flutter setup for linux

setup_flutter.sh

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+#!/bin/bash
+SCRIPTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+
+OS="unknown"
+if [ "$(uname)" == "Linux" ]; then
+    if [ ! "$(grep -Ei 'debian|buntu|mint' /etc/*release)" ]; then
+        echo Not a supported Linux
+        exit 1
+    fi
+    OS="linux"
+elif [ "$(uname)" == "Darwin" ]; then
+    OS="macos"
+fi
+if [ "$OS" == "unknown" ]; then
+    echo "Not a supported operating system for this script"
+    exit 1
+fi
+
+# ensure flutter is installed
+if command -v flutter &> /dev/null; then 
+    echo '[X] flutter is available in the path'
+else
+    echo 'flutter is not available in the path, install flutter from here: https://docs.flutter.dev/get-started/install'
+    exit 1
+fi
+
+# ensure dart is installed
+if command -v dart &> /dev/null; then 
+    echo '[X] dart is available in the path'
+else
+    echo 'dart is not available in the path, check your environment variables and that Flutter was installed correctly'
+    exit 1
+fi
+
+# ensure cargo is installed
+if command -v cargo &> /dev/null; then 
+    echo '[X] cargo is available in the path'
+else
+    echo 'cargo is not available in the path, ensure Rust is installed correctly'
+    exit 1
+fi
+
+# install cargo cbindgen
+cargo install cbindgen
+
+# install dart ffigen
+dart pub global activate ffigen
+
+# install flutter_rust_bridge_codegen
+cargo install flutter_rust_bridge_codegen
+
+# Ensure packages are installed
+if [ "$OS" == "linux" ]; then
+    sudo apt-get install libclang-dev
+elif [ "$OS" == "macos" ]; then
+    brew install llvm
+fi
+
+