Merge tag 'upstream-go1.18beta1' into master
Change-Id: Ieca074f4ca8a29cc0f8d3436be67e4b2fce133db
diff --git a/VERSION b/VERSION
new file mode 100644
index 0000000..c0e2167
--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+go1.18beta1
\ No newline at end of file
diff --git a/update-prebuilts.sh b/update-prebuilts.sh
new file mode 100755
index 0000000..6d990af
--- /dev/null
+++ b/update-prebuilts.sh
@@ -0,0 +1,89 @@
+#!/bin/bash -e
+
+# Copyright 2020 Google Inc. 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.
+
+# A script to update the Go prebuilts from a build completed on Android CI.
+
+set -eo pipefail
+
+if [ -z $1 ]; then
+ echo "usage: $0 <build number>"
+ exit 1
+fi
+
+readonly BUILD_NUMBER=$1
+readonly GERRIT_TOPIC="update-go-${BUILD_NUMBER}"
+
+cd "$(dirname $0)"
+
+readonly tmpdir=$(mktemp -d)
+
+function finish {
+ if [ ! -z "${tmpdir}" ]; then
+ rm -rf "${tmpdir}"
+ fi
+}
+trap finish EXIT
+
+function fetch_artifact() {
+ local target=$1; shift
+ local artifact=$1; shift
+ local output=$1; shift
+ /google/data/ro/projects/android/fetch_artifact \
+ --branch aosp-build-tools-release \
+ --bid ${BUILD_NUMBER} \
+ --target ${target}\
+ "${artifact}" "${output}"
+}
+
+# Downloads the relevant go.zip and creates a CL with its contents.
+function upload_cl() {
+ # aosp-build-tools-release target
+ local target=$1; shift
+
+ # os directory name of the go prebuilts
+ local arch=$1; shift
+
+ zipfile="${tmpdir}/${arch}.zip"
+
+ echo "Downloading ${arch} go.zip from ab/${BUILD_NUMBER}.."
+ fetch_artifact "${target}" go.zip "${zipfile}"
+
+ pushd "../../prebuilts/go/${arch}" > /dev/null
+
+ echo "Uploading new ${arch} go.zip to Gerrit.."
+ repo start "${GERRIT_TOPIC}"
+
+ git rm -rf .
+ unzip -q -d "$(pwd)" "${zipfile}"
+ git add -A .
+ git commit -m "Update ${arch} Go prebuilts from ab/${BUILD_NUMBER}
+
+https://ci.android.com/builds/branches/aosp-build-tools-release/grid?head=${BUILD_NUMBER}&tail=${BUILD_NUMBER}
+
+Update script: toolchain/go/update-prebuilts.sh
+
+Test: Treehugger presubmit"
+ repo upload --cbr -t -y .
+
+ popd
+}
+
+# upload_cl <aosp-build-tools-release target> <prebuilts dir>
+upload_cl linux linux-x86
+upload_cl darwin_mac darwin-x86
+
+echo "Uploaded CLs: https://android-review.googlesource.com/q/topic:%22${GERRIT_TOPIC}%22+status:open"
+echo "Done."
