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class Commit
include ActiveModel::Conversion
include StaticModel
extend ActiveModel::Naming
include Mentionable
attr_mentionable :safe_message
# 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
DIFF_SAFE_LINES = 5000
# Commits above this size will not be rendered in HTML
DIFF_HARD_LIMIT_FILES = 500
DIFF_HARD_LIMIT_LINES = 10000
def self.decorate(commits)
commits.map { |c| self.new(c) }
end
# Calculate number of lines to render for diffs
def self.diff_line_count(diffs)
diffs.reduce(0){|sum, d| sum + d.diff.lines.count}
end
def self.diff_suppress?(diffs, line_count = nil)
# optimize - check file count first
return true if diffs.size > DIFF_SAFE_FILES
line_count ||= Commit::diff_line_count(diffs)
line_count > DIFF_SAFE_LINES
end
def self.diff_force_suppress?(diffs, line_count = nil)
# optimize - check file count first
return true if diffs.size > DIFF_HARD_LIMIT_FILES
line_count ||= Commit::diff_line_count(diffs)
line_count > DIFF_HARD_LIMIT_LINES
end
attr_accessor :raw
def initialize(raw_commit)
raise "Nil as raw commit passed" unless raw_commit
@raw = raw_commit
end
def id
@raw.id
end
def diff_line_count
@diff_line_count ||= Commit::diff_line_count(self.diffs)
@diff_line_count
end
def diff_suppress?
Commit::diff_suppress?(self.diffs, diff_line_count)
end
def diff_force_suppress?
Commit::diff_force_suppress?(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] << "…".html_safe
else
title.split(/\n/, 2).first
end
end
# Returns the commits description
#
# cut off, ellipses (`&hellp;`) are prepended to the commit message.
def description
description = safe_message
title_end = description.index(/\n/)
if (!title_end && description.length > 100) || (title_end && title_end > 100)
"…".html_safe << description[80..-1]
else
description.split(/\n/, 2)[1].try(:chomp)
end
end
# Regular expression that identifies commit message clauses that trigger issue closing.
def issue_closing_regex
@issue_closing_regex ||= Regexp.new(Gitlab.config.gitlab.issue_closing_pattern)
end
# Discover issues should be closed when this commit is pushed to a project's
# default branch.
def closes_issues project
md = issue_closing_regex.match(safe_message)
if md
extractor = Gitlab::ReferenceExtractor.new
extractor.analyze(md[0])
extractor.issues_for(project)
else
[]
end
end
# Mentionable override.
def gfm_reference
"commit #{sha[0..5]}"
end
def method_missing(m, *args, &block)
@raw.send(m, *args, &block)
end
def respond_to?(method)
return true if @raw.respond_to?(method)
super
end
end
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