Class: GitCommitNotifier::CommitHook

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

Overview

Represents Git commit hook handler.

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.configHash (readonly)

Configuration that read from YAML file.

Returns:

  • (Hash)

    Configuration.



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# File 'lib/git_commit_notifier/commit_hook.rb', line 15

def config
  @config
end

Class Method Details

.add_committer_to_recipient(recipient, committer_email) ⇒ Object



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# File 'lib/git_commit_notifier/commit_hook.rb', line 47

def add_committer_to_recipient(recipient, committer_email)
  if email?(committer_email)
    "#{recipient},#{committer_email}"
  else
    recipient
  end
end

.email?(email) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'lib/git_commit_notifier/commit_hook.rb', line 43

def email?(email)
  !!(email =~ /@/)
end

.get_reply_to_address(config, committer_email) ⇒ Object



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# File 'lib/git_commit_notifier/commit_hook.rb', line 55

def get_reply_to_address(config, committer_email)
  reply_to_address = config["from"]
  if config["reply_to_author"]
    reply_to_address = committer_email
  elsif config["reply_to_mailinglist"]
    reply_to_address = recipient
  end
  reply_to_address
end

.get_subject(commit_info, template, subject_map) ⇒ String

Gets message subject.

Parameters:

  • commit_info (Hash)

    Commit info.

  • template (String)

    Subject template.

  • subject_map (Hash)

    Map of subject substitutions.

Returns:

  • (String)

    Message subject.



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# File 'lib/git_commit_notifier/commit_hook.rb', line 90

def get_subject(commit_info, template, subject_map)
  template.gsub(/\$\{(\w+)\}/) do |m|
    res = subject_map[$1.intern]
    if res.kind_of?(Proc)
      res = res.call(commit_info)
    end
    res
  end
end

.include_branchesArray(String), NilClass

Note:

All branches will be notified about if returned list is nil; otherwise only specified branches will be notifified about.

Gets list of branches from config to include into notifications.

Returns:

  • (Array(String), NilClass)

    Array of branches to include into notifications or nil.



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# File 'lib/git_commit_notifier/commit_hook.rb', line 68

def include_branches
  include_branches = config["include_branches"]
  unless include_branches.nil?
    if include_branches.kind_of?(String) && include_branches =~ /\,/
      include_branches = include_branches.split(/\s*\,\s*/)
    end
    include_branches = Array(include_branches)
  end
  include_branches
end

.info(message) ⇒ NilClass

Prints informational message to $stdout.

Parameters:

  • message (String)

    Message to be printed to $stdout.

Returns:

  • (NilClass)

    nil



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# File 'lib/git_commit_notifier/commit_hook.rb', line 32

def info(message)
  $stdout.puts message
  $stdout.flush
  nil
end

.loggerObject

Gets logger.



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# File 'lib/git_commit_notifier/commit_hook.rb', line 39

def logger
  @logger ||= Logger.new(config)
end

.merge_commit?(commit_info) ⇒ Boolean

Is merge commit?

Parameters:

  • commit_info (Hash)

    Information about commit.

Returns:

  • (Boolean)


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# File 'lib/git_commit_notifier/commit_hook.rb', line 81

def merge_commit?(commit_info)
  ! commit_info[:commit_info][:merge].nil?
end

.run(config_name, rev1, rev2, ref_name) ⇒ NilClass

Runs comit hook handler using specified arguments.

Parameters:

  • config_name (String)

    Path to the application configuration file in YAML format.

  • rev1 (String)

    First specified revision.

  • rev2 (String)

    Second specified revision.

  • ref_name (String)

    Git reference (usually in "refs/heads/branch" format).

