Add install.sh

install.sh

@@ -0,0 +1,73 @@
+#!/usr/bin/env bash
+
+set -e
+set -u
+set -o pipefail
+
+put() {
+  echo -e "\e[1;32m$1\e[0m"
+}
+
+do_install() {
+  cat <<'EOM'
+
+  ______      _____           _        _ _
+ |  ____|    |_   _|         | |      | | |
+ | |____  __   | |  _ __  ___| |_ __ _| | | ___ _ __
+ |  __\ \/ /   | | | '_ \/ __| __/ _` | | |/ _ \ '__|
+ | |   >  <   _| |_| | | \__ \ || (_| | | |  __/ |
+ |_|  /_/\_\ |_____|_| |_|___/\__\__,_|_|_|\___|_|
+
+EOM
+
+  platform=''
+  if [[ "$OSTYPE" == "linux"* ]]; then
+    platform='linux'
+  elif [[ "$OSTYPE" == "darwin"* ]]; then
+    platform='macos'
+  elif [[ "$OSTYPE" == "win"* ]]; then
+    platform='win.exe'
+  fi
+
+  if test "x$platform" = "x"; then
+    cat <<EOM
+/=====================================\\
+|      COULD NOT DETECT PLATFORM      |
+\\=====================================/
+
+Uh oh! We couldn't automatically detect your operating system.
+
+Please, download fx from https://github.com/antonmedv/fx/releases manually.
+EOM
+    exit 2
+  else
+    put "Detected platform: $platform"
+  fi
+
+  put "Downloading latest fx-$platform.zip"
+  curl -L "https://github.com/antonmedv/fx/releases/latest/download/fx-$platform.zip" > "fx-$platform.zip"
+
+  put "Extracting fx-$platform.zip"
+  unzip "fx-$platform.zip"
+  rm "fx-$platform.zip"
+  mv "fx-$platform" fx
+
+  name=''
+  read -p $'\e[1;35mWhould you like to move fx binary to /usr/local/bin?\e[0m [Y/n] ' -n 1 -r
+  echo
+  if [[ $REPLY =~ ^[Yy]$ ]]; then
+    mv fx /usr/local/bin/fx
+    name='fx'
+  else
+    name='./fx'
+  fi
+
+  cat <<EOM
+Now you can start using fx.
+
+    $ $name '.downloadCount + 1'
+
+EOM
+}
+
+do_install