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diff --git a/tools/build_defs/jsonnet/jsonnet.bzl b/tools/build_defs/jsonnet/jsonnet.bzl
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-# Copyright 2015 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.
-
-"""Jsonnet rules for Bazel."""
-
-_JSONNET_FILETYPE = FileType([".jsonnet"])
-
-def _setup_deps(deps):
- """Collects source files and import flags of transitive dependencies.
-
- Args:
- deps: List of deps labels from ctx.attr.deps.
-
- Returns:
- Returns a struct containing the following fields:
- transitive_sources: List of Files containing sources of transitive
- dependencies
- imports: List of Strings containing import flags set by transitive
- dependency targets.
- """
- transitive_sources = set(order="compile")
- imports = set()
- for dep in deps:
- transitive_sources += dep.transitive_jsonnet_files
- imports += ["%s/%s" % (dep.label.package, im) for im in dep.imports]
-
- return struct(
- transitive_sources = transitive_sources,
- imports = imports)
-
-def _jsonnet_library_impl(ctx):
- """Implementation of the jsonnet_library rule."""
- depinfo = _setup_deps(ctx.attr.deps)
- sources = depinfo.transitive_sources + ctx.files.srcs
- imports = depinfo.imports + ctx.attr.imports
- return struct(files = set(),
- transitive_jsonnet_files = sources,
- imports = imports)
-
-def _jsonnet_toolchain(ctx):
- return struct(
- jsonnet_path = ctx.file.jsonnet.path,
- imports = ["-J %s" % ctx.file.std.dirname])
-
-def _jsonnet_to_json_impl(ctx):
- """Implementation of the jsonnet_to_json rule."""
- depinfo = _setup_deps(ctx.attr.deps)
- toolchain = _jsonnet_toolchain(ctx)
- jsonnet_vars = ctx.attr.vars
- jsonnet_code_vars = ctx.attr.code_vars
- command = (
- [
- "set -e;",
- toolchain.jsonnet_path,
- ] +
- ["-J %s/%s" % (ctx.label.package, im) for im in ctx.attr.imports] +
- ["-J %s" % im for im in depinfo.imports] +
- toolchain.imports +
- ["-J ."] +
- ["--var '%s'='%s'"
- % (var, jsonnet_vars[var]) for var in jsonnet_vars.keys()] +
- ["--code-var '%s'='%s'"
- % (var, jsonnet_code_vars[var]) for var in jsonnet_code_vars.keys()])
-
- outputs = []
- # If multiple_outputs is set to true, then jsonnet will be invoked with the
- # -m flag for multiple outputs. Otherwise, jsonnet will write the resulting
- # JSON to stdout, which is redirected into a single JSON output file.
- if len(ctx.attr.outs) > 1 or ctx.attr.multiple_outputs:
- output_json_files = [ctx.new_file(ctx.configuration.bin_dir, out.name)
- for out in ctx.attr.outs]
- outputs += output_json_files
- command += ["-m", output_json_files[0].dirname, ctx.file.src.path]
- else:
- if len(ctx.attr.outs) > 1:
- fail("Only one file can be specified in outs if multiple_outputs is " +
- "not set.")
-
- compiled_json = ctx.new_file(ctx.configuration.bin_dir,
- ctx.attr.outs[0].name)
- outputs += [compiled_json]
- command += [ctx.file.src.path, "-o", compiled_json.path]
-
- compile_inputs = (
- [ctx.file.src, ctx.file.jsonnet, ctx.file.std] +
- list(depinfo.transitive_sources))
-
- ctx.action(
- inputs = compile_inputs,
- outputs = outputs,
- mnemonic = "Jsonnet",
- command = " ".join(command),
- use_default_shell_env = True,
- progress_message = "Compiling Jsonnet to JSON for " + ctx.label.name);
-
-_EXIT_CODE_COMPARE_COMMAND = """
-EXIT_CODE=$?
-EXPECTED_EXIT_CODE=%d
-if [ $EXIT_CODE -ne $EXPECTED_EXIT_CODE ] ; then
- echo "FAIL (exit code): %s"
- echo "Expected: $EXPECTED_EXIT_CODE"
- echo "Actual: $EXIT_CODE"
- echo "Output: $OUTPUT"
- exit 1
-fi
-"""
-
-_DIFF_COMMAND = """
-GOLDEN=$(cat %s)
-if [ "$OUTPUT" != "$GOLDEN" ]; then
- echo "FAIL (output mismatch): %s"
- echo "Diff:"
- diff <(echo $GOLDEN) <(echo $OUTPUT)
- echo "Expected: $GOLDEN"
- echo "Actual: $OUTPUT"
- exit 1
-fi
-"""
-
-_REGEX_DIFF_COMMAND = """
-GOLDEN_REGEX=$(cat %s)
-if [[ ! "$OUTPUT" =~ $GOLDEN_REGEX ]]; then
- echo "FAIL (regex mismatch): %s"
- echo "Output: $OUTPUT"
- exit 1
-fi
-"""
-
-def _jsonnet_to_json_test_impl(ctx):
- """Implementation of the jsonnet_to_json_test rule."""
