Bump actions/checkout from 3 to 4

.circleci/config.yml

@@ -0,0 +1,40 @@
+version: 2
+jobs:
+  build:
+    working_directory: ~/repo
+    docker:
+      - image: circleci/openjdk:8-jdk-stretch
+    environment:
+      MAVEN_OPTS: -Xmx3200m
+      _JAVA_OPTIONS: "-Xms1g -Xmx1g"
+    steps:
+      - checkout
+      - run:
+          name: environment check
+          command: |
+            java -XX:+PrintFlagsFinal -version | grep -iE 'HeapSize|PermSize|ThreadStackSize'
+            env MAVEN_OPTS="-XX:+PrintFlagsFinal" mvn -version | grep -iE 'HeapSize|PermSize|ThreadStackSize'
+            mvn -version
+
+      # Download and cache dependencies
+      - restore_cache:
+          keys:
+            - v1-dependencies-{{ checksum "pom.xml" }}
+            # fallback to using the latest cache if no exact match is found
+            - v1-dependencies-
+
+      - run: mvn deploy -s .circleci/settings.xml -Dartifactory.username=$ARTIFACTORY_USER -Dartifactory.password=$ARTIFACTORY_APIKEY
+
+      - save_cache:
+          paths:
+            - ~/.m2
+          key: v1-dependencies-{{ checksum "pom.xml" }}
+
+
+
+workflows:
+  version: 2
+  ci_build:
+    jobs:
+      - build:
+          context: deploy-keys

.circleci/settings.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<settings xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.1.0 http://maven.apache.org/xsd/settings-1.1.0.xsd"
+          xmlns="http://maven.apache.org/SETTINGS/1.1.0"
+          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <servers>
+    <server>
+      <id>vertispan-snapshots</id>
+      <username>${artifactory.username}</username>
+      <password>${artifactory.password}</password>
+    </server>
+  </servers>
+</settings>
+

.github/ci_support/test_closure-compiler-npm.sh

@@ -20,7 +20,7 @@
 #   - PWD = closure-compiler-npm repo root
 #
 # Params:
-#   1. File name of compiler_unshaded_deploy.jar
+#   1. File name of compiler_uberjar_deploy.jar
 function main() {
   local compiler_jar="$1"
 

.github/workflows/ci.yaml

@@ -51,7 +51,7 @@ jobs:
         # Clone closure-compiler repo from the commit under test into current directory.
       - name: Checkout Current closure-compiler Commit
         # https://github.com/marketplace/actions/checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # https://github.com/bazelbuild/setup-bazelisk
       - uses: bazelbuild/setup-bazelisk@v2
@@ -63,7 +63,7 @@ jobs:
         # upload-artifact doesn't support paths with symlinks
         run: |
           mkdir -p ${{ env.UNSYMLINK_DIR }}
-          cp -t ${{ env.UNSYMLINK_DIR }} bazel-bin/compiler_unshaded_deploy.jar
+          cp -t ${{ env.UNSYMLINK_DIR }} bazel-bin/compiler_uberjar_deploy.jar
           cp -t ${{ env.UNSYMLINK_DIR }} bazel-bin/*_bundle.jar
 
         # Share the following files with other jobs in this workflow. They can be grabbed using ID
@@ -74,7 +74,7 @@ jobs:
         uses: actions/upload-artifact@v3
         with:
           name: unshaded_compiler
-          path: ${{ env.UNSYMLINK_DIR }}/compiler_unshaded_deploy.jar
+          path: ${{ env.UNSYMLINK_DIR }}/compiler_uberjar_deploy.jar
           if-no-files-found: error
 
         # If this build will be uploadaded as a SNAPSHOT, share the Sonatype bundles with the other
@@ -104,7 +104,7 @@ jobs:
         # Clone closure-compiler-npm repo from master into the current directory.
       - name: Checkout Current closure-compiler-npm Commit
         # https://github.com/marketplace/actions/checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: google/closure-compiler-npm
           ref: master
@@ -113,7 +113,7 @@ jobs:
         # submodule
       - name: Checkout Current closure-compiler Commit
         # https://github.com/marketplace/actions/checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: compiler
 
@@ -128,7 +128,7 @@ jobs:
           path: compiler/bazel-bin
 
       - name: Test closure-compiler-npm
-        run: compiler/.github/ci_support/test_closure-compiler-npm.sh compiler/bazel-bin/compiler_unshaded_deploy.jar
+        run: compiler/.github/ci_support/test_closure-compiler-npm.sh compiler/bazel-bin/compiler_uberjar_deploy.jar
 
   deploy-snapshots:
     name: Deploy Snapshot Bundles to Sonatype
@@ -152,7 +152,7 @@ jobs:
         # Clone closure-compiler repo from the commit under test into current directory.
       - name: Checkout Current closure-compiler Commit
         # https://github.com/marketplace/actions/checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Node.js
         uses: actions/setup-node@v3

