github

-- created by hildenae
-- Public domain

if not http then
  error("The Computercraft HTTP API is not enabled")
end

function main(args)
  if #args < 1 then
    help()
  elseif args[1] == "--update" then
    update_self()
  elseif #args < 4  then
    help()
  else
    local a=args
    branch = "master"
    if a[1] == "--branch" or a[1] == "-b" then
      branch=a[2]
      i=1
      for key,value in pairs(args) do
        if key > 2 then
          a[i] = value
          i=i+1
        end
      end
    end
    for path in string.gmatch(a[3], "[^,]+") do
      download(a, branch, path)
    end
  end
end

function download(args, branch, path)
  print("Downloading " .. path)
  url = "https://raw.github.com/"..args[1].."/"..args[2].."/"..branch.."/"..path
  local content = http.get(url)
  fs.delete(path)
  local file = fs.open(path, "w")
  file.write(content.readAll())
  file.close()
end

function update_self()
  print("Will update self (master branch)")
  download({"Kagee","cc"},"master", "github")
end

function help()
    print("Arguments:")
    print("github <user> <repo> <path[s] separated by ,>")
    print("--update script will update itself")
    print("--branch <branch> as first arguments will download from <branch>")
    error()
end

main({...})