Commit 676bce2a authored by Dmitriy Zaporozhets's avatar Dmitriy Zaporozhets

Move Commit and Repository logic to lib/gitlab/git

parent 71b0f8ea
# Gitlab::Git::Gitlab::Git::Commit is a wrapper around native Grit::Commit object
# We dont want to use grit objects inside app/
# It helps us easily migrate to rugged in future
module Gitlab
module Git
class Gitlab::Git::Commit
attr_accessor :raw_commit, :head, :refs
delegate :message, :authored_date, :committed_date, :parents, :sha,
:date, :committer, :author, :diffs, :tree, :id, :stats,
:to_patch, to: :raw_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
Gitlab::Git::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| Gitlab::Git::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| Gitlab::Git::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| Gitlab::Git::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| Gitlab::Git::Commit.new(c) }
end
def commits_between(repo, from, to)
repo.commits_between(from, to).map { |c| Gitlab::Git::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| Gitlab::Git::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] = Gitlab::Git::Commit.new(first)
end
result
end
end
def initialize(raw_commit, head = nil)
raise "Nil as raw commit passed" unless raw_commit
@raw_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?
Gitlab::Git::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::Gitlab::Git::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
end
end
# Gitlab::Git::Gitlab::Git::Commit is a wrapper around native Grit::Repository object
# We dont want to use grit objects inside app/
# It helps us easily migrate to rugged in future
module Gitlab
module Git
class Repository
include Gitlab::Popen
class NoRepository < StandardError; end
# Repository directory name with namespace direcotry
# Examples:
# gitlab/gitolite
# diaspora
#
attr_accessor :path_with_namespace
# Grit repo object
attr_accessor :repo
# Default branch in the repository
attr_accessor :root_ref
def initialize(path_with_namespace, root_ref = 'master')
@root_ref = root_ref || "master"
@path_with_namespace = path_with_namespace
# Init grit repo object
repo
end
def raw
repo
end
def path_to_repo
@path_to_repo ||= File.join(Gitlab.config.gitlab_shell.repos_path, "#{path_with_namespace}.git")
end
def repo
@repo ||= Grit::Repo.new(path_to_repo)
rescue Grit::NoSuchPathError
raise NoRepository.new('no repository for such path')
end
def commit(commit_id = nil)
Gitlab::Git::Commit.find_or_first(repo, commit_id, root_ref)
end
def fresh_commits(n = 10)
Gitlab::Git::Commit.fresh_commits(repo, n)
end
def commits_with_refs(n = 20)
Gitlab::Git::Commit.commits_with_refs(repo, n)
end
def commits_since(date)
Gitlab::Git::Commit.commits_since(repo, date)
end
def commits(ref, path = nil, limit = nil, offset = nil)
Gitlab::Git::Commit.commits(repo, ref, path, limit, offset)
end
def last_commit_for(ref, path = nil)
commits(ref, path, 1).first
end
def commits_between(from, to)
Gitlab::Git::Commit.commits_between(repo, from, to)
end
# Returns an Array of branch names
# sorted by name ASC
def branch_names
branches.map(&:name)
end
# Returns an Array of Branches
def branches
repo.branches.sort_by(&:name)
end
# Returns an Array of tag names
def tag_names
repo.tags.collect(&:name).sort.reverse
end
# Returns an Array of Tags
def tags
repo.tags.sort_by(&:name).reverse
end
# Returns an Array of branch and tag names
def ref_names
[branch_names + tag_names].flatten
end
def heads
@heads ||= repo.heads
end
def tree(fcommit, path = nil)
fcommit = commit if fcommit == :head
tree = fcommit.tree
path ? (tree / path) : tree
end
def has_commits?
!!commit
rescue Grit::NoSuchPathError
false
end
def empty?
!has_commits?
end
# Discovers the default branch based on the repository's available branches
#
# - If no branches are present, returns nil
# - If one branch is present, returns its name
# - If two or more branches are present, returns the one that has a name
# matching root_ref (default_branch or 'master' if default_branch is nil)
def discover_default_branch
if branch_names.length == 0
nil
elsif branch_names.length == 1
branch_names.first
else
branch_names.select { |v| v == root_ref }.first
end
end
# Archive Project to .tar.gz
#
# Already packed repo archives stored at
# app_root/tmp/repositories/project_name/project_name-commit-id.tag.gz
#
def archive_repo(ref)
ref = ref || self.root_ref
commit = self.commit(ref)
return nil unless commit
# Build file path
file_name = self.path_with_namespace.gsub("/","_") + "-" + commit.id.to_s + ".tar.gz"
storage_path = Rails.root.join("tmp", "repositories")
file_path = File.join(storage_path, self.path_with_namespace, file_name)
# Put files into a directory before archiving
prefix = File.basename(self.path_with_namespace) + "/"
# Create file if not exists
unless File.exists?(file_path)
FileUtils.mkdir_p File.dirname(file_path)
file = self.repo.archive_to_file(ref, prefix, file_path)
end
file_path
end
# Return repo size in megabytes
# Cached in redis
def size
Rails.cache.fetch(cache_key(:size)) do
size = popen('du -s', path_to_repo).first.strip.to_i
(size.to_f / 1024).round(2)
end
end
def expire_cache
Rails.cache.delete(cache_key(:size))
end
def cache_key(type)
"#{type}:#{path_with_namespace}"
end
end
end
end
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