Module: PryGithub::GithubHelpers

Defined in:
lib/pry-github.rb

Instance Method Summary collapse

Instance Method Details

#find_git_root(dir) ⇒ Object 



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# File 'lib/pry-github.rb', line 40

def find_git_root(dir)
  git_root = "."
  Dir.chdir dir do
    git_root =  `git rev-parse --show-toplevel`.chomp
  end

  raise "No associated git repository found!" if git_root =~ /fatal:/
  git_root
end

#find_github_remote(repo) ⇒ Object 



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# File 'lib/pry-github.rb', line 50

def find_github_remote(repo)
  remote_urls = repo.remotes.map { |remote| repo.config["remote.#{remote.name.split('/')[0]}.url"] }
  gh_url = remote_urls.find { |url| url =~ /github\.com/ }

  raise "No GitHub remote found!" unless gh_url
  gh_url
end

#get_file_from_commit(path) ⇒ Object 



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# File 'lib/pry-github.rb', line 12

def get_file_from_commit(path)
  git_root = find_git_root(File.dirname(path))
  repo = Grit::Repo.new(git_root)
  head = repo.commits.first
  tree_names = relative_path(git_root, path).split("/")
  start_tree = head.tree
  blob_name = tree_names.last
  tree = tree_names[0..-2].inject(start_tree)  { |a, v|  a.trees.find { |t| t.basename == v } }
  blob = tree.blobs.find { |v| v.basename == blob_name }
  blob.data
end

#get_github_url(meth, url_type = "blob") ⇒ Object 



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# File 'lib/pry-github.rb', line 58

def get_github_url(meth, url_type="blob")
  file_name = meth.source_location.first
  code, start_line = method_code_from_head(meth)

  git_root = find_git_root(File.dirname(file_name))

  repo = Grit::Repo.new(git_root)
  gh_url = find_github_remote(repo)

  # ssh urls can't be parsed with URI.parse
  if gh_url[0..3] == "git@"
    gh_url = gh_url.gsub(":", "/")
    gh_url[0..3] = "https://"
  end

  uri = URI.parse(gh_url)
  https_url = "https://#{uri.host}#{uri.path}".gsub(".git", "")
  https_url += "/#{url_type}/#{repo.commit("HEAD").sha}"
  https_url += file_name.gsub(repo.working_dir, '')
  https_url += "#L#{start_line}-L#{start_line + code.lines.to_a.size}"

  uri = URI.parse(https_url)
  response = nil
  Net::HTTP.start(uri.host, uri.port, :use_ssl => uri.scheme == 'https') do |http|
    response = http.head(uri.path)
  end

  if response.code == "404"
    https_url = https_url.gsub(repo.commit("HEAD").sha, repo.head.name)
  end

  https_url
end

#method_code_from_head(meth) ⇒ Object 



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# File 'lib/pry-github.rb', line 24

def method_code_from_head(meth)
  code = get_file_from_commit(meth.source_location.first)
  search_line = meth.source.lines.first.strip
  _, start_line = code.lines.to_a.each_with_index.find { |v, i| v.strip == search_line }

  raise "Can't find #{args[0]} in the repo. Perhaps it hasn't been committed yet." unless start_line

  start_line
  [Pry.new(:input => StringIO.new(code.lines.to_a[start_line..-1].join)).r(target), start_line + 1]
end

#relative_path(root, path) ⇒ Object 



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# File 'lib/pry-github.rb', line 35

def relative_path(root, path)
  path =~ /#{root}\/(.*)/
  $1
end