Class: Gitlab::Git::Repository

Inherits:
Object
  • Object
show all
Includes:
Popen
Defined in:
lib/gitlab_git/repository.rb

Defined Under Namespace

Classes: InvalidBlobName, NoRepository

Constant Summary collapse

SEARCH_CONTEXT_LINES = 
3

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Popen

#popen

Constructor Details

#initialize(path) ⇒ Repository

‘path’ must be the path to a bare git repository, e.g. /path/to/my-repo.git



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# File 'lib/gitlab_git/repository.rb', line 30

def initialize(path)
  @path = path
  @name = path.split("/").last
  @root_ref = discover_default_branch
end

Instance Attribute Details

#name ⇒ Object (readonly)

Directory name of repo



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# File 'lib/gitlab_git/repository.rb', line 23

def name
  @name
end

#path ⇒ Object (readonly)

Full path to repo



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# File 'lib/gitlab_git/repository.rb', line 20

def path
  @path
end

#root_ref ⇒ Object

Default branch in the repository



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# File 'lib/gitlab_git/repository.rb', line 17

def root_ref
  @root_ref
end

#rugged ⇒ Object (readonly)

Rugged repo object



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# File 'lib/gitlab_git/repository.rb', line 26

def rugged
  @rugged
end

Instance Method Details

#archive_repo(ref, storage_path, format = "tar.gz") ⇒ Object

Archive Project to .tar.gz

Already packed repo archives stored at app_root/tmp/repositories/project_name/project_name-commit-id.tag.gz



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# File 'lib/gitlab_git/repository.rb', line 136

def archive_repo(ref, storage_path, format = "tar.gz")
  ref ||= root_ref
  commit = Gitlab::Git::Commit.find(self, ref)
  return nil unless commit

  extension = nil
  git_archive_format = nil
  pipe_cmd = nil

  case format
  when "tar.bz2", "tbz", "tbz2", "tb2", "bz2"
    extension = ".tar.bz2"
    pipe_cmd = %W(bzip2)
  when "tar"
    extension = ".tar"
    pipe_cmd = %W(cat)
  when "zip"
    extension = ".zip"
    git_archive_format = "zip"
    pipe_cmd = %W(cat)
  else
    # everything else should fall back to tar.gz
    extension = ".tar.gz"
    git_archive_format = nil
    pipe_cmd = %W(gzip -n)
  end

  # Build file path
  file_name = self.name.gsub("\.git", "") + "-" + commit.id.to_s + extension
  file_path = File.join(storage_path, self.name, file_name)

  # Put files into a directory before archiving
  prefix = File.basename(self.name) + "/"

  # Create file if not exists
  unless File.exists?(file_path)
    FileUtils.mkdir_p File.dirname(file_path)

    # Create the archive in temp file, to avoid leaving a corrupt archive
    # to be downloaded by the next user if we get interrupted while
    # creating the archive. Note that we do not care about cleaning up
    # the temp file in that scenario, because GitLab cleans up the
    # directory holding the archive files periodically.
    temp_file_path = file_path + ".#{Process.pid}-#{Time.now.to_i}"
    archive_to_file(ref, prefix, temp_file_path, git_archive_format, pipe_cmd)

    # move temp file to persisted location
    FileUtils.move(temp_file_path, file_path)
  end

  file_path
end

#branch_names ⇒ Object

Returns an Array of branch names sorted by name ASC



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# File 'lib/gitlab_git/repository.rb', line 49

def branch_names
  branches.map(&:name)
end

#branch_names_contains(commit) ⇒ Object

Returns branch names collection that contains the special commit(SHA1 or name)

Ex.

repo.branch_names_contains('master')



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# File 'lib/gitlab_git/repository.rb', line 368

def branch_names_contains(commit)
  branches_contains(commit).map { |c| c.name }
end

#branches ⇒ Object

Returns an Array of Branches



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# File 'lib/gitlab_git/repository.rb', line 54

def branches
  rugged.branches.map do |rugged_ref|
    Branch.new(rugged_ref.name, rugged_ref.target)
  end.sort_by(&:name)
end

