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# Copyright 2022 Google LLC. 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.
"""kt_srcjars"""
# go/keep-sorted start
load("//:visibility.bzl", "RULES_KOTLIN")
load(":run_deploy_jar.bzl", "kt_run_deploy_jar")
# go/keep-sorted end
def _zip(
ctx,
kt_jvm_toolchain,
out_jar,
srcs = [],
common_srcs = [],
ignore_not_allowed_files = False):
"""Creates a srcjar from a set of Kotlin and Java srcs
Paths inside the srcjar are derived from the package name in the source file.
"""
args = ctx.actions.args()
args.add("zip")
args.add(out_jar)
args.add_joined("--kotlin_srcs", srcs, join_with = ",")
args.add_joined("--common_srcs", common_srcs, join_with = ",")
if ignore_not_allowed_files:
args.add("-i")
kt_run_deploy_jar(
ctx = ctx,
java_runtime = kt_jvm_toolchain.java_runtime,
deploy_jar = kt_jvm_toolchain.source_jar_zipper,
inputs = srcs + common_srcs,
outputs = [out_jar],
args = [args],
mnemonic = "KtJar",
progress_message = "Create Jar (kotlin/common.bzl): %{output}",
)
return out_jar
def _unzip(
ctx,
kt_jvm_toolchain,
dir,
input):
args = ctx.actions.args()
args.add("unzip", input)
args.add(dir.path)
kt_run_deploy_jar(
ctx = ctx,
java_runtime = kt_jvm_toolchain.java_runtime,
deploy_jar = kt_jvm_toolchain.source_jar_zipper,
inputs = [input],
outputs = [dir],
args = [args],
mnemonic = "SrcJarUnzip",
)
return dir
def _zip_resources(ctx, kt_jvm_toolchain, output_jar, input_dirs):
"""Packs a sequence of tree artifacts into a single jar.
Given the following file directory structure,
/usr/home/a/x/1.txt
/usr/home/b/y/1.txt
with an input_dirs as [
"/usr/home/a",
"/usr/home/b",
],
The tool produces a jar with in-archive structure of,
x/1.txt
y/1.txt
The function fails on the duplicate jar entry case. e.g. if we pass an
input_dirs as [
"/usr/home/a/x",
"/usr/home/b/y",
],
then the blaze action would fail with an error message.
"java.lang.IllegalStateException: 1.txt has the same path as 1.txt!
If it is intended behavior rename one or both of them."
Args:
ctx: The build rule context.
kt_jvm_toolchain: Toolchain containing the jar tool.
output_jar: The jar to be produced by this action.
input_dirs: A sequence of tree artifacts to be zipped.
Returns:
The generated output jar, i.e. output_jar
"""
args = ctx.actions.args()
args.add("zip_resources")
args.add(output_jar)
args.add_joined(
"--input_dirs",
input_dirs,
join_with = ",",
omit_if_empty = False,
expand_directories = False,
)
kt_run_deploy_jar(
ctx = ctx,
java_runtime = kt_jvm_toolchain.java_runtime,
deploy_jar = kt_jvm_toolchain.source_jar_zipper,
inputs = input_dirs,
outputs = [output_jar],
args = [args],
mnemonic = "KtJarActionFromTreeArtifacts",
progress_message = "Create Jar %{output}",
)
return output_jar
def _DirSrcjarSyncer(
ctx,
kt_jvm_toolchain,
file_factory):
"""Synchronizes the contents of a set of srcjar files and tree-artifacts"""
_dirs = []
_srcjars = []
def add_dirs(dirs):
if not dirs:
return
_dirs.extend(dirs)
_srcjars.append(
_zip_resources(
ctx,
kt_jvm_toolchain,
file_factory.declare_file("%s-codegen.srcjar" % len(_srcjars)),
dirs,
),
)
def add_srcjars(srcjars):
if not srcjars:
return
for srcjar in srcjars:
_dirs.append(
_unzip(
ctx,
kt_jvm_toolchain,
file_factory.declare_directory("%s.expand" % len(_dirs)),
srcjar,
),
)
_srcjars.extend(srcjars)
return struct(
add_dirs = add_dirs,
add_srcjars = add_srcjars,
dirs = _dirs,
srcjars = _srcjars,
)
kt_srcjars = struct(
zip = _zip,
unzip = _unzip,
zip_resources = _zip_resources,
DirSrcjarSyncer = _DirSrcjarSyncer,
)
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