Add install script and readme snippet

cmoog · cmoog · commit cbfa47d4cbed · 2020-10-29T16:21:41.000-05:00
diff --git a/README.md b/README.md
@@ -12,7 +12,13 @@ You can find additional Coder Enterprise usage documentation on [https://enterpr
 
 ## Install Release
 
-Download the latest [release](https://github.com/cdr/coder-cli/releases):
+Shell
+
+```
+curl -fsSL https://raw.githubusercontent.com/cdr/coder-cli/master/install.sh | sh
+```
+
+Alternatively, manually download the latest [release](https://github.com/cdr/coder-cli/releases):
 
 1. Click a release and download the tar file for your operating system (ex: coder-cli-linux-amd64.tar.gz)
 2. Extract the `coder` binary from the tar file, ex:
diff --git a/install.sh b/install.sh
@@ -0,0 +1,74 @@
+#!/bin/sh
+# TODO(everyone): Keep this script simple and easily auditable.
+
+set -e
+
+if [ "$(uname -m)" != "x86_64" ]; then
+  echo "Error: Unsupported architecture $(uname -m). Only x64 binaries are available." 1>&2
+  exit 1
+fi
+
+if [ "$OS" = "Windows_NT" ]; then
+  target="windows-386"
+  ext=".zip"
+  if ! command -v unzip >/dev/null; then
+    echo "Error: unzip is required to install coder-cli" 1>&2
+    exit 1
+  fi
+else
+  if ! command -v tar >/dev/null; then
+    echo "Error: tar is required to install coder-cli" 1>&2
+    exit 1
+  fi
+  ext=".tar.gz"
+  case $(uname -s) in
+  Darwin) target="darwin-amd64" ;;
+  *) target="linux-amd64" ;;
+  esac
+fi
+
+if [ $# -eq 0 ]; then
+  coder_asset_path=$(
+    curl -sSf https://github.com/cdr/coder-cli/releases |
+      grep -o "/cdr/coder-cli/releases/download/.*/coder-cli-${target}${ext}" |
+      head -n 1
+  )
+  if [ ! "$coder_asset_path" ]; then
+    echo "Error: Unable to find latest coder-cli release on GitHub." 1>&2
+    exit 1
+  fi
+  cdr_uri="https://github.com${coder_asset_path}"
+else
+  cdr_uri="https://github.com/cdr/coder-cli/releases/download/${1}/coder-cli-${target}${ext}"
+fi
+
+coder_install="${CODER_INSTALL:-$HOME/.coder}"
+bin_dir="$coder_install/bin"
+exe="$bin_dir/coder"
+
+if [ ! -d "$bin_dir" ]; then
+  mkdir -p "$bin_dir"
+fi
+
+curl --fail --location --progress-bar --output "$exe$ext" "$cdr_uri"
+if [ "$ext" = ".zip" ]; then
+  unzip -d "$bin_dir" -o "$exe$ext"
+else
+  tar -xzf "$exe$ext" -C "$bin_dir"
+fi
+chmod +x "$exe"
+rm "$exe$ext"
+
+echo "Coder was installed successfully to $exe"
+if command -v coder >/dev/null; then
+  echo "Run 'coder --help' to get started"
+else
+  case $SHELL in
+  /bin/zsh) shell_profile=".zshrc" ;;
+  *) shell_profile=".bash_profile" ;;
+  esac
+  echo "Manually add the directory to your \$HOME/$shell_profile (or similar)"
+  echo "  export CODER_INSTALL=\"$coder_install\""
+  echo "  export PATH=\"\$CODER_INSTALL/bin:\$PATH\""
+  echo "Run '$exe --help' to get started"
+fi
