feat(rebase_onto): add level (#221)

levels/rebase_onto.rb

@@ -0,0 +1,45 @@
+difficulty 2
+
+description "You have created your branch from `wrong_branch` and already made some commits, \
+and you realise that you needed to create your branch from `master`. \
+Rebase your commits onto `master` branch so that you don't have `wrong_branch` commits."
+
+setup do
+  readme_file  = "README.md"
+  authors_file = "authors.md"
+
+  repo.init
+  FileUtils.touch(authors_file)
+  File.open(authors_file, "w") { |f| f << "https://github.com/janis-vitols\n" }
+  repo.add(authors_file)
+  repo.commit_all("Create authors file")
+
+  repo.git.native :checkout, { "b" => true }, "wrong_branch"
+  File.open(authors_file, "w") { |f| f << "None\n" }
+  repo.add(authors_file)
+  repo.commit_all("Wrong changes")
+
+  repo.git.native :checkout, { "b" => true }, "readme-update"
+  FileUtils.touch(readme_file)
+  File.open(readme_file, "a") { |f| f << "# SuperApp\n" }
+  repo.add(readme_file)
+  repo.commit_all("Add app name in readme")
+  File.open(readme_file, "a") { |f| f << "## About\n" }
+  repo.add(readme_file)
+  repo.commit_all("Add `About` header in readme")
+  File.open(readme_file, "a") { |f| f << "## Install\n" }
+  repo.add(readme_file)
+  repo.commit_all("Add `Install` header in readme")
+end
+
+solution do
+  repo.commits("readme-update").each { |commit| return false if commit.message ==  "Wrong changes" }
+  return false unless repo.commits("readme-update").length == 4
+  return false unless File.readlines("authors.md").include?("https://github.com/janis-vitols\n")
+
+  true
+end
+
+hint do
+  puts "You want to research the `git rebase` commands `--onto` argument"
+end

lib/githug/level.rb

@@ -9,7 +9,7 @@ class Level
               "commit_in_future", "reset", "reset_soft", "checkout_file", "remote",
               "remote_url", "pull", "remote_add", "push", "diff", "blame", "branch",
               "checkout", "checkout_tag", "checkout_tag_over_branch", "branch_at",
-              "delete_branch", "push_branch", "merge", "fetch", "rebase", "repack", "cherry-pick",
+              "delete_branch", "push_branch", "merge", "fetch", "rebase", "rebase_onto", "repack", "cherry-pick",
               "grep", "rename_commit", "squash", "merge_squash", "reorder", "bisect",
               "stage_lines", "find_old_branch", "revert", "restore", "conflict",
               "submodule","contribute"]

lib/githug/version.rb

@@ -1,3 +1,3 @@
 module Githug
-  VERSION = "0.4.8"
+  VERSION = "0.4.9"
 end

spec/githug/cli_spec.rb

@@ -103,8 +103,8 @@
         level.should_receive(:full_description)
         profile = mock
         Githug::Profile.stub(:load).and_return(profile)
-        profile.should_receive(:set_level).with("squash")
-        Githug::Level.should_receive(:load).with("squash").and_return(level)
+        profile.should_receive(:set_level).with("rename_commit")
+        Githug::Level.should_receive(:load).with("rename_commit").and_return(level)
         Githug::UI.should_receive(:word_box).with("Githug")
         Githug::UI.should_receive(:puts).with("resetting level")
         subject.reset("45")

spec/githug_spec.rb

@@ -237,6 +237,12 @@ def skip_level
     `githug`.should be_solved
   end
 
+  it "solves the rebase_onto level" do
+    `git checkout readme-update`
+    `git rebase --onto master wrong_branch readme-update`
+    `githug`.should be_solved
+  end
+
   it "solves the repack level" do
     `git repack -d`
     `githug`.should be_solved