Add support for personal access token in install shell script

scripts/install.sh

@@ -5,12 +5,12 @@ REPOSITORY="filiptibell/rokit"
 
 # Make sure we have prerequisites installed: curl + unzip
 if ! command -v curl >/dev/null 2>&1; then
-    echo "Error: 'curl' is not installed." >&2
+    echo "ERROR: 'curl' is not installed." >&2
     exit 1
 fi
 
 if ! command -v unzip >/dev/null 2>&1; then
-    echo "Error: 'unzip' is not installed." >&2
+    echo "ERROR: 'unzip' is not installed." >&2
     exit 1
 fi
 
@@ -35,6 +35,10 @@ case "$ARCH" in
         exit 1 ;;
 esac
 
+if [ ! -z "$GITHUB_PAT" ]; then
+    echo "NOTE: Using provided GITHUB_PAT for authentication"
+fi
+
 # Construct file pattern for our desired zip file based on OS + arch
 # NOTE: This only works for exact patterns "binary-X.Y.Z-os-arch.zip"
 # and WILL break if the version contains extra metadata / pre-release
@@ -52,26 +56,34 @@ fi
 FILE_PATTERN="${BINARY_NAME}-${VERSION_PATTERN}-${OS}-${ARCH}.zip"
 
 # Use curl to fetch the latest release data from GitHub API
-RELEASE_JSON_DATA=$(curl --proto '=https' --tlsv1.2 -sSf "$API_URL")
+if [ ! -z "$GITHUB_PAT" ]; then
+    RELEASE_JSON_DATA=$(curl --proto '=https' --tlsv1.2 -sSf "$API_URL" -H "Authorization: token $GITHUB_PAT")
+else
+    RELEASE_JSON_DATA=$(curl --proto '=https' --tlsv1.2 -sSf "$API_URL")
+fi
 
 # Check if the release was fetched successfully
 if [ -z "$RELEASE_JSON_DATA" ] || echo "$RELEASE_JSON_DATA" | grep -q "Not Found"; then
-    echo "Error: Latest release was not found. Please check your network connection." >&2
+    echo "ERROR: Latest release was not found. Please check your network connection." >&2
     exit 1
 fi
 
 # Try to extract the download URL from the response
 RELEASE_DOWNLOAD_URL=$(echo "$RELEASE_JSON_DATA" | grep -o "\"browser_download_url\": \".*${FILE_PATTERN}\"" | cut -d '"' -f 4 | head -n 1)
 if [ -z "$RELEASE_DOWNLOAD_URL" ]; then
-    echo "Error: Failed to find zip that matches the pattern \"$FILE_PATTERN\" in the latest release." >&2
+    echo "ERROR: Failed to find zip that matches the pattern \"$FILE_PATTERN\" in the latest release." >&2
     exit 1
 fi
 
 # Download the file using curl and make sure it was successful
 ZIP_FILE=$(echo "$RELEASE_DOWNLOAD_URL" | rev | cut -d '/' -f 1 | rev)
-curl --proto '=https' --tlsv1.2 -L -o "$ZIP_FILE" -sSf "$RELEASE_DOWNLOAD_URL"
+if [ ! -z "$GITHUB_PAT" ]; then
+    curl --proto '=https' --tlsv1.2 -L -o "$ZIP_FILE" -sSf "$RELEASE_DOWNLOAD_URL" -H "Authorization: token $GITHUB_PAT"
+else
+    curl --proto '=https' --tlsv1.2 -L -o "$ZIP_FILE" -sSf "$RELEASE_DOWNLOAD_URL"
+fi
 if [ ! -f "$ZIP_FILE" ]; then
-    echo "Error: Failed to download the release archive '$ZIP_FILE'." >&2
+    echo "ERROR: Failed to download the release archive '$ZIP_FILE'." >&2
     exit 1
 fi
 
@@ -80,7 +92,7 @@ echo "Unzipping '$ZIP_FILE'..."
 unzip -o -q "$ZIP_FILE" "$BINARY_NAME" -d .
 rm "$ZIP_FILE"
 if [ ! -f "$BINARY_NAME" ]; then
-    echo "Error: The file '$BINARY_NAME' does not exist in the archive." >&2
+    echo "ERROR: The file '$BINARY_NAME' does not exist in the archive." >&2
     exit 1
 fi