1 """Basic quilt-like functionality
5 Copyright (C) 2005, Catalin Marinas <catalin.marinas@gmail.com>
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 from stgit
.utils
import *
25 from stgit
.config
import config
28 # stack exception class
29 class StackException(Exception):
34 self
.should_print
= True
35 def __call__(self
, x
, until_test
, prefix
):
37 self
.should_print
= False
39 return x
[0:len(prefix
)] != prefix
45 __comment_prefix
= 'STG:'
46 __patch_prefix
= 'STG_PATCH:'
48 def __clean_comments(f
):
49 """Removes lines marked for status in a commit file
53 # remove status-prefixed lines
56 patch_filter
= FilterUntil()
57 until_test
= lambda t
: t
== (__patch_prefix
+ '\n')
58 lines
= [l
for l
in lines
if patch_filter(l
, until_test
, __comment_prefix
)]
60 # remove empty lines at the end
61 while len(lines
) != 0 and lines
[-1] == '\n':
64 f
.seek(0); f
.truncate()
67 def edit_file(series
, line
, comment
, show_patch
= True):
69 tmpl
= os
.path
.join(git
.get_base_dir(), 'patchdescr.tmpl')
74 elif os
.path
.isfile(tmpl
):
75 print >> f
, file(tmpl
).read().rstrip()
78 print >> f
, __comment_prefix
, comment
79 print >> f
, __comment_prefix
, \
80 'Lines prefixed with "%s" will be automatically removed.' \
82 print >> f
, __comment_prefix
, \
83 'Trailing empty lines will be automatically removed.'
86 print >> f
, __patch_prefix
87 # series.get_patch(series.get_current()).get_top()
88 git
.diff([], series
.get_patch(series
.get_current()).get_bottom(), None, f
)
90 #Vim modeline must be near the end.
91 print >> f
, __comment_prefix
, 'vi: set textwidth=75 filetype=diff nobackup:'
95 if config
.has_option('stgit', 'editor'):
96 editor
= config
.get('stgit', 'editor')
97 elif 'EDITOR' in os
.environ
:
98 editor
= os
.environ
['EDITOR']
101 editor
+= ' %s' % fname
103 print 'Invoking the editor: "%s"...' % editor
,
105 print 'done (exit code: %d)' % os
.system(editor
)
107 f
= file(fname
, 'r+')
123 """Basic patch implementation
125 def __init__(self
, name
, series_dir
, refs_dir
):
126 self
.__series_dir
= series_dir
128 self
.__dir
= os
.path
.join(self
.__series_dir
, self
.__name
)
129 self
.__refs_dir
= refs_dir
130 self
.__top_ref_file
= os
.path
.join(self
.__refs_dir
, self
.__name
)
134 create_empty_file(os
.path
.join(self
.__dir
, 'bottom'))
135 create_empty_file(os
.path
.join(self
.__dir
, 'top'))
138 for f
in os
.listdir(self
.__dir
):
139 os
.remove(os
.path
.join(self
.__dir
, f
))
141 os
.remove(self
.__top_ref_file
)
146 def rename(self
, newname
):
148 old_ref_file
= self
.__top_ref_file
149 self
.__name
= newname
150 self
.__dir
= os
.path
.join(self
.__series_dir
, self
.__name
)
151 self
.__top_ref_file
= os
.path
.join(self
.__refs_dir
, self
.__name
)
153 os
.rename(olddir
, self
.__dir
)
154 os
.rename(old_ref_file
, self
.__top_ref_file
)
156 def __update_top_ref(self
, ref
):
157 write_string(self
.__top_ref_file
, ref
)
159 def update_top_ref(self
):
162 self
.__update_top_ref(top
)
164 def __get_field(self
, name
, multiline
= False):
165 id_file
= os
.path
.join(self
.__dir
, name
)
166 if os
.path
.isfile(id_file
):
167 line
= read_string(id_file
, multiline
)
175 def __set_field(self
, name
, value
, multiline
= False):
176 fname
= os
.path
.join(self
.__dir
, name
)
177 if value
and value
!= '':
178 write_string(fname
, value
, multiline
)
179 elif os
.path
.isfile(fname
):
182 def get_old_bottom(self
):
183 return self
.__get_field('bottom.old')
185 def get_bottom(self
):
186 return self
.__get_field('bottom')
188 def set_bottom(self
, value
, backup
= False):
190 curr
= self
.__get_field('bottom')
192 self
.__set_field('bottom.old', curr
)
194 self
.__set_field('bottom.old', None)
195 self
.__set_field('bottom', value
)
197 def get_old_top(self
):
198 return self
.__get_field('top.old')
201 return self
.__get_field('top')
203 def set_top(self
, value
, backup
= False):
205 curr
= self
.__get_field('top')
207 self
.__set_field('top.old', curr
)
209 self
