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from __future__ import absolute_import
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import errno
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import shutil
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import struct
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from .i18n import _
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from .node import (
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bin,
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hex,
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nullhex,
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nullid,
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)
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from .pycompat import delattr
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from . import (
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error,
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filemerge,
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pycompat,
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util,
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)
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from .utils import hashutil
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_pack = struct.pack
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_unpack = struct.unpack
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def _droponode(data):
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# used for compatibility for v1
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bits = data.split(b'\0')
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bits = bits[:-2] + bits[-1:]
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return b'\0'.join(bits)
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def _filectxorabsent(hexnode, ctx, f):
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if hexnode == nullhex:
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return filemerge.absentfilectx(ctx, f)
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else:
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return ctx[f]
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# Merge state record types. See ``mergestate`` docs for more.
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####
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# merge records which records metadata about a current merge
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# exists only once in a mergestate
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#####
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RECORD_LOCAL = b'L'
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RECORD_OTHER = b'O'
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# record merge labels
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RECORD_LABELS = b'l'
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# store info about merge driver used and it's state
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RECORD_MERGE_DRIVER_STATE = b'm'
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#####
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# record extra information about files, with one entry containing info about one
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# file. Hence, multiple of them can exists
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#####
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RECORD_FILE_VALUES = b'f'
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#####
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# merge records which represents state of individual merges of files/folders
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# These are top level records for each entry containing merge related info.
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# Each record of these has info about one file. Hence multiple of them can
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# exists
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#####
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RECORD_MERGED = b'F'
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RECORD_CHANGEDELETE_CONFLICT = b'C'
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RECORD_MERGE_DRIVER_MERGE = b'D'
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# the path was dir on one side of merge and file on another
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RECORD_PATH_CONFLICT = b'P'
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#####
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# possible state which a merge entry can have. These are stored inside top-level
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# merge records mentioned just above.
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#####
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MERGE_RECORD_UNRESOLVED = b'u'
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MERGE_RECORD_RESOLVED = b'r'
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MERGE_RECORD_UNRESOLVED_PATH = b'pu'
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MERGE_RECORD_RESOLVED_PATH = b'pr'
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MERGE_RECORD_DRIVER_RESOLVED = b'd'
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# represents that the file was automatically merged in favor
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# of other version. This info is used on commit.
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MERGE_RECORD_MERGED_OTHER = b'o'
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#####
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# top level record which stores other unknown records. Multiple of these can
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# exists
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#####
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RECORD_OVERRIDE = b't'
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#####
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# possible states which a merge driver can have. These are stored inside a
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# RECORD_MERGE_DRIVER_STATE entry
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#####
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MERGE_DRIVER_STATE_UNMARKED = b'u'
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MERGE_DRIVER_STATE_MARKED = b'm'
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MERGE_DRIVER_STATE_SUCCESS = b's'
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#####
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# legacy records which are no longer used but kept to prevent breaking BC
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#####
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# This record was release in 5.4 and usage was removed in 5.5
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LEGACY_RECORD_RESOLVED_OTHER = b'R'
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ACTION_FORGET = b'f'
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ACTION_REMOVE = b'r'
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ACTION_ADD = b'a'
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ACTION_GET = b'g'
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ACTION_PATH_CONFLICT = b'p'
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ACTION_PATH_CONFLICT_RESOLVE = b'pr'
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ACTION_ADD_MODIFIED = b'am'
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ACTION_CREATED = b'c'
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ACTION_DELETED_CHANGED = b'dc'
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ACTION_CHANGED_DELETED = b'cd'
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ACTION_MERGE = b'm'
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ACTION_LOCAL_DIR_RENAME_GET = b'dg'
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ACTION_DIR_RENAME_MOVE_LOCAL = b'dm'
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ACTION_KEEP = b'k'
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ACTION_EXEC = b'e'
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ACTION_CREATED_MERGE = b'cm'
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class mergestate(object):
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'''track 3-way merge state of individual files
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The merge state is stored on disk when needed. Two files are used: one with
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an old format (version 1), and one with a new format (version 2). Version 2
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stores a superset of the data in version 1, including new kinds of records
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in the future. For more about the new format, see the documentation for
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`_readrecordsv2`.
