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# -*- Mode:Python; indent-tabs-mode:nil; tab-width:4 -*-
#
# Copyright (C) 2016 Canonical Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""This plugin is used for gulp.js, the streaming build system.
The plugin uses gulp to drive the build. It requires a gulpfile.js in
the root of the source.
This plugin uses the common plugin keywords as well as those for "sources".
For more information check the 'plugins' topic for the former and the
'sources' topic for the latter.
Additionally, this plugin uses the following plugin-specific keywords:
- gulp-tasks:
(list)
A list of gulp tasks to run.
- node-engine:
(string)
The version of nodejs to use for the build.
"""
import logging
import os
import shutil
import snapcraft
from snapcraft import sources
from snapcraft.plugins import nodejs
logger = logging.getLogger(__name__)
class GulpPlugin(snapcraft.BasePlugin):
@classmethod
def schema(cls):
schema = super().schema()
node_properties = nodejs.NodePlugin.schema()["properties"]
schema["properties"]["gulp-tasks"] = {
"type": "array",
"minitems": 1,
"uniqueItems": True,
"items": {"type": "string"},
"default": [],
}
schema["properties"]["node-engine"] = node_properties["node-engine"]
schema["required"].append("gulp-tasks")
return schema
@classmethod
def get_build_properties(cls):
# Inform Snapcraft of the properties associated with building. If these
# change in the YAML Snapcraft will consider the build step dirty.
return ["gulp-tasks"]
@classmethod
def get_pull_properties(cls):
# Inform Snapcraft of the properties associated with pulling. If these
# change in the YAML Snapcraft will consider the pull step dirty.
return ["node-engine"]
def __init__(self, name, options, project):
super().__init__(name, options, project)
self._npm_dir = os.path.join(self.partdir, "npm")
self._nodejs_tar = sources.Tar(
nodejs.get_nodejs_release(self.options.node_engine, self.project.deb_arch),
self._npm_dir,
)
def pull(self):
super().pull()
os.makedirs(self._npm_dir, exist_ok=True)
self._nodejs_tar.download()
def clean_pull(self):
super().clean_pull()
# Remove the npm directory (if any)
if os.path.exists(self._npm_dir):
shutil.rmtree(self._npm_dir)
def build(self):
super().build()
self._nodejs_tar.provision(self._npm_dir, clean_target=False, keep_tarball=True)
env = os.environ.copy()
env["PATH"] = "{}:{}".format(os.path.join(self._npm_dir, "bin"), env["PATH"])
env["NPM_CONFIG_PREFIX"] = self._npm_dir
self.run(["npm", "install", "-g", "gulp-cli"], env=env)
if os.path.exists(os.path.join(self.builddir, "package.json")):
self.run(["npm", "install", "--only-development"], env=env)
self.run(
[os.path.join(self._npm_dir, "bin", "gulp")] + self.options.gulp_tasks,
env=env,
)