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class Commit
extend ActiveModel::Naming
include ActiveModel::Conversion
include Mentionable
include Participable
include Referable
include StaticModel
attr_mentionable :safe_message
participant :author, :committer, :notes, :mentioned_users
attr_accessor :project
# Safe amount of changes (files and lines) in one commit to render
# Used to prevent 500 error on huge commits by suppressing diff
#
# User can force display of diff above this size
DIFF_SAFE_FILES = 100 unless defined?(DIFF_SAFE_FILES)
DIFF_SAFE_LINES = 5000 unless defined?(DIFF_SAFE_LINES)
# Commits above this size will not be rendered in HTML
DIFF_HARD_LIMIT_FILES = 1000 unless defined?(DIFF_HARD_LIMIT_FILES)
DIFF_HARD_LIMIT_LINES = 50000 unless defined?(DIFF_HARD_LIMIT_LINES)
class << self
def decorate(commits, project)
commits.map do |commit|
if commit.kind_of?(Commit)
commit
else
self.new(commit, project)
end
end
end
# Calculate number of lines to render for diffs
def diff_line_count(diffs)
diffs.reduce(0) { |sum, d| sum + d.diff.lines.count }
end
# Truncate sha to 8 characters
def truncate_sha(sha)
sha[0..7]
end
end
attr_accessor :raw
def initialize(raw_commit, project)
raise "Nil as raw commit passed" unless raw_commit
@raw = raw_commit
@project = project
end
def id
@raw.id
end
def ==(other)
(self.class === other) && (raw == other.raw)
end
def self.reference_prefix
'@'
end
# Pattern used to extract commit references from text
#
# The SHA can be between 6 and 40 hex characters.
#
# This pattern supports cross-project references.
def self.reference_pattern
%r{
(?:#{Project.reference_pattern}#{reference_prefix})?
(?<commit>\h{6,40})
}x
end
def to_reference(from_project = nil)
if cross_project_reference?(from_project)
"#{project.to_reference}@#{id}"
else
id
end
end
def diff_line_count
@diff_line_count ||= Commit::diff_line_count(self.diffs)
@diff_line_count
end
# Returns a string describing the commit for use in a link title
#
# Example
#
# "Commit: Alex Denisov - Project git clone panel"
def link_title
"Commit: #{author_name} - #{title}"
end
# Returns the commits title.
#
# Usually, the commit title is the first line of the commit message.
# In case this first line is longer than 100 characters, it is cut off
# after 80 characters and ellipses (`&hellp;`) are appended.
def title
title = safe_message
return no_commit_message if title.blank?
title_end = title.index("\n")
if (!title_end && title.length > 100) || (title_end && title_end > 100)
title[0..79] << "…"
else
title.split("\n", 2).first
end
end
# Returns the commits description
#
# cut off, ellipses (`&hellp;`) are prepended to the commit message.
def description
title_end = safe_message.index("\n")
@description ||=
if (!title_end && safe_message.length > 100) || (title_end && title_end > 100)
"…" << safe_message[80..-1]
else
safe_message.split("\n", 2)[1].try(:chomp)
end
end
def description?
description.present?
end
def hook_attrs
path_with_namespace = project.path_with_namespace
{
id: id,
message: safe_message,
timestamp: committed_date.xmlschema,
url: "#{Gitlab.config.gitlab.url}/#{path_with_namespace}/commit/#{id}",
author: {
name: author_name,
email: author_email
}
}
end
# Discover issues should be closed when this commit is pushed to a project's
# default branch.
def closes_issues(current_user = self.committer)
Gitlab::ClosingIssueExtractor.new(project, current_user).closed_by_message(safe_message)
end
def author
@author ||= User.find_by_any_email(author_email)
end
def committer
@committer ||= User.find_by_any_email(committer_email)
end
def notes
project.notes.for_commit_id(self.id)
end
def method_missing(m, *args, &block)
@raw.send(m, *args, &block)
end
def respond_to_missing?(method, include_private = false)
@raw.respond_to?(method, include_private) || super
end
# Truncate sha to 8 characters
def short_id
@raw.short_id(7)
end
def parents
@parents ||= Commit.decorate(super, project)
end
end
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