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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# TODO: build_working_dir can be built on something simpler than merge()
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from tempfile import mkdtemp
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from bzrlib._changeset import generate_changeset, ExceptionConflictHandler
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from bzrlib._changeset import Inventory, Diff3Merge, ReplaceContents
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from bzrlib._merge_core import WeaveMerge
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from bzrlib._merge_core import merge_flex, ApplyMerge3, BackupBeforeChange
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from bzrlib.branch import Branch
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from bzrlib.conflicts import ConflictList, Conflict
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from bzrlib.delta import compare_trees
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from bzrlib.errors import (BzrCommandError,
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WorkingTreeNotRevision,
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from bzrlib.fetch import greedy_fetch, fetch
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from bzrlib.merge3 import Merge3
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import bzrlib.osutils
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from bzrlib.osutils import rename, pathjoin
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from bzrlib.revision import common_ancestor, MultipleRevisionSources
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from bzrlib.revision import is_ancestor, NULL_REVISION
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from bzrlib.osutils import rename, pathjoin, rmtree
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from progress import DummyProgress, ProgressPhase
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from bzrlib.revision import common_ancestor, is_ancestor, NULL_REVISION
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from bzrlib.symbol_versioning import *
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from bzrlib.textfile import check_text_lines
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from bzrlib.trace import mutter, warning, note
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from bzrlib.transform import (TreeTransform, resolve_conflicts, cook_conflicts,
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FinalPaths, create_by_entry, unique_add)
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from bzrlib.versionedfile import WeaveMerge
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# TODO: Report back as changes are merged in
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# comments from abentley on irc: merge happens in two stages, each
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# of which generates a changeset object
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# stage 1: generate OLD->OTHER,
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# stage 2: use MINE and OLD->OTHER to generate MINE -> RESULT
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class _MergeConflictHandler(ExceptionConflictHandler):
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"""Handle conflicts encountered while merging.
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This subclasses ExceptionConflictHandler, so that any types of
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conflict that are not explicitly handled cause an exception and
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def __init__(self, this_tree, base_tree, other_tree, ignore_zero=False):
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ExceptionConflictHandler.__init__(self)
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self.ignore_zero = ignore_zero
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self.this_tree = this_tree
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self.base_tree = base_tree
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self.other_tree = other_tree
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def copy(self, source, dest):
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"""Copy the text and mode of a file
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:param source: The path of the file to copy
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:param dest: The distination file to create
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s_file = file(source, "rb")
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d_file = file(dest, "wb")
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os.chmod(dest, 0777 & os.stat(source).st_mode)
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def dump(self, lines, dest):
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"""Copy the text and mode of a file
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:param source: The path of the file to copy
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:param dest: The distination file to create
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d_file = file(dest, "wb")
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def add_suffix(self, name, suffix, last_new_name=None, fix_inventory=True):
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"""Rename a file to append a suffix. If the new name exists, the
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suffix is added repeatedly until a non-existant name is found
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:param name: The path of the file
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:param suffix: The suffix to append
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:param last_new_name: (used for recursive calls) the last name tried
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if last_new_name is None:
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new_name = last_new_name+suffix
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rename(name, new_name)
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if fix_inventory is True:
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relpath = self.this_tree.relpath(name)
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except NotBranchError:
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if relpath is not None:
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file_id = self.this_tree.path2id(relpath)
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if file_id is not None:
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new_path = self.this_tree.relpath(new_name)
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rename(new_name, name)
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self.this_tree.rename_one(relpath, new_path)
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assert self.this_tree.id2path(file_id) == new_path
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if e.errno != errno.EEXIST and e.errno != errno.ENOTEMPTY:
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return self.add_suffix(name, suffix, last_new_name=new_name,
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fix_inventory=fix_inventory)
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def conflict(self, text):
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def merge_conflict(self, new_file, this_path, base_lines, other_lines):
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Handle diff3 conflicts by producing a .THIS, .BASE and .OTHER. The
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main file will be a version with diff3 conflicts.
