Make Update Dependencies Customizable (#32)

* Allow updateDependencies to take in parameters that are set to default values

* Now takes in parameters that are set to a default value or pass in your own

* fix syntax errors

* Added documentation for the parameters

fastlane/Fastfile

@@ -207,21 +207,40 @@ lane :installProfiles do
 end
 
 desc "Updates project dependencies in Bundler and CocoaPods, then sends a pull request if there are changes"
-lane :updateDependencies do
+desc "#### Options"
+  desc " * **`branchname`**: Accepts an optional value to set the dependency updater branch. If no value is passed in, it will default to the ENV variable name."
+  desc " * **`base`**: Accepts an optional value to set the base branch for the created dependency update PR. If no value is passed in, it will default to master." 
+  desc " * **`pullRequestTitle`**: Accepts an optional value to set the title for the created dependency update PR. If no value is passed in, it will default to Update Dependencies."
+lane :updateDependencies do |options|
+    options[:branchname] ||= ENV["UPDATE_DEPENDENCIES_BRANCH"]
+    options[:base] ||= "master"
+    options[:pullRequestTitle] ||= "Update Dependencies"
+
     fastlane_require 'fastlane-plugin-git_status'
-    xcversion(version: ENV["XCODE_VERSION"] || '~> 10.2')
+
+    xcversion(version: ENV["XCODE_VERSION"] || '~> 11.3')
     bundle_update if File.exist?("../Gemfile.lock")
     cocoapods_update if File.exist?("../Podfile.lock")
     carthage(command: "update", no_build: true) if File.exist?("../Cartfile.resolved")
-    sendUpdatePullRequest unless git_status.empty?
+
+    sendUpdatePullRequest(
+      branchname: options[:branchname],
+      base: options[:base],
+      pullRequestTitle: options[:pullRequestTitle]
+    ) unless git_status.empty?
 end
 
 desc "Sends a pull request with the current changes to dependencies"
-lane :sendUpdatePullRequest do
-    fastlane_require 'fastlane-plugin-git_status'
+lane :sendUpdatePullRequest do |options|
+    options[:branchname] ||= ENV["UPDATE_DEPENDENCIES_BRANCH"]
+    options[:base] ||= "master"
+    options[:pullRequestTitle] ||= "Update Dependencies"
 
-    branchname = ENV["UPDATE_DEPENDENCIES_BRANCH"]
+    fastlane_require 'fastlane-plugin-git_status'
 
+    branchname = options[:branchname]
+    base = options[:base]
+
     create_git_branch(
       branchname: branchname
     )
@@ -251,8 +270,8 @@ lane :sendUpdatePullRequest do
       api_token: ENV["GITHUB_TOKEN"],
       repo: ENV["GITHUB_REPO"],
       head: branchname,
-      base: "master",
-      title: "Update Dependencies"
+      base: base,
+      title: options[:pullRequestTitle]
     )
 end