BUILD.bazel

@@ -44,9 +44,9 @@ sonatype_artifact_bundle(
 sonatype_artifact_bundle(
     name = "compiler_unshaded_bundle",
     artifact_id = "closure-compiler-unshaded",
-    jar = ":compiler_unshaded_deploy.jar",
+    jar = ":compiler_unshaded",
     javadoc = ":compiler_lib_no_runtime_libs.javadoc",
-    pom = "maven/closure-compiler-unshaded.pom.xml",
+    pom = ":compiler_unshaded-pom",
     sources = ":compiler_lib_no_runtime_libs.sources",
 )
 
@@ -71,16 +71,28 @@ sonatype_artifact_bundle(
 
 jar_jar(
     name = "compiler_shaded",
-    input_jar = ":compiler_unshaded_deploy.jar",
+    input_jar = ":compiler_uberjar_deploy.jar",
     rules = "rules.jarjar",
 )
 
 java_binary(
-    name = "compiler_unshaded",
+    name = "compiler_uberjar",
     main_class = "com.google.javascript.jscomp.CommandLineRunner",
     runtime_deps = [":compiler_lib"],
 )
 
+# Produce an unshaded export jar based on :compiler_lib
+load("@rules_jvm_external//:defs.bzl", "java_export")
+version = "$(COMPILER_VERSION)" or "1.0-SNAPSHOT"
+java_export(
+    name = "compiler_unshaded",
+    maven_coordinates = "com.google.javascript:closure-compiler-unshaded:{0}".format(version),
+    runtime_deps = [
+        "//:compiler_lib",
+    ],
+    pom_template = "maven/closure-compiler-unshaded.pom.xml.tpl"
+)
+
 java_binary(
     name = "linter",
     main_class = "com.google.javascript.jscomp.LinterMain",
@@ -173,7 +185,7 @@ oss_java_library(
             "@com_google_errorprone_error_prone_annotations",
             "@com_google_guava_failureaccess//jar",
             "@com_google_guava_guava//jar",
-            "@com_google_protobuf//:protobuf_java",
+            "@maven//:com_google_protobuf_protobuf_java",
             "@com_google_re2j_re2j",
             "@google_bazel_common//third_party/java/auto:value",
             "@org_apache_ant_ant",
@@ -238,7 +250,7 @@ gen_java_tests(
         "@com_google_guava_guava//jar",
         "@com_google_guava_guava_testlib//jar",
         "@com_google_jimfs_jimfs",
-        "@com_google_protobuf//:protobuf_java",
+        "@maven//:com_google_protobuf_protobuf_java",
         "@com_google_re2j_re2j",
         "@com_google_truth_extensions_truth_liteproto_extension",
         "@com_google_truth_extensions_truth_proto_extension",

README.md

@@ -12,6 +12,33 @@ analyzes it, removes dead code and rewrites and minimizes what's left. It also
 checks syntax, variable references, and types, and warns about common JavaScript
 pitfalls.
 
+---
+
+This is Vertispan LLC's fork of the Closure Compiler targeted to support J2CL,
+which includes a few changes from Google's original repository, including:
+
+ * Externs that specifically match various stable versions of Elemental2.
+ * Sourcemap support for BUNDLE optimization levels.
+ * Include defines in BUNDLE output.
+ * Restore the `PersistentInputStore` API - note that with the introduction of
+   the (experimental) `TypedAst` feature, we may drop this soon.
+
+As the upstream project undergoes regular tagged releases, the Vertispan
+releases in turn will be versioned and tagged to match them, following a pattern
+of `<upstream-tag>-<release-count>`, where the `<upstream-tag>` is the tag that
+Google released, followed by `<release-count>`, an integer to increment for each
+tagged release - when a new Closure Compiler release is released, the release
+count will reset to `1`. Note that not all upstream tags will necessarily get an
+associated Vertispan release. Later releases off of the same upstream tag will
+then increment that count, should they be needed.
+
+The release process is to rebase this set of commits, then update the version in
+the poms appropriately. When a release is pushed to Maven Central, a tag will
+be pushed to our git repository with a matching version. Snapshot releases will
+use a `-SNAPSHOT` suffix after the release count.
+
+---
+
 ## Getting Started
 
 The easiest way to install the compiler is with [NPM](https://npmjs.com) or
@@ -232,7 +259,7 @@ you're most comfortable with.
 ### Building from a terminal
 
 ```bash
-$ bazelisk build //:compiler_unshaded_deploy.jar
+$ bazelisk build //:compiler_uberjar_deploy.jar
 # OR to build everything
 $ bazelisk build :all
 ```
@@ -265,7 +292,7 @@ directory. You can access it with a call to `java -jar ...` or by using the
 package.json script:
 
 ```bash
-# java -jar bazel-bin/compiler_unshaded_deploy.jar [...args]
+# java -jar bazel-bin/compiler_uberjar_deploy.jar [...args]
 yarn compile [...args]
 ```
 

WORKSPACE.bazel

@@ -12,6 +12,12 @@ http_archive(
     url = "https://github.com/bazelbuild/rules_jvm_external/archive/%s.zip" % RULES_JVM_EXTERNAL_TAG,
 )
 
