feat: initial release

README.md

@@ -16,10 +16,7 @@
 
 # Dependencies
 
-**TODO: adapt this section**
-
-- `bash`, `curl`, `tar`: generic POSIX utilities.
-- `SOME_ENV_VAR`: set this environment variable in your shell config to load the correct version of tool x.
+- `bash`, `curl`: generic POSIX utilities.
 
 # Install
 

bin/download

@@ -10,14 +10,10 @@ source "${plugin_dir}/lib/utils.bash"
 
 mkdir -p "$ASDF_DOWNLOAD_PATH"
 
-# TODO: Adapt this to proper extension and adapt extracting strategy.
-release_file="$ASDF_DOWNLOAD_PATH/$TOOL_NAME-$ASDF_INSTALL_VERSION.tar.gz"
+release_file="$ASDF_DOWNLOAD_PATH/$TOOL_NAME-$ASDF_INSTALL_VERSION"
 
-# Download tar.gz file to the download directory
+# Download file to the download directory
 download_release "$ASDF_INSTALL_VERSION" "$release_file"
 
-#  Extract contents of tar.gz file into the download directory
-tar -xzf "$release_file" -C "$ASDF_DOWNLOAD_PATH" --strip-components=1 || fail "Could not extract $release_file"
-
-# Remove the tar.gz file since we don't need to keep it
-rm "$release_file"
+# Make sure the executable bit is set on the tool binary
+chmod +x "$release_file"

lib/utils.bash

@@ -2,7 +2,6 @@
 
 set -euo pipefail
 
-# TODO: Ensure this is the correct GitHub homepage where releases can be downloaded for serverless.
 GH_REPO="https://github.com/serverless/serverless"
 TOOL_NAME="serverless"
 TOOL_TEST="serverless --version"
@@ -12,6 +11,16 @@ fail() {
   exit 1
 }
 
+get_os() {
+  os=$(uname -s)
+  case $os in
+  Darwin) os="darwin" ;;
+  Linux) os="linux" ;;
+  *) fail "The os (${os}) is not supported by this installation script." ;;
+  esac
+  echo "$os"
+}
+
 curl_opts=(-fsSL)
 
 # NOTE: You might want to remove this if serverless is not hosted on GitHub releases.
@@ -31,7 +40,6 @@ list_github_tags() {
 }
 
 list_all_versions() {
-  # TODO: Adapt this. By default we simply list the tag names from GitHub releases.
   # Change this function if serverless has other means of determining installable versions.
   list_github_tags
 }
@@ -41,8 +49,8 @@ download_release() {
   version="$1"
   filename="$2"
 
-  # TODO: Adapt the release URL convention for serverless
-  url="$GH_REPO/archive/v${version}.tar.gz"
+  os=$(get_os)
+  url="$GH_REPO/releases/download/v${version}/serverless-${os}-x64"
 
   echo "* Downloading $TOOL_NAME release $version..."
   curl "${curl_opts[@]}" -o "$filename" -C - "$url" || fail "Could not download $url"
@@ -58,12 +66,12 @@ install_version() {
   fi
 
   (
-    mkdir -p "$install_path"
-    cp -r "$ASDF_DOWNLOAD_PATH"/* "$install_path"
-
-    # TODO: Assert serverless executable exists.
     local tool_cmd
     tool_cmd="$(echo "$TOOL_TEST" | cut -d' ' -f1)"
+
+    mkdir -p "$install_path"
+    cp -r "$ASDF_DOWNLOAD_PATH/${tool_cmd}-${version}" "$install_path/$tool_cmd"
+
     test -x "$install_path/$tool_cmd" || fail "Expected $install_path/$tool_cmd to be executable."
 
     echo "$TOOL_NAME $version installation was successful!"