.__set_field('top.old', None)
210 self
.__set_field('top', value
)
211 self
.__update_top_ref(value
)
213 def restore_old_boundaries(self
):
214 bottom
= self
.__get_field('bottom.old')
215 top
= self
.__get_field('top.old')
218 self
.__set_field('bottom', bottom
)
219 self
.__set_field('top', top
)
220 self
.__update_top_ref(top
)
225 def get_description(self
):
226 return self
.__get_field('description', True)
228 def set_description(self
, line
):
229 self
.__set_field('description', line
, True)
231 def get_authname(self
):
232 return self
.__get_field('authname')
234 def set_authname(self
, name
):
236 if config
.has_option('stgit', 'authname'):
237 name
= config
.get('stgit', 'authname')
238 elif 'GIT_AUTHOR_NAME' in os
.environ
:
239 name
= os
.environ
['GIT_AUTHOR_NAME']
240 self
.__set_field('authname', name
)
242 def get_authemail(self
):
243 return self
.__get_field('authemail')
245 def set_authemail(self
, address
):
247 if config
.has_option('stgit', 'authemail'):
248 address
= config
.get('stgit', 'authemail')
249 elif 'GIT_AUTHOR_EMAIL' in os
.environ
:
250 address
= os
.environ
['GIT_AUTHOR_EMAIL']
251 self
.__set_field('authemail', address
)
253 def get_authdate(self
):
254 return self
.__get_field('authdate')
256 def set_authdate(self
, date
):
257 if not date
and 'GIT_AUTHOR_DATE' in os
.environ
:
258 date
= os
.environ
['GIT_AUTHOR_DATE']
259 self
.__set_field('authdate', date
)
261 def get_commname(self
):
262 return self
.__get_field('commname')
264 def set_commname(self
, name
):
266 if config
.has_option('stgit', 'commname'):
267 name
= config
.get('stgit', 'commname')
268 elif 'GIT_COMMITTER_NAME' in os
.environ
:
269 name
= os
.environ
['GIT_COMMITTER_NAME']
270 self
.__set_field('commname', name
)
272 def get_commemail(self
):
273 return self
.__get_field('commemail')
275 def set_commemail(self
, address
):
277 if config
.has_option('stgit', 'commemail'):
278 address
= config
.get('stgit', 'commemail')
279 elif 'GIT_COMMITTER_EMAIL' in os
.environ
:
280 address
= os
.environ
['GIT_COMMITTER_EMAIL']
281 self
.__set_field('commemail', address
)
285 """Class including the operations on series
287 def __init__(self
, name
= None):
288 """Takes a series name as the parameter.
294 self
.__name
= git
.get_head_file()
295 self
.__base_dir
= git
.get_base_dir()
296 except git
.GitException
, ex
:
297 raise StackException
, 'GIT tree not initialised: %s' % ex
299 self
.__series_dir
= os
.path
.join(self
.__base_dir
, 'patches',
301 self
.__refs_dir
= os
.path
.join(self
.__base_dir
, 'refs', 'patches',
303 self
.__base_file
= os
.path
.join(self
.__base_dir
, 'refs', 'bases',
306 self
.__applied_file
= os
.path
.join(self
.__series_dir
, 'applied')
307 self
.__unapplied_file
= os
.path
.join(self
.__series_dir
, 'unapplied')
308 self
.__current_file
= os
.path
.join(self
.__series_dir
, 'current')
309 self
.__descr_file
= os
.path
.join(self
.__series_dir
, 'description')
311 # where this series keeps its patches
312 self
.__patch_dir
= os
.path
.join(self
.__series_dir
, 'patches')
313 if not os
.path
.isdir(self
.__patch_dir
):
314 self
.__patch_dir
= self
.__series_dir
316 # if no __refs_dir, create and populate it (upgrade old repositories)
317 if self
.is_initialised() and not os
.path
.isdir(self
.__refs_dir
):
318 os
.makedirs(self
.__refs_dir
)
319 for patch
in self
.get_applied() + self
.get_unapplied():
320 self
.get_patch(patch
).update_top_ref()
322 def get_branch(self
):
323 """Return the branch name for the Series object
327 def __set_current(self
, name
):
328 """Sets the topmost patch
331 write_string(self
.__current_file
, name
)
333 create_empty_file(self
.__current_file
)
335 def get_patch(self
, name
):
336 """Return a Patch object for the given name
338 return Patch(name
, self
.__patch_dir
, self
.__refs_dir
)
340 def get_current(self
):
341 """Return a Patch object representing the topmost patch
343 if os
.path
.isfile(self
.__current_file
):
344 name
= read_string(self
.__current_file
)
