# This file is part of LilyPond, the GNU music typesetter.
#
-# Copyright (C) 1998--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
+# Copyright (C) 1998--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
# Jan Nieuwenhuizen <janneke@gnu.org>
#
# LilyPond is free software: you can redistribute it and/or modify
import os
import sys
import re
+import shutil
"""
@relocate-preamble@
%s
%s
-''' % ( _ ('Copyright (c) %s by') % '2001--2012',
+''' % ( _ ('Copyright (c) %s by') % '2001--2015',
' '.join (authors),
_ ('Distributed under terms of the GNU General Public License.'),
_ ('It comes with NO WARRANTY.')))
action='store_true',
dest='diff_version_update',
default=False)
-
+
p.add_option ("-s", '--show-rules',
help=_ ("show rules [default: -f 0, -t %s]") % program_version,
dest='show_rules',
action='store_true', default=False)
-
+
p.add_option ('-t', '--to',
help=_ ("convert to VERSION [default: %s]") % program_version,
metavar=_ ('VERSION'),
action='store',
dest="to_version",
default='')
+
+ p.add_option ('-b', '--backup-numbered',
+ help=_ ("make a numbered backup [default: filename.ext~]"),
+ action='store_true',
+ dest="backup_numbered",
+ default='')
+
p.add_option ('-w', '--warranty', help=_ ("show warranty and copyright"),
action='store_true',
),
return p
-
-
def str_to_tuple (s):
return tuple ([int(n) for n in s.split ('.')])
return (last_conversion, last_change, str, errors)
-
-
def guess_lilypond_version (input):
m = lilypond_version_strict_re.search (input)
if m:
def __init__ (self, version):
self.version = version
+def back_up (file, numbered):
+ if numbered:
+ n = 0
+ while True:
+ n = n + 1
+ back_up = file + '.~' + str(n) + '~'
+ if not os.path.exists (back_up):
+ break
+ else:
+ back_up = file + '~'
+ shutil.copy2 (file, back_up)
+ return back_up
+
def do_one_file (infile_name):
ly.progress (_ (u"Processing `%s\'... ") % infile_name, True)
else:
input = sys.stdin.read ()
- from_version = None
to_version = None
- if global_options.from_version:
- from_version = global_options.from_version
- else:
- guess = guess_lilypond_version (input)
- if not guess:
- raise UnknownVersion ()
- from_version = str_to_tuple (guess)
+ org_version = None
+ guess = guess_lilypond_version (input)
+ org_version = guess and str_to_tuple (guess)
+ from_version = global_options.from_version or org_version
+ if not from_version:
+ raise UnknownVersion ()
if global_options.to_version:
to_version = global_options.to_version
# Note that last_change can be set even if the result is
# the same if two conversion rules cancelled out
if result == input:
- # check the y in x.y.z (minor version number)
- previous_stable = (last[0], 2*(last[1]/2), 0)
- if ((last[0:2] != from_version[0:2]) and
- (previous_stable > from_version)):
- # previous stable version
- last = previous_stable
- else:
- # make no (actual) change to the version number
- last = from_version
+ # make no (actual) change to the version number
+ last = org_version or from_version
else:
last = last_change
+ # If the last update was to an unstable version
+ # number, and the final update target is no longer in
+ # the same unstable series, we update to the stable
+ # series following the unstable version.
+ if last[1]%2: # unstable
+ next_stable = (last[0], last[1]+1, 0)
+ if next_stable <= to_version:
+ last = next_stable
newversion = r'\version "%s"' % tup_to_str (last)
if lilypond_version_re.search (result):
ly.progress ('\n')
if global_options.edit:
- try:
- os.remove (infile_name + '~')
- except:
- pass
- os.rename (infile_name, infile_name + '~')
+ backup = back_up (infile_name, global_options.backup_numbered)
outfile = open (infile_name, 'w')
else:
outfile = sys.stdout
"There were %d errors.", errors) % errors)
sys.exit (1)
-
main ()