Set up boilerplate for rules_android BCR

These files were largely copied from rules_android_ndk@v0.1.2.

PiperOrigin-RevId: 655607429
Change-Id: I3551c06dff48fb6f3251bb9c59932ba38b59cec4

Author: ted-xie

.bcr/config.yml

@@ -0,0 +1,3 @@
+fixedReleaser:
+  login: ahumesky
+  email: ahumesky@google.com

.bcr/metadata.template.json

@@ -0,0 +1,20 @@
+{
+    "homepage": "https://github.com/bazelbuild/rules_android",
+    "maintainers": [
+        {
+            "email": "ahumesky@google.com",
+            "github": "ahumesky",
+            "name": "ahumesky"
+        },
+        {
+            "email": "tedx@google.com",
+            "github": "ted-xie",
+            "name": "tedx"
+        }
+    ],
+    "repository": [
+        "github:bazelbuild/rules_android"
+    ],
+    "versions": [],
+    "yanked_versions": {}
+}

.bcr/presubmit.yml

@@ -0,0 +1,12 @@
+bcr_test_module:
+  module_path: examples/basicapp
+  matrix:
+    platform: ["ubuntu2004", "macos", "windows"]
+    bazel: ["7.2.1", "rolling"]
+  tasks:
+    run_test_module:
+      name: "Verify build targets with bzlmod"
+      platform: ${{ platform }}
+      bazel: ${{ bazel }}
+      build_targets:
+        - "//java/com/basicapp:basic_app"

.bcr/source.template.json

@@ -0,0 +1,5 @@
+{
+    "integrity": "",
+    "strip_prefix": "rules_android-{TAG}",
+    "url": "https://github.com/bazelbuild/rules_android/archive/refs/tags/{TAG}.tar.gz"
+}

.github/workflows/ci.bazelrc

@@ -0,0 +1,15 @@
+# This file contains Bazel settings to apply on CI only.
+# It is referenced with a --bazelrc option in the call to bazel in ci.yaml
+
+# Debug where options came from
+build --announce_rc
+# This directory is configured in GitHub actions to be persisted between runs.
+# We do not enable the repository cache to cache downloaded external artifacts
+# as these are generally faster to download again than to fetch them from the
+# GitHub actions cache.
+build --disk_cache=~/.cache/bazel
+# Don't rely on test logs being easily accessible from the test runner,
+# though it makes the log noisier.
+test --test_output=errors
+# Allows tests to run bazelisk-in-bazel, since this is the cache folder used
+test --test_env=XDG_CACHE_HOME

.github/workflows/release.yml

@@ -0,0 +1,19 @@
+# Cut a release whenever a new tag is pushed to the repo.
+# You should use an annotated tag, like `git tag -a v1.2.3`
+# and put the release notes into the commit message for the tag.
+name: Release
+
+on:
+  push:
+    tags:
+      - "v*.*.*"
+
+permissions:
+  contents: write
+
+jobs:
+  release:
+    uses: bazel-contrib/.github/.github/workflows/release_ruleset.yaml@v6
+    with:
+      release_files: rules_android-*.tar.gz
+      bazel_test_command: "cd examples/basicapp && bazel build java/com/basicapp:basic_app"

.github/workflows/release_prep.sh

@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+# Copyright 2024 The Bazel Authors. 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.
+
+set -o errexit -o nounset -o pipefail
+
+# Set by GH actions, see
+# https://docs.github.com/en/actions/learn-github-actions/environment-variables#default-environment-variables
+TAG=${GITHUB_REF_NAME}
+# The prefix is chosen to match what GitHub generates for source archives
+# This guarantees that users can easily switch from a released artifact to a source archive
+# with minimal differences in their code (e.g. strip_prefix remains the same)
+PREFIX="rules_android-${TAG:1}"
+ARCHIVE="rules_android-$TAG.tar.gz"
+
+# NB: configuration for 'git archive' is in /.gitattributes
+git archive --format=tar --prefix=${PREFIX}/ ${TAG} | gzip > $ARCHIVE
+SHA=$(shasum -a 256 $ARCHIVE | awk '{print $1}')
+
+cat << EOF
+## Using Bzlmod with Bazel 6 or greater
+
+1. (Bazel 6 only) Enable with \`common --enable_bzlmod\` in \`.bazelrc\`.
+2. Add to your \`MODULE.bazel\` file:
+
+\`\`\`starlark
+bazel_dep(name = "rules_android", version = "${TAG:1}")
+\`\`\`
+
+## Using WORKSPACE
+
+Paste this snippet into your \`WORKSPACE.bazel\` file:
+
+\`\`\`starlark
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+http_archive(
+    name = "rules_android",
+    sha256 = "${SHA}",
+    strip_prefix = "${PREFIX}",
+    url = "https://github.com/bazelbuild/rules_android/releases/download/${TAG}/${ARCHIVE}",
+)
+EOF
+
+awk 'f;/--SNIP--/{f=1}' examples/basicapp/WORKSPACE
+echo "\`\`\`" 

examples/basicapp/WORKSPACE

@@ -26,6 +26,7 @@ local_repository(
     path = "../..", # rules_android's WORKSPACE relative to this inner workspace
 )
 
+# --SNIP--: Everything below this line goes into the example WORKSPACE snippet in the release notes.
 load("@rules_android//:prereqs.bzl", "rules_android_prereqs")
 rules_android_prereqs()
 load("@rules_android//:defs.bzl", "rules_android_workspace")