feat: add com.google.protobuf (#15)

- chore: add `com.google.protobuf` module
- chore: add ci + local build setup for bazel
- chore: add `modular-proto` sample
- chore: poms for protobuf java libraries
- chore: update dependency graph
- chore: update exported version catalog
- chore: update internal version catalog
- chore: update readme with new library coordinates/modules
- chore: sync repository

Signed-off-by: Sam Gammon <[email protected]>

.github/workflows/ci.build-test.yml

@@ -12,7 +12,7 @@ name: "Build & Test"
 
 permissions:
   contents: read
-  
+
 jobs:
   build:
     name: "Build Repository"
@@ -32,13 +32,18 @@ jobs:
         with:
           java-version: '21'
           distribution: 'zulu'
+      - name: "Setup: Bazelisk"
+        uses: bazelbuild/setup-bazelisk@b39c379c82683a5f25d34f0d062761f62693e0b2 # v3.0.0
       - name: "Setup: Cache"
         uses: actions/cache@v4
         with:
           path: |
             jdk
             annotation-tools
             .m2
+            ~/.cache/bazel
           key: jpms-attic-v1-${{ runner.os }}
+      - name: "Setup: Dev Tooling"
+        run: make dev
       - name: "Build & Test Repository"
         run: make TESTS=${{ inputs.tests && 'yes' || 'no' }} SIGNING=no JAVADOC=no SNAPSHOT=yes

.gitignore

@@ -1,3 +1,4 @@
+/.dev
 /.m2
 /jdk
 /target

.gitmodules

@@ -16,3 +16,6 @@
 [submodule "reactive-streams"]
 	path = org.reactivestreams
 	url = [email protected]:sgammon/reactive-streams-jvm.git
+[submodule "protobuf"]
+	path = com.google.protobuf
+	url = [email protected]:sgammon/protobuf.git

CONTRIBUTING.md

@@ -27,14 +27,21 @@ JPMS Attic:
 all                            Build all targets and setup the repository.
 checkerframework               Build Checker Framework.
 clean                          Clean all built targets.
+distclean                      Clean downloaded material and local dev tools.
 errorprone                     Build the Error Prone Compiler.
+forceclean                     DANGEROUS: Wipe all untracked files and other changes; completely reset.
 guava                          Build Guava and all requisite dependencies.
 help                           Show this help text ('make help').
 j2objc                         Build the J2ObjC annotations.
+protobuf                       Build Protocol Buffers.
+reactivestreams                Build Reactive Streams.
 repository                     Build the repository layout.
+reset                          Reset the codebase as well as performing a `distclean`.
 samples                        Build samples.
 setup                          Setup local codebase features; performs first-run stuff.
 test                           Build and run integration and smoke tests.
+tools                          Build ancillary libraries.
+update-modules                 Update all sub-modules.
 ```
 
 **Switches and their defaults:**
@@ -47,6 +54,14 @@ JAVADOC ?= no    # build javadoc outputs for each library as we go
 SNAPSHOT ?= yes  # build snapshot versions; pass `no` to build live versions
 ```
 
+**Setting up your local environment:**
+
+```shell
+make setup dev
+```
+
+> This command will setup local tooling and clone all submodules.
+
 ## Making changes
 
 Generally, when making changes, make sure to add tests and samples, where applicable. New libraries will need build steps.