Remove go installation.

Signed-off-by: Lonnie Liu <lonnie@anyscale.com>

ci/ci.sh

@@ -339,16 +339,6 @@ install_cython_examples() {
   )
 }
 
-install_go() {
-  local gimme_url="https://raw.githubusercontent.com/travis-ci/gimme/master/gimme"
-  suppress_xtrace eval "$(curl -f -s -L "${gimme_url}" | GIMME_GO_VERSION=1.18.3 bash)"
-
-  if [ -z "${GOPATH-}" ]; then
-    GOPATH="${GOPATH:-${HOME}/go_dir}"
-    export GOPATH
-  fi
-}
-
 _bazel_build_before_install() {
   local target
   if [ "${OSTYPE}" = msys ]; then
@@ -543,17 +533,22 @@ lint_annotations() {
 }
 
 lint_bazel() {
-  # Run buildifier without affecting external environment variables
-  (
-    mkdir -p -- "${GOPATH}"
-    export PATH="${GOPATH}/bin:${GOROOT}/bin:${PATH}"
+  if [[ ! "${OSTYPE}" =~ ^linux ]]; then
+    echo "Bazel lint not supported on non-linux systems."
+    exit 1
+  fi
+  if [[ "$(uname -m)" != "x86_64" ]]; then
+    echo "Bazel lint only supported on x86_64."
+    exit 1
+  fi
 
-    # Build buildifier
-    go install github.com/bazelbuild/buildtools/buildifier@latest
+  LINT_BAZEL_TMP="$(mktemp -d)"
+  curl -sl "https://github.com/bazelbuild/buildtools/releases/download/v6.1.2/buildifier-linux-amd64" \
+    -o "${LINT_BAZEL_TMP}/buildifier"
+  chmod +x "${LINT_BAZEL_TMP}/buildifier"
+  BUILDIFIER="${LINT_BAZEL_TMP}/buildifier" "${ROOT_DIR}/lint/bazel-format.sh"
 
-    # Now run buildifier
-    "${ROOT_DIR}"/lint/bazel-format.sh
-  )
+  rm -rf "${LINT_BAZEL_TMP}"  # Clean up
 }
 
 lint_bazel_pytest() {
@@ -655,7 +650,6 @@ _lint() {
 }
 
 lint() {
-  install_go
   # Checkout a clean copy of the repo to avoid seeing changes that have been made to the current one
   (
     WORKSPACE_DIR="$(TMPDIR="${WORKSPACE_DIR}/.." mktemp -d)"
@@ -764,10 +758,6 @@ build() {
     install_cython_examples
   fi
 
-  if [ "${LINT-}" = 1 ]; then
-    install_go
-  fi
-
   if [[ "${NEED_WHEELS}" == "true" ]]; then
     build_wheels_and_jars
   fi

ci/lint/bazel-format.sh

@@ -2,9 +2,10 @@
 
 # Before running this script, please make sure golang is installed
 # and buildifier is also installed. The example is showed in .travis.yml.
-set -e
+set -eo pipefail
 
 ROOT_DIR=$(cd "$(dirname "$0")/$(dirname "$(test -L "$0" && readlink "$0" || echo "/")")"; pwd)
+BUILDIFIER="${BUILDIFIER:-buildifier}"
 
 function usage()
 {
@@ -43,8 +44,17 @@ while [ $# -gt 0 ]; do
   shift
 done
 
-pushd "$ROOT_DIR"/../..
-BAZEL_FILES=(bazel/BUILD bazel/ray.bzl BUILD.bazel java/BUILD.bazel \
- cpp/BUILD.bazel cpp/example/BUILD.bazel WORKSPACE)
-buildifier -mode=$RUN_TYPE -diff_command="diff -u" "${BAZEL_FILES[@]}"
-popd
+BAZEL_FILES=(
+  bazel/BUILD
+  bazel/ray.bzl
+  BUILD.bazel
+  java/BUILD.bazel
+  cpp/BUILD.bazel
+  cpp/example/BUILD.bazel
+  WORKSPACE
+)
+
+(
+  cd "$ROOT_DIR"/../..
+  "${BUILDIFIER}" -mode=$RUN_TYPE -diff_command="diff -u" "${BAZEL_FILES[@]}"
+)