From 20408f1d5442127d8a41fbac5b007081fde2f497 Mon Sep 17 00:00:00 2001
From: Kirill Timofeev <ktimofeev@google.com>
Date: Mon, 23 Dec 2024 17:30:44 +0000
Subject: [PATCH] Download Bazel using 'tools/install-build-deps'.

We will use Bazel to build Android SDK in the follow-up CLs, so we want to run in from `tools/bazel`.


Tested:
```
tools/install-build-deps --verify
tools/install-build-deps --bazel
tools/bazel build :all
```

Bug: N/A.
Change-Id: Ic3037221d5a7e874a6d2d3e7a77d02d0f1012a5c
---
 tools/bazel              | 23 +++++++++++++++++++++++
 tools/install-build-deps | 35 +++++++++++++++++++++++++++++++++--
 2 files changed, 56 insertions(+), 2 deletions(-)
 create mode 100755 tools/bazel

diff --git a/tools/bazel b/tools/bazel
new file mode 100755
index 0000000000..5c618c7ba3
--- /dev/null
+++ b/tools/bazel
@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+# Copyright (C) 2024 The Android Open Source Project
+#
+# 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.
+
+import os
+import sys
+
+ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+sys.path.append(ROOT_DIR)
+__package__ = 'tools'
+from .run_buildtools_binary import run_buildtools_binary
+run_buildtools_binary(['bazel'] + sys.argv[1:])
diff --git a/tools/install-build-deps b/tools/install-build-deps
index a555d560e2..a29618bd7c 100755
--- a/tools/install-build-deps
+++ b/tools/install-build-deps
@@ -330,6 +330,31 @@ BUILD_DEPS_HOST = [
             '0ce01e934f95efb6a216a6efa35af1245151c779', 'all', 'all'),
 ]
 
+# Dependencies required to build code on the host using Bazel build system.
+# Only macOS and Linux.
+BUILD_DEPS_BAZEL = [
+    Dependency(
+        'buildtools/mac/bazel',
+        'https://github.com/bazelbuild/bazel/releases/download/7.4.1/bazel-7.4.1-darwin-x86_64',
+        '52dd34c17cc97b3aa5bdfe3d45c4e3938226f23dd0bfb47beedd625a953f1f05',
+        'darwin', 'x64'),
+    Dependency(
+        'buildtools/mac/bazel',
+        'https://github.com/bazelbuild/bazel/releases/download/7.4.1/bazel-7.4.1-darwin-arm64',
+        '02b117b97d0921ae4d4f4e11d27e2c0930381df416e373435d5d0419c6a26f24',
+        'darwin', 'arm64'),
+    Dependency(
+        'buildtools/linux64/bazel',
+        'https://github.com/bazelbuild/bazel/releases/download/7.4.1/bazel-7.4.1-linux-x86_64',
+        'c97f02133adce63f0c28678ac1f21d65fa8255c80429b588aeeba8a1fac6202b',
+        'linux', 'x64'),
+    Dependency(
+        'buildtools/linux64/bazel',
+        'https://github.com/bazelbuild/bazel/releases/download/7.4.1/bazel-7.4.1-linux-arm64',
+        'd7aedc8565ed47b6231badb80b09f034e389c5f2b1c2ac2c55406f7c661d8b88',
+        'linux', 'arm64'),
+]
+
 # Dependencies required to build Android code.
 # URLs and SHA1s taken from:
 # - https://dl.google.com/android/repository/repository-11.xml
@@ -468,8 +493,8 @@ BUILD_DEPS_LINUX_CROSS_SYSROOTS = [
 ]
 
 ALL_DEPS = (
-    BUILD_DEPS_HOST + BUILD_DEPS_ANDROID + BUILD_DEPS_LINUX_CROSS_SYSROOTS +
-    TEST_DEPS_ANDROID + UI_DEPS)
+    BUILD_DEPS_HOST + BUILD_DEPS_BAZEL + BUILD_DEPS_ANDROID +
+    BUILD_DEPS_LINUX_CROSS_SYSROOTS + TEST_DEPS_ANDROID + UI_DEPS)
 
 ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 UI_DIR = os.path.join(ROOT_DIR, 'ui')
@@ -675,6 +700,10 @@ def CheckDepotToolsIsRecent():
 
 def Main():
   parser = argparse.ArgumentParser()
+  parser.add_argument(
+      '--bazel',
+      action='store_true',
+      help='Bazel build tool executable to build the project using Bazel')
   parser.add_argument(
       '--android',
       action='store_true',
@@ -720,6 +749,8 @@ def Main():
   deps = BUILD_DEPS_HOST
   if not args.no_toolchain:
     deps += BUILD_DEPS_TOOLCHAIN_HOST
+  if args.bazel:
+    deps += BUILD_DEPS_BAZEL
   if args.android:
     deps += BUILD_DEPS_ANDROID + TEST_DEPS_ANDROID
   if args.linux_arm: