update download url

.github/workflows/build.yml

@@ -20,3 +20,4 @@ jobs:
         uses: asdf-vm/actions/plugin-test@v1
         with:
           command: cloud_sql_proxy --version
+          version: 2.6.0

README.md

@@ -16,9 +16,8 @@
 
 # Dependencies
 
-**TODO: adapt this section**
-
 - `bash`, `curl`, `tar`: generic POSIX utilities.
+- `brew`, `install`, `go`: Golang 
 - `SOME_ENV_VAR`: set this environment variable in your shell config to load the correct version of tool x.
 
 # Install

lib/utils.bash

@@ -4,7 +4,7 @@ set -euo pipefail
 
 # TODO: Ensure this is the correct GitHub homepage where releases can be downloaded for cloud-sql-proxy.
 GH_REPO="https://github.com/GoogleCloudPlatform/cloud-sql-proxy"
-TOOL_NAME="cloud-sql-proxy"
+TOOL_NAME="cloud_sql_proxy"
 TOOL_TEST="cloud_sql_proxy --version"
 
 fail() {
@@ -36,13 +36,36 @@ list_all_versions() {
   list_github_tags
 }
 
+get_platform() {
+  local os=$(uname)
+  if [[ "${os}" == "Darwin" ]]; then
+    echo "osx"
+  elif [[ "${os}" == "Linux" ]]; then
+    echo "linux"
+  else
+    echo >&2 "unsupported os: ${os}" && exit 1
+  fi
+}
+
+get_arch() {
+  local os=$(uname)
+  local arch=$(uname -m)
+  if [[ "${os}" == "Darwin" && "${arch}" == "arm64" ]]; then
+    echo "arm64"
+  elif [[ "${os}" == "Linux" && "${arch}" == "aarch64" ]]; then
+    echo "aarch_64"
+  else
+    echo "${arch}"
+  fi
+}
+
+
 download_release() {
   local version filename url
   version="$1"
   filename="$2"
 
-  # TODO: Adapt the release URL convention for cloud-sql-proxy
-  url="$GH_REPO/archive/v${version}.tar.gz"
+  url="$GH_REPO/releases/download/v${version}/cloud-sql-proxy.$(get_platform).$(get_arch).tar.gz"
 
   echo "* Downloading $TOOL_NAME release $version..."
   curl "${curl_opts[@]}" -o "$filename" -C - "$url" || fail "Could not download $url"
@@ -59,7 +82,8 @@ install_version() {
 
   (
     mkdir -p "$install_path"
-    cp -r "$ASDF_DOWNLOAD_PATH"/* "$install_path"
+    cp "$ASDF_DOWNLOAD_PATH/$TOOL_NAME" "$install_path/$TOOL_NAME"
+    # chmod +x "$install_path/$TOOL_NAME"
 
     # TODO: Assert cloud-sql-proxy executable exists.
     local tool_cmd