Class: ModuleSync::Repository

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

Overview

Wrapper for Git in ModuleSync context

Instance Method Summary collapse

Constructor Details

#initialize(directory:, remote:) ⇒ Repository

Returns a new instance of Repository.



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# File 'lib/modulesync/repository.rb', line 6

def initialize(directory:, remote:)
  @directory = directory
  @remote = remote
end

Instance Method Details

#checkout_branch(branch) ⇒ Object 



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# File 'lib/modulesync/repository.rb', line 123

def checkout_branch(branch)
  selected_branch = branch || repo.current_branch || 'master'
  repo.branch(selected_branch).checkout
  selected_branch
end

#clone ⇒ Object 



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# File 'lib/modulesync/repository.rb', line 73

def clone
  puts "Cloning from '#{@remote}'"
  @git = Git.clone(@remote, @directory)
end

#cloned? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/modulesync/repository.rb', line 69

def cloned?
  Dir.exist? File.join(@directory, '.git')
end

#default_branch ⇒ Object 



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# File 'lib/modulesync/repository.rb', line 33

def default_branch
  # `Git.default_branch` requires ruby-git >= 1.17.0
  return Git.default_branch(repo.dir) if Git.respond_to? :default_branch

  symbolic_ref = repo.branches.find { |b| b.full.include?('remotes/origin/HEAD') }
  return unless symbolic_ref

  %r{remotes/origin/HEAD\s+->\s+origin/(?<branch>.+?)$}.match(symbolic_ref.full)[:branch]
end

#default_reset_branch(branch) ⇒ Object 



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# File 'lib/modulesync/repository.rb', line 93

def default_reset_branch(branch)
  remote_branch_exists?(branch) ? branch : default_branch
end

#git ⇒ Object 



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# File 'lib/modulesync/repository.rb', line 11

def git
  @git ||= Git.open @directory
end

#local_branch_exists?(branch) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/modulesync/repository.rb', line 24

def local_branch_exists?(branch)
  repo.branches.local.collect(&:name).include?(branch)
end

#prepare_workspace(branch:, operate_offline:) ⇒ Object 



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# File 'lib/modulesync/repository.rb', line 78

def prepare_workspace(branch:, operate_offline:)
  if cloned?
    puts "Overriding any local changes to repository in '#{@directory}'"
    git.fetch 'origin', prune: true unless operate_offline
    git.reset_hard
    switch(branch: branch)
    git.pull('origin', branch) if !operate_offline && remote_branch_exists?(branch)
  else
    raise ModuleSync::Error, 'Unable to clone in offline mode.' if operate_offline

    clone
    switch(branch: branch)
  end
end

#push(branch:, remote_branch:, remote_name: 'origin') ⇒ Object

Raises:



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# File 'lib/modulesync/repository.rb', line 169

def push(branch:, remote_branch:, remote_name: 'origin')
  raise ModuleSync::Error, 'Repository must be locally available before trying to push' unless cloned?

  remote_url = git.remote(remote_name).url
  remote_branch ||= branch
  puts "Push branch '#{branch}' to '#{remote_url}' (#{remote_name}/#{remote_branch})"

  git.push(remote_name, "#{branch}:#{remote_branch}", force: true)
end

#puts(*args) ⇒ Object 



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# File 'lib/modulesync/repository.rb', line 207

def puts(*args)
  $stdout.puts(*args) if ModuleSync.options[:verbose]
end

#remote_branch_differ?(local_branch, remote_branch) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/modulesync/repository.rb', line 28

def remote_branch_differ?(local_branch, remote_branch)
  !remote_branch_exists?(remote_branch) ||
    repo.diff("#{local_branch}..origin/#{remote_branch}").any?
end

#remote_branch_exists?(branch) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/modulesync/repository.rb', line 20

def remote_branch_exists?(branch)
  repo.branches.remote.collect(&:name).include?(branch)
end

#repo ⇒ Object

This is an alias to minimize code alteration



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# File 'lib/modulesync/repository.rb', line 16

def repo
  git
end

#reset_workspace(branch:, operate_offline:, source_branch: nil) ⇒ Object 



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# File 'lib/modulesync/repository.rb', line 97

def reset_workspace(branch:, operate_offline:, source_branch: nil)
  raise if branch.nil?

