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Merge pull request #439 from sourcegraph/bazel-build
Add Bazel support, fixes #88
2 parents 2c9341c + d7bb45f commit e0fbe11

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‎.bazelignore‎

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examples/
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‎.bazelversion‎

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5.1.1

‎.github/workflows/ci.yml‎

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with:
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go-version: "^1.13.1"
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- run: sbt test
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bazel:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v2
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- run: yarn global add @bazel/bazelisk
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- run: bazel build //... --//semanticdb-javac:enabled=true
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- run: bazel run lsif-semanticdb:bazel -- --sourceroot "$PWD"
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- run: du -h dump.lsif-typed
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- run: bazel build //... --@lsif_java//semanticdb-javac:enabled=true
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working-directory: examples/bazel-example
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- run: bazel run @lsif_java//lsif-semanticdb:bazel -- --sourceroot "$PWD"
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working-directory: examples/bazel-example
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- run: du -h dump.lsif-typed
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working-directory: examples/bazel-example
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check:
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runs-on: ubuntu-latest
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steps:

‎.gitignore‎

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./generated
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/sources
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bazel-bin
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bazel-lsif-java
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bazel-out
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bazel-testlogs

‎.tool-versions‎

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golang 1.17.5

‎WORKSPACE‎

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workspace(name = "lsif_java_tests")
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load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
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##############
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# Bazel stdlib
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##############
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# To update this version, copy-paste instructions from https://github.com/bazelbuild/bazel-skylib/releases
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http_archive(
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name = "bazel_skylib",
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sha256 = "1c531376ac7e5a180e0237938a2536de0c54d93f5c278634818e0efc952dd56c",
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urls = [
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"https://github.com/bazelbuild/bazel-skylib/releases/download/1.0.3/bazel-skylib-1.0.3.tar.gz",
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"https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.0.3/bazel-skylib-1.0.3.tar.gz",
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],
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)
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##########
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# Protobuf
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##########
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# To update this version, copy-paste instructions from https://github.com/bazelbuild/rules_proto/releases
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http_archive(
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name = "rules_proto",
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sha256 = "e017528fd1c91c5a33f15493e3a398181a9e821a804eb7ff5acdd1d2d6c2b18d",
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strip_prefix = "rules_proto-4.0.0-3.20.0",
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urls = [
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"https://github.com/bazelbuild/rules_proto/archive/refs/tags/4.0.0-3.20.0.tar.gz",
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],
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)
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load("@rules_proto//proto:repositories.bzl", "rules_proto_dependencies", "rules_proto_toolchains")
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rules_proto_dependencies()
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rules_proto_toolchains()
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##############
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# JVM External
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##############
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# To update this version, copy-paste instructions from https://github.com/bazelbuild/rules_jvm_external/releases
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RULES_JVM_EXTERNAL_TAG = "4.2"
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RULES_JVM_EXTERNAL_SHA = "cd1a77b7b02e8e008439ca76fd34f5b07aecb8c752961f9640dea15e9e5ba1ca"
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http_archive(
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name = "rules_jvm_external",
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strip_prefix = "rules_jvm_external-%s" % RULES_JVM_EXTERNAL_TAG,
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sha256 = RULES_JVM_EXTERNAL_SHA,
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url = "https://github.com/bazelbuild/rules_jvm_external/archive/%s.zip" % RULES_JVM_EXTERNAL_TAG,
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)
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load("@rules_jvm_external//:repositories.bzl", "rules_jvm_external_deps")
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rules_jvm_external_deps()
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load("@rules_jvm_external//:setup.bzl", "rules_jvm_external_setup")
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rules_jvm_external_setup()
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load("@rules_jvm_external//:defs.bzl", "maven_install")
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maven_install(
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artifacts = [
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"com.google.protobuf:protobuf-java:3.15.6",
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"com.google.protobuf:protobuf-java-util:3.15.6",
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"org.projectlombok:lombok:1.18.22",
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],
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repositories = [
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"https://repo1.maven.org/maven2",
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],
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)

