in retire.rb [93:104]
def get_board_date(yyyymm)
cmd = ['svn', 'ls', MINUTES+yyyymm[0,4]]
out, err, status = Open3.capture3(*cmd)
if status.success?
m = out.split("\n").select {|l| l.include? yyyymm.sub('-','_')}.map {|d| d[14,10].gsub('_', '-')}
return m
else
p err
return yyyymm
end
end