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module Git
# object that holds the last X commits on given branch
class Log
include Enumerable
@base = nil
@commits = nil
@object = nil
@path = nil
@count = nil
@since = nil
@between = nil
@dirty_flag = nil
def initialize(base, count = 30, skip = 0, options = {})
dirty_log
@base = base
@count = count
@skip = skip
@options = options
end
def object(objectish)
dirty_log
@object = objectish
return self
end
def path(path)
dirty_log
@path = path
return self
end
def since(date)
dirty_log
@since = date
return self
end
def between(sha1, sha2 = nil)
dirty_log
@between = [sha1, sha2]
return self
end
def to_s
self.map { |c| c.to_s }.join("\n")
end
# forces git log to run
def size
check_log
@commits.size rescue nil
end
def each
check_log
@commits.each do |c|
yield c
end
end
def first
check_log
@commits.first rescue nil
end
private
def dirty_log
@dirty_flag = true
end
def check_log
if @dirty_flag
run_log
@dirty_flag = false
end
end
# actually run the 'git log' command
def run_log
log = @base.lib.full_log_commits({:count => @count, :object => @object,
:path_limiter => @path, :since => @since,
:between => @between, :skip => @skip}.merge(@options))
@commits = log.map { |c| Git::Object::Commit.new(@base, c['sha'], c) }
end
end
end
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