352 def get_applied(self
):
353 if not os
.path
.isfile(self
.__applied_file
):
354 raise StackException
, 'Branch "%s" not initialised' % self
.__name
355 f
= file(self
.__applied_file
)
356 names
= [line
.strip() for line
in f
.readlines()]
360 def get_unapplied(self
):
361 if not os
.path
.isfile(self
.__unapplied_file
):
362 raise StackException
, 'Branch "%s" not initialised' % self
.__name
363 f
= file(self
.__unapplied_file
)
364 names
= [line
.strip() for line
in f
.readlines()]
368 def get_base_file(self
):
369 self
.__begin_stack_check()
370 return self
.__base_file
372 def get_protected(self
):
373 return os
.path
.isfile(os
.path
.join(self
.__series_dir
, 'protected'))
376 protect_file
= os
.path
.join(self
.__series_dir
, 'protected')
377 if not os
.path
.isfile(protect_file
):
378 create_empty_file(protect_file
)
381 protect_file
= os
.path
.join(self
.__series_dir
, 'protected')
382 if os
.path
.isfile(protect_file
):
383 os
.remove(protect_file
)
385 def get_description(self
):
386 if os
.path
.isfile(self
.__descr_file
):
387 return read_string(self
.__descr_file
)
391 def __patch_is_current(self
, patch
):
392 return patch
.get_name() == read_string(self
.__current_file
)
394 def __patch_applied(self
, name
):
395 """Return true if the patch exists in the applied list
397 return name
in self
.get_applied()
399 def __patch_unapplied(self
, name
):
400 """Return true if the patch exists in the unapplied list
402 return name
in self
.get_unapplied()
404 def __begin_stack_check(self
):
405 """Save the current HEAD into .git/refs/heads/base if the stack
408 if len(self
.get_applied()) == 0:
409 head
= git
.get_head()
410 write_string(self
.__base_file
, head
)
412 def __end_stack_check(self
):
413 """Remove .git/refs/heads/base if the stack is empty.
414 This warning should never happen
416 if len(self
.get_applied()) == 0 \
417 and read_string(self
.__base_file
) != git
.get_head():
418 print 'Warning: stack empty but the HEAD and base are different'
420 def head_top_equal(self
):
421 """Return true if the head and the top are the same
423 crt
= self
.get_current()
425 # we don't care, no patches applied
427 return git
.get_head() == Patch(crt
, self
.__patch_dir
,
428 self
.__refs_dir
).get_top()
430 def is_initialised(self
):
431 """Checks if series is already initialised
433 return os
.path
.isdir(self
.__patch_dir
)
436 """Initialises the stgit series
438 bases_dir
= os
.path
.join(self
.__base_dir
, 'refs', 'bases')
440 if self
.is_initialised():
441 raise StackException
, self
.__patch_dir
+ ' already exists'
442 os
.makedirs(self
.__patch_dir
)
444 if not os
.path
.isdir(bases_dir
):
445 os
.makedirs(bases_dir
)
447 create_empty_file(self
.__applied_file
)
448 create_empty_file(self
.__unapplied_file
)
449 create_empty_file(self
.__descr_file
)
450 os
.makedirs(os
.path
.join(self
.__series_dir
, 'patches'))
451 os
.makedirs(self
.__refs_dir
)
452 self
.__begin_stack_check()
455 """Either convert to use a separate patch directory, or
456 unconvert to place the patches in the same directory with
459 if self
.__patch_dir
== self
.__series_dir
:
460 print 'Converting old-style to new-style...',
463 self
.__patch_dir
= os
.path
.join(self
.__series_dir
, 'patches')
464 os
.makedirs(self
.__patch_dir
)
466 for p
in self
.get_applied() + self
.get_unapplied():
467 src
= os
.path
.join(self
.__series_dir
, p
)
468 dest
= os
.path
.join(self
.__patch_dir
, p
)
474 print 'Converting new-style to old-style...',
477 for p
in self
.get_applied() + self
.get_unapplied():
478 src
= os
.path
.join(self
.__patch_dir
, p
)
479 dest
= os
.path
.join(self
.__series_dir
, p
)
482 if not os
.listdir(self
.__patch_dir
):
483 os
.rmdir(self
.__patch_dir
)
486 print 'Patch directory %s is not empty.' % self
.__name
488 self
.__patch_dir
= self
.__series_dir
490 def rename(self
, to_name
):
493 to_stack
= Series(to_name
)
495 if to_stack
.is_initialised():
496 raise StackException
, '"%s" already exists' % to_stack