Returns:

  • (NilClass)

    nil

See Also:



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# File 'lib/git_commit_notifier/commit_hook.rb', line 107

def run(config_name, rev1, rev2, ref_name)

  if @start_time.nil?
    @start_time = Time.new
    @start_time_offset = 0
  end

  # Load the configuration
  if File.exists?(config_name)
    @config = YAML::load_file(config_name)
  else
    GitCommitNotifier::CommitHook.info("Unable to find configuration file: #{config_name}")
    @config = {}
  end

  project_path = Git.git_dir
  repo_name = Git.repo_name
  prefix = config["emailprefix"] || repo_name

  branch_name = if ref_name =~ /^refs\/heads\/(.+)$/
    $1
  else
    ref_name.split("/").last
  end
  slash_branch_name = "/#{branch_name}"
  slash_branch_name = "" if !config["show_master_branch_name"] && slash_branch_name == '/master'

  # Identify email recipients
  recipient = nil
  recipient = Git.mailing_list_address  if config["prefer_git_config_mailinglist"]
  if config["mailinglist"].kind_of?(Hash)
    recipient ||= config["mailinglist"][branch_name] || config["mailinglist"]["default"]
  else
    recipient ||= config["mailinglist"]
  end
  recipient ||= Git.mailing_list_address  unless config["prefer_git_config_mailinglist"]

  # If no recipients specified, bail out gracefully. This is not an error, and might be intentional
  if recipient.nil? || recipient.length == 0
    info("bypassing commit notification; no recipients specified (consider setting git config hooks.mailinglist)")
    return
  end

  # Debug information
  logger.debug('----')
  logger.debug("cwd: #{Dir.pwd}")
  logger.debug("Git Directory: #{project_path}")
  logger.debug("prefix: #{prefix}")
  logger.debug("repo_name: #{repo_name}")
  logger.debug("branch: #{branch_name}")
  logger.debug("slash_branch: #{slash_branch_name}")
  logger.debug("ref_name: #{ref_name}")
  logger.debug("rev1: #{rev1}")
  logger.debug("rev2: #{rev2}")
  logger.debug("included branches: #{include_branches.join(', ')}") unless include_branches.nil?

  unless include_branches.nil? || include_branches.include?(branch_name)
    info("Supressing mail for branch #{branch_name}...")
    return nil
  end

  # Replacements for subject template
  #     prefix
  #     repo_name
  #     branch_name
  #     slash_branch_name
  #     commit_id (hash)
  #     short_commit_id (first few unique digits of the hash)
  #     description ('git describe' tag)
  #     short_message
  #     commit_number
  #     commit_count
  #     commit_count_phrase (1 commit, 2 commits, etc)
  #     commit_count_phrase2 (2 commits:, 3 commits:, etc, or "" if just one)
  subject_words = {
    :prefix => prefix,
    :repo_name => repo_name,
    :branch_name => branch_name,
    :slash_branch_name => slash_branch_name,
    :commit_id => nil,
    :short_commit_id => lambda { |commit_info| Git.short_commit_id(commit_info[:commit]) },
    :description => lambda { |commit_info| Git.describe(commit_info[:commit]) },
    :message => nil,
    :commit_number => nil,
    :commit_count => nil,
    :commit_count_phrase => nil,
    :commit_count_phrase2 => nil
  }

  info("Sending mail...")

  diff2html = DiffToHtml.new(config)
  if config["group_email_by_push"]
    diff2html.diff_between_revisions(rev1, rev2, prefix, ref_name)
    diffresult = diff2html.result
    diff2html.clear_result

    text, html = [], []
    result = diffresult.first
    return if result.nil? || !result[:commit_info]

    diffresult.each_with_index do |result, i|
      text << result[:text_content]
      html << result[:html_content]
    end

    # Form the subject from template
    revised_subject_words = subject_words.merge({
      :commit_id => result[:commit_info][:commit],
      :message => result[:commit_info][:message],
      :commit_number => 1,
      :commit_count => diffresult.size,
      :commit_count_phrase => diffresult.size == 1 ? "1 commit" : "#{diffresult.size} commits",
      :commit_count_phrase2 => diffresult.size == 1 ? "" : "#{diffresult.size} commits: "
    })
    subject_template = config['subject'] || "[${prefix}${slash_branch_name}] ${commit_count_phrase2}${message}"
    subject = get_subject(result[:commit_info], subject_template, revised_subject_words)

