# -*- encoding: utf-8 -*-
+import logging
+log = logging.getLogger('ral.mercurial')
+
__author__ = "Łukasz Rekucki"
__date__ = "$2009-09-25 09:35:06$"
__doc__ = "Module documentation."
import wlrepo
import mercurial.error
+import re
+
+import logging
+log = logging.getLogger('wlrepo.document')
class MercurialDocument(wlrepo.Document):
def ismain(self):
return self._revision.user_name is None
+ def islatest(self):
+ return (self == self.latest())
+
def shared(self):
if self.ismain():
return self
def take_action(library, resolve):
# branch from latest
- library._create_branch(fullid, parent=self._revision)
+ library._set_branchname(fullid)
if not self._library.has_revision(fullid):
+ log.info("Checking out document %s" % fullid)
+
self.invoke_and_commit(take_action, \
lambda d: ("$AUTO$ File checkout.", user) )
- return self._library.document_for_rev(fullid)
-
+ return self._library.document_for_revision(fullid)
+
+ def up_to_date(self):
+ if self.ismain():
+ return True
+
+ shared = self.shared()
+
+ if shared.ancestorof(self):
+ return True
+
+ if shared.has_parent_from(self):
+ return True
+
+ return False
+
def update(self, user):
"""Update parts of the document."""
lock = self.library.lock()
try:
if self.ismain():
# main revision of the document
- return (True, False)
-
- if self._revision.has_children():
- print 'Update failed: has children.'
- # can't update non-latest revision
- return (False, False)
+ return self
- sv = self.shared()
+ # check for children in this branch
+ if self._revision.has_children(limit_branch=True):
+ raise wlrepo.UpdateException("Revision %s has children." % self.revision)
- if self.parentof(sv):
- return (True, False)
+ shared = self.shared()
+ # *
+ # /|
+ # * |
+ # | |
+ #
+ # we carry the latest version
+ if shared.ancestorof(self):
+ return self
+
+ # *
+ # |\
+ # | *
+ # | |
+ #
+ # We just shared
+ if self.parentof(shared):
+ return self
+
+ # s s S
+ # | | |
+ # *<-S *<-*
+ # | | | .
+ #
+ # This is ok (s - shared, S - self)
- if sv.ancestorof(self):
- return (True, False)
+ if self._revision.merge_with(shared._revision, user=user,\
+ message="$AUTO$ Personal branch update."):
+ return self.latest()
+ else:
+ raise wlrepo.UpdateException("Merge failed.")
+ finally:
+ lock.release()
- return self._revision.merge_with(sv._revision, user=user,
- message="$AUTO$ Personal branch update.")
- finally:
- lock.release()
+ def would_share(self):
+ if self.ismain():
+ return False, "Main version is always shared"
+
+ shared = self.shared()
+
+ # we just did this - move on
+ if self.parentof(shared):
+ return False, "Document has been recetly shared - no changes"
+
+ # *
+ # /|
+ # * *
+ # |\|
+ # | *
+ # | |
+ # Situation above is ok - what we don't want, is:
+ # *
+ # /|
+ # * |
+ # |\|
+ # | *
+ # | |
+ # We want to prevent stuff like this.
+ if self.parent().parentof(shared) and shared.parentof(self):
+ return False, "Preventing zig-zag"
+
+ return True, "All ok"
def share(self, message):
lock = self.library.lock()
- try:
- if self.ismain():
- return (True, False) # always shared
-
- user = self._revision.user_name
- main = self.shared()._revision
- local = self._revision
+ try:
+ # check if the document is in "updated" state
+ if not self.up_to_date():
+ raise wlrepo.OutdatedException("You must update your document before share.")
- # Case 1:
+ # now check if there is anything to do
+ need_work, info = self.would_share()
+
+ if not need_work:
+ return self.shared()
+
+ # The good situation
+ #
# * local
# |
- # * <- can also be here!
- # /|
+ # >*
+ # ||
# / |
# main * *
# | |
- # The local branch has been recently updated,
- # so we don't need to update yet again, but we need to
- # merge down to default branch, even if there was
- # no commit's since last update
-
- if main.ancestorof(local):
- print "case 1"
- success, changed = main.merge_with(local, user=user, message=message)
- # Case 2:
- #
- # main * * local
- # |\ |
- # | \|
- # | *
- # | |
- #
- # Default has no changes, to update from this branch
- # since the last merge of local to default.
- elif local.has_common_ancestor(main):
- print "case 2"
- if not local.parentof(main):
- success, changed = main.merge_with(local, user=user, message=message)
-
- # Case 3:
- # main *
- # |
- # * <- this case overlaps with previos one
- # |\
- # | \
- # | * local
- # | |
- #
- # There was a recent merge to the defaul branch and
- # no changes to local branch recently.
- #
- # Use the fact, that user is prepared to see changes, to
- # update his branch if there are any
- elif local.ancestorof(main):
- print "case 3"
- if not local.parentof(main):
- success, changed = local.merge_with(main, user=user, \
- message='$AUTO$ Local branch update during share.')
-
- else:
- print "case 4"
- success, changed = local.merge_with(main, user=user, \
- message='$AUTO$ Local branch update during share.')
+ shared = self.shared()
+ try:
+ success = shared._revision.merge_with(self._revision, user=self.owner, message=message)
if not success:
- return False
-
- if changed:
- local = self.latest()._revision
-
- success, changed = main.merge_with(local, user=user,\
- message=message)
-
- return success, changed
+ raise wlrepo.LibraryException("Merge failed.")
+
+ return shared.latest()
+ except Abort, e:
+ raise wlrepo.LibraryException( repr(e) )
finally:
- lock.release()
+ lock.release()
+
+
+ def has_conflict_marks(self):
+ return re.search("^(?:<<<<<<< .*|=======|>>>>>>> .*)$", self.data('xml'), re.MULTILINE)
def __unicode__(self):
- return u"Document(%s:%s)" % (self.name, self.owner)
+ return u"Document(%s:%s)" % (self.id, self.owner)
def __str__(self):
return self.__unicode__().encode('utf-8')
def __eq__(self, other):
- return (self._revision == other._revision) and (self.name == other.name)
+ return (self._revision == other._revision)
fnp / redakcja.git / blobdiff