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:param new_file: Path to the output file with diff3 markers
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:param this_path: Path to the file text for the THIS tree
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:param base_path: Path to the file text for the BASE tree
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:param other_path: Path to the file text for the OTHER tree
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self.add_suffix(this_path, ".THIS", fix_inventory=False)
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self.dump(base_lines, this_path+".BASE")
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self.dump(other_lines, this_path+".OTHER")
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rename(new_file, this_path)
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self.conflict("Diff3 conflict encountered in %s" % this_path)
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def weave_merge_conflict(self, filename, weave, other_i, out_file):
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Handle weave conflicts by producing a .THIS, and .OTHER. The
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main file will be a version with diff3-style conflicts.
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self.add_suffix(filename, ".THIS", fix_inventory=False)
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self.dump(weave.get_iter(other_i), filename+".OTHER")
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self.conflict("Text conflict encountered in %s" % filename)
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def new_contents_conflict(self, filename, other_contents):
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"""Conflicting contents for newly added file."""
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other_contents(filename + ".OTHER", self, False)
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self.conflict("Conflict in newly added file %s" % filename)
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def target_exists(self, entry, target, old_path):
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"""Handle the case when the target file or dir exists"""
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moved_path = self.add_suffix(target, ".moved")
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self.conflict("Moved existing %s to %s" % (target, moved_path))
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def rmdir_non_empty(self, filename):
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"""Handle the case where the dir to be removed still has contents"""
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self.conflict("Directory %s not removed because it is not empty"\
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def rem_contents_conflict(self, filename, this_contents, base_contents):
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base_contents(filename+".BASE", self)
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this_contents(filename+".THIS", self)
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self.conflict("Other branch deleted locally modified file %s" %
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return ReplaceContents(this_contents, None)
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def abs_this_path(self, file_id):
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"""Return the absolute path for a file_id in the this tree."""
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return self.this_tree.id2abspath(file_id)
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def add_missing_parents(self, file_id, tree):
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"""If some of the parents for file_id are missing, add them."""
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entry = tree.inventory[file_id]
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if entry.parent_id not in self.this_tree:
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return self.create_all_missing(entry.parent_id, tree)
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return self.abs_this_path(entry.parent_id)
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def create_all_missing(self, file_id, tree):
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"""Add contents for a file_id and all its parents to a tree."""
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entry = tree.inventory[file_id]
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if entry.parent_id is not None and entry.parent_id not in self.this_tree:
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abspath = self.create_all_missing(entry.parent_id, tree)
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abspath = self.abs_this_path(entry.parent_id)
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entry_path = pathjoin(abspath, entry.name)
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if not os.path.isdir(entry_path):
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self.create(file_id, entry_path, tree)
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def create(self, file_id, path, tree):
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"""Uses tree data to create a filesystem object for the file_id"""
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from bzrlib._changeset import get_contents
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get_contents(tree, file_id)(path, self)
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def missing_for_merge(self, file_id, other_path):
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"""The file_id doesn't exist in THIS, but does in OTHER and BASE"""
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self.conflict("Other branch modified locally deleted file %s" %
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parent_dir = self.add_missing_parents(file_id, self.other_tree)
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stem = pathjoin(parent_dir, os.path.basename(other_path))
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self.create(file_id, stem+".OTHER", self.other_tree)
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self.create(file_id, stem+".BASE", self.base_tree)
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def threeway_contents_conflict(filename, this_contents, base_contents,
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self.conflict("Three-way conflict merging %s" % filename)
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if self.conflicts == 0:
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if not self.ignore_zero:
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note("All changes applied successfully.")
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note("%d conflicts encountered." % self.conflicts)
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def _get_tree(treespec, local_branch=None):
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location, revno = treespec
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branch = Branch.open_containing(location)[0]
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return new_inventory_list
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merge_types = { "merge3": (ApplyMerge3, "Native diff3-style merge"),
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"diff3": (Diff3Merge, "Merge using external diff3"),
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'weave': (WeaveMerge, "Weave-based merge")
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class Merge3Merger(object):
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"""Three-way merger that uses the merge3 text merger"""
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supports_reprocess = True
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supports_show_base = True
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history_based = False
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def __init__(self, working_tree, this_tree, base_tree, other_tree,
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interesting_ids=None, reprocess=False, show_base=False,
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pb=DummyProgress(), pp=None):
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"""Initialize the merger object and perform the merge."""