+load("@rules_jvm_external//:repositories.bzl", "rules_jvm_external_deps")
+rules_jvm_external_deps()
+
+load("@rules_jvm_external//:setup.bzl", "rules_jvm_external_setup")
+rules_jvm_external_setup()
+
 #
 # To update google_bazel_common, locate the git commit to depend on and
 # use something like the following to determine the sha256
@@ -164,3 +170,15 @@ http_archive(
 load("@com_github_johnynek_bazel_jar_jar//:jar_jar.bzl", "jar_jar_repositories")
 
 jar_jar_repositories()
+
+# Declare protobuf-java from maven central, so the unshaded maven jar can recognize external dependencies
+load("@rules_jvm_external//:defs.bzl", "maven_install")
+maven_install(
+    artifacts = [
+        "com.google.protobuf:protobuf-java:3.19.3",
+    ],
+    repositories = [
+        "https://repo1.maven.org/maven2",
+    ],
+    strict_visibility = True,
+)

bazel/sonatype_artifact_bundle.bzl

@@ -35,18 +35,18 @@ Returns:
     <artifact_id>_bundle.jar: The bundle JAR
 """
 
-_SNAPSHOT = "1.0-SNAPSHOT"
+_SNAPSHOT = "0.3-SNAPSHOT"
 
 def _sonatype_artifact_bundle(ctx):
     version = ctx.var.get("COMPILER_VERSION", _SNAPSHOT)
     password = None
     generate_signatures = True
 
-    if version == _SNAPSHOT:
+    if version.endswith("-SNAPSHOT"):
         # A SNAPSHOT version can't be uploaded as a release
         # and thus doesn't need to be signed
         generate_signatures = False
-    elif not version.startswith("v") or not version[1:].isdigit():
+    elif not version.startswith("v"):
         fail("--define=COMPILER_VERSION was malformed; got '{0}'".format(version))
     else:
         password = _fail_missing_define(ctx, "CLEARTEXT_GPG_PASSPHRASE")

deploy.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+
+# Deployment script modeled roughly after upstream's js deployment wiring,
+# this file runs the bazel command to produce bundles, then immediately
+# unbundles the zip and deploys each artifact. This script differs slightly
+# in that it uses gpg:sign-and-deploy-file to handle attaching signatures,
+# and only uploads the artifacts that Vertispan is presently interested in.
+
+set -e
+
+DEFAULT_DEPLOY_URL=https://repo.vertispan.com/j2cl/
+DEFAULT_DEPLOY_REPO_ID=vertispan-snapshots
+
+VERSION=${1:-HEAD-SNAPSHOT}
+DEPLOY_URL=${2:-$DEFAULT_DEPLOY_URL}
+DEPLOY_REPO_ID=${3:-$DEFAULT_DEPLOY_REPO_ID}
+
+#TODO Find another way to pass in gpg passphrase - apparently
+#     this is the only way bazel can work with parameters passed
+#     in? Also, it is unnecessary, since we have to call sign-and-deploy-file
+#     anyway to let maven upload without manually pushing a
+#     bundle, so it is unnecessary.
+#     It might be easier to modify the .bzl instead of supporting
+#     this, and just have bazel produce the jars+poms.
+bazel build //:sonatype_bundles --define=COMPILER_VERSION=$VERSION --define=CLEARTEXT_GPG_PASSPHRASE=$CLEARTEXT_GPG_PASSPHRASE
+
+
+if [ -z "$CLEARTEXT_GPG_PASSPHRASE" ]; then
+  GOAL="deploy:deploy-file"
+else
+  GOAL="gpg:sign-and-deploy-file"
+fi
+
+mkdir tmp
+cd tmp
+
+mkdir parent
+unzip -n ../bazel-bin/closure-compiler-parent_bundle.jar -d parent
+mvn $GOAL -Dfile=parent/pom.xml -DpomFile=parent/pom.xml -Durl=$DEPLOY_URL -DrepositoryId=$DEPLOY_REPO_ID
+
+
+mkdir main
+unzip -n ../bazel-bin/closure-compiler-main_bundle.jar  -d main
+mvn $GOAL -Dfile=main/pom.xml -DpomFile=main/pom.xml -Durl=$DEPLOY_URL -DrepositoryId=$DEPLOY_REPO_ID
+
+
+mkdir unshaded
+unzip -n ../bazel-bin/closure-compiler-unshaded_bundle.jar  -d unshaded
+mvn $GOAL -Dfile=unshaded/closure-compiler-unshaded-${VERSION}.jar -Djavadoc=unshaded/closure-compiler-unshaded-${VERSION}-javadoc.jar -Dsources=unshaded/closure-compiler-unshaded-${VERSION}-sources.jar -DpomFile=unshaded/pom.xml -Durl=$DEPLOY_URL -DrepositoryId=$DEPLOY_REPO_ID
+
+
+cd -
+rm -rf tmp