#branches_contains(commit) ⇒ Object

Returns branch collection that contains the special commit(SHA1 or name)

Ex.

repo.branch_names_contains('master')



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# File 'lib/gitlab_git/repository.rb', line 377

def branches_contains(commit)
  commit_obj = rugged.rev_parse(commit)
  parent = commit_obj.parents.first unless commit_obj.parents.empty?

  walker = Rugged::Walker.new(rugged)

  rugged.branches.select do |branch|
    walker.push(branch.target_id)
    walker.hide(parent) if parent
    result = walker.any? { |c| c.oid == commit_obj.oid }
    walker.reset

    result
  end
end

#checkout(ref, options = {}, start_point = "HEAD") ⇒ Object

Check out the specified ref. Valid options are:

:b - Create a new branch at +start_point+ and set HEAD to the new
     branch.

* These options are passed to the Rugged::Repository#checkout method:

:progress ::
  A callback that will be executed for checkout progress notifications.
  Up to 3 parameters are passed on each execution:

  - The path to the last updated file (or +nil+ on the very first
    invocation).
  - The number of completed checkout steps.
  - The number of total checkout steps to be performed.

:notify ::
  A callback that will be executed for each checkout notification
  types specified with +:notify_flags+. Up to 5 parameters are passed
  on each execution:

  - An array containing the +:notify_flags+ that caused the callback
    execution.
  - The path of the current file.
  - A hash describing the baseline blob (or +nil+ if it does not
    exist).
  - A hash describing the target blob (or +nil+ if it does not exist).
  - A hash describing the workdir blob (or +nil+ if it does not
    exist).

:strategy ::
  A single symbol or an array of symbols representing the strategies
  to use when performing the checkout. Possible values are:

  :none ::
    Perform a dry run (default).

  :safe ::
    Allow safe updates that cannot overwrite uncommitted data.

  :safe_create ::
    Allow safe updates plus creation of missing files.

  :force ::
    Allow all updates to force working directory to look like index.

  :allow_conflicts ::
    Allow checkout to make safe updates even if conflicts are found.

  :remove_untracked ::
    Remove untracked files not in index (that are not ignored).

  :remove_ignored ::
    Remove ignored files not in index.

  :update_only ::
    Only update existing files, don't create new ones.

  :dont_update_index ::
    Normally checkout updates index entries as it goes; this stops
    that.

  :no_refresh ::
    Don't refresh index/config/etc before doing checkout.

  :disable_pathspec_match ::
    Treat pathspec as simple list of exact match file paths.

  :skip_locked_directories ::
    Ignore directories in use, they will be left empty.

  :skip_unmerged ::
    Allow checkout to skip unmerged files (NOT IMPLEMENTED).

  :use_ours ::
    For unmerged files, checkout stage 2 from index (NOT IMPLEMENTED).

  :use_theirs ::
    For unmerged files, checkout stage 3 from index (NOT IMPLEMENTED).

  :update_submodules ::
    Recursively checkout submodules with same options (NOT
    IMPLEMENTED).

  :update_submodules_if_changed ::
    Recursively checkout submodules if HEAD moved in super repo (NOT
    IMPLEMENTED).

:disable_filters ::
  If +true+, filters like CRLF line conversion will be disabled.

:dir_mode ::
  Mode for newly created directories. Default: +0755+.

:file_mode ::
  Mode for newly created files. Default: +0755+ or +0644+.

:file_open_flags ::
  Mode for opening files. Default:
  <code>IO::CREAT | IO::TRUNC | IO::WRONLY</code>.

:notify_flags ::
  A single symbol or an array of symbols representing the cases in
  which the +:notify+ callback should be invoked. Possible values are:

  :none ::
    Do not invoke the +:notify+ callback (default).

  :conflict ::
    Invoke the callback for conflicting paths.