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object.__init__(self)
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self.this_tree = working_tree
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self.base_tree = base_tree
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self.other_tree = other_tree
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self._raw_conflicts = []
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self.cooked_conflicts = []
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self.reprocess = reprocess
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self.show_base = show_base
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self.pp = ProgressPhase("Merge phase", 3, self.pb)
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if interesting_ids is not None:
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all_ids = interesting_ids
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all_ids = set(base_tree)
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all_ids.update(other_tree)
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working_tree.lock_write()
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self.tt = TreeTransform(working_tree, self.pb)
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child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
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for num, file_id in enumerate(all_ids):
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child_pb.update('Preparing file merge', num, len(all_ids))
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self.merge_names(file_id)
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file_status = self.merge_contents(file_id)
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self.merge_executable(file_id, file_status)
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child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
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fs_conflicts = resolve_conflicts(self.tt, child_pb)
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self.cook_conflicts(fs_conflicts)
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for conflict in self.cooked_conflicts:
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results = self.tt.apply()
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self.write_modified(results)
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working_tree.set_conflicts(ConflictList(self.cooked_conflicts))
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except UnsupportedOperation:
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working_tree.unlock()
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def write_modified(self, results):
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for path in results.modified_paths:
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file_id = self.this_tree.path2id(self.this_tree.relpath(path))
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hash = self.this_tree.get_file_sha1(file_id)
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modified_hashes[file_id] = hash
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self.this_tree.set_merge_modified(modified_hashes)
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def parent(entry, file_id):
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"""Determine the parent for a file_id (used as a key method)"""
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return entry.parent_id
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def name(entry, file_id):
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"""Determine the name for a file_id (used as a key method)"""
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def contents_sha1(tree, file_id):
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"""Determine the sha1 of the file contents (used as a key method)."""
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if file_id not in tree:
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return tree.get_file_sha1(file_id)
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def executable(tree, file_id):
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"""Determine the executability of a file-id (used as a key method)."""
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if file_id not in tree:
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if tree.kind(file_id) != "file":
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return tree.is_executable(file_id)
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def kind(tree, file_id):
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"""Determine the kind of a file-id (used as a key method)."""
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if file_id not in tree:
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return tree.kind(file_id)
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def scalar_three_way(this_tree, base_tree, other_tree, file_id, key):
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"""Do a three-way test on a scalar.
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Return "this", "other" or "conflict", depending whether a value wins.
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key_base = key(base_tree, file_id)
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key_other = key(other_tree, file_id)
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#if base == other, either they all agree, or only THIS has changed.
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if key_base == key_other:
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key_this = key(this_tree, file_id)
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if key_this not in (key_base, key_other):
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# "Ambiguous clean merge"
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elif key_this == key_other:
471
assert key_this == key_base
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def merge_names(self, file_id):
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"""Perform a merge on file_id names and parents"""
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if file_id in tree.inventory:
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return tree.inventory[file_id]
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this_entry = get_entry(self.this_tree)
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other_entry = get_entry(self.other_tree)
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base_entry = get_entry(self.base_tree)
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name_winner = self.scalar_three_way(this_entry, base_entry,
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other_entry, file_id, self.name)
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parent_id_winner = self.scalar_three_way(this_entry, base_entry,
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other_entry, file_id,
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if this_entry is None:
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if name_winner == "this":
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name_winner = "other"
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if parent_id_winner == "this":
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parent_id_winner = "other"
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if name_winner == "this" and parent_id_winner == "this":
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if name_winner == "conflict":
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trans_id = self.tt.trans_id_file_id(file_id)
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self._raw_conflicts.append(('name conflict', trans_id,
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self.name(this_entry, file_id),
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self.name(other_entry, file_id)))
501
if parent_id_winner == "conflict":
502
trans_id = self.tt.trans_id_file_id(file_id)
503
self._raw_conflicts.append(('parent conflict', trans_id,
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self.parent(this_entry, file_id),
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self.parent(other_entry, file_id)))
506
if other_entry is None:
507
# it doesn't matter whether the result was 'other' or
508
# 'conflict'-- if there's no 'other', we leave it alone.
510
# if we get here, name_winner and parent_winner are set to safe values.
511
winner_entry = {"this": this_entry, "other": other_entry,
512
"conflict": other_entry}
513
trans_id = self.tt.trans_id_file_id(file_id)
514
parent_id = winner_entry[parent_id_winner].parent_id
515
parent_trans_id = self.tt.trans_id_file_id(parent_id)
516
self.tt.adjust_path(winner_entry[name_winner].name, parent_trans_id,
519
def merge_contents(self, file_id):
520
"""Performa a merge on file_id contents."""
521
def contents_pair(tree):
522
if file_id not in tree:
524
kind = tree.kind(file_id)
525
if kind == "root_directory":
528
contents = tree.get_file_sha1(file_id)
529
elif kind == "symlink":
530
contents = tree.get_symlink_target(file_id)
533
return kind, contents
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def contents_conflict():
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trans_id = self.tt.trans_id_file_id(file_id)
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name = self.tt.final_name(trans_id)
538
parent_id = self.tt.final_parent(trans_id)
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if file_id in self.this_tree.inventory:
540
self.tt.unversion_file(trans_id)
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self.tt.delete_contents(trans_id)
542
file_group = self._dump_conflicts(name, parent_id, file_id,
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self._raw_conflicts.append(('contents conflict', file_group))
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# See SPOT run. run, SPOT, run.
547
# So we're not QUITE repeating ourselves; we do tricky things with
549
base_pair = contents_pair(self.base_tree)
550
other_pair = contents_pair(self.other_tree)
551
if base_pair == other_pair:
552
# OTHER introduced no changes
554
this_pair = contents_pair(self.this_tree)
555
if this_pair == other_pair:
556
# THIS and OTHER introduced the same changes
559
trans_id = self.tt.trans_id_file_id(file_id)
560
if this_pair == base_pair:
561
# only OTHER introduced changes
562
if file_id in self.this_tree:
563
# Remove any existing contents
564
self.tt.delete_contents(trans_id)
565
if file_id in self.other_tree:
566
# OTHER changed the file
567
create_by_entry(self.tt,
568
self.other_tree.inventory[file_id],
569
self.other_tree, trans_id)
570
if file_id not in self.this_tree.inventory:
571
self.tt.version_file(file_id, trans_id)
573
elif file_id in self.this_tree.inventory:
574
# OTHER deleted the file
575
self.tt.unversion_file(trans_id)
577
#BOTH THIS and OTHER introduced changes; scalar conflict
578
elif this_pair[0] == "file" and other_pair[0] == "file":
579
# THIS and OTHER are both files, so text merge. Either
580
# BASE is a file, or both converted to files, so at least we
581
# have agreement that output should be a file.
583
self.text_merge(file_id, trans_id)
585
return contents_conflict()
586
if file_id not in self.this_tree.inventory:
587
self.tt.version_file(file_id, trans_id)
589
self.tt.tree_kind(trans_id)
590
self.tt.delete_contents(trans_id)
595
# Scalar conflict, can't text merge. Dump conflicts
596
return contents_conflict()
598
def get_lines(self, tree, file_id):
599
"""Return the lines in a file, or an empty list."""
