comparison hgext/convert/subversion.py @ 8881:76d3cd914c5e

convert/svn: remove dead code and obsolete comments

8880:a3a936a2fe46

# Subversion 1.4/1.5 Python API backend
#
# Copyright(C) 2007 Daniel Holth et al
#
# Configuration options:
#
# convert.svn.trunk
#   Relative path to the trunk (default: "trunk")
# convert.svn.branches
#   Relative path to tree of branches (default: "branches")
# convert.svn.tags
#   Relative path to tree of tags (default: "tags")
#
# Set these in a hgrc, or on the command line as follows:
#
#   hg convert --config convert.svn.trunk=wackoname [...]

import locale
import os
import re
import sys

                                    '1.4 or later required') % version)
        except AttributeError:
            raise MissingTool(_('Subversion python bindings are too old, 1.4 '
                                'or later required'))

        self.encoding = locale.getpreferredencoding()
        self.lastrevs = {}

        latest = None
        try:
            # Support file://path@rev syntax. Useful e.g. to convert

            self.convertfp = open(os.path.join(self.wc, '.svn', 'hg-shamap'),
                                  'a')
        self.convertfp.write('%s %d\n' % (destrev, self.revnum(rev)))
        self.convertfp.flush()

    # -- helper functions --

    def revid(self, revnum, module=None):
        if not module:
            module = self.module
        return u"svn:%s%s@%s" % (self.uuid, module.decode(self.encoding),
                                 revnum)

    def get_blacklist(self):
        """Avoid certain revision numbers.
        It is not uncommon for two nearby revisions to cancel each other
        out, e.g. 'I copied trunk into a subdirectory of itself instead
        of making a branch'. The converted repository is significantly
        smaller if we ignore such revisions."""
        self.blacklist = set()
        blacklist = self.blacklist
        for line in file("blacklist.txt", "r"):
            if not line.startswith("#"):
                try:

                # not changed but it probably does not worth the pain.
                prevmodule = self.reparent('')
                fromkind = svn.ra.check_path(self.ra, entrypath.strip('/'), fromrev)
                self.reparent(prevmodule)

                if fromkind == svn.core.svn_node_file:   # a deleted file
                    entries.append(self.recode(entry))
                elif fromkind == svn.core.svn_node_dir:
                    # print "Deleted/moved non-file:", revnum, path, ent
                    # children = self._find_children(path, revnum - 1)
                    # print ("find children %s@%d from %d action %s" %
                    #        (path, revnum, ent.copyfrom_rev, ent.action))
                    # Sometimes this is tricky. For example: in
                    # The Subversion Repository revision 6940 a dir
                    # was copied and one of its files was deleted
                    # from the new location in the same commit. This
                    # code can't deal with that yet.
                    if ent.action == 'C':
                        children = self._find_children(path, fromrev)
                    else:
                        oroot = entrypath.strip('/')
                        nroot = path.strip('/')

                                entries.append(entry)
                else:
                    self.ui.debug(_('unknown path in revision %d: %s\n') % \
                                  (revnum, path))
            elif kind == svn.core.svn_node_dir:
                # Should probably synthesize normal file entries
                # and handle as above to clean up copy/rename handling.

                # If the directory just had a prop change,
                # then we shouldn't need to look for its children.
                if ent.action == 'M':
                    continue

                # Also this could create duplicate entries. Not sure
                # whether this will matter. Maybe should make entries a set.
                # print "Changed directory", revnum, path, ent.action, \
                #     ent.copyfrom_path, ent.copyfrom_rev
                # This will fail if a directory was copied
                # from another branch and then some of its files
                # were deleted in the same transaction.
                children = sorted(self._find_children(path, revnum))
                for child in children:
                    # Can we move a child directory and its
                    # parent in the same commit? (probably can). Could
                    # cause problems if instead of revnum -1,
                    # we have to look in (copyfrom_path, revnum - 1)
                    entrypath = self.getrelpath("/" + child)
                    # print child, self.module, entrypath
                    if entrypath:
                        # Need to filter out directories here...
                        kind = self._checkpath(entrypath, revnum)
                        if kind != svn.core.svn_node_dir:
                            entries.append(self.recode(entrypath))

                # Copies here (must copy all from source) Probably not
                # a real problem for us if source does not exist
                if not ent.copyfrom_path or not parents:
                    continue
                # Copy sources not in parent revisions cannot be
                # represented, ignore their origin for now
                pmodule, prevnum = self.revsplit(parents[0])[1:]

8881:76d3cd914c5e

# Subversion 1.4/1.5 Python API backend
#
# Copyright(C) 2007 Daniel Holth et al

import locale
import os
import re
import sys

                                    '1.4 or later required') % version)
        except AttributeError:
            raise MissingTool(_('Subversion python bindings are too old, 1.4 '
                                'or later required'))

        self.lastrevs = {}

        latest = None
        try:
            # Support file://path@rev syntax. Useful e.g. to convert

            self.convertfp = open(os.path.join(self.wc, '.svn', 'hg-shamap'),
                                  'a')
        self.convertfp.write('%s %d\n' % (destrev, self.revnum(rev)))
        self.convertfp.flush()

    def revid(self, revnum, module=None):
        if not module:
            module = self.module
        return u"svn:%s%s@%s" % (self.uuid, module.decode(self.encoding),
                                 revnum)

    def get_blacklist(self):
        """Avoid certain revision numbers.
        It is not uncommon for two nearby revisions to cancel each other
        out, e.g. 'I copied trunk into a subdirectory of itself instead
        of making a branch'. The converted repository is significantly
        smaller if we ignore such revisions.
        """
        self.blacklist = set()
        blacklist = self.blacklist
        for line in file("blacklist.txt", "r"):
            if not line.startswith("#"):
                try:

                # not changed but it probably does not worth the pain.
                prevmodule = self.reparent('')
                fromkind = svn.ra.check_path(self.ra, entrypath.strip('/'), fromrev)
                self.reparent(prevmodule)

                if fromkind == svn.core.svn_node_file:
                    entries.append(self.recode(entry))
                elif fromkind == svn.core.svn_node_dir:
                    # Sometimes this is tricky. For example: in The
                    # Subversion Repository revision 6940 a dir was
                    # copied and one of its files was deleted from the
                    # new location in the same commit. This code can't
                    # deal with that yet.
                    if ent.action == 'C':
                        children = self._find_children(path, fromrev)
                    else:
                        oroot = entrypath.strip('/')
                        nroot = path.strip('/')

                                entries.append(entry)
                else:
                    self.ui.debug(_('unknown path in revision %d: %s\n') % \
                                  (revnum, path))
            elif kind == svn.core.svn_node_dir:
                # If the directory just had a prop change,
                # then we shouldn't need to look for its children.
                if ent.action == 'M':
                    continue

                children = sorted(self._find_children(path, revnum))
                for child in children:
                    # Can we move a child directory and its
                    # parent in the same commit? (probably can). Could
                    # cause problems if instead of revnum -1,
                    # we have to look in (copyfrom_path, revnum - 1)
                    entrypath = self.getrelpath("/" + child)
                    if entrypath:
                        # Need to filter out directories here...
                        kind = self._checkpath(entrypath, revnum)
                        if kind != svn.core.svn_node_dir:
                            entries.append(self.recode(entrypath))

                # Handle directory copies
                if not ent.copyfrom_path or not parents:
                    continue
                # Copy sources not in parent revisions cannot be
                # represented, ignore their origin for now
                pmodule, prevnum = self.revsplit(parents[0])[1:]