# @generated, with one change (see MODIFICATION)
NPMJS = "NPMJS"
GERRIT = "GERRIT:"
NPM_VERSIONS = {
"bower": "1.8.0",
"crisper": "2.0.2",
"vulcanize": "1.14.8",
}
NPM_SHA1S = {
"bower": "55dbebef0ad9155382d9e9d3e497c1372345b44a",
"crisper": "7183c58cea33632fb036c91cefd1b43e390d22a2",
"vulcanize": "679107f251c19ab7539529b1e3fdd40829e6fc63",
}
def _npm_tarball(name):
return "%s@%s.npm_binary.tgz" % (name, NPM_VERSIONS[name])
def _npm_binary_impl(ctx):
"""rule to download a NPM archive."""
name = ctx.name
version= NPM_VERSIONS[name]
sha1 = NPM_VERSIONS[name]
dir = '%s-%s' % (name, version)
filename = '%s.tgz' % dir
base = '%s@%s.npm_binary.tgz' % (name, version)
dest = ctx.path(base)
repository = ctx.attr.repository
if repository == GERRIT:
url = 'http://gerrit-maven.storage.googleapis.com/npm-packages/%s' % filename
elif repository == NPMJS:
url = 'http://registry.npmjs.org/%s/-/%s' % (name, filename)
else:
fail('repository %s not in {%s,%s}' % (repository, GERRIT, NPMJS))
python = ctx.which("python")
script = ctx.path(ctx.attr._download_script)
sha1 = NPM_SHA1S[name]
args = [python, script, "-o", dest, "-u", url, "-v", sha1]
out = ctx.execute(args)
if out.return_code:
fail("failed %s: %s" % (args, out.stderr))
ctx.file("BUILD", "package(default_visibility=['//visibility:public'])\nfilegroup(name='tarball', srcs=['%s'])" % base, False)
npm_binary = repository_rule(
attrs = {
# Label resolves within repo of the .bzl file.
"_download_script": attr.label(default = Label("//tools:download_file.py")),
"repository": attr.string(default = NPMJS),
},
local = True,
implementation = _npm_binary_impl,
)
# for use in repo rules.
def _run_npm_binary_str(ctx, tarball, args):
python_bin = ctx.which("python")
return " ".join([
python_bin,
ctx.path(ctx.attr._run_npm),
ctx.path(tarball)] + args)
def _bower_archive(ctx):
"""Download a bower package."""
download_name = '%s__download_bower.zip' % ctx.name
renamed_name = '%s__renamed.zip' % ctx.name
version_name = '%s__version.json' % ctx.name
cmd = [
ctx.which("python"),
ctx.path(ctx.attr._download_bower),
'-b', '%s' % _run_npm_binary_str(ctx, ctx.attr._bower_archive, []),
'-n', ctx.name,
'-p', ctx.attr.package,
'-v', ctx.attr.version,
'-s', ctx.attr.sha1,
'-o', download_name,
]
out = ctx.execute(cmd)
if out.return_code:
fail("failed %s: %s" % (" ".join(cmd), out.stderr))
_bash(ctx, " && " .join([
"TMP=$(mktemp -d || mktemp -d -t bazel-tmp)",
"cd $TMP",
"mkdir bower_components",
"cd bower_components",
"unzip %s" % ctx.path(download_name),
"cd ..",
"zip -r %s bower_components" % renamed_name,]))
dep_version = ctx.attr.semver if ctx.attr.semver else ctx.attr.version
ctx.file(version_name,
'"%s":"%s#%s"' % (ctx.name, ctx.attr.package, dep_version))
ctx.file(
"BUILD",
"\n".join([
"package(default_visibility=['//visibility:public'])",
"filegroup(name = 'zipfile', srcs = ['%s'], )" % download_name,
"filegroup(name = 'version_json', srcs = ['%s'], visibility=['//visibility:public'])" % version_name,
]), False)
def _bash(ctx, cmd):
cmd_list = ["bash", "-c", cmd]
out = ctx.execute(cmd_list)
if out.return_code:
fail("failed %s: %s" % (" ".join(cmd_list), out.stderr))
bower_archive = repository_rule(
_bower_archive,
attrs = {
"_bower_archive": attr.label(default = Label("@bower//:%s" % _npm_tarball("bower"))),
"_run_npm": attr.label(default = Label("//tools/js:run_npm_binary.py")),
"_download_bower": attr.label(default = Label("//tools/js:download_bower.py")),
"sha1": attr.string(mandatory = True),
"version": attr.string(mandatory = True),
"package": attr.string(mandatory = True),
"semver": attr.string(),
},
)
def _bower_component_impl(ctx):
transitive_zipfiles = set_which_is_banned([ctx.file.zipfile])