601
return tree.get_file(file_id).readlines()
605
def text_merge(self, file_id, trans_id):
606
"""Perform a three-way text merge on a file_id"""
607
# it's possible that we got here with base as a different type.
608
# if so, we just want two-way text conflicts.
609
if file_id in self.base_tree and \
610
self.base_tree.kind(file_id) == "file":
611
base_lines = self.get_lines(self.base_tree, file_id)
614
other_lines = self.get_lines(self.other_tree, file_id)
615
this_lines = self.get_lines(self.this_tree, file_id)
616
m3 = Merge3(base_lines, this_lines, other_lines)
617
start_marker = "!START OF MERGE CONFLICT!" + "I HOPE THIS IS UNIQUE"
618
if self.show_base is True:
619
base_marker = '|' * 7
623
def iter_merge3(retval):
624
retval["text_conflicts"] = False
625
for line in m3.merge_lines(name_a = "TREE",
626
name_b = "MERGE-SOURCE",
627
name_base = "BASE-REVISION",
628
start_marker=start_marker,
629
base_marker=base_marker,
630
reprocess=self.reprocess):
631
if line.startswith(start_marker):
632
retval["text_conflicts"] = True
633
yield line.replace(start_marker, '<' * 7)
637
merge3_iterator = iter_merge3(retval)
638
self.tt.create_file(merge3_iterator, trans_id)
639
if retval["text_conflicts"] is True:
640
self._raw_conflicts.append(('text conflict', trans_id))
641
name = self.tt.final_name(trans_id)
642
parent_id = self.tt.final_parent(trans_id)
643
file_group = self._dump_conflicts(name, parent_id, file_id,
644
this_lines, base_lines,
646
file_group.append(trans_id)
648
def _dump_conflicts(self, name, parent_id, file_id, this_lines=None,
649
base_lines=None, other_lines=None, set_version=False,
651
"""Emit conflict files.
652
If this_lines, base_lines, or other_lines are omitted, they will be
653
determined automatically. If set_version is true, the .OTHER, .THIS
654
or .BASE (in that order) will be created as versioned files.
656
data = [('OTHER', self.other_tree, other_lines),
657
('THIS', self.this_tree, this_lines)]
659
data.append(('BASE', self.base_tree, base_lines))
662
for suffix, tree, lines in data:
664
trans_id = self._conflict_file(name, parent_id, tree, file_id,
666
file_group.append(trans_id)
667
if set_version and not versioned:
668
self.tt.version_file(file_id, trans_id)
672
def _conflict_file(self, name, parent_id, tree, file_id, suffix,
674
"""Emit a single conflict file."""
675
name = name + '.' + suffix
676
trans_id = self.tt.create_path(name, parent_id)
677
entry = tree.inventory[file_id]
678
create_by_entry(self.tt, entry, tree, trans_id, lines)
681
def merge_executable(self, file_id, file_status):
682
"""Perform a merge on the execute bit."""
683
if file_status == "deleted":
685
trans_id = self.tt.trans_id_file_id(file_id)
687
if self.tt.final_kind(trans_id) != "file":
691
winner = self.scalar_three_way(self.this_tree, self.base_tree,
692
self.other_tree, file_id,
694
if winner == "conflict":
