Add an install script

install.sh

@@ -1,3 +1,65 @@
 #!/bin/sh
 
-echo 'hello world'
+# Prompt for sudo
+# Download the binary from github to /usr/local/bin
+
+{
+  set -e
+  SUDO=''
+  if [ "$(id -u)" != "0" ]; then
+    SUDO='sudo'
+    echo "This script requires superuser access."
+    echo "You will be prompted for your password by sudo."
+    # clear any previous sudo permission
+    sudo -k
+  fi
+
+  # run inside sudo
+  $SUDO bash <<SCRIPT
+    set -e
+    echoerr() { echo "\$@" 1>&2; }
+    if [[ ! ":\$PATH:" == *":/usr/local/bin:"* ]]; then
+      echoerr "Your path is missing /usr/local/bin, you need to add this to use this installer."
+      exit 1
+    fi
+
+    # Detect the OS
+    if [ "\$(uname)" == "Darwin" ]; then
+      OS=darwin
+    elif [ "\$(expr substr \$(uname -s) 1 5)" == "Linux" ]; then
+      OS=linux
+    else
+      echoerr "This installer is only supported on Linux and MacOS"
+      exit 1
+    fi
+
+    # Detect the architecture
+    ARCH="\$(uname -m)"
+    if [ "\$ARCH" == "x86_64" ]; then
+      ARCH=amd64
+    elif [[ "\$ARCH" == arm* ]]; then
+      ARCH=arm
+    elif [[ "\$ARCH" == i386 ]]; then
+      ARCH=386
+    elif [[ "\$ARCH" == amd64 ]]; then
+      ARCH=amd64
+    else
+      echoerr "Unsupported arch: \$ARCH"
+      exit 1
+    fi
+
+    VERSION=v0.0.1
+    URL=https://github.com/jayrbolton/kbase_sdk_cli/releases/download/\$VERSION/cli_\$OS_\$ARCH
+
+    cd /usr/local/bin
+    rm -rf kbase-sdk
+    curl -L --output kbase-sdk "\$URL"
+    chmod +x kbase-sdk
+
+SCRIPT
+
+  # test the CLI
+  LOCATION=$(command -v kbase-sdk)
+  echo "KBase SDK CLI installed to $LOCATION"
+  kbase-sdk version
+}