    emailer = Emailer.new(config,
      :project_path => project_path,
      :recipient => config["send_mail_to_committer"] ? add_committer_to_recipient(recipient, result[:commit_info][:email]) : recipient,
      :from_address => config["from"] || result[:commit_info][:email],
      :from_alias => result[:commit_info][:author],
      :reply_to_address => get_reply_to_address(config, result[:commit_info][:email]),
      :subject => subject,
      :commit_date => result[:commit_info][:date],
      :current_date => Time.new.rfc2822,
      :offset_date => (@start_time + @start_time_offset).rfc2822,
      :text_message => text.join("------------------------------------------\n\n"),
      :html_message => html.join("<hr /><br />"),
      :old_rev => rev1,
      :new_rev => rev2,
      :ref_name => ref_name,
      :repo_name => repo_name
    )
    emailer.send

    # WEBHOOK patch
    unless config['webhook'].nil?
      webhook = Webhook.new(config,
        :committer => result[:commit_info][:author],
        :email => result[:commit_info][:email],
        :message => result[:commit_info][:message],
        :subject => subject,
        :changed => Git.split_status(rev1,rev2),
        :old_rev => rev1,
        :new_rev => rev2,
        :ref_name => ref_name,
        :repo_name => repo_name
      )
      webhook.send

      @start_time_offset += 1
    end
  else
    commit_number = 1
    diff2html.diff_between_revisions(rev1, rev2, prefix, ref_name) do |count, result|
      # Form the subject from template
      revised_subject_words = subject_words.merge({
        :commit_id => result[:commit_info][:commit],
        :message => result[:commit_info][:message],
        :commit_number => commit_number,
        :commit_count => count,
        :commit_count_phrase => count == 1 ? "1 commit" : "#{count} commits",
        :commit_count_phrase2 => count == 1 ? "" : "#{count} commits: "
      })
      subject_template = config['subject'] || "[${prefix}${slash_branch_name}][${commit_number}/${commit_count}] ${message}"
      subject = get_subject(result[:commit_info], subject_template, revised_subject_words)

      emailer = Emailer.new(config,
        :project_path => project_path,
        :recipient => config["send_mail_to_committer"] ? add_committer_to_recipient(recipient, result[:commit_info][:email]) : recipient,
        :from_address => config["from"] || result[:commit_info][:email],
        :from_alias => result[:commit_info][:author],
        :reply_to_address => get_reply_to_address(config, result[:commit_info][:email]),
        :subject => subject,
        :commit_date => result[:commit_info][:date],
        :current_date => Time.new.rfc2822,
        :offset_date => (@start_time + @start_time_offset).rfc2822,
        :text_message => result[:text_content],
        :html_message => result[:html_content],
        :old_rev => rev1,
        :new_rev => rev2,
        :ref_name => ref_name,
        :repo_name => repo_name,
        :message_link => result[:commit_link]
      )
      emailer.send

      # WEBHOOK patch
      unless config['webhook'].nil?
        webhook = Webhook.new(config,
          :committer => result[:commit_info][:author],
          :email => result[:commit_info][:email],
          :message => result[:commit_info][:message],
          :subject => subject,
          :changed => Git.split_status(rev1,rev2),
          :old_rev => rev1,
          :new_rev => rev2,
          :ref_name => ref_name,
          :repo_name => repo_name
        )
        webhook.send
      end

      commit_number += 1

      @start_time_offset += 1
    end
  end
  nil
end

.show_error(message) ⇒ NilClass

Prints error message to $stderr.

Parameters:

  • message (String)

    Message to be printed to $stderr.

Returns:

  • (NilClass)

    nil



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# File 'lib/git_commit_notifier/commit_hook.rb', line 20

def show_error(message)
  $stderr.puts "************** GIT NOTIFIER PROBLEM *******************"
  $stderr.puts "\n"
  $stderr.puts message
  $stderr.puts "\n"
  $stderr.puts "************** GIT NOTIFIER PROBLEM *******************"
  nil
end