695
# There must be a None in here, if we have a conflict, but we
696
# need executability since file status was not deleted.
697
if self.other_tree.is_executable(file_id) is None:
702
if file_status == "modified":
703
executability = self.this_tree.is_executable(file_id)
704
if executability is not None:
705
trans_id = self.tt.trans_id_file_id(file_id)
706
self.tt.set_executability(executability, trans_id)
708
assert winner == "other"
709
if file_id in self.other_tree:
710
executability = self.other_tree.is_executable(file_id)
711
elif file_id in self.this_tree:
712
executability = self.this_tree.is_executable(file_id)
713
elif file_id in self.base_tree:
714
executability = self.base_tree.is_executable(file_id)
715
if executability is not None:
716
trans_id = self.tt.trans_id_file_id(file_id)
717
self.tt.set_executability(executability, trans_id)
719
def cook_conflicts(self, fs_conflicts):
720
"""Convert all conflicts into a form that doesn't depend on trans_id"""
721
from conflicts import Conflict
723
self.cooked_conflicts.extend(cook_conflicts(fs_conflicts, self.tt))
724
fp = FinalPaths(self.tt)
725
for conflict in self._raw_conflicts:
726
conflict_type = conflict[0]
727
if conflict_type in ('name conflict', 'parent conflict'):
728
trans_id = conflict[1]
729
conflict_args = conflict[2:]
730
if trans_id not in name_conflicts:
731
name_conflicts[trans_id] = {}
732
unique_add(name_conflicts[trans_id], conflict_type,
734
if conflict_type == 'contents conflict':
735
for trans_id in conflict[1]:
736
file_id = self.tt.final_file_id(trans_id)
737
if file_id is not None:
739
path = fp.get_path(trans_id)
740
for suffix in ('.BASE', '.THIS', '.OTHER'):
741
if path.endswith(suffix):
742
path = path[:-len(suffix)]
744
c = Conflict.factory(conflict_type, path=path, file_id=file_id)
745
self.cooked_conflicts.append(c)
746
if conflict_type == 'text conflict':
747
trans_id = conflict[1]
748
path = fp.get_path(trans_id)
749
file_id = self.tt.final_file_id(trans_id)
750
c = Conflict.factory(conflict_type, path=path, file_id=file_id)
751
self.cooked_conflicts.append(c)
753
for trans_id, conflicts in name_conflicts.iteritems():
755
this_parent, other_parent = conflicts['parent conflict']
756
assert this_parent != other_parent
758
this_parent = other_parent = \
759
self.tt.final_file_id(self.tt.final_parent(trans_id))
761
this_name, other_name = conflicts['name conflict']
762
assert this_name != other_name
764
this_name = other_name = self.tt.final_name(trans_id)
765
other_path = fp.get_path(trans_id)
766
if this_parent is not None:
768
fp.get_path(self.tt.trans_id_file_id(this_parent))
769
this_path = pathjoin(this_parent_path, this_name)
771
this_path = "<deleted>"
772
file_id = self.tt.final_file_id(trans_id)
773
c = Conflict.factory('path conflict', path=this_path,
774
conflict_path=other_path, file_id=file_id)
775
self.cooked_conflicts.append(c)
776
self.cooked_conflicts.sort(key=Conflict.sort_key)
779
class WeaveMerger(Merge3Merger):
780
"""Three-way tree merger, text weave merger."""
781
supports_reprocess = True
782
supports_show_base = False
784
def __init__(self, working_tree, this_tree, base_tree, other_tree,
785
interesting_ids=None, pb=DummyProgress(), pp=None,
787
self.this_revision_tree = self._get_revision_tree(this_tree)
788
self.other_revision_tree = self._get_revision_tree(other_tree)
789
super(WeaveMerger, self).__init__(working_tree, this_tree,
790
base_tree, other_tree,
791
interesting_ids=interesting_ids,
792
pb=pb, pp=pp, reprocess=reprocess)
794
def _get_revision_tree(self, tree):
795
"""Return a revision tree releated to this tree.
796
If the tree is a WorkingTree, the basis will be returned.
798
if getattr(tree, 'get_weave', False) is False:
799
# If we have a WorkingTree, try using the basis
800
return tree.branch.basis_tree()
804
def _check_file(self, file_id):
805
"""Check that the revision tree's version of the file matches."""
806
for tree, rt in ((self.this_tree, self.this_revision_tree),
807
(self.other_tree, self.other_revision_tree)):
810
if tree.get_file_sha1(file_id) != rt.get_file_sha1(file_id):
811
raise WorkingTreeNotRevision(self.this_tree)
813
def _merged_lines(self, file_id):
814
"""Generate the merged lines.
815
There is no distinction between lines that are meant to contain <<<<<<<
818
weave = self.this_revision_tree.get_weave(file_id)
819
this_revision_id = self.this_revision_tree.inventory[file_id].revision
820
other_revision_id = \
821
self.other_revision_tree.inventory[file_id].revision
822
wm = WeaveMerge(weave, this_revision_id, other_revision_id,
823
'<<<<<<< TREE\n', '>>>>>>> MERGE-SOURCE\n')
824
return wm.merge_lines(self.reprocess)
826
def text_merge(self, file_id, trans_id):
827
"""Perform a (weave) text merge for a given file and file-id.