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Each record can contain arbitrary content, and has an associated type. This
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`type` should be a letter. If `type` is uppercase, the record is mandatory:
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versions of Mercurial that don't support it should abort. If `type` is
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lowercase, the record can be safely ignored.
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Currently known records:
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L: the node of the "local" part of the merge (hexified version)
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O: the node of the "other" part of the merge (hexified version)
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F: a file to be merged entry
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C: a change/delete or delete/change conflict
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D: a file that the external merge driver will merge internally
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(experimental)
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P: a path conflict (file vs directory)
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m: the external merge driver defined for this merge plus its run state
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(experimental)
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f: a (filename, dictionary) tuple of optional values for a given file
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l: the labels for the parts of the merge.
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Merge driver run states (experimental):
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u: driver-resolved files unmarked -- needs to be run next time we're about
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to resolve or commit
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m: driver-resolved files marked -- only needs to be run before commit
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s: success/skipped -- does not need to be run any more
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Merge record states (stored in self._state, indexed by filename):
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u: unresolved conflict
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r: resolved conflict
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pu: unresolved path conflict (file conflicts with directory)
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pr: resolved path conflict
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d: driver-resolved conflict
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The resolve command transitions between 'u' and 'r' for conflicts and
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'pu' and 'pr' for path conflicts.
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'''
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statepathv1 = b'merge/state'
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statepathv2 = b'merge/state2'
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@staticmethod
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def clean(repo, node=None, other=None, labels=None):
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"""Initialize a brand new merge state, removing any existing state on
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disk."""
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ms = mergestate(repo)
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ms.reset(node, other, labels)
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return ms
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@staticmethod
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def read(repo):
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"""Initialize the merge state, reading it from disk."""
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ms = mergestate(repo)
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ms._read()
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return ms
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def __init__(self, repo):
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"""Initialize the merge state.
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Do not use this directly! Instead call read() or clean()."""
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self._repo = repo
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self._dirty = False
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self._labels = None
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def reset(self, node=None, other=None, labels=None):
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self._state = {}
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self._stateextras = {}
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self._local = None
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self._other = None
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self._labels = labels
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for var in ('localctx', 'otherctx'):
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if var in vars(self):
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delattr(self, var)
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if node:
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self._local = node
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self._other = other
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self._readmergedriver = None
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if self.mergedriver:
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self._mdstate = MERGE_DRIVER_STATE_SUCCESS
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else:
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self._mdstate = MERGE_DRIVER_STATE_UNMARKED
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shutil.rmtree(self._repo.vfs.join(b'merge'), True)
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self._results = {}
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self._dirty = False
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def _read(self):
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"""Analyse each record content to restore a serialized state from disk
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This function process "record" entry produced by the de-serialization
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of on disk file.
