add jolt

scripts/sdk_installers/install_jolt_sdk.sh

@@ -0,0 +1,47 @@
+#!/bin/bash
+set -e
+
+# --- Utility functions (duplicated) ---
+# Checks if a tool is installed and available in PATH.
+is_tool_installed() {
+    command -v "$1" &> /dev/null
+}
+
+# Ensures a tool is installed. Exits with an error if not.
+ensure_tool_installed() {
+    local tool_name="$1"
+    local purpose_message="$2"
+    if ! is_tool_installed "${tool_name}"; then
+        echo "Error: Required tool '${tool_name}' could not be found." >&2
+        if [ -n "${purpose_message}" ]; then
+            echo "       It is needed ${purpose_message}." >&2
+        fi
+        echo "       Please install it first and ensure it is in your PATH." >&2
+        exit 1
+    fi
+}
+# --- End of Utility functions ---
+
+echo "Installing Jolt CLI..."
+
+ensure_tool_installed "rustup" "to manage Rust toolchains (though Jolt uses default nightly)"
+ensure_tool_installed "git" "to install Jolt from a git repository"
+ensure_tool_installed "cargo" "to build and install Rust packages"
+
+# Install Jolt CLI using cargo install with +nightly
+# This installs the 'jolt' binary directly to $HOME/.cargo/bin
+# The ere-base image should have a compatible default nightly toolchain.
+echo "Installing Jolt CLI from GitHub repository (a16z/jolt)..."
+cargo +nightly install --git https://github.com/a16z/jolt --force --bins jolt
+
+# Verify Jolt installation
+echo "Verifying Jolt CLI installation..."
+if jolt --version; then
+    echo "Jolt CLI installation verified successfully."
+else
+    echo "Error: 'jolt --version' failed. Jolt CLI might not have installed correctly." >&2
+    echo "       Ensure ${HOME}/.cargo/bin is in your PATH for new shells." >&2
+    exit 1
+fi
+
+echo "Jolt CLI installation successful."