Base clase for analyzing various SCM systems like git, HG, and SVN
# File lib/churn/scm/source_control.rb, line 24 def initialize(start_date=nil) @start_date = start_date end
# File lib/churn/scm/source_control.rb, line 6 def self.set_source_control(start_date) if GitAnalyzer.supported? GitAnalyzer.new(start_date) elsif HgAnalyzer.supported? HgAnalyzer.new(start_date) elsif BzrAnalyzer.supported? BzrAnalyzer.new(start_date) elsif SvnAnalyzer.supported? SvnAnalyzer.new(start_date) else raise "Churn requires a bazaar, git, mercurial, or subversion source control" end end
# File lib/churn/scm/source_control.rb, line 20 def self.supported? raise "child class must implement" end
# File lib/churn/scm/source_control.rb, line 28 def get_logs raise "child class must implement" end
# File lib/churn/scm/source_control.rb, line 32 def get_revisions raise "child class must implement" end
# File lib/churn/scm/source_control.rb, line 36 def get_updated_files_change_info(revision, revisions) updated = {} logs = get_updated_files_from_log(revision, revisions) recent_file = nil logs.each do |line| if line.match(/^---/) || line.match(/^\+\+\+/) # Remove the --- a/ and +++ b/ if present recent_file = get_recent_file(line) updated[recent_file] = [] unless updated.include?(recent_file) elsif line.match(/^@@/) # Now add the added/removed ranges for the line removed_range = get_changed_range(line, '-') added_range = get_changed_range(line, '\+') updated[recent_file] << removed_range updated[recent_file] << added_range else puts line.match(/^---/) raise "diff lines that don't match the two patterns aren't expected: '#{line}'" end end updated end
# File lib/churn/scm/source_control.rb, line 59 def get_updated_files_from_log(revision, revisions) current_index = revisions.index(revision) previous_index = current_index+1 previous_revision = revisions[previous_index] unless revisions.length < previous_index if revision && previous_revision get_diff(revision, previous_revision) else [] end end