diff options
Diffstat (limited to 'lib/gitlab/git')
| -rw-r--r-- | lib/gitlab/git/attributes_at_ref_parser.rb | 14 | ||||
| -rw-r--r-- | lib/gitlab/git/attributes_parser.rb (renamed from lib/gitlab/git/attributes.rb) | 53 | ||||
| -rw-r--r-- | lib/gitlab/git/info_attributes.rb | 49 | ||||
| -rw-r--r-- | lib/gitlab/git/repository.rb | 14 |
4 files changed, 92 insertions, 38 deletions
diff --git a/lib/gitlab/git/attributes_at_ref_parser.rb b/lib/gitlab/git/attributes_at_ref_parser.rb new file mode 100644 index 00000000000..26b5bd520d5 --- /dev/null +++ b/lib/gitlab/git/attributes_at_ref_parser.rb @@ -0,0 +1,14 @@ +module Gitlab + module Git + # Parses root .gitattributes file at a given ref + class AttributesAtRefParser + delegate :attributes, to: :@parser + + def initialize(repository, ref) + blob = repository.blob_at(ref, '.gitattributes') + + @parser = AttributesParser.new(blob&.data) + end + end + end +end diff --git a/lib/gitlab/git/attributes.rb b/lib/gitlab/git/attributes_parser.rb index 2d20cd473a7..d8aeabb6cba 100644 --- a/lib/gitlab/git/attributes.rb +++ b/lib/gitlab/git/attributes_parser.rb @@ -1,42 +1,26 @@ -# Gitaly note: JV: not sure what to make of this class. Why does it use -# the full disk path of the repository to look up attributes This is -# problematic in Gitaly, because Gitaly hides the full disk path to the -# repository from gitlab-ce. - module Gitlab module Git # Class for parsing Git attribute files and extracting the attributes for # file patterns. - # - # Unlike Rugged this parser only needs a single IO call (a call to `open`), - # vastly reducing the time spent in extracting attributes. - # - # This class _only_ supports parsing the attributes file located at - # `$GIT_DIR/info/attributes` as GitLab doesn't use any other files - # (`.gitattributes` is copied to this particular path). - # - # Basic usage: - # - # attributes = Gitlab::Git::Attributes.new(some_repo.path) - # - # attributes.attributes('README.md') # => { "eol" => "lf } - class Attributes - # path - The path to the Git repository. - def initialize(path) - @path = File.expand_path(path) - @patterns = nil + class AttributesParser + def initialize(attributes_data) + @data = attributes_data || "" + + if @data.is_a?(File) + @patterns = parse_file + end end # Returns all the Git attributes for the given path. # - # path - A path to a file for which to get the attributes. + # file_path - A path to a file for which to get the attributes. # # Returns a Hash. - def attributes(path) - full_path = File.join(@path, path) + def attributes(file_path) + absolute_path = File.join('/', file_path) patterns.each do |pattern, attrs| - return attrs if File.fnmatch?(pattern, full_path) + return attrs if File.fnmatch?(pattern, absolute_path) end {} @@ -98,16 +82,10 @@ module Gitlab # Iterates over every line in the attributes file. def each_line - full_path = File.join(@path, 'info/attributes') + @data.each_line do |line| + break unless line.valid_encoding? - return unless File.exist?(full_path) - - File.open(full_path, 'r') do |handle| - handle.each_line do |line| - break unless line.valid_encoding? - - yield line.strip - end + yield line.strip end end @@ -125,7 +103,8 @@ module Gitlab parsed = attrs ? parse_attributes(attrs) : {} - pairs << [File.join(@path, pattern), parsed] + absolute_pattern = File.join('/', pattern) + pairs << [absolute_pattern, parsed] end # Newer entries take precedence over older entries. diff --git a/lib/gitlab/git/info_attributes.rb b/lib/gitlab/git/info_attributes.rb new file mode 100644 index 00000000000..e79a440950b --- /dev/null +++ b/lib/gitlab/git/info_attributes.rb @@ -0,0 +1,49 @@ +# Gitaly note: JV: not sure what to make of this class. Why does it use +# the full disk path of the repository to look up attributes This is +# problematic in Gitaly, because Gitaly hides the full disk path to the +# repository from gitlab-ce. + +module Gitlab + module Git + # Parses gitattributes at `$GIT_DIR/info/attributes` + # + # Unlike Rugged this parser only needs a single IO call (a call to `open`), + # vastly reducing the time spent in extracting attributes. + # + # This class _only_ supports parsing the attributes file located at + # `$GIT_DIR/info/attributes` as GitLab doesn't use any other files + # (`.gitattributes` is copied to this particular path). + # + # Basic usage: + # + # attributes = Gitlab::Git::InfoAttributes.new(some_repo.path) + # + # attributes.attributes('README.md') # => { "eol" => "lf } + class InfoAttributes + delegate :attributes, :patterns, to: :parser + + # path - The path to the Git repository. + def initialize(path) + @repo_path = File.expand_path(path) + end + + def parser + @parser ||= begin + if File.exist?(attributes_path) + File.open(attributes_path, 'r') do |file_handle| + AttributesParser.new(file_handle) + end + else + AttributesParser.new("") + end + end + end + + private + + def attributes_path + @attributes_path ||= File.join(@repo_path, 'info/attributes') + end + end + end +end diff --git a/lib/gitlab/git/repository.rb b/lib/gitlab/git/repository.rb index 283134e043e..736aaf0a642 100644 --- a/lib/gitlab/git/repository.rb +++ b/lib/gitlab/git/repository.rb @@ -102,7 +102,7 @@ module Gitlab ) @path = File.join(storage_path, @relative_path) @name = @relative_path.split("/").last - @attributes = Gitlab::Git::Attributes.new(path) + @attributes = Gitlab::Git::InfoAttributes.new(path) end def ==(other) @@ -1011,6 +1011,18 @@ module Gitlab attributes(path)[name] end + # Check .gitattributes for a given ref + # + # This only checks the root .gitattributes file, + # it does not traverse subfolders to find additional .gitattributes files + # + # This method is around 30 times slower than `attributes`, + # which uses `$GIT_DIR/info/attributes` + def attributes_at(ref, file_path) + parser = AttributesAtRefParser.new(self, ref) + parser.attributes(file_path) + end + def languages(ref = nil) Gitlab::GitalyClient.migrate(:commit_languages) do |is_enabled| if is_enabled |