for d in ctx.attr.deps:
transitive_zipfiles += d.transitive_zipfiles
transitive_licenses = set_which_is_banned()
if ctx.file.license:
transitive_licenses += set_which_is_banned([ctx.file.license])
for d in ctx.attr.deps:
transitive_licenses += d.transitive_licenses
transitive_versions = set_which_is_banned(ctx.files.version_json)
for d in ctx.attr.deps:
transitive_versions += d.transitive_versions
return struct(
transitive_zipfiles=transitive_zipfiles,
transitive_versions=transitive_versions,
transitive_licenses=transitive_licenses,
)
_common_attrs = {
"deps": attr.label_list(providers = [
"transitive_zipfiles",
"transitive_versions",
"transitive_licenses",
]),
}
def _js_component(ctx):
dir = ctx.outputs.zip.path + ".dir"
name = ctx.outputs.zip.basename
if name.endswith(".zip"):
name = name[:-4]
dest = "%s/%s" % (dir, name)
cmd = " && ".join([
"mkdir -p %s" % dest,
"cp %s %s/" % (' '.join([s.path for s in ctx.files.srcs]), dest),
"cd %s" % dir,
"find . -exec touch -t 198001010000 '{}' ';'",
"zip -qr ../%s *" % ctx.outputs.zip.basename
])
ctx.action(
inputs = ctx.files.srcs,
outputs = [ctx.outputs.zip],
command = cmd,
mnemonic = "GenBowerZip")
licenses = set_which_is_banned()
if ctx.file.license:
licenses += set_which_is_banned([ctx.file.license])
return struct(
transitive_zipfiles=list([ctx.outputs.zip]),
transitive_versions=set_which_is_banned([]),
transitive_licenses=licenses)
js_component = rule(
_js_component,
attrs = _common_attrs + {
"srcs": attr.label_list(allow_files = [".js"]),
"license": attr.label(allow_single_file = True),
},
outputs = {
"zip": "%{name}.zip",
},
)
_bower_component = rule(
_bower_component_impl,
attrs = _common_attrs + {
"zipfile": attr.label(allow_single_file = [".zip"]),
"license": attr.label(allow_single_file = True),
"version_json": attr.label(allow_files = [".json"]),
# If set, define by hand, and don't regenerate this entry in bower2bazel.
"seed": attr.bool(default = False),
},
)
# TODO(hanwen): make license mandatory.
def bower_component(name, license=None, **kwargs):
prefix = "//lib:LICENSE-"
if license and not license.startswith(prefix):
license = prefix + license
_bower_component(
name=name,
license=license,
zipfile="@%s//:zipfile"% name,
version_json="@%s//:version_json" % name,
**kwargs)
def _bower_component_bundle_impl(ctx):
"""A bunch of bower components zipped up."""
zips = set_which_is_banned([])
for d in ctx.attr.deps:
zips += d.transitive_zipfiles
versions = set_which_is_banned([])
for d in ctx.attr.deps:
versions += d.transitive_versions
licenses = set_which_is_banned([])
for d in ctx.attr.deps:
licenses += d.transitive_versions
out_zip = ctx.outputs.zip
out_versions = ctx.outputs.version_json
ctx.action(
inputs=list(zips),
outputs=[out_zip],
command=" && ".join([
"p=$PWD",
"rm -rf %s.dir" % out_zip.path,
"mkdir -p %s.dir/bower_components" % out_zip.path,
"cd %s.dir/bower_components" % out_zip.path,
"for z in %s; do unzip -q $p/$z ; done" % " ".join(sorted([z.path for z in zips])),
"cd ..",
"find . -exec touch -t 198001010000 '{}' ';'",
"zip -qr $p/%s bower_components/*" % out_zip.path,
]),
mnemonic="BowerCombine")
ctx.action(
inputs=list(versions),
outputs=[out_versions],
mnemonic="BowerVersions",
command="(echo '{' ; for j in %s ; do cat $j; echo ',' ; done ; echo \\\"\\\":\\\"\\\"; echo '}') > %s" % (" ".join([v.path for v in versions]), out_versions.path))
return struct(
transitive_zipfiles=zips,
transitive_versions=versions,
transitive_licenses=licenses)
bower_component_bundle = rule(
_bower_component_bundle_impl,
attrs = _common_attrs,
outputs = {
"zip": "%{name}.zip",
"version_json": "%{name}-versions.json",
},
)
"""Groups a set of bower components together in a zip file.