  :dirty ::
    Invoke the callback for "dirty" files, i.e. those that do not need
    an update but no longer match the baseline.

  :updated ::
    Invoke the callback for any file that was changed.

  :untracked ::
    Invoke the callback for untracked files.

  :ignored ::
    Invoke the callback for ignored files.

  :all ::
    Invoke the callback for all these cases.

:paths ::
  A glob string or an array of glob strings specifying which paths
  should be taken into account for the checkout operation. +nil+ will
  match all files.  Default: +nil+.

:baseline ::
  A Rugged::Tree that represents the current, expected contents of the
  workdir.  Default: +HEAD+.

:target_directory ::
  A path to an alternative workdir directory in which the checkout
  should be performed.



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# File 'lib/gitlab_git/repository.rb', line 627

def checkout(ref, options = {}, start_point = "HEAD")
  if options[:b]
    rugged.branches.create(ref, start_point)
    options.delete(:b)
  end
  default_options = { strategy: :safe_create }
  rugged.checkout(ref, default_options.merge(options))
end

#clean(options = {}) ⇒ Object

Mimic the ‘git clean` command and recursively delete untracked files. Valid keys that can be passed in the options hash are:

:d - Remove untracked directories :f - Remove untracked directories that are managed by a different

repository

:x - Remove ignored files

The value in options must evaluate to true for an option to take effect.

Examples:

repo.clean(d: true, f: true) # Enable the -d and -f options

repo.clean(d: false, x: true) # -x is enabled, -d is not



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# File 'lib/gitlab_git/repository.rb', line 480

def clean(options = {})
  strategies = [:remove_untracked]
  strategies.push(:force) if options[:f]
  strategies.push(:remove_ignored) if options[:x]

  # TODO: implement this method
end

#commit_count(ref) ⇒ Object

Return total commits count accessible from passed ref



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# File 'lib/gitlab_git/repository.rb', line 441

def commit_count(ref)
  walker = Rugged::Walker.new(rugged)
  walker.sorting(Rugged::SORT_TOPO | Rugged::SORT_REVERSE)
  walker.push(ref)
  walker.count
end

#commits_between(from, to) ⇒ Object

Return a collection of Rugged::Commits between the two SHA arguments.



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# File 'lib/gitlab_git/repository.rb', line 261

def commits_between(from, to)
  walker = Rugged::Walker.new(rugged)
  walker.push(to)
  walker.hide(from)
  commits = walker.to_a
  walker.reset

  commits.reverse
end

#commits_since(from_date) ⇒ Object 



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# File 'lib/gitlab_git/repository.rb', line 712

def commits_since(from_date)
  walker = Rugged::Walker.new(rugged)
  walker.sorting(Rugged::SORT_DATE | Rugged::SORT_REVERSE)

  rugged.references.each("refs/heads/*") do |ref|
    walker.push(ref.target_id)
  end

  commits = []
  walker.each do |commit|
    break if commit.author[:time].to_date < from_date
    commits.push(commit)
  end

  commits
end

#delete_branch(branch_name) ⇒ Object

Delete the specified branch from the repository



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# File 'lib/gitlab_git/repository.rb', line 637

def delete_branch(branch_name)
  rugged.branches.delete(branch_name)
end

#diff(from, to, options = {}, *paths) ⇒ Object

Return an array of Diff objects that represent the diff between from and to. See Diff::filter_diff_options for the allowed diff options. The options hash can also include :break_rewrites to split larger rewrites into delete/add pairs.



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# File 'lib/gitlab_git/repository.rb', line 280

def diff(from, to, options = {}, *paths)
  diff_patches(from, to, options, *paths).map do |p|
    Gitlab::Git::Diff.new(p)
  end
end

#diff_text(from, to, options = {}, *paths) ⇒ Object

Return the diff between from and to in a single patch string. The options hash has the same allowed keys as #diff.



