Merge pull request #36 from sourceplusplus/issue-20

Issue 20

Author: BFergerson

README.md

@@ -8,6 +8,31 @@
 
 This project provides a command-line interface to [Source++](https://github.com/sourceplusplus/live-platform), the open-source live coding platform.
 
+# Install
+
+## Quick install
+
+### Linux or macOS
+
+Install the latest version with the following command:
+
+```shell
+/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/sourceplusplus/interface-cli/master/scripts/install.sh)"
+```
+
+### Windows
+
+Note: you need to start cmd or PowerShell in administrator mode.
+
+```shell
+curl -LO "https://raw.githubusercontent.com/sourceplusplus/interface-cli/master/scripts/install.bat" && .\install.bat
+```
+
+## Install by available binaries
+
+Go to the [releases page](https://github.com/sourceplusplus/interface-cli/releases) to download all available binaries,
+including macOS, Linux, Windows.
+
 # Usage
 
 Try executing `spp-cli --help` to output the usage instructions like so:

scripts/install.bat

@@ -0,0 +1,32 @@
+@REM Installation (Note: you need to start cmd or powershell in administrator mode.)
+@echo off
+setlocal ENABLEDELAYEDEXPANSION
+
+@REM  Get the latest version of spp-cli.
+set FLAG="FALSE"
+set VERSION= UNKNOWN
+curl -s https://api.github.com/repos/sourceplusplus/interface-cli/releases/latest > response.txt
+FOR /F "tokens=*" %%g IN ('FIND "tag_name" "response.txt"') do set result=%%g
+set "tag_name=%result:"tag_name": "=%"
+set "VERSION=%tag_name:",=%"
+@echo The latest version of spp-cli is %VERSION%
+
+@REM Download the binary package.
+curl -LO "https://github.com/sourceplusplus/interface-cli/releases/download/%VERSION%/spp-cli-%VERSION%-win64.zip"
+if EXIST "spp-cli-%VERSION%-win64.zip" (
+    tar -xf ".\spp-cli-%VERSION%-win64.zip"
+
+    mkdir "C:\Program Files\spp-cli"
+
+    @REM Add spp-cli to the environment variable PATH.
+    copy ".\spp-cli.exe" "C:\Program Files\spp-cli\spp-cli.exe"
+    setx "Path" "C:\Program Files\spp-cli\;%path%" /m
+
+    @REM Delete unnecessary files.
+    del ".\response.txt"
+    del ".\spp-cli-%VERSION%-win64.zip"
+
+    @echo Reopen the terminal and type 'spp-cli --help' to get more information.
+) else (
+    @echo Failed to download spp-cli-%VERSION%-win64.zip
+)

scripts/install.sh

@@ -0,0 +1,59 @@
+#!/bin/bash
+
+# Treat unset variables and parameters other than the special parameters ‘@’ or ‘*’ as an error.
+set -u
+
+# Exit the script with a message.
+abort() {
+  printf "%s\n" "$@"
+  exit 1
+}
+
+# Check if there is a bash.
+if [ -z "${BASH_VERSION:-}" ]; then
+  abort "Bash is required to interpret this install script."
+fi
+
+# Check OS.
+OS="$(uname)"
+if [[ "$OS" != "Darwin" && "$OS" != "Linux" ]]; then
+  abort "The install script is only supported on macOS and Linux."
+fi
+
+check_cmd() {
+    if ! command -v "$@" &> /dev/null 
+    then
+        abort "You must install "$@" before running the install script."
+    fi
+}
+
+# Check if the commands to be used exist.
+for cmd in curl unzip; do
+  check_cmd $cmd
+done
+
+get_latest_release_number() {
+  curl --silent "https://github.com/sourceplusplus/interface-cli/releases/latest" | sed 's#.*tag/\(.*\)\".*#\1#'
+}
+
+# Get the latest version of spp-cli.
+VERSION=$(get_latest_release_number)
+echo "Installing spp-cli $VERSION"
+
+# Download the binary package.
+curl -sSLO "https://github.com/sourceplusplus/interface-cli/releases/download/$VERSION/spp-cli-$VERSION-linux64.zip" > /dev/null
+if [ -f "spp-cli-$VERSION-linux64.zip" ]; then
+    unzip -q spp-cli-$VERSION-linux64.zip
+
+    echo "Adding spp-cli to your PATH"
+    # Add spp-cli to the environment variable PATH.
+    sudo mv spp-cli /usr/local/bin/spp-cli
+
+    # Delete unnecessary files.
+    rm "./spp-cli-$VERSION-linux64.zip"
+    echo "Installation complete."
+
+    echo "Type 'spp-cli --help' to get more information."
+else
+    abort "Failed to download spp-cli-$VERSION-linux64.zip"
+fi