Created
March 24, 2016 20:37
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A script to help installing elm packages.
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| require "json" | |
| require "net/http" | |
| require "uri" | |
| def download(name) | |
| puts "Installing " + name | |
| `elm package install #{name} --yes` | |
| end | |
| def prompt(instructions) | |
| resp = "" | |
| print instructions | |
| resp = $stdin.gets.chomp | |
| if resp == "y" | |
| true | |
| elsif resp == "n" | |
| false | |
| else | |
| prompt "Must type 'y' for yes or 'n' for no: " | |
| end | |
| end | |
| package = ARGV[0].downcase | |
| yesToPrompts = ARGV.include? "--yes" | |
| if package.nil? | |
| $stderr.puts "Error: no package specified" | |
| exit 1 | |
| end | |
| if package.include? "start" | |
| if prompt "Would you like to download StartApp and related packages? " | |
| download "evancz/elm-effects" | |
| download "evancz/elm-html" | |
| download "evancz/elm-http" | |
| download "evancz/start-app" | |
| exit | |
| end | |
| end | |
| uri = URI.parse('http://package.elm-lang.org/all-packages?elm-package-version=0.16') | |
| http = Net::HTTP.new(uri.host, uri.port) | |
| request = Net::HTTP::Get.new(uri.request_uri) | |
| response = http.request(request) | |
| if response.code == "200" | |
| result = JSON.parse(response.body) | |
| names = result.map{|h| h["name"]} | |
| matches = names.select{|n| n.downcase.include? package} | |
| if matches.empty? | |
| puts "No matching packages found." | |
| elsif matches.length == 1 | |
| match = matches.first | |
| if yesToPrompts | |
| download match, true | |
| else | |
| puts "Found one match: " + match | |
| if prompt "Do you want to install it now? (y/n) " | |
| download match | |
| else | |
| puts "Okay, you can download #{match} yourself." | |
| end | |
| end | |
| else | |
| puts "Multiple matching packages were found. You should install the one(s) you want." | |
| puts matches.map{|s| "\t"+s} | |
| end | |
| else | |
| $stderr.puts "Error downloading package list." | |
| end | |
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