add zisk

scripts/sdk_installers/install_zisk_sdk.sh

@@ -0,0 +1,78 @@
+#!/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 ZisK Toolchain and SDK using ziskup (prebuilt binaries)..."
+
+# Prerequisites for ziskup and ZisK (some of these are for the SDK itself beyond ziskup)
+ensure_tool_installed "curl" "to download the ziskup installer"
+ensure_tool_installed "bash" "to run the ziskup installer"
+ensure_tool_installed "rustup" "for managing Rust toolchains (ZisK installs its own)"
+ensure_tool_installed "cargo" "as cargo-zisk is a cargo subcommand"
+
+# Run ziskup installer script with --provingkey to get a full setup.
+# This also installs the 'zisk' rust toolchain and cargo-zisk CLI.
+echo "Running ziskup installer with --provingkey option..."
+curl https://raw.githubusercontent.com/0xPolygonHermez/zisk/main/ziskup/install.sh | bash -s -- --provingkey
+
+# ziskup installs tools like cargo-zisk to $HOME/.zisk/bin.
+# Add this to PATH for the current script session so we can verify cargo-zisk.
+ZISK_TOOLS_BIN_DIR="${HOME}/.zisk/bin"
+if [ -d "${ZISK_TOOLS_BIN_DIR}" ] && [[ ":$PATH:" != *":${ZISK_TOOLS_BIN_DIR}:"* ]]; then
+    echo "Adding ${ZISK_TOOLS_BIN_DIR} to PATH for current script session."
+    export PATH="${ZISK_TOOLS_BIN_DIR}:$PATH"
+fi
+
+# Verify ZisK installation
+echo "Verifying ZisK installation..."
+
+echo "Checking for 'zisk' toolchain..."
+if rustup toolchain list | grep -q "^zisk"; then
+    echo "ZisK Rust toolchain found."
+else
+    echo "Error: ZisK Rust toolchain ('zisk') not found after installation!" >&2
+    echo "       Attempting to run 'ziskup' again to ensure toolchain setup..."
+    # Sometimes ziskup might need a second run or explicit toolchain setup if path issues occurred initially
+    # However, for a script, we expect the first run to succeed. This is more of a diagnostic.
+    if command -v ziskup &> /dev/null; then ziskup; fi
+    if ! rustup toolchain list | grep -q "^zisk"; then
+      echo "Critical Error: ZisK Rust toolchain still not found!" >&2
+      exit 1
+    fi
+fi
+
+echo "Checking for cargo-zisk CLI tool (using +zisk toolchain)..."
+# TODO: cargo +zisk zisk to fix
+if cargo +zisk zisk --version; then
+    echo "cargo-zisk CLI tool verified successfully."
+else
+    echo "Error: 'cargo +zisk zisk --version' failed." >&2
+    echo "       Attempting verification with cargo-zisk directly (if in PATH from ${ZISK_TOOLS_BIN_DIR})..."
+    if command -v cargo-zisk &> /dev/null && cargo-zisk --version; then
+        echo "cargo-zisk found directly in PATH and verified."
+    else
+        echo "Error: cargo-zisk also not found directly or 'cargo +zisk zisk --version' failed." >&2
+        echo "       Ensure ${ZISK_TOOLS_BIN_DIR} is effectively in PATH for new shells and check ziskup output." >&2
+        exit 1
+    fi
+fi