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# File 'lib/gitlab_git/repository.rb', line 288

def diff_text(from, to, options = {}, *paths)
  # NOTE: It would be simpler to use the Rugged::Diff#patch method, but
  # that formats the diff text differently than Rugged::Patch#to_s for
  # changes to binary files.
  diff_patches(from, to, options, *paths).map do |p|
    p.to_s
  end.join("\n")
end

#discover_default_branch ⇒ Object

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 current HEAD or master or first branch



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# File 'lib/gitlab_git/repository.rb', line 111

def discover_default_branch
  if branch_names.length == 0
    nil
  elsif branch_names.length == 1
    branch_names.first
  elsif rugged_head && branch_names.include?(Ref.extract_branch_name(rugged_head.name))
    Ref.extract_branch_name(rugged_head.name)
  elsif branch_names.include?("master")
    "master"
  else
    branch_names.first
  end
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gitlab_git/repository.rb', line 98

def empty?
  rugged.empty?
end

#fetch(remote_name) ⇒ Object

Fetch the specified remote



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# File 'lib/gitlab_git/repository.rb', line 668

def fetch(remote_name)
  rugged.remotes[remote_name].fetch
end

#find_commits(options = {}) ⇒ Object

Returns commits collection

Ex.

repo.find_commits(
  ref: 'master',
  max_count: 10,
  skip: 5,
  order: :date
)

+options+ is a Hash of optional arguments to git
  :ref is the ref from which to begin (SHA1 or name)
  :contains is the commit contained by the refs from which to begin (SHA1 or name)
  :max_count is the maximum number of commits to fetch
  :skip is the number of commits to skip
  :order is the commits order and allowed value is :date(default) or :topo



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# File 'lib/gitlab_git/repository.rb', line 314

def find_commits(options = {})
  actual_options = options.dup

  allowed_options = [:ref, :max_count, :skip, :contains, :order]

  actual_options.keep_if do |key|
    allowed_options.include?(key)
  end

  default_options = { skip: 0 }
  actual_options = default_options.merge(actual_options)

  walker = Rugged::Walker.new(rugged)

  if actual_options[:ref]
    walker.push(rugged.rev_parse_oid(actual_options[:ref]))
  elsif actual_options[:contains]
    branches_contains(actual_options[:contains]).each do |branch|
      walker.push(branch.target_id)
    end
  else
    rugged.references.each("refs/heads/*") do |ref|
      walker.push(ref.target_id)
    end
  end

  if actual_options[:order] == :topo
    walker.sorting(Rugged::SORT_TOPO)
  else
    walker.sorting(Rugged::SORT_DATE)
  end


  commits = []
  offset = actual_options[:skip]
  limit = actual_options[:max_count]
  walker.each(offset: offset, limit: limit) do |commit|
    gitlab_commit = Gitlab::Git::Commit.decorate(commit)
    commits.push(gitlab_commit)
  end

  walker.reset

  commits
rescue Rugged::OdbError
  []
end

#format_patch(from, to, options = {}) ⇒ Object

Return a String containing the mbox-formatted diff between from and to. See #diff for the allowed keys in the options hash.



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# File 'lib/gitlab_git/repository.rb', line 679

def format_patch(from, to, options = {})
  options ||= {}
  break_rewrites = options[:break_rewrites]
  actual_options = Diff.filter_diff_options(options)

  from_sha = rugged.rev_parse_oid(from)
  to_sha = rugged.rev_parse_oid(to)
  commits_between(from_sha, to_sha).map do |commit|
    commit.to_mbox(actual_options)
  end.join("\n")
end

#has_commits? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gitlab_git/repository.rb', line 94

def has_commits?
  !empty?
end

#heads ⇒ Object

Deprecated. Will be removed in 5.2



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# File 'lib/gitlab_git/repository.rb', line 88

def heads
  rugged.references.each("refs/heads/*").map do |head|
    Gitlab::Git::Ref.new(head.name, head.target)
  end.sort_by(&:name)
end

#log(options) ⇒ Object

Use the Rugged Walker API to build an array of commits.

