Class: GithubMergeSign::PullRequest

Inherits:
Object
  • Object
show all
Defined in:
lib/github_merge_sign.rb

Constant Summary collapse

BASE_URL = 
'https://api.github.com/repos'.freeze

Instance Method Summary collapse

Constructor Details

#initialize(pr_number) ⇒ PullRequest

Returns a new instance of PullRequest.



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# File 'lib/github_merge_sign.rb', line 11

def initialize(pr_number)
  @pr_number = pr_number
end

Instance Method Details

#commit_message ⇒ Object 



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# File 'lib/github_merge_sign.rb', line 48

def commit_message
  <<-EOT
Merge pull request ##{@pr_number} from #{details.fetch('head').fetch('user').fetch('login')}/#{head_ref}

#{details.fetch('title')}
  EOT
end

#external_pr? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/github_merge_sign.rb', line 31

def external_pr?
  details.fetch("base").fetch("repo").fetch("full_name") !=
    details.fetch("head").fetch("repo").fetch("full_name")
end

#head_commit_id ⇒ Object 



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# File 'lib/github_merge_sign.rb', line 40

def head_commit_id
  details.fetch("head").fetch("sha")
end

#head_ref ⇒ Object 



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# File 'lib/github_merge_sign.rb', line 44

def head_ref
  details.fetch("head").fetch("ref")
end

#merge! ⇒ Object 



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# File 'lib/github_merge_sign.rb', line 56

def merge!
  raise "PR is not open" unless open?
  raise "PR is not mergeable" unless mergeable?
  raise "PR has not passed all status checks" unless status_checks_passed?

  # Check working directorty is clean
  unless Kernel.system('git diff --quiet --exit-code HEAD')
    raise "Working directory is not clean. Aborting..."
  end

  info "Checking out and updating #{target_branch}"
  execute_command("git checkout #{target_branch}")
  execute_command("git pull --ff-only origin #{target_branch}")

  if external_pr?
    info "Fetching commits from PR #{@pr_number}"
    execute_command("git fetch origin refs/pull/#{@pr_number}/head")
  end

  info "Merging PR with commit message:\n#{commit_message}"
  execute_command('git', 'merge', '--no-ff', '-S', '-m', commit_message, head_commit_id)

  info "Pushing to origin"
  execute_command("git push origin #{target_branch}")

  unless external_pr?
    info "Deleting remote branch #{head_ref}"
    execute_command("git push origin :#{head_ref}")
  end

  info "Done."
end

#mergeable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/github_merge_sign.rb', line 23

def mergeable?
  !! details.fetch("mergeable")
end

#open? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/github_merge_sign.rb', line 19

def open?
  details.fetch("state") == "open"
end

#repo ⇒ Object 



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# File 'lib/github_merge_sign.rb', line 15

def repo
  @repo ||= read_repo_from_git
end

#status_checks_passed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/github_merge_sign.rb', line 27

def status_checks_passed?
  status.fetch("state") == "success" || status.fetch("statuses").empty?
end

#target_branch ⇒ Object 



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# File 'lib/github_merge_sign.rb', line 36

def target_branch
  details.fetch("base").fetch("ref")
end