  if cloned?
    source_branch ||= "origin/#{default_reset_branch branch}"
    puts "Hard-resetting any local changes to repository in '#{@directory}' from branch '#{source_branch}'"
    switch(branch: branch)
    git.fetch 'origin', prune: true unless operate_offline

    git.reset_hard source_branch
    git.clean(d: true, force: true)
  else
    raise ModuleSync::Error, 'Unable to clone in offline mode.' if operate_offline

    clone
    switch(branch: branch)
  end
end

#show_changes(options) ⇒ Object 



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# File 'lib/modulesync/repository.rb', line 188

def show_changes(options)
  checkout_branch(options[:branch])

  $stdout.puts 'Files changed:'
  repo.diff('HEAD', '--').each do |diff|
    $stdout.puts diff.patch
  end

  $stdout.puts 'Files added:'
  untracked_unignored_files.each_key do |file|
    $stdout.puts file
  end

  $stdout.puts "\n\n"
  $stdout.puts '--------------------------------'

  git.diff('HEAD', '--').any? || untracked_unignored_files.any?
end

#submit_changes(files, options) ⇒ Object

Git add/rm, git commit, git push



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# File 'lib/modulesync/repository.rb', line 130

def submit_changes(files, options)
  message = options[:message]
  branch = checkout_branch(options[:branch])
  files.each do |file|
    if repo.status.deleted.include?(file)
      repo.remove(file)
    elsif File.exist? File.join(@directory, file)
      repo.add(file)
    end
  end
  begin
    opts_commit = {}
    opts_push = {}
    opts_commit = { amend: true } if options[:amend]
    opts_push = { force: true } if options[:force]
    if options[:pre_commit_script]
      script = "#{File.dirname(File.dirname(__FILE__))}/../contrib/#{options[:pre_commit_script]}"
      `#{script} #{@directory}`
    end
    repo.commit(message, opts_commit)
    if options[:remote_branch]
      if remote_branch_differ?(branch, options[:remote_branch])
        repo.push('origin', "#{branch}:#{options[:remote_branch]}", opts_push)
        puts "Changes have been pushed to: '#{branch}:#{options[:remote_branch]}'"
      end
    else
      repo.push('origin', branch, opts_push)
      puts "Changes have been pushed to: '#{branch}'"
    end
  rescue Git::GitExecuteError => e
    raise unless e.message.match?(/working (directory|tree) clean/)

    puts "There were no changes in '#{@directory}'. Not committing."
    return false
  end

  true
end

#switch(branch:) ⇒ Object 



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# File 'lib/modulesync/repository.rb', line 43

def switch(branch:)
  unless branch
    branch = default_branch
    puts "Using repository's default branch: #{branch}"
  end
  return if repo.current_branch == branch

  if local_branch_exists?(branch)
    puts "Switching to branch #{branch}"
    repo.checkout(branch)
  elsif remote_branch_exists?(branch)
    puts "Creating local branch #{branch} from origin/#{branch}"
    repo.checkout("origin/#{branch}")
    repo.branch(branch).checkout
  else
    base_branch = default_branch
    unless base_branch
      puts "Couldn't detect default branch. Falling back to assuming 'master'"
      base_branch = 'master'
    end
    puts "Creating new branch #{branch} from #{base_branch}"
    repo.checkout("origin/#{base_branch}")
    repo.branch(branch).checkout
  end
end

#tag(version, tag_pattern) ⇒ Object 



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# File 'lib/modulesync/repository.rb', line 116

def tag(version, tag_pattern)
  tag = tag_pattern % version
  puts "Tagging with #{tag}"
  repo.add_tag(tag)
  repo.push('origin', tag)
end

#untracked_unignored_files ⇒ Object

Needed because of a bug in the git gem that lists ignored files as untracked under some circumstances github.com/schacon/ruby-git/issues/130



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# File 'lib/modulesync/repository.rb', line 182

def untracked_unignored_files
  ignore_path = File.join @directory, '.gitignore'
  ignored = File.exist?(ignore_path) ? File.read(ignore_path).split : []
  repo.status.untracked.keep_if { |f, _| ignored.none? { |i| File.fnmatch(i, f) } }
end