From 2dc328610522f8bdfffaf1c683e1fb8ed4889608 Mon Sep 17 00:00:00 2001
From: Spencer Connaughton <spencer@spencerconnaughton.com>
Date: Tue, 9 Jan 2024 14:25:37 -0500
Subject: [PATCH] Switch to Bazelisk.

---
 .bazelversion               |  1 +
 .github/workflows/build.yml |  9 ++++++---
 README.md                   |  6 ++++++
 tools/install_deps.sh       | 38 -------------------------------------
 4 files changed, 13 insertions(+), 41 deletions(-)
 create mode 100644 .bazelversion
 delete mode 100755 tools/install_deps.sh

diff --git a/.bazelversion b/.bazelversion
new file mode 100644
index 0000000..19b860c
--- /dev/null
+++ b/.bazelversion
@@ -0,0 +1 @@
+6.4.0
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5eb0b2f..aaf8b73 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -19,10 +19,13 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
-      - name: Install bazel
-        run: tools/install_deps.sh
+      - name: Mount bazel cache
+        uses: actions/cache@v3
+        with:
+          path: "~/.cache/bazel"
+          key: bazel
 
       - name: Run tests
         run: tools/run_tests.sh
diff --git a/README.md b/README.md
index 326e3b6..665332b 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,12 @@ with [Bazel](https://bazel.build).
 Setup
 -----
 
+Make sure Bazel is installed on your system. See the [Bazel
+documentation](https://docs.bazel.build/versions/master/install.html) for
+platform-specific instructions. We recommend using [Bazelisk](
+https://bazel.build/install/bazelisk.html) to ensure you are using a supported
+version.
+
 To use the Dart rules, add the following to your `WORKSPACE` file to add the
 external repositories for the Dart toolchain:
 
diff --git a/tools/install_deps.sh b/tools/install_deps.sh
deleted file mode 100755
index 2ff7f21..0000000
--- a/tools/install_deps.sh
+++ /dev/null
@@ -1,38 +0,0 @@
-#!/bin/sh
-
-BAZEL_VERSION=4.0.0
-
-linux_install() {
-  echo "============================================================"
-  echo "Installing Bazel $BAZEL_VERSION on Linux"
-  echo "============================================================"
-
-  sudo apt -y update
-  sudo apt -y install apt-transport-https curl gnupg
-  curl -fsSL https://bazel.build/bazel-release.pub.gpg | gpg --dearmor > bazel.gpg
-  sudo mv bazel.gpg /etc/apt/trusted.gpg.d/
-  echo "deb [arch=amd64] https://storage.googleapis.com/bazel-apt stable jdk1.8" | sudo tee /etc/apt/sources.list.d/bazel.list
-  sudo apt update
-  sudo apt -y install bazel-$BAZEL_VERSION
-  exit 0
-}
-
-macos_install() {
-  echo "============================================================"
-  echo "Installing Bazel $BAZEL_VERSION on macOS"
-  echo "============================================================"
-
-  curl -fLO "https://github.com/bazelbuild/bazel/releases/download/${BAZEL_VERSION}/bazel-${BAZEL_VERSION}-installer-darwin-x86_64.sh"
-  chmod +x "bazel-${BAZEL_VERSION}-installer-darwin-x86_64.sh"
-  sudo ./bazel-${BAZEL_VERSION}-installer-darwin-x86_64.sh
-  exit 0
-}
-
-# Main entry point.
-case "`uname -s`" in
-  Linux*) linux_install;;
-  Darwin*) macos_install;;
-esac
-
-echo "ERROR: unknown operating system"
-exit 1