Usage.

repo.log(
  ref: 'master',
  path: 'app/models',
  limit: 10,
  offset: 5,
)



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# File 'lib/gitlab_git/repository.rb', line 226

def log(options)
  default_options = {
    limit: 10,
    offset: 0,
    path: nil,
    ref: root_ref,
    follow: false,
    skip_merges: false
  }

  options = default_options.merge(options)
  options[:limit] ||= 0
  options[:offset] ||= 0
  actual_ref = options[:ref] || root_ref
  sha = sha_from_ref(actual_ref)
  build_log(sha, options)
rescue Rugged::OdbError, Rugged::InvalidError, Rugged::ReferenceError
  # Return an empty array if the ref wasn't found
  []
end

#lookup(oid_or_ref_name) ⇒ Object

Lookup for rugged object by oid or ref name



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# File 'lib/gitlab_git/repository.rb', line 410

def lookup(oid_or_ref_name)
  rugged.rev_parse(oid_or_ref_name)
end

#merge(source_name, target_name, options = {}) ⇒ Object

Merge the source_name branch into the target_name branch. This is equivalent to ‘git merge –no_ff source_name`, since a merge commit is always created.



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# File 'lib/gitlab_git/repository.rb', line 694

def merge(source_name, target_name, options = {})
  our_commit = rugged.branches[target_name].target
  their_commit = rugged.branches[source_name].target

  raise "Invalid merge target" if our_commit.nil?
  raise "Invalid merge source" if their_commit.nil?

  merge_index = rugged.merge_commits(our_commit, their_commit)
  return false if merge_index.conflicts?

  actual_options = options.merge(
    parents: [our_commit, their_commit],
    tree: merge_index.write_tree(rugged),
    update_ref: "refs/heads/#{target_name}"
  )
  Rugged::Commit.create(rugged, actual_options)
end

#merge_base_commit(from, to) ⇒ Object

Returns the SHA of the most recent common ancestor of from and to



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# File 'lib/gitlab_git/repository.rb', line 272

def merge_base_commit(from, to)
  rugged.merge_base(from, to)
end

#push(remote_name, *refspecs) ⇒ Object

Push *refspecs to the remote identified by remote_name.



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# File 'lib/gitlab_git/repository.rb', line 673

def push(remote_name, *refspecs)
  rugged.remotes[remote_name].push(refspecs)
end

#raw ⇒ Object

Alias to old method for compatibility



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# File 'lib/gitlab_git/repository.rb', line 37

def raw
  rugged
end

#ref_names ⇒ Object

Returns an Array of branch and tag names



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# File 'lib/gitlab_git/repository.rb', line 83

def ref_names
  branch_names + tag_names
end

#refs_hash ⇒ Object

Get refs hash which key is SHA1 and value is a Rugged::Reference



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# File 'lib/gitlab_git/repository.rb', line 395

def refs_hash
  # Initialize only when first call
  if @refs_hash.nil?
    @refs_hash = Hash.new { |h, k| h[k] = [] }

    rugged.references.each do |r|
      sha = rev_parse_target(r.target.oid).oid

      @refs_hash[sha] << r
    end
  end
  @refs_hash
end

#remote_add(remote_name, url) ⇒ Object

Add a new remote to this repository. Returns a Rugged::Remote object



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# File 'lib/gitlab_git/repository.rb', line 652

def remote_add(remote_name, url)
  rugged.remotes.create(remote_name, url)
end

#remote_delete(remote_name) ⇒ Object

Delete the specified remote from this repository.