.get_branch()
497 if os
.path
.exists(to_stack
.__base_file
):
498 os
.remove(to_stack
.__base_file
)
500 git
.rename_branch(self
.__name
, to_name
)
502 if os
.path
.isdir(self
.__series_dir
):
503 os
.rename(self
.__series_dir
, to_stack
.__series_dir
)
504 if os
.path
.exists(self
.__base_file
):
505 os
.rename(self
.__base_file
, to_stack
.__base_file
)
507 self
.__init__(to_name
)
509 def clone(self
, target_series
):
512 base
= read_string(self
.get_base_file())
513 git
.create_branch(target_series
, tree_id
= base
)
514 Series(target_series
).init()
515 new_series
= Series(target_series
)
517 # generate an artificial description file
518 write_string(new_series
.__descr_file
, 'clone of "%s"' % self
.__name
)
520 # clone self's entire series as unapplied patches
521 patches
= self
.get_applied() + self
.get_unapplied()
524 patch
= self
.get_patch(p
)
525 new_series
.new_patch(p
, message
= patch
.get_description(),
526 can_edit
= False, unapplied
= True,
527 bottom
= patch
.get_bottom(),
528 top
= patch
.get_top(),
529 author_name
= patch
.get_authname(),
530 author_email
= patch
.get_authemail(),
531 author_date
= patch
.get_authdate())
533 # fast forward the cloned series to self's top
534 new_series
.forward_patches(self
.get_applied())
536 def delete(self
, force
= False):
537 """Deletes an stgit series
539 if self
.is_initialised():
540 patches
= self
.get_unapplied() + self
.get_applied()
541 if not force
and patches
:
542 raise StackException
, \
543 'Cannot delete: the series still contains patches'
545 Patch(p
, self
.__patch_dir
, self
.__refs_dir
).delete()
547 if os
.path
.exists(self
.__applied_file
):
548 os
.remove(self
.__applied_file
)
549 if os
.path
.exists(self
.__unapplied_file
):
550 os
.remove(self
.__unapplied_file
)
551 if os
.path
.exists(self
.__current_file
):
552 os
.remove(self
.__current_file
)
553 if os
.path
.exists(self
.__descr_file
):
554 os
.remove(self
.__descr_file
)
555 if not os
.listdir(self
.__patch_dir
):
556 os
.rmdir(self
.__patch_dir
)
558 print 'Patch directory %s is not empty.' % self
.__name
559 if not os
.listdir(self
.__series_dir
):
560 os
.rmdir(self
.__series_dir
)
562 print 'Series directory %s is not empty.' % self
.__name
563 if not os
.listdir(self
.__refs_dir
):
564 os
.rmdir(self
.__refs_dir
)
566 print 'Refs directory %s is not empty.' % self
.__refs_dir
568 if os
.path
.exists(self
.__base_file
):
569 os
.remove(self
.__base_file
)
571 def refresh_patch(self
, files
= None, message
= None, edit
= False,
574 author_name
= None, author_email
= None,
576 committer_name
= None, committer_email
= None):
577 """Generates a new commit for the given patch
579 name
= self
.get_current()
581 raise StackException
, 'No patches applied'
583 patch
= Patch(name
, self
.__patch_dir
, self
.__refs_dir
)
585 descr
= patch
.get_description()
586 if not (message
or descr
):
592 if not message
and edit
:
593 descr
= edit_file(self
, descr
.rstrip(), \
594 'Please edit the description for patch "%s" ' \
595 'above.' % name
, show_patch
)
598 author_name
= patch
.get_authname()
600 author_email
= patch
.get_authemail()
602 author_date
= patch
.get_authdate()
603 if not committer_name
:
604 committer_name
= patch
.get_commname()
605 if not committer_email
:
606 committer_email
= patch
.get_commemail()
608 commit_id
= git
.commit(files
= files
,
609 message
= descr
, parents
= [patch
.get_bottom()],
610 cache_update
= cache_update
,
612 author_name
= author_name
,
613 author_email
= author_email
,
614 author_date
= author_date
,
615 committer_name
= committer_name
,
616 committer_email
= committer_email
)
618 patch
.set_top(commit_id
)
619 patch
.set_description(descr
)
620 patch
.set_authname(author_name
)
621 patch
.set_authemail(author_email
)
622 patch
.set_authdate(author_date
)
623 patch
.set_commname(committer_name
)
624 patch
.set_commemail(committer_email
)
628 def new_patch(self
, name
, message
= None, can_edit
= True,
629 unapplied
= False, show_patch
= False,
