| # Copyright 2018 The Bazel Authors. All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| """bindata.bzl provides the bindata rule for embedding data in .go files""" |
| |
| load( |
| "//go:def.bzl", |
| "go_context", |
| ) |
| load( |
| "//go/private:go_toolchain.bzl", |
| "GO_TOOLCHAIN", |
| ) |
| |
| def _bindata_impl(ctx): |
| go = go_context(ctx) |
| out = go.declare_file(go, ext = ".go") |
| arguments = ctx.actions.args() |
| arguments.add_all([ |
| "-o", |
| out, |
| "-pkg", |
| ctx.attr.package, |
| "-prefix", |
| ctx.label.package, |
| ]) |
| if not ctx.attr.compress: |
| arguments.add("-nocompress") |
| if not ctx.attr.metadata: |
| arguments.add("-nometadata") |
| if not ctx.attr.memcopy: |
| arguments.add("-nomemcopy") |
| if not ctx.attr.modtime: |
| arguments.add_all(["-modtime", "0"]) |
| if ctx.attr.extra_args: |
| arguments.add_all(ctx.attr.extra_args) |
| srcs = [f.path for f in ctx.files.srcs] |
| if ctx.attr.strip_external and any([f.startswith("external/") for f in srcs]): |
| arguments.add("-prefix", ctx.label.workspace_root + "/" + ctx.label.package) |
| arguments.add_all(srcs) |
| ctx.actions.run( |
| inputs = ctx.files.srcs, |
| outputs = [out], |
| mnemonic = "GoBindata", |
| executable = ctx.executable._bindata, |
| arguments = [arguments], |
| ) |
| return [ |
| DefaultInfo( |
| files = depset([out]), |
| ), |
| ] |
| |
| bindata = rule( |
| implementation = _bindata_impl, |
| attrs = { |
| "srcs": attr.label_list(allow_files = True), |
| "package": attr.string(mandatory = True), |
| "compress": attr.bool(default = True), |
| "metadata": attr.bool(default = False), |
| "memcopy": attr.bool(default = True), |
| "modtime": attr.bool(default = False), |
| "strip_external": attr.bool(default = False), |
| "extra_args": attr.string_list(), |
| "_bindata": attr.label( |
| executable = True, |
| cfg = "host", |
| default = "@com_github_kevinburke_go_bindata//go-bindata:go-bindata", |
| ), |
| "_go_context_data": attr.label( |
| default = "//:go_context_data", |
| ), |
| }, |
| toolchains = [GO_TOOLCHAIN], |
| ) |