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# File 'lib/gitlab_git/repository.rb', line 647

def remote_delete(remote_name)
  rugged.remotes.delete(remote_name)
end

#remote_names ⇒ Object

Return an array of this repository’s remote names



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# File 'lib/gitlab_git/repository.rb', line 642

def remote_names
  rugged.remotes.each_name.to_a
end

#remote_update(remote_name, options = {}) ⇒ Object

Update the specified remote using the values in the options hash

Example repo.update_remote(“origin”, url: “path/to/repo”)



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# File 'lib/gitlab_git/repository.rb', line 660

def remote_update(remote_name, options = {})
  # TODO: Implement other remote options
  remote = rugged.remotes[remote_name]
  remote.url = options[:url] if options[:url]
  remote.save
end

#repo_exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gitlab_git/repository.rb', line 102

def repo_exists?
  !!rugged
end

#reset(ref, reset_type) ⇒ Object

Sets HEAD to the commit specified by ref; ref can be a branch or tag name or a commit SHA. Valid reset_type values are:

[:soft]
  the head will be moved to the commit.
[:mixed]
  will trigger a +:soft+ reset, plus the index will be replaced
  with the content of the commit tree.
[:hard]
  will trigger a +:mixed+ reset and the working directory will be
  replaced with the content of the index. (Untracked and ignored files
  will be left alone)



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# File 'lib/gitlab_git/repository.rb', line 460

def reset(ref, reset_type)
  rugged.reset(ref, reset_type)
end

#rev_parse_target(revspec) ⇒ Object

Return the object that revspec points to. If revspec is an annotated tag, then return the tag’s target instead.



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# File 'lib/gitlab_git/repository.rb', line 253

def rev_parse_target(revspec)
  obj = rugged.rev_parse(revspec)
  obj = obj.target while obj.is_a?(Rugged::Tag::Annotation)
  obj
end

#rugged_head ⇒ Object 



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# File 'lib/gitlab_git/repository.rb', line 125

def rugged_head
  rugged.head
rescue Rugged::ReferenceError
  nil
end

#search_files(query, ref = nil) ⇒ Object

Returns an array of BlobSnippets for files at the specified ref that contain the query string.



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# File 'lib/gitlab_git/repository.rb', line 197

def search_files(query, ref = nil)
  greps = []
  ref ||= root_ref

  populated_index(ref).each do |entry|
    # Discard submodules
    next if submodule?(entry)

    content = Blob.raw(self, entry[:oid]).data

    # Skip binary files
    next if content.encoding == Encoding::ASCII_8BIT

    greps += build_greps(content, query, ref, entry[:path])
  end

  greps
end

#sha_from_ref(ref) ⇒ Object 



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# File 'lib/gitlab_git/repository.rb', line 247

def sha_from_ref(ref)
  rev_parse_target(ref).oid
end

#size ⇒ Object

Return repo size in megabytes



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# File 'lib/gitlab_git/repository.rb', line 190

def size
  size = popen(%W(du -s), path).first.strip.to_i
  (size.to_f / 1024).round(2)
end

#submodules(ref) ⇒ Object

Return hash with submodules info for this repository

Ex.

{
  "rack"  => {
    "id" => "c67be4624545b4263184c4a0e8f887efd0a66320",
    "path" => "rack",
    "url" => "git://github.com/chneukirchen/rack.git"
  },
  "encoding" => {
    "id" => ....
  }
}



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# File 'lib/gitlab_git/repository.rb', line 428

def submodules(ref)
  commit = rugged.rev_parse(ref)

  begin
    content = blob_content(commit, ".gitmodules")
  rescue InvalidBlobName
    return {}
  end

  parse_gitmodules(commit, content)
end

#tag_names ⇒ Object

Returns an Array of tag names



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# File 'lib/gitlab_git/repository.rb', line 61

def tag_names
  rugged.tags.map { |t| t.name }
end

#tags ⇒ Object

Returns an Array of Tags



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# File 'lib/gitlab_git/repository.rb', line 66

def tags
  rugged.references.each("refs/tags/*").map do |ref|
    message = nil

    if ref.target.is_a?(Rugged::Tag::Annotation)
      tag_message = ref.target.message

      if tag_message.respond_to?(:chomp)
        message = tag_message.chomp
      end
    end

    Tag.new(ref.name, ref.target, message)
  end.sort_by(&:name)
end