630 top
= None, bottom
= None,
631 author_name
= None, author_email
= None, author_date
= None,
632 committer_name
= None, committer_email
= None):
633 """Creates a new patch
635 if self
.__patch_applied(name
) or self
.__patch_unapplied(name
):
636 raise StackException
, 'Patch "%s" already exists' % name
638 if not message
and can_edit
:
639 descr
= edit_file(self
, None, \
640 'Please enter the description for patch "%s" ' \
641 'above.' % name
, show_patch
)
645 head
= git
.get_head()
647 self
.__begin_stack_check()
649 patch
= Patch(name
, self
.__patch_dir
, self
.__refs_dir
)
653 patch
.set_bottom(bottom
)
655 patch
.set_bottom(head
)
661 patch
.set_description(descr
)
662 patch
.set_authname(author_name
)
663 patch
.set_authemail(author_email
)
664 patch
.set_authdate(author_date
)
665 patch
.set_commname(committer_name
)
666 patch
.set_commemail(committer_email
)
669 patches
= [patch
.get_name()] + self
.get_unapplied()
671 f
= file(self
.__unapplied_file
, 'w+')
672 f
.writelines([line
+ '\n' for line
in patches
])
675 append_string(self
.__applied_file
, patch
.get_name())
676 self
.__set_current(name
)
678 def delete_patch(self
, name
):
681 patch
= Patch(name
, self
.__patch_dir
, self
.__refs_dir
)
683 if self
.__patch_is_current(patch
):
685 elif self
.__patch_applied(name
):
686 raise StackException
, 'Cannot remove an applied patch, "%s", ' \
687 'which is not current' % name
688 elif not name
in self
.get_unapplied():
689 raise StackException
, 'Unknown patch "%s"' % name
693 unapplied
= self
.get_unapplied()
694 unapplied
.remove(name
)
695 f
= file(self
.__unapplied_file
, 'w+')
696 f
.writelines([line
+ '\n' for line
in unapplied
])
698 self
.__begin_stack_check()
700 def forward_patches(self
, names
):
701 """Try to fast-forward an array of patches.
703 On return, patches in names[0:returned_value] have been pushed on the
704 stack. Apply the rest with push_patch
706 unapplied
= self
.get_unapplied()
707 self
.__begin_stack_check()
713 assert(name
in unapplied
)
715 patch
= Patch(name
, self
.__patch_dir
, self
.__refs_dir
)
718 bottom
= patch
.get_bottom()
719 top
= patch
.get_top()
721 # top != bottom always since we have a commit for each patch
723 # reset the backup information
724 patch
.set_bottom(head
, backup
= True)
725 patch
.set_top(top
, backup
= True)
728 head_tree
= git
.get_commit(head
).get_tree()
729 bottom_tree
= git
.get_commit(bottom
).get_tree()
730 if head_tree
== bottom_tree
:
731 # We must just reparent this patch and create a new commit
733 descr
= patch
.get_description()
734 author_name
= patch
.get_authname()
735 author_email
= patch
.get_authemail()
736 author_date
= patch
.get_authdate()
737 committer_name
= patch
.get_commname()
738 committer_email
= patch
.get_commemail()
740 top_tree
= git
.get_commit(top
).get_tree()
742 top
= git
.commit(message
= descr
, parents
= [head
],
743 cache_update
= False,
746 author_name
= author_name
,
747 author_email
= author_email
,
748 author_date
= author_date
,
749 committer_name
= committer_name
,
750 committer_email
= committer_email
)
752 patch
.set_bottom(head
, backup
= True)
753 patch
.set_top(top
, backup
= True)
756 # stop the fast-forwarding, must do a real merge
760 unapplied
.remove(name
)
767 append_strings(self
.__applied_file
, names
[0:forwarded
])
769 f
= file(self
.__unapplied_file
, 'w+')
770 f
.writelines([line
+ '\n' for line
in unapplied
])
773 self
.__set_current(name
)
777 def push_patch(self
, name
):
778 """Pushes a patch on the stack
780 unapplied
= self
.get_unapplied()
781 assert(name
in unapplied
)
783 self
.__begin_stack_check()
785 patch
= Patch(name
, self
.__patch_dir
, self
.__refs_dir
)
787 head
= git
.get_head()
788 bottom
= patch
.get_bottom()
789 top
= patch
.get_top()
794 # top != bottom always since we have a commit for each patch
796 # reset the backup information
797 patch
.set_bottom(bottom
, backup
= True)
798 patch
.set_top(top
, backup
= True)
802 # new patch needs to be refreshed.
