Fix Bazel build and add a GitHub action to exercise the build on different platforms

.github/workflows/binary.yml

@@ -0,0 +1,30 @@
+name: Binary
+
+on:
+  release:
+    types:
+      - created
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        arch: [amd64, arm64]
+        targetos: [windows, darwin, linux]
+    name: ${{ matrix.arch }}-${{ matrix.targetos }}
+    steps:
+      - uses: actions/checkout@v2
+      - run: |
+          sudo apt install apt-transport-https curl gnupg
+          curl -fsSL https://bazel.build/bazel-release.pub.gpg | gpg --dearmor > bazel.gpg
+          sudo mv bazel.gpg /etc/apt/trusted.gpg.d/
+          sudo echo "deb [arch=amd64] https://storage.googleapis.com/bazel-apt stable jdk1.8" > /etc/apt/sources.list.d/bazel.list
+      - run: |
+          bazel build @com_google_protobuf//:protoc
+          bazel build //firebase_rules_generator:protoc-gen-firebase_rules --platforms=//:${{ matrix.targetos }}-${{ matrix.arch }}
+
+      - uses: actions/upload-artifact@v2
+        with:
+          name: protoc-gen-firebase_rules-${{ matrix.targetos }}-${{ matrix.arch }}
+          path: bazel-bin/firebase_rules_generator/protoc-gen-firebase_rules

BUILD

@@ -30,3 +30,46 @@ py_test(
         "@com_google_protobuf//:timestamp_proto",
     ],
 )
+
+platform(
+    name = "windows-amd64",
+    constraint_values = [
+        "@platforms//os:windows",
+        "@platforms//cpu:x86_64",
+    ],
+)
+platform(
+    name = "windows-arm64",
+    constraint_values = [
+        "@platforms//os:windows",
+        "@platforms//cpu:arm64",
+    ],
+)
+platform(
+    name = "darwin-amd64",
+    constraint_values = [
+        "@platforms//os:macos",
+        "@platforms//cpu:x86_64",
+    ],
+)
+platform(
+    name = "darwin-arm64",
+    constraint_values = [
+        "@platforms//os:macos",
+        "@platforms//cpu:arm64",
+    ],
+)
+platform(
+    name = "linux-amd64",
+    constraint_values = [
+        "@platforms//os:linux",
+        "@platforms//cpu:x86_64",
+    ],
+)
+platform(
+    name = "linux-arm64",
+    constraint_values = [
+        "@platforms//os:linux",
+        "@platforms//cpu:arm64",
+    ],
+)

bazel/BUILD

@@ -1 +0,0 @@
-

bazel/defs.bzl

@@ -56,7 +56,7 @@ def firestore_rules_proto_library(
       **kargs: other keyword arguments that are passed to ts_library.
 
     """
-    outs = _outputs(srcs, ".rules")
+    outs = _outputs(srcs, ".cc")
 
     includes = []
     if include != None:
@@ -75,6 +75,7 @@ def firestore_rules_proto_library(
         plugin = plugin,
         plugin_language = "protoc-gen-firebase_rules",
         plugin_options = ["bazel"],
+        gen_cc = True
     )
 
     firestore_rules_library(

bazel/repositories.bzl

@@ -1,13 +1,33 @@
-protobuf_commit = "099d99759101c295244c24d8954ec85b8ac65ce3"
-
-protobuf_sha256 = "c0ab1b088e220c1d56446f34001f0178e590270efdef1c46a77da4b9faa9d7b0"
-
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
 def protobuf_rules_gen_repositories():
     if "com_google_protobuf" not in native.existing_rules():
-        native.http_archive(
+        http_archive(
+            name = "rules_python",
+            sha256 = "934c9ceb552e84577b0faf1e5a2f0450314985b4d8712b2b70717dc679fdc01b",
+            url = "https://github.com/bazelbuild/rules_python/releases/download/0.3.0/rules_python-0.3.0.tar.gz",
+        )
+        http_archive(
+            name = "bazel_skylib",
+            sha256 = "1c531376ac7e5a180e0237938a2536de0c54d93f5c278634818e0efc952dd56c",
+            urls = [
+                "https://github.com/bazelbuild/bazel-skylib/releases/download/1.0.3/bazel-skylib-1.0.3.tar.gz",
+                "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.0.3/bazel-skylib-1.0.3.tar.gz",
+            ],
+        )
+        http_archive(
+            name = "zlib",
+            build_file = "@com_google_protobuf//:third_party/zlib.BUILD",
+            sha256 = "c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1",
+            strip_prefix = "zlib-1.2.11",
+            urls = [
+                "https://mirror.bazel.build/zlib.net/zlib-1.2.11.tar.gz",
+                "https://zlib.net/zlib-1.2.11.tar.gz",
+            ],
+        )
+        http_archive(
             name = "com_google_protobuf",
-            sha256 = protobuf_sha256,
-            strip_prefix = "protobuf-" + protobuf_commit,
-            url = "https://github.com/google/protobuf/archive/" + protobuf_commit + ".tar.gz",
+            sha256 = "528927e398f4e290001886894dac17c5c6a2e5548f3fb68004cfb01af901b53a",
+            strip_prefix = "protobuf-3.17.3",
+            url = "https://github.com/google/protobuf/archive/v3.17.3.zip",
         )