Created mix publish task.

lib/publish_task.ex

@@ -0,0 +1,62 @@
+defmodule Mix.Tasks.Publish do
+  use Mix.Task
+
+  @shortdoc """
+  Publish your project on expm.
+  """
+
+  @moduledoc """
+  Publish your project on expm.
+
+  ## Options
+
+  `--repository url`
+
+  By default, this is [https://expm.co/](https://expm.co/)
+
+  `--username USER` and `--password PASSWORD`
+
+  If not available, uses config file.
+  """
+
+  # Get the repo - finding authentication from config file
+  # if not available elsewhere.
+  defp get_repo(opts) do
+    url = opts[:repository] || "https://expm.co"
+    Expm.Repository.HTTP.new(url: url,
+        username: opts[:username], password: opts[:password])
+  end
+
+  # Update options based on the configuration file
+  defp read_config(opts) do
+    config_opts = [:username, :password]
+    update_config(opts, config_opts)
+  end
+
+  defp update_config(opts, []), do: opts
+  defp update_config(opts, [key|t]) do
+    if opts[key] == nil do
+      opts = Keyword.put opts, key, Expm.UserConfig.get key
+    end
+    update_config(opts, t)
+  end
+
+  def run(args) do
+    { opts, [] } = OptionParser.parse(args)
+    opts = read_config(opts)
+    Application.Behaviour.start :expm
+    publish get_repo(opts)
+  end
+
+  def publish(repo) do
+    proj = Mix.project
+    package = Expm.Package.new(name: atom_to_binary(proj[:app]),
+                               version: proj[:version],
+                               description: proj[:description],
+                               keywords: proj[:keywords],
+                               maintainers: proj[:maintainers],
+                               repositories: proj[:repositories]
+                              )
+    Expm.Package.publish repo, package
+  end
+end

test/repository_auth_test.exs

@@ -16,6 +16,12 @@ defmodule Expm.Test.Repository.Auth do
     assert package.metadata[:published_by] == "user"
   end
 
+  test "uploading a new package with mix", data do
+    auth = Expm.Repository.Auth.new(repository: data[:repo], username: "user", auth_token: "password")
+    package = Mix.Tasks.Publish.publish(auth)
+    assert package.metadata[:published_by] == "user"
+  end
+
   test "uploading a package with the same version", data do
     package = Expm.Package.new(name: "test", version: "0.1")
     auth = Expm.Repository.Auth.new(repository: data[:repo], username: "user", auth_token: "password")