803 # The current patch is empty after merge.
804 patch
.set_bottom(head
, backup
= True)
805 patch
.set_top(head
, backup
= True)
807 # Try the fast applying first. If this fails, fall back to the
809 if not git
.apply_diff(bottom
, top
):
810 # if git.apply_diff() fails, the patch requires a diff3
811 # merge and can be reported as modified
814 # merge can fail but the patch needs to be pushed
816 git
.merge(bottom
, head
, top
)
817 except git
.GitException
, ex
:
818 print >> sys
.stderr
, \
819 'The merge failed during "push". ' \
820 'Use "refresh" after fixing the conflicts'
822 append_string(self
.__applied_file
, name
)
824 unapplied
.remove(name
)
825 f
= file(self
.__unapplied_file
, 'w+')
826 f
.writelines([line
+ '\n' for line
in unapplied
])
829 self
.__set_current(name
)
831 # head == bottom case doesn't need to refresh the patch
834 # if the merge was OK and no conflicts, just refresh the patch
835 # The GIT cache was already updated by the merge operation
836 self
.refresh_patch(cache_update
= False)
838 raise StackException
, str(ex
)
843 name
= self
.get_current()
846 patch
= Patch(name
, self
.__patch_dir
, self
.__refs_dir
)
849 return patch
.restore_old_boundaries()
851 def pop_patch(self
, name
):
852 """Pops the top patch from the stack
854 applied
= self
.get_applied()
856 assert(name
in applied
)
858 patch
= Patch(name
, self
.__patch_dir
, self
.__refs_dir
)
860 git
.switch(patch
.get_bottom())
862 # save the new applied list
863 idx
= applied
.index(name
) + 1
865 popped
= applied
[:idx
]
867 unapplied
= popped
+ self
.get_unapplied()
869 f
= file(self
.__unapplied_file
, 'w+')
870 f
.writelines([line
+ '\n' for line
in unapplied
])
876 f
= file(self
.__applied_file
, 'w+')
877 f
.writelines([line
+ '\n' for line
in applied
])
881 self
.__set_current(None)
883 self
.__set_current(applied
[-1])
885 self
.__end_stack_check()
887 def empty_patch(self
, name
):
888 """Returns True if the patch is empty
890 patch
= Patch(name
, self
.__patch_dir
, self
.__refs_dir
)
891 bottom
= patch
.get_bottom()
892 top
= patch
.get_top()
896 elif git
.get_commit(top
).get_tree() \
897 == git
.get_commit(bottom
).get_tree():
902 def rename_patch(self
, oldname
, newname
):
903 applied
= self
.get_applied()
904 unapplied
= self
.get_unapplied()
906 if oldname
== newname
:
907 raise StackException
, '"To" name and "from" name are the same'
909 if newname
in applied
or newname
in unapplied
:
910 raise StackException
, 'Patch "%s" already exists' % newname
912 if oldname
in unapplied
:
913 Patch(oldname
, self
.__patch_dir
, self
.__refs_dir
).rename(newname
)
914 unapplied
[unapplied
.index(oldname
)] = newname
916 f
= file(self
.__unapplied_file
, 'w+')
917 f
.writelines([line
+ '\n' for line
in unapplied
])
919 elif oldname
in applied
:
920 Patch(oldname
, self
.__patch_dir
, self
.__refs_dir
).rename(newname
)
921 if oldname
== self
.get_current():
922 self
.__set_current(newname
)
924 applied
[applied
.index(oldname
)] = newname
926 f
= file(self
.__applied_file
, 'w+')
927 f
.writelines([line
+ '\n' for line
in applied
])
930 raise StackException
, 'Unknown patch "%s"' % oldname