Outputs:
NAME-versions.json:
a JSON file containing a PKG-NAME => PKG-NAME#VERSION mapping for the
transitive dependencies.
NAME.zip:
a zip file containing the transitive dependencies for this bundle.
"""
def _vulcanize_impl(ctx):
# intermediate artifact.
vulcanized = ctx.new_file(
ctx.configuration.genfiles_dir, ctx.outputs.html, ".vulcanized.html")
destdir = ctx.outputs.html.path + ".dir"
zips = [z for d in ctx.attr.deps for z in d.transitive_zipfiles ]
hermetic_npm_binary = " ".join([
'python',
"$p/" + ctx.file._run_npm.path,
"$p/" + ctx.file._vulcanize_archive.path,
'--inline-scripts',
'--inline-css',
'--strip-comments',
'--out-html', "$p/" + vulcanized.path,
ctx.file.app.path
])
pkg_dir = ctx.attr.pkg.lstrip("/")
cmd = " && ".join([
# unpack dependencies.
"export PATH",
"p=$PWD",
"rm -rf %s" % destdir,
"mkdir -p %s/%s/bower_components" % (destdir, pkg_dir),
"for z in %s; do unzip -qd %s/%s/bower_components/ $z; done" % (
' '.join([z.path for z in zips]), destdir, pkg_dir),
"tar -cf - %s | tar -C %s -xf -" % (" ".join([s.path for s in ctx.files.srcs]), destdir),
"cd %s" % destdir,
hermetic_npm_binary,
])
# Node/NPM is not (yet) hermeticized, so we have to get the binary
# from the environment, and it may be under $HOME, so we can't run
# in the sandbox.
node_tweaks = dict(
use_default_shell_env = True,
execution_requirements = {"local": "1"},
)
ctx.action(
mnemonic = "Vulcanize",
inputs = [ctx.file._run_npm, ctx.file.app,
ctx.file._vulcanize_archive
] + list(zips) + ctx.files.srcs,
outputs = [vulcanized],
command = cmd,
**node_tweaks)
hermetic_npm_command = "export PATH && " + " ".join([
'python',
ctx.file._run_npm.path,
ctx.file._crisper_archive.path,
"--always-write-script",
"--source", vulcanized.path,
"--html", ctx.outputs.html.path,
"--js", ctx.outputs.js.path])
ctx.action(
mnemonic = "Crisper",
inputs = [ctx.file._run_npm, ctx.file.app,
ctx.file._crisper_archive, vulcanized],
outputs = [ctx.outputs.js, ctx.outputs.html],
command = hermetic_npm_command,
**node_tweaks)
_vulcanize_rule = rule(
_vulcanize_impl,
attrs = {
"deps": attr.label_list(providers = ["transitive_zipfiles"]),
"app": attr.label(
mandatory = True,
allow_single_file = True,
),
"srcs": attr.label_list(allow_files = [
".js",
".html",
".txt",
".css",
".ico",
]),
"pkg": attr.string(mandatory = True),
"_run_npm": attr.label(
default = Label("//tools/js:run_npm_binary.py"),
allow_single_file = True,
),
"_vulcanize_archive": attr.label(
default = Label("@vulcanize//:%s" % _npm_tarball("vulcanize")),
allow_single_file = True,
),
"_crisper_archive": attr.label(
default = Label("@crisper//:%s" % _npm_tarball("crisper")),
allow_single_file = True,
),
},
outputs = {
"html": "%{name}.html",
"js": "%{name}.js",
},
)
def vulcanize(*args, **kwargs):
"""Vulcanize runs vulcanize and crisper on a set of sources."""
# !!!BEGIN MODIFICATION!!!
# WAS:
# _vulcanize_rule(*args, pkg=PACKAGE_NAME, **kwargs)
# MODIFIED TO FOLLOW THE STARLARK SPEC
_vulcanize_rule(pkg=PACKAGE_NAME, *args, **kwargs)
# !!!END MODIFICATION!!!