Merge pull request #773 from github/devm33/install-pinned

Allow specifying a version for the install script

Author: devm33

README.md

@@ -74,6 +74,8 @@ Use `| sudo bash` to run as root and install to `/usr/local/bin`.
 Set `PREFIX` to install to `$PREFIX/bin/` directory. Defaults to `/usr/local`
 when run as root or `$HOME/.local` when run as a non-root user.
 
+Set `VERSION` to install a specific version. Defaults to the latest version.
+
 ### Launching the CLI
 
 ```bash

install.sh

@@ -34,7 +34,17 @@ case "$(uname -m)" in
   *) echo "Error: Unsupported architecture $(uname -m)" >&2 ; exit 1 ;;
 esac
 
-DOWNLOAD_URL="https://github.com/github/copilot-cli/releases/latest/download/copilot-${PLATFORM}-${ARCH}.tar.gz"
+# Determine download URL based on VERSION
+if [ -n "$VERSION" ]; then
+  # Prefix version with 'v' if not already present
+  case "$VERSION" in
+    v*) ;;
+    *) VERSION="v$VERSION" ;;
+  esac
+  DOWNLOAD_URL="https://github.com/github/copilot-cli/releases/download/${VERSION}/copilot-${PLATFORM}-${ARCH}.tar.gz"
+else
+  DOWNLOAD_URL="https://github.com/github/copilot-cli/releases/latest/download/copilot-${PLATFORM}-${ARCH}.tar.gz"
+fi
 echo "Downloading from: $DOWNLOAD_URL"
 
 # Download and extract with error handling