Refactor to separate files

git-ticket.rb

@@ -3,6 +3,7 @@
 
 require "open3"
 require "thor"
+require_relative "./lib/git_ticket"
 
 ##
 # CLI interface to the GitTicket class below
@@ -29,63 +30,4 @@ class GitTicketCli < Thor
   end
 end
 
-##
-# Provides an interface to the git commits related to a specific ticket
-class GitTicket
-  attr_reader :ticket
-  attr_accessor :git_command
-
-  ##
-  # Creates a new diff from all commits referencing a given ticket.
-  #
-  # @param [String] ticket_reference The ticket reference to use
-  # @param [String] diff_target The git reference to diff against.
-  def initialize(ticket_reference)
-    @ticket = ticket_reference
-    @git_command = "git -c color.ui=always" # So our output is colourised
-  end
-
-  ##
-  # Sets and returns the commit messages for each commit
-  # @return [Array<String>] The commit messages
-  def commit_messages
-    return @commit_messages if @commit_messages
-
-    @commit_messages = []
-    shas.each do |sha|
-      message, _status = Open3.capture2("#{git_command} show #{sha} -s")
-      @commit_messages.push(message)
-    end
-
-    @commit_messages
-  end
-
-  ##
-  # Sets and returns the patches for each commit.
-  #
-  # @return [Array<String>] The diffs
-  def patches
-    return @patches if @patches
-
-    @patches = []
-    shas.each do |sha|
-      patch, _status = Open3.capture2("#{git_command} show #{sha} --patch")
-      @patches.push(patch)
-    end
-
-    @patches
-  end
-  ##
-
-  # Sets and returns the commit SHAs referenced.
-  #
-  # @return [Array<String>] The commit SHAs
-  def shas
-    return @shas if @shas
-
-    @shas, _status = Open3.capture2("#{git_command} log --all --grep #{@ticket} --format=%H")
-    @shas = @shas.split("\n")
-  end
-end
-
 GitTicketCli.start

lib/git_ticket.rb

@@ -0,0 +1,59 @@
+##
+# Provides an interface to the git commits related to a specific ticket
+class GitTicket
+  attr_reader :ticket
+  attr_accessor :git_command
+
+  ##
+  # Creates a new diff from all commits referencing a given ticket.
+  #
+  # @param [String] ticket_reference The ticket reference to use
+  # @param [String] diff_target The git reference to diff against.
+  def initialize(ticket_reference)
+    @ticket = ticket_reference
+    @git_command = "git -c color.ui=always" # So our output is colourised
+  end
+
+  ##
+  # Sets and returns the commit messages for each commit
+  # @return [Array<String>] The commit messages
+  def commit_messages
+    return @commit_messages if @commit_messages
+
+    @commit_messages = []
+    shas.each do |sha|
+      message, _status = Open3.capture2("#{git_command} show #{sha} -s")
+      @commit_messages.push(message)
+    end
+
+    @commit_messages
+  end
+
+  ##
+  # Sets and returns the patches for each commit.
+  #
+  # @return [Array<String>] The diffs
+  def patches
+    return @patches if @patches
+
+    @patches = []
+    shas.each do |sha|
+      patch, _status = Open3.capture2("#{git_command} show #{sha} --patch")
+      @patches.push(patch)
+    end
+
+    @patches
+  end
+  ##
+
+  # Sets and returns the commit SHAs referenced.
+  #
+  # @return [Array<String>] The commit SHAs
+  def shas
+    return @shas if @shas
+
+    @shas, _status = Open3.capture2("#{git_command} log --all --grep #{@ticket} --format=%H")
+    @shas = @shas.split("\n")
+  end
+end
+