feat: Linux & macOS binary installer

bin/serverless.js

@@ -2,6 +2,15 @@
 
 'use strict';
 
+if (
+  process.argv[2] === 'binary-postinstall' &&
+  process.argv.length === 3 &&
+  require('../lib/utils/isStandaloneExecutable')
+) {
+  require('../scripts/postinstall');
+  return;
+}
+
 // global graceful-fs patch
 // https://github.com/isaacs/node-graceful-fs#global-patching
 const realFs = require('fs');

scripts/pkg/install.sh

@@ -0,0 +1,87 @@
+#!/bin/sh
+
+set -e
+
+reset="\033[0m"
+red="\033[31m"
+green="\033[32m"
+yellow="\033[33m"
+cyan="\033[36m"
+white="\033[37m"
+
+printf "\n$yellow Installing Serverless!$reset\n\n"
+
+# Detect platform
+if [[ $OSTYPE == "linux-gnu" ]]; then
+  PLATFORM="linux"
+elif [[ $OSTYPE == "darwin"* ]]; then
+  PLATFORM="macos"
+else
+  echo "$red Sorry, there's no serverless binary installer available for this platform. Please open request for it at https://github.com/serverless/serverless/issues.$reset"
+  exit 1
+fi
+
+# Detect architecture
+MACHINE_TYPE=`uname -m`
+if [[ $MACHINE_TYPE == "x86_64" ]]; then
+  ARCH='x64'
+else
+  echo "$red Sorry, there's no serverless binary installer available for $MACHINE_TYPE architecture. Please open request for it at https://github.com/serverless/serverless/issues.$reset"
+  exit 1
+fi
+
+# Resolve latest tag
+LATEST_TAG=`curl -L --silent https://api.github.com/repos/serverless/serverless/releases/latest 2>&1 | grep 'tag_name' | grep -oE "v[0-9]+\.[0-9]+\.[0-9]+"`
+
+# Dowload binary
+BINARIES_DIR_PATH=$HOME/.serverless/bin
+BINARY_PATH=$BINARIES_DIR_PATH/serverless
+mkdir -p $BINARIES_DIR_PATH
+printf "$yellow Downloading binary...$reset\n"
+curl -L -o $BINARY_PATH https://github.com/serverless/serverless/releases/download/$LATEST_TAG/serverless-$PLATFORM-$ARCH
+chmod +x $BINARY_PATH
+
+# Ensure aliases
+ln -sf serverless $BINARIES_DIR_PATH/sls
+
+# Add to $PATH
+SOURCE_STR="# Added by serverless binary installer\nexport PATH=\"\$HOME/.serverless/bin:\$PATH\"\n"
+add_to_path () {
+  command printf "\n$SOURCE_STR" >> "$1"
+  printf "\n$yellow Added the following to $1:\n\n$SOURCE_STR$reset"
+}
+SHELLTYPE="$(basename "/$SHELL")"
+if [[ $SHELLTYPE = "fish" ]]; then
+  command fish -c 'set -U fish_user_paths $fish_user_paths ~/.serverless/bin'
+  printf "\n$yellow Added ~/.serverless/bin to fish_user_paths universal variable$reset."
+elif [[ $SHELLTYPE = "zsh" ]]; then
+  SHELL_CONFIG=$HOME/.zshrc
+  if [ ! -r $SHELL_CONFIG ] || (! `grep -q '.serverless/bin' $SHELL_CONFIG`); then
+    add_to_path $SHELL_CONFIG
+  fi
+else
+  SHELL_CONFIG=$HOME/.bashrc
+  if [ ! -r $SHELL_CONFIG ] || (! `grep -q '.serverless/bin' $SHELL_CONFIG`); then
+    add_to_path $SHELL_CONFIG
+  fi
+  SHELL_CONFIG=$HOME/.bash_profile
+  if [[ -r $SHELL_CONFIG ]]; then
+    if [[ ! $(grep -q '.serverless/bin' $SHELL_CONFIG) ]]; then
+      add_to_path $SHELL_CONFIG
+    fi
+  else
+    SHELL_CONFIG=$HOME/.bash_login
+    if [[ -r $SHELL_CONFIG ]]; then
+      if [[ ! $(grep -q '.serverless/bin' $SHELL_CONFIG) ]]; then
+        add_to_path $SHELL_CONFIG
+      fi
+    else
+      SHELL_CONFIG=$HOME/.profile
+      if [ ! -r $SHELL_CONFIG ] || (! `grep -q '.serverless/bin' $SHELL_CONFIG`); then
+        add_to_path $SHELL_CONFIG
+      fi
+    fi
+  fi
+fi
+
+$HOME/.serverless/bin/serverless binary-postinstall

scripts/postinstall.js

@@ -2,14 +2,18 @@
 
 const boxen = require('boxen');
 const chalk = require('chalk');
+const isPathDependent =
+  require('../lib/utils/isStandaloneExecutable') && process.platform !== 'win32';
 
 const truthyStr = val => val && !['0', 'false', 'f', 'n', 'no'].includes(val.toLowerCase());
 const { CI, ADBLOCK, SILENT } = process.env;
 if (!truthyStr(CI) && !truthyStr(ADBLOCK) && !truthyStr(SILENT)) {
   process.stdout.write(
     `${boxen(
       chalk.yellow(
-        'Serverless Framework successfully installed!\nTo start your first project, run “serverless”.'
+        `Serverless Framework successfully installed!\nTo start your first project, ${
+          isPathDependent ? 'please open another terminal and ' : ''
+        }run “serverless”.`
       ),
       { padding: 1, margin: 1, borderColor: 'yellow' }
     )}\n`