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"""
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self._state = {}
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self._stateextras = {}
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self._local = None
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self._other = None
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for var in ('localctx', 'otherctx'):
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if var in vars(self):
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delattr(self, var)
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self._readmergedriver = None
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self._mdstate = MERGE_DRIVER_STATE_SUCCESS
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unsupported = set()
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records = self._readrecords()
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for rtype, record in records:
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if rtype == RECORD_LOCAL:
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self._local = bin(record)
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elif rtype == RECORD_OTHER:
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self._other = bin(record)
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elif rtype == RECORD_MERGE_DRIVER_STATE:
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bits = record.split(b'\0', 1)
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mdstate = bits[1]
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if len(mdstate) != 1 or mdstate not in (
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MERGE_DRIVER_STATE_UNMARKED,
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MERGE_DRIVER_STATE_MARKED,
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MERGE_DRIVER_STATE_SUCCESS,
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):
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# the merge driver should be idempotent, so just rerun it
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mdstate = MERGE_DRIVER_STATE_UNMARKED
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self._readmergedriver = bits[0]
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self._mdstate = mdstate
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elif rtype in (
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RECORD_MERGED,
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RECORD_CHANGEDELETE_CONFLICT,
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RECORD_PATH_CONFLICT,
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RECORD_MERGE_DRIVER_MERGE,
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LEGACY_RECORD_RESOLVED_OTHER,
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):
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bits = record.split(b'\0')
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self._state[bits[0]] = bits[1:]
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elif rtype == RECORD_FILE_VALUES:
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filename, rawextras = record.split(b'\0', 1)
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extraparts = rawextras.split(b'\0')
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extras = {}
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i = 0
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while i < len(extraparts):
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extras[extraparts[i]] = extraparts[i + 1]
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i += 2
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self._stateextras[filename] = extras
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elif rtype == RECORD_LABELS:
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labels = record.split(b'\0', 2)
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self._labels = [l for l in labels if len(l) > 0]
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elif not rtype.islower():
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unsupported.add(rtype)
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# contains a mapping of form:
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# {filename : (merge_return_value, action_to_be_performed}
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# these are results of re-running merge process
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# this dict is used to perform actions on dirstate caused by re-running
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# the merge
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self._results = {}
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self._dirty = False
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if unsupported:
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raise error.UnsupportedMergeRecords(unsupported)
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def _readrecords(self):
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"""Read merge state from disk and return a list of record (TYPE, data)
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We read data from both v1 and v2 files and decide which one to use.
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V1 has been used by version prior to 2.9.1 and contains less data than
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v2. We read both versions and check if no data in v2 contradicts
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v1. If there is not contradiction we can safely assume that both v1
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and v2 were written at the same time and use the extract data in v2. If
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there is contradiction we ignore v2 content as we assume an old version
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of Mercurial has overwritten the mergestate file and left an old v2
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file around.
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returns list of record [(TYPE, data), ...]"""
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v1records = self._readrecordsv1()
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v2records = self._readrecordsv2()
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if self._v1v2match(v1records, v2records):
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return v2records
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else:
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# v1 file is newer than v2 file, use it
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# we have to infer the "other" changeset of the merge
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# we cannot do better than that with v1 of the format
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mctx = self._repo[None].parents()[-1]
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v1records.append((RECORD_OTHER, mctx.hex()))
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# add place holder "other" file node information
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# nobody is using it yet so we do no need to fetch the data
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# if mctx was wrong `mctx[bits[-2]]` may fails.
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for idx, r in enumerate(v1records):
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if r[0] == RECORD_MERGED:
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bits = r[1].split(b'\0')
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bits.insert(-2, b'')
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v1records[idx] = (r[0], b'\0'.join(bits))
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return v1records
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def _v1v2match(self, v1records, v2records):
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oldv2 = set() # old format version of v2 record
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for rec in v2records:
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if rec[0] == RECORD_LOCAL:
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oldv2.add(rec)
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elif rec[0] == RECORD_MERGED:
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# drop the onode data (not contained in v1)
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oldv2.add((RECORD_MERGED, _droponode(rec[1])))
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for rec in v1records:
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if rec not in oldv2:
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return False
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else:
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return True
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def _readrecordsv1(self):
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"""read on disk merge state for version 1 file
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returns list of record [(TYPE, data), ...]
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Note: the "F" data from this file are one entry short
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(no "other file node" entry)
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"""
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records = []
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try:
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f = self._repo.vfs(self.statepathv1)
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for i, l in enumerate(f):
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if i == 0:
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records.append((RECORD_LOCAL, l[:-1]))
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else:
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records.append((RECORD_MERGED, l[:-1]))
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f.close()
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except IOError as err:
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if err.errno != errno.ENOENT:
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raise
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return records
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|
|
def _readrecordsv2(self):
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"""read on disk merge state for version 2 file
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This format is a list of arbitrary records of the form:
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[type][length][content]
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`type` is a single character, `length` is a 4 byte integer, and
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`content` is an arbitrary byte sequence of length `length`.
|
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|
Mercurial versions prior to 3.7 have a bug where if there are
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unsupported mandatory merge records, attempting to clear out the merge
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state with hg update --clean or similar aborts. The 't' record type
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|
works around that by writing out what those versions treat as an
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|
advisory record, but later versions interpret as special: the first
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character is the 'real' record type and everything onwards is the data.
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Returns list of records [(TYPE, data), ...]."""
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records = []
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try:
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f = self._repo.vfs(self.statepathv2)
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data = f.read()
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off = 0
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end = len(data)
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|
while off < end:
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rtype = data[off : off + 1]
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off += 1
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length = _unpack(b'>I', data[off : (off + 4)])[0]
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off += 4
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record = data[off : (off + length)]
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off += length
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if rtype == RECORD_OVERRIDE:
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|
rtype, record = record[0:1], record[1:]
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records.append((rtype, record))
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|
f.close()
|
|
|
except IOError as err:
|
|
|
if err.errno != errno.ENOENT:
|
|
|
raise
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|
|
return records
|
|
|
|
|
|
@util.propertycache
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|
|
def mergedriver(self):
|
|
|
# protect against the following:
|
|
|
# - A configures a malicious merge driver in their hgrc, then
|
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|
# pauses the merge
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|
# - A edits their hgrc to remove references to the merge driver
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|
# - A gives a copy of their entire repo, including .hg, to B
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|
# - B inspects .hgrc and finds it to be clean
|
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|
# - B then continues the merge and the malicious merge driver
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|
# gets invoked
|
|
|
configmergedriver = self._repo.ui.config(
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|
b'experimental', b'mergedriver'
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|
)
|
|
|
if (
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|
self._readmergedriver is not None
|
|
|
and self._readmergedriver != configmergedriver
|
|
|
):
|
|
|
raise error.ConfigError(
|
|
|
_(b"merge driver changed since merge started"),
|
|
|
hint=_(b"revert merge driver change or abort merge"),
|
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|
)
|
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|
|
|
return configmergedriver
|
|
|
|
|
|
@util.propertycache
|
|
|
def local(self):
|
|
|
if self._local is None:
|
|
|
msg = b"local accessed but self._local isn't set"
|
|
|
raise error.ProgrammingError(msg)
|
|
|
return self._local
|
|
|
|
|
|
@util.propertycache
|
|
|
def localctx(self):
|
|
|
return self._repo[self.local]
|
|
|
|
|
|
@util.propertycache
|
|
|
def other(self):
|
|
|
if self._other is None:
|
|
|
msg = b"other accessed but self._other isn't set"
|
|
|
raise error.ProgrammingError(msg)
|
|
|
return self._other
|
|
|
|
|
|
@util.propertycache
|
|
|
def otherctx(self):
|
|
|
return self._repo[self.other]
|
|
|
|
|
|
def active(self):
|
|
|
"""Whether mergestate is active.
|
|
|
|
|
|
Returns True if there appears to be mergestate. This is a rough proxy
|
|
|
for "is a merge in progress."
|
|
|
"""
|
|
|
return bool(self._local) or bool(self._state)
|
|
|
|
|
|
def commit(self):
|
|
|
"""Write current state on disk (if necessary)"""
|
|
|
if self._dirty:
|
|
|
records = self._makerecords()
|
|
|
self._writerecords(records)
|
|
|
self._dirty = False
|
|
|
|
|
|
def _makerecords(self):
|
|
|
records = []
|
|
|
records.append((RECORD_LOCAL, hex(self._local)))
|
|
|
records.append((RECORD_OTHER, hex(self._other)))
|
|
|
if self.mergedriver:
|
|
|
records.append(
|
|
|
(
|
|
|
RECORD_MERGE_DRIVER_STATE,
|
|
|
b'\0'.join([self.mergedriver, self._mdstate]),
|
|
|
)
|
|
|
)
|
|
|
# Write out state items. In all cases, the value of the state map entry
|
|
|
# is written as the contents of the record. The record type depends on
|
|
|
# the type of state that is stored, and capital-letter records are used
|
|
|
# to prevent older versions of Mercurial that do not support the feature
|
|
|
# from loading them.
|
|
|
for filename, v in pycompat.iteritems(self._state):
|
|
|
if v[0] == MERGE_RECORD_DRIVER_RESOLVED:
|
|
|
# Driver-resolved merge. These are stored in 'D' records.
|
|
|
records.append(
|
|
|
(RECORD_MERGE_DRIVER_MERGE, b'\0'.join([filename] + v))
|
|
|
)
|
|
|
elif v[0] in (
|
|
|
MERGE_RECORD_UNRESOLVED_PATH,
|
|
|
MERGE_RECORD_RESOLVED_PATH,
|
|
|
):
|
|
|
# Path conflicts. These are stored in 'P' records. The current
|
|
|
# resolution state ('pu' or 'pr') is stored within the record.
|
|
|
records.append(
|
|
|
(RECORD_PATH_CONFLICT, b'\0'.join([filename] + v))
|
|
|
)
|
|
|
elif v[0] == MERGE_RECORD_MERGED_OTHER:
|
|
|
records.append((RECORD_MERGED, b'\0'.join([filename] + v)))
|
|
|
elif v[1] == nullhex or v[6] == nullhex:
|
|
|
# Change/Delete or Delete/Change conflicts. These are stored in
|
|
|
# 'C' records. v[1] is the local file, and is nullhex when the
|
|
|
# file is deleted locally ('dc'). v[6] is the remote file, and
|
|
|
# is nullhex when the file is deleted remotely ('cd').
|
|
|
records.append(
|
|
|
(RECORD_CHANGEDELETE_CONFLICT, b'\0'.join([filename] + v))
|
|
|
)
|
|
|
else:
|
|
|
# Normal files. These are stored in 'F' records.
|
|
|
records.append((RECORD_MERGED, b'\0'.join([filename] + v)))
|
|
|
for filename, extras in sorted(pycompat.iteritems(self._stateextras)):
|
|
|
rawextras = b'\0'.join(
|
|
|
b'%s\0%s' % (k, v) for k, v in pycompat.iteritems(extras)
|
|
|
)
|
|
|
records.append(
|
|
|
(RECORD_FILE_VALUES, b'%s\0%s' % (filename, rawextras))
|
|
|
)
|
|
|
if self._labels is not None:
|
|
|
labels = b'\0'.join(self._labels)
|
|
|
records.append((RECORD_LABELS, labels))
|
|
|
return records
|
|
|
|
|
|
def _writerecords(self, records):
|
|
|
"""Write current state on disk (both v1 and v2)"""
|
|
|
self._writerecordsv1(records)
|
|
|
self._writerecordsv2(records)
|
|
|
|
|
|
def _writerecordsv1(self, records):
|
|
|
"""Write current state on disk in a version 1 file"""
|
|
|
f = self._repo.vfs(self.statepathv1, b'wb')
|
|
|
irecords = iter(records)
|
|
|
lrecords = next(irecords)
|
|
|
assert lrecords[0] == RECORD_LOCAL
|
|
|
f.write(hex(self._local) + b'\n')
|
|
|
for rtype, data in irecords:
|
|
|
if rtype == RECORD_MERGED:
|
|
|
f.write(b'%s\n' % _droponode(data))
|
|
|
f.close()
|
|
|
|
|
|
def _writerecordsv2(self, records):
|
|
|
"""Write current state on disk in a version 2 file
|
|
|
|
|
|
See the docstring for _readrecordsv2 for why we use 't'."""
|
|
|
# these are the records that all version 2 clients can read
|
|
|
allowlist = (RECORD_LOCAL, RECORD_OTHER, RECORD_MERGED)
|
|
|
f = self._repo.vfs(self.statepathv2, b'wb')
|
|
|
for key, data in records:
|
|
|
assert len(key) == 1
|
|
|
if key not in allowlist:
|
|
|
key, data = RECORD_OVERRIDE, b'%s%s' % (key, data)
|
|
|
format = b'>sI%is' % len(data)
|
|
|
f.write(_pack(format, key, len(data), data))
|
|
|
f.close()
|
|
|
|
|
|
@staticmethod
|
|
|
def getlocalkey(path):
|
|
|
"""hash the path of a local file context for storage in the .hg/merge
|
|
|
directory."""
|
|
|
|
|
|
return hex(hashutil.sha1(path).digest())
|
|
|
|
|
|
def add(self, fcl, fco, fca, fd):
|
|
|
"""add a new (potentially?) conflicting file the merge state
|
|
|
fcl: file context for local,
|
|
|
fco: file context for remote,
|
|
|
fca: file context for ancestors,
|
|
|
fd: file path of the resulting merge.
|
|
|
|
|
|
note: also write the local version to the `.hg/merge` directory.
|
|
|
"""
|
|
|
if fcl.isabsent():
|
|
|
localkey = nullhex
|
|
|
else:
|
|
|
localkey = mergestate.getlocalkey(fcl.path())
|
|
|
self._repo.vfs.write(b'merge/' + localkey, fcl.data())
|
|
|
self._state[fd] = [
|
|
|
MERGE_RECORD_UNRESOLVED,
|
|
|
localkey,
|
|
|
fcl.path(),
|
|
|
fca.path(),
|
|
|
hex(fca.filenode()),
|
|
|
fco.path(),
|
|
|
hex(fco.filenode()),
|
|
|
fcl.flags(),
|
|
|
]
|
|
|
self._stateextras[fd] = {b'ancestorlinknode': hex(fca.node())}
|
|
|
self._dirty = True
|
|
|
|
|
|
def addpathconflict(self, path, frename, forigin):
|
|
|
"""add a new conflicting path to the merge state
|
|
|
path: the path that conflicts
|
|
|
frename: the filename the conflicting file was renamed to
|
|
|
forigin: origin of the file ('l' or 'r' for local/remote)
|
|
|
"""
|
|
|
self._state[path] = [MERGE_RECORD_UNRESOLVED_PATH, frename, forigin]
|
|
|
self._dirty = True
|
|
|
|
|
|
def addmergedother(self, path):
|
|
|
self._state[path] = [MERGE_RECORD_MERGED_OTHER, nullhex, nullhex]
|
|
|
self._dirty = True
|
|
|
|
|
|
def __contains__(self, dfile):
|
|
|
return dfile in self._state
|
|
|
|
|
|
def __getitem__(self, dfile):
|
|
|
return self._state[dfile][0]
|
|
|
|
|
|
def __iter__(self):
|
|
|
return iter(sorted(self._state))
|
|
|
|
|
|
def files(self):
|
|
|
return self._state.keys()
|
|
|
|
|
|
def mark(self, dfile, state):
|
|
|
self._state[dfile][0] = state
|
|
|
self._dirty = True
|
|
|
|
|
|
def mdstate(self):
|
|
|
return self._mdstate
|
|
|
|
|
|
def unresolved(self):
|
|
|
"""Obtain the paths of unresolved files."""
|
|
|
|
|
|
for f, entry in pycompat.iteritems(self._state):
|
|
|
if entry[0] in (
|
|
|
MERGE_RECORD_UNRESOLVED,
|
|
|
MERGE_RECORD_UNRESOLVED_PATH,
|
|
|
):
|
|
|
yield f
|
|
|
|
|
|
def driverresolved(self):
|
|
|
"""Obtain the paths of driver-resolved files."""
|
|
|
|
|
|
for f, entry in self._state.items():
|
|
|
if entry[0] == MERGE_RECORD_DRIVER_RESOLVED:
|
|
|
yield f
|
|
|
|
|
|
def extras(self, filename):
|
|
|
return self._stateextras.setdefault(filename, {})
|
|
|
|
|
|
def _resolve(self, preresolve, dfile, wctx):
|
|
|
"""rerun merge process for file path `dfile`.
|
|
|
Returns whether the merge was completed and the return value of merge
|
|
|
obtained from filemerge._filemerge().
|
|
|
"""
|
|
|
if self[dfile] in (MERGE_RECORD_RESOLVED, MERGE_RECORD_DRIVER_RESOLVED):
|
|
|
return True, 0
|
|
|
if self._state[dfile][0] == MERGE_RECORD_MERGED_OTHER:
|
|
|
return True, 0
|
|
|
stateentry = self._state[dfile]
|
|
|
state, localkey, lfile, afile, anode, ofile, onode, flags = stateentry
|
|
|
octx = self._repo[self._other]
|
|
|
extras = self.extras(dfile)
|
|
|
anccommitnode = extras.get(b'ancestorlinknode')
|
|
|
if anccommitnode:
|
|
|
actx = self._repo[anccommitnode]
|
|
|
else:
|
|
|
actx = None
|
|
|
fcd = _filectxorabsent(localkey, wctx, dfile)
|
|
|
fco = _filectxorabsent(onode, octx, ofile)
|
|
|
# TODO: move this to filectxorabsent
|
|
|
fca = self._repo.filectx(afile, fileid=anode, changectx=actx)
|
|
|
# "premerge" x flags
|
|
|
flo = fco.flags()
|
|
|
fla = fca.flags()
|
|
|
if b'x' in flags + flo + fla and b'l' not in flags + flo + fla:
|
|
|
if fca.node() == nullid and flags != flo:
|
|
|
if preresolve:
|
|
|
self._repo.ui.warn(
|
|
|
_(
|
|
|
b'warning: cannot merge flags for %s '
|
|
|
b'without common ancestor - keeping local flags\n'
|
|
|
)
|
|
|
% afile
|
|
|
)
|
|
|
elif flags == fla:
|
|
|
flags = flo
|
|
|
if preresolve:
|
|
|
# restore local
|
|
|
if localkey != nullhex:
|
|
|
f = self._repo.vfs(b'merge/' + localkey)
|
|
|
wctx[dfile].write(f.read(), flags)
|
|
|
f.close()
|
|
|
else:
|
|
|
wctx[dfile].remove(ignoremissing=True)
|
|
|
complete, merge_ret, deleted = filemerge.premerge(
|
|
|
self._repo,
|
|
|
wctx,
|
|
|
self._local,
|
|
|
lfile,
|
|
|
fcd,
|
|
|
fco,
|
|
|
fca,
|
|
|
labels=self._labels,
|
|
|
)
|
|
|
else:
|
|
|
complete, merge_ret, deleted = filemerge.filemerge(
|
|
|
self._repo,
|
|
|
wctx,
|
|
|
self._local,
|
|
|
lfile,
|
|
|
fcd,
|
|
|
fco,
|
|
|
fca,
|
|
|
labels=self._labels,
|
|
|
)
|
|
|
if merge_ret is None:
|
|
|
# If return value of merge is None, then there are no real conflict
|
|
|
del self._state[dfile]
|
|
|
self._stateextras.pop(dfile, None)
|
|
|
self._dirty = True
|
|
|
elif not merge_ret:
|
|
|
self.mark(dfile, MERGE_RECORD_RESOLVED)
|
|
|
|
|
|
if complete:
|
|
|
action = None
|
|
|
if deleted:
|
|
|
if fcd.isabsent():
|
|
|
# dc: local picked. Need to drop if present, which may
|
|
|
# happen on re-resolves.
|
|
|
action = ACTION_FORGET
|
|
|
else:
|
|
|
# cd: remote picked (or otherwise deleted)
|
|
|
action = ACTION_REMOVE
|
|
|
else:
|
|
|
if fcd.isabsent(): # dc: remote picked
|
|
|
action = ACTION_GET
|
|
|
elif fco.isabsent(): # cd: local picked
|
|
|
if dfile in self.localctx:
|
|
|
action = ACTION_ADD_