Class: GitFileReader

Inherits:
Object
  • Object
show all
Defined in:
lib/git_file_reader.rb

Overview

TODO: Not used yet. Either implement git-related functionality or delete this file and its tests

Instance Method Summary collapse

Constructor Details

#initialize(repo_dir = '.') ⇒ GitFileReader

Returns a new instance of GitFileReader.



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# File 'lib/git_file_reader.rb', line 5

def initialize(repo_dir = '.')
  @repo = Rugged::Repository.new repo_dir
end

Instance Method Details

#blob_at(ref, path) ⇒ Object 



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# File 'lib/git_file_reader.rb', line 9

def blob_at(ref, path)
  commit = @repo.rev_parse ref # Rugged::Commit
  @repo.blob_at(commit.oid, path) # Rugged::Blob
end

#commit_for_ref(ref) ⇒ Object 



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# File 'lib/git_file_reader.rb', line 14

def commit_for_ref(ref)
  reference = @repo.ref ref # Rugged::Reference
  abort "Error: #{ref} is an invalid ref" if reference.nil?

  reference_direct = reference.type == :symbolic ? reference.target : reference
  @commit = reference_direct.target # Rugged::Commit
  self
end

#contents(filename) ⇒ Object

Returns content of desired file.

Returns:

  • content of desired file



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# File 'lib/git_file_reader.rb', line 24

def contents(filename)
  abort('Error: @commit is undefined; invoke commit_for_ref before invoking contents') if @commit.nil?

  tree = @commit.tree # Rugged::Tree
  entry = tree.get_entry filename # hash
  abort("Error: #{filename} is not present in commit #{commit.oid}") if entry.nil?

  sha = entry[:oid] # String
  object = @repo.read sha # Rugged::ObdObject; this is a blob
  object.data # String
end