828
If conflicts are encountered, .THIS and .OTHER files will be emitted,
829
and a conflict will be noted.
831
self._check_file(file_id)
832
lines, conflicts = self._merged_lines(file_id)
834
# Note we're checking whether the OUTPUT is binary in this case,
835
# because we don't want to get into weave merge guts.
836
check_text_lines(lines)
837
self.tt.create_file(lines, trans_id)
839
self._raw_conflicts.append(('text conflict', trans_id))
840
name = self.tt.final_name(trans_id)
841
parent_id = self.tt.final_parent(trans_id)
842
file_group = self._dump_conflicts(name, parent_id, file_id,
844
file_group.append(trans_id)
847
class Diff3Merger(Merge3Merger):
848
"""Three-way merger using external diff3 for text merging"""
849
def dump_file(self, temp_dir, name, tree, file_id):
850
out_path = pathjoin(temp_dir, name)
851
out_file = file(out_path, "wb")
852
in_file = tree.get_file(file_id)
857
def text_merge(self, file_id, trans_id):
858
"""Perform a diff3 merge using a specified file-id and trans-id.
859
If conflicts are encountered, .BASE, .THIS. and .OTHER conflict files
860
will be dumped, and a will be conflict noted.
863
temp_dir = mkdtemp(prefix="bzr-")
865
new_file = pathjoin(temp_dir, "new")
866
this = self.dump_file(temp_dir, "this", self.this_tree, file_id)
867
base = self.dump_file(temp_dir, "base", self.base_tree, file_id)
868
other = self.dump_file(temp_dir, "other", self.other_tree, file_id)
869
status = bzrlib.patch.diff3(new_file, this, base, other)
870
if status not in (0, 1):
871
raise BzrError("Unhandled diff3 exit code")
872
self.tt.create_file(file(new_file, "rb"), trans_id)
874
name = self.tt.final_name(trans_id)
875
parent_id = self.tt.final_parent(trans_id)
876
self._dump_conflicts(name, parent_id, file_id)
877
self._raw_conflicts.append(('text conflict', trans_id))
882
def merge_inner(this_branch, other_tree, base_tree, ignore_zero=False,
884
merge_type=Merge3Merger,
885
interesting_ids=None,
889
interesting_files=None,
892
"""Primary interface for merging.
894
typical use is probably
895
'merge_inner(branch, branch.get_revision_tree(other_revision),
896
branch.get_revision_tree(base_revision))'
898
if this_tree is None:
899
warn("bzrlib.merge.merge_inner requires a this_tree parameter as of "
900
"bzrlib version 0.8.",
903
this_tree = this_branch.bzrdir.open_workingtree()
904
merger = Merger(this_branch, other_tree, base_tree, this_tree=this_tree,
906
merger.backup_files = backup_files
907
merger.merge_type = merge_type
908
merger.interesting_ids = interesting_ids
909
merger.ignore_zero = ignore_zero
910
if interesting_files:
911
assert not interesting_ids, ('Only supply interesting_ids'
912
' or interesting_files')
913
merger._set_interesting_files(interesting_files)
914
merger.show_base = show_base
915
merger.reprocess = reprocess
916
merger.other_rev_id = other_rev_id
917
merger.other_basis = other_rev_id
918
return merger.do_merge()
921
merge_types = { "merge3": (Merge3Merger, "Native diff3-style merge"),
922
"diff3": (Diff3Merger, "Merge using external diff3"),
923
'weave': (WeaveMerger, "Weave-based merge")
927
def merge_type_help():
928
templ = '%s%%7s: %%s' % (' '*12)
929
lines = [templ % (f[0], f[1][1]) for f in merge_types.iteritems()]
930
return '\n'.join(lines)
added
removed
bzrlib/merge.py
