = ~/.hgext/evolve/hgext3rd/evolve' >> ~/.hgext/hgrc
fi