‎examples/bazel-example/WORKSPACE‎

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# This is an end-to-end example of how to consume lsif-java from an external repository.
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workspace(name = "lsif_java_example")
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load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
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##############
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# Bazel stdlib
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##############
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# To update this version, copy-paste instructions from https://github.com/bazelbuild/bazel-skylib/releases
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http_archive(
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name = "bazel_skylib",
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sha256 = "1c531376ac7e5a180e0237938a2536de0c54d93f5c278634818e0efc952dd56c",
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urls = [
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"https://github.com/bazelbuild/bazel-skylib/releases/download/1.0.3/bazel-skylib-1.0.3.tar.gz",
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"https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.0.3/bazel-skylib-1.0.3.tar.gz",
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],
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)
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##############
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# lsif-java
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##############
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local_repository(
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name = "lsif_java",
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path = "../.."
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)
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# TODO: add commented out `http_archive` example once this workspace file is available on GitHub.
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##########
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# Protobuf
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##########
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# To update this version, copy-paste instructions from https://github.com/bazelbuild/rules_proto/releases
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http_archive(
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name = "rules_proto",
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sha256 = "e017528fd1c91c5a33f15493e3a398181a9e821a804eb7ff5acdd1d2d6c2b18d",
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strip_prefix = "rules_proto-4.0.0-3.20.0",
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urls = [
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"https://github.com/bazelbuild/rules_proto/archive/refs/tags/4.0.0-3.20.0.tar.gz",
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],
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)
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load("@rules_proto//proto:repositories.bzl", "rules_proto_dependencies", "rules_proto_toolchains")
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rules_proto_dependencies()
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rules_proto_toolchains()
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##############
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# JVM External
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##############
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# To update this version, copy-paste instructions from https://github.com/bazelbuild/rules_jvm_external/releases
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RULES_JVM_EXTERNAL_TAG = "4.2"
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RULES_JVM_EXTERNAL_SHA = "cd1a77b7b02e8e008439ca76fd34f5b07aecb8c752961f9640dea15e9e5ba1ca"
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http_archive(
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name = "rules_jvm_external",
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strip_prefix = "rules_jvm_external-%s" % RULES_JVM_EXTERNAL_TAG,
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sha256 = RULES_JVM_EXTERNAL_SHA,
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url = "https://github.com/bazelbuild/rules_jvm_external/archive/%s.zip" % RULES_JVM_EXTERNAL_TAG,
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)
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load("@rules_jvm_external//:repositories.bzl", "rules_jvm_external_deps")
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rules_jvm_external_deps()
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load("@rules_jvm_external//:setup.bzl", "rules_jvm_external_setup")
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rules_jvm_external_setup()
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load("@rules_jvm_external//:defs.bzl", "maven_install")
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maven_install(
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artifacts = [
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"com.google.protobuf:protobuf-java:3.15.6", # Required dependency by lsif-java.
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"com.google.protobuf:protobuf-java-util:3.15.6", # Required dependency by lsif-java.
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"com.google.guava:guava:31.0-jre", # Not required dependency, only used by tests.
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],
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repositories = [
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"https://repo1.maven.org/maven2",
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],
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)

‎examples/bazel-example/src/main/java/example/BUILD‎

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# We import the custom `java_library` implementation that automatically adds the
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# SemanticDB compiler plugin based on the presence of the flag
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# `--@lsif_java//semanticdb-javac:enabled=true`. By default, this java_library
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# rule works just like the official java_library rule. Feel free to copy-paste
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# the `semanticdb:defs.bzl` file and adapt to your needs. This example is only
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# for demonstration purposes.
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load("@lsif_java//semanticdb-javac:defs.bzl", "java_library")
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package(
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default_visibility = ["//visibility:public"],
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)
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java_library(
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name = "example",
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srcs = ["Example.java"],
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deps = [
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"@maven//:com_google_guava_guava",
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],
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)

‎examples/bazel-example/src/main/java/example/Example.java‎

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package example;
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import com.google.common.util.concurrent.Futures;
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public class Example {
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public static void hello() {
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System.out.println(Futures.immediateCancelledFuture());
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}
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}

‎lsif-java/src/main/scala/com/sourcegraph/lsif_java/commands/IndexSemanticdbCommand.scala‎

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@Description(
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"Whether to process the SemanticDB files in parallel"
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) parallel: Boolean = true,
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@Description(
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"Whether to infer the location of SemanticDB files based as produced by Bazel"
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) bazel: Boolean = true,
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@Description("URL to a PackageHub instance")
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@Hidden
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packagehub: Option[String] = None,

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