- depinfo = _setup_deps(ctx.attr.deps)
- toolchain = _jsonnet_toolchain(ctx)
-
- golden_files = []
- if ctx.file.golden:
- golden_files += [ctx.file.golden]
- if ctx.attr.regex:
- diff_command = _REGEX_DIFF_COMMAND % (ctx.file.golden.short_path,
- ctx.label.name)
- else:
- diff_command = _DIFF_COMMAND % (ctx.file.golden.short_path,
- ctx.label.name)
-
- jsonnet_vars = ctx.attr.vars
- jsonnet_code_vars = ctx.attr.code_vars
- jsonnet_command = " ".join(
- ["OUTPUT=$(%s" % ctx.file.jsonnet.short_path] +
- ["-J %s/%s" % (ctx.label.package, im) for im in ctx.attr.imports] +
- ["-J %s" % im for im in depinfo.imports] +
- toolchain.imports +
- ["-J ."] +
- ["--var %s=%s"
- % (var, jsonnet_vars[var]) for var in jsonnet_vars.keys()] +
- ["--code-var %s=%s"
- % (var, jsonnet_code_vars[var]) for var in jsonnet_code_vars.keys()] +
- [
- ctx.file.src.path,
- "2>&1)",
- ])
-
- command = "\n".join([
- "#!/bin/bash",
- jsonnet_command,
- _EXIT_CODE_COMPARE_COMMAND % (ctx.attr.error, ctx.label.name),
- diff_command])
-
- ctx.file_action(output = ctx.outputs.executable,
- content = command,
- executable = True);
-
- test_inputs = (
- [ctx.file.src, ctx.file.jsonnet, ctx.file.std] +
- golden_files +
- list(depinfo.transitive_sources))
-
- return struct(
- runfiles = ctx.runfiles(files = test_inputs, collect_data = True))
-
-_jsonnet_common_attrs = {
- "deps": attr.label_list(providers = ["transitive_jsonnet_files"],
- allow_files = False),
- "imports": attr.string_list(),
- "jsonnet": attr.label(
- default = Label("@bazel_tools//tools/build_defs/jsonnet:jsonnet"),
- cfg = HOST_CFG,
- executable = True,
- single_file = True),
- "std": attr.label(
- default = Label("@bazel_tools//tools/build_defs/jsonnet:std"),
- single_file = True),
-}
-
-_jsonnet_library_attrs = {
- "srcs": attr.label_list(allow_files = _JSONNET_FILETYPE),
-}
-
-jsonnet_library = rule(
- _jsonnet_library_impl,
- attrs = _jsonnet_library_attrs + _jsonnet_common_attrs,
-)
-
-_jsonnet_compile_attrs = {
- "src": attr.label(allow_files = _JSONNET_FILETYPE,
- single_file = True),
- "vars": attr.string_dict(),
- "code_vars": attr.string_dict(),
-}
-
-_jsonnet_to_json_attrs = _jsonnet_compile_attrs + {
- "outs": attr.output_list(mandatory = True),
- "multiple_outputs": attr.bool(),
-}
-
-jsonnet_to_json = rule(
- _jsonnet_to_json_impl,
- attrs = _jsonnet_to_json_attrs + _jsonnet_common_attrs,
-)
-
-_jsonnet_to_json_test_attrs = _jsonnet_compile_attrs + {
- "golden": attr.label(allow_files = True, single_file = True),
- "error": attr.int(),
- "regex": attr.bool(),
-}
-
-jsonnet_to_json_test = rule(
- _jsonnet_to_json_test_impl,
- attrs = _jsonnet_to_json_test_attrs + _jsonnet_common_attrs,
- executable = True,
- test = True,
-)
-
-def jsonnet_repositories():
- native.git_repository(
- name = "jsonnet",
- remote = "https://github.com/google/jsonnet.git",
- tag = "v0.8.1",
- )
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-23 15:21:09 +0000