Add command to build release zip (https://github.com/woocommerce/woocommerce-admin/pull/768)

* Add command to build release zip

* Modify Gutenberg build script to work with wc-admin

* Small fixes

* Add all includes

* Remove install command, since build also installs

plugins/woocommerce-admin/bin/build-plugin-zip.sh

@@ -0,0 +1,84 @@
+#!/bin/bash
+
+# Exit if any command fails.
+set -e
+
+# Change to the expected directory.
+cd "$(dirname "$0")"
+cd ..
+
+# Enable nicer messaging for build status.
+BLUE_BOLD='\033[1;34m';
+GREEN_BOLD='\033[1;32m';
+RED_BOLD='\033[1;31m';
+YELLOW_BOLD='\033[1;33m';
+COLOR_RESET='\033[0m';
+error () {
+	echo -e "\n${RED_BOLD}$1${COLOR_RESET}\n"
+}
+status () {
+	echo -e "\n${BLUE_BOLD}$1${COLOR_RESET}\n"
+}
+success () {
+	echo -e "\n${GREEN_BOLD}$1${COLOR_RESET}\n"
+}
+warning () {
+	echo -e "\n${YELLOW_BOLD}$1${COLOR_RESET}\n"
+}
+
+status "💃 Time to release WooCommerce Admin 🕺"
+
+# Make sure there are no changes in the working tree. Release builds should be
+# traceable to a particular commit and reliably reproducible. (This is not
+# totally true at the moment because we download nightly vendor scripts).
+changed=
+if ! git diff --exit-code > /dev/null; then
+	changed="file(s) modified"
+elif ! git diff --cached --exit-code > /dev/null; then
+	changed="file(s) staged"
+fi
+if [ ! -z "$changed" ]; then
+	git status
+	error "ERROR: Cannot build plugin zip with dirty working tree. ☝️
+       Commit your changes and try again."
+	exit 1
+fi
+
+# Do a dry run of the repository reset. Prompting the user for a list of all
+# files that will be removed should prevent them from losing important files!
+status "Resetting the repository to pristine condition. ✨"
+git clean -xdf --dry-run
+warning "🚨 About to delete everything above! Is this okay? 🚨"
+echo -n "[y]es/[N]o: "
+read answer
+if [ "$answer" != "${answer#[Yy]}" ]; then
+	# Remove ignored files to reset repository to pristine condition. Previous
+	# test ensures that changed files abort the plugin build.
+	status "Cleaning working directory... 🛀"
+	git clean -xdf
+else
+	error "Fair enough; aborting. Tidy up your repo and try again. 🙂"
+	exit 1
+fi
+
+# Run the build.
+status "Generating build... 👷‍♀️"
+npm run build
+npm run docs
+
+build_files=$(ls dist/*/*.{js,css})
+
+# Generate the plugin zip file.
+status "Creating archive... 🎁"
+zip -r wc-admin.zip \
+	wc-admin.php \
+	lib/*.php \
+	includes/*.php \
+	includes/**/*.php \
+	images/* \
+	$build_files \
+	languages/wc-admin.pot \
+	languages/wc-admin.php \
+	README.md
+
+success "Done. You've built WooCommerce Admin! 🎉 "

plugins/woocommerce-admin/package.json

@@ -17,6 +17,7 @@
     "build:packages": "node ./bin/packages/build.js",
     "build:core": "cross-env NODE_ENV=production webpack",
     "build": "npm run build:packages && npm run build:core",
+    "build:release": "./bin/build-plugin-zip.sh",
     "postbuild": "npm run -s i18n:php && npm run -s i18n:pot",
     "prestart": "npm run -s install-if-deps-outdated",
     "dev:packages": "node ./bin/packages/watch.js",