gitlab-org--gitlab-foss/app/models/commit.rb
2013-03-21 22:50:18 +02:00

181 lines
4.1 KiB
Ruby

class Commit
include ActiveModel::Conversion
include StaticModel
extend ActiveModel::Naming
# Safe amount of files with diffs in one commit to render
# Used to prevent 500 error on huge commits by suppressing diff
#
DIFF_SAFE_SIZE = 100
attr_accessor :commit, :head, :refs
delegate :message, :authored_date, :committed_date, :parents, :sha,
:date, :committer, :author, :diffs, :tree, :id, :stats,
:to_patch, to: :commit
class << self
def find_or_first(repo, commit_id = nil, root_ref)
commit = if commit_id
repo.commit(commit_id)
else
repo.commits(root_ref).first
end
Commit.new(commit) if commit
end
def fresh_commits(repo, n = 10)
commits = repo.heads.map do |h|
repo.commits(h.name, n).map { |c| Commit.new(c, h) }
end.flatten.uniq { |c| c.id }
commits.sort! do |x, y|
y.committed_date <=> x.committed_date
end
commits[0...n]
end
def commits_with_refs(repo, n = 20)
commits = repo.branches.map { |ref| Commit.new(ref.commit, ref) }
commits.sort! do |x, y|
y.committed_date <=> x.committed_date
end
commits[0..n]
end
def commits_since(repo, date)
commits = repo.heads.map do |h|
repo.log(h.name, nil, since: date).each { |c| Commit.new(c, h) }
end.flatten.uniq { |c| c.id }
commits.sort! do |x, y|
y.committed_date <=> x.committed_date
end
commits
end
def commits(repo, ref, path = nil, limit = nil, offset = nil)
if path
repo.log(ref, path, max_count: limit, skip: offset)
elsif limit && offset
repo.commits(ref, limit, offset)
else
repo.commits(ref)
end.map{ |c| Commit.new(c) }
end
def commits_between(repo, from, to)
repo.commits_between(from, to).map { |c| Commit.new(c) }
end
def compare(project, from, to)
result = {
commits: [],
diffs: [],
commit: nil,
same: false
}
return result unless from && to
first = project.repository.commit(to.try(:strip))
last = project.repository.commit(from.try(:strip))
if first && last
result[:same] = (first.id == last.id)
result[:commits] = project.repo.commits_between(last.id, first.id).map {|c| Commit.new(c)}
# Dont load diff for 100+ commits
result[:diffs] = if result[:commits].size > 100
[]
else
project.repo.diff(last.id, first.id) rescue []
end
result[:commit] = Commit.new(first)
end
result
end
end
def initialize(raw_commit, head = nil)
raise "Nil as raw commit passed" unless raw_commit
@commit = raw_commit
@head = head
end
def short_id(length = 10)
id.to_s[0..length]
end
def safe_message
@safe_message ||= message
end
def created_at
committed_date
end
def author_email
author.email
end
def author_name
author.name
end
# Was this commit committed by a different person than the original author?
def different_committer?
author_name != committer_name || author_email != committer_email
end
def committer_name
committer.name
end
def committer_email
committer.email
end
def prev_commit
@prev_commit ||= if parents.present?
Commit.new(parents.first)
else
nil
end
end
def prev_commit_id
prev_commit.try :id
end
# Shows the diff between the commit's parent and the commit.
#
# Cuts out the header and stats from #to_patch and returns only the diff.
def to_diff
# see Grit::Commit#show
patch = to_patch
# discard lines before the diff
lines = patch.split("\n")
while !lines.first.start_with?("diff --git") do
lines.shift
end
lines.pop if lines.last =~ /^[\d.]+$/ # Git version
lines.pop if lines.last == "-- " # end of diff
lines.join("\n")
end
def has_zero_stats?
stats.total.zero?
rescue
true
end
end