generate rollup and webpack templates from a single unified branch

_template/build-pkg.js

@@ -0,0 +1,13 @@
+const fs = require('fs');
+
+const type = process.argv[2];
+
+const pkg = require('../package_template.json');
+for (const key in pkg['merge-configs'][type]) {
+	Object.assign(pkg[key], pkg['merge-configs'][type][key]);
+}
+delete pkg['merge-configs'];
+fs.writeFileSync(
+	__dirname + '/../package.json',
+	JSON.stringify(pkg, null, '  ') + '\n'
+);

_template/build.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+cd "$(dirname $0)"/..
+
+# write out SSH key
+[ "$SSH_KEY" ] || exit 1
+echo "$SSH_KEY" > ~/.ssh/id_rsa
+chmod 600 ~/.ssh/id_rsa
+
+# make sure we're on master, and delete the rollup and webpack branches
+git symbolic-ref HEAD refs/heads/master
+git reset --hard
+git branch -D rollup webpack
+
+# create the rollup branch off the current master
+git checkout -b rollup
+node _template/build-pkg.js rollup
+git rm -r --cached .travis.yml _template package_template.json webpack.config.js
+git add package.json
+git commit -m 'Sapper template for Rollup'
+git symbolic-ref HEAD refs/heads/master
+git reset --hard
+
+# create the webpack branch off the current master
+git checkout -b webpack
+node _template/build-pkg.js webpack
+git rm -r --cached .travis.yml _template package_template.json rollup.config.js
+git add package.json
+git commit -m 'Sapper template for webpack'
+git symbolic-ref HEAD refs/heads/master
+git reset --hard
+
+# force push rollup and webpack branches
+git push git@github.com:sveltejs/sapper-template.git rollup webpack -f