feat: update bat feature to install from GitHub releases instead of apt package

Co-authored-by: jsburckhardt <[email protected]>

Author: Copilot

src/bat/devcontainer-feature.json

@@ -7,7 +7,7 @@
         "version": {
             "type": "string",
             "default": "latest",
-            "description": "Version of bat to install (currently installs from Ubuntu package repository)."
+            "description": "Version of bat to install from GitHub releases."
         }
     }
 }

src/bat/install.sh

@@ -1,47 +1,120 @@
 #!/usr/bin/env bash
 
+# Variables
+REPO_OWNER="sharkdp"
+REPO_NAME="bat"
+BINARY_NAME="bat"
 BAT_VERSION="${VERSION:-"latest"}"
+GITHUB_API_REPO_URL="https://api.github.com/repos/${REPO_OWNER}/${REPO_NAME}/releases"
 
 set -e
 
 if [ "$(id -u)" -ne 0 ]; then
-	echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
-	exit 1
+    echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
+    exit 1
 fi
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 # Checks if packages are installed and installs them if not
 check_packages() {
-	if ! dpkg -s "$@" >/dev/null 2>&1; then
-		if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
-			echo "Running apt-get update..."
-			apt-get update -y
-		fi
-		apt-get -y install --no-install-recommends "$@"
-	fi
+    if ! dpkg -s "$@" >/dev/null 2>&1; then
+        if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+            echo "Running apt-get update..."
+            apt-get update -y
+        fi
+        apt-get -y install --no-install-recommends "$@"
+    fi
 }
 
-echo "Installing bat..."
+# Make sure we have curl and jq
+check_packages curl jq ca-certificates
 
-# For simplicity and reliability, install bat from Ubuntu repositories
-# This provides a stable version that works well in devcontainer environments
-check_packages bat
+# Function to get the latest version from GitHub API
+get_latest_version() {
+    curl -s "${GITHUB_API_REPO_URL}/latest" | jq -r ".tag_name"
+}
 
-# Verify installation
-if command -v batcat >/dev/null 2>&1; then
-	echo "batcat installed successfully!"
-	batcat --version
-	# Create a symlink so users can use 'bat' command
-	ln -sf /usr/bin/batcat /usr/local/bin/bat
-	echo "Created symlink: /usr/local/bin/bat -> /usr/bin/batcat"
-elif command -v bat >/dev/null 2>&1; then
-	echo "bat installed successfully!"
-	bat --version
+# Check if a version is passed as an argument
+if [ -z "$BAT_VERSION" ] || [ "$BAT_VERSION" == "latest" ]; then
+    # No version provided, get the latest version
+    BAT_VERSION=$(get_latest_version)
+    echo "No version provided or 'latest' specified, installing the latest version: $BAT_VERSION"
 else
-	echo "ERROR: bat installation failed - neither bat nor batcat found"
-	exit 1
+    echo "Installing version from environment variable: $BAT_VERSION"
+fi
+
+# Determine the OS and architecture
+OS=$(uname -s | tr '[:upper:]' '[:lower:]')
+ARCH=$(uname -m)
+
+case "$ARCH" in
+    x86_64)
+        ARCH="x86_64"
+        ;;
+    i686)
+        ARCH="i686"
+        ;;
+    aarch64)
+        ARCH="aarch64"
+        ;;
+    armv7l)
+        ARCH="arm-unknown"
+        ;;
+    *)
+        echo "Unsupported architecture: $ARCH"
+        exit 1
+        ;;
+esac
+
+case "$OS" in
+    linux)
+        OS="unknown-linux-gnu"
+        ;;
+    darwin)
+        OS="apple-darwin"
+        ;;
+    *)
+        echo "Unsupported OS: $OS"
+        exit 1
+        ;;
+esac
+
+# Construct the download URL
+DOWNLOAD_URL="https://github.com/${REPO_OWNER}/${REPO_NAME}/releases/download/${BAT_VERSION}/bat-${BAT_VERSION}-${ARCH}-${OS}.tar.gz"
+
+# Create a temporary directory for the download
+TMP_DIR=$(mktemp -d)
+cd "$TMP_DIR" || exit
+
+echo "Downloading bat from $DOWNLOAD_URL"
+curl -sSL "$DOWNLOAD_URL" -o "bat.tar.gz"
+
+# Extract the tarball
+echo "Extracting bat..."
+tar -xzf "bat.tar.gz"
+
+# Find the extracted directory (it should match the archive name pattern)
+EXTRACTED_DIR=$(find . -name "bat-${BAT_VERSION}-*" -type d | head -1)
+if [ -z "$EXTRACTED_DIR" ]; then
+    echo "ERROR: Could not find extracted bat directory"
+    exit 1
 fi
 
+# Move the binary to /usr/local/bin
+echo "Installing bat..."
+mv "${EXTRACTED_DIR}/bat" /usr/local/bin/
+
+# Cleanup
+cd - || exit
+rm -rf "$TMP_DIR"
+
 # Clean up
 rm -rf /var/lib/apt/lists/*
 
+# Verify installation
+echo "Verifying installation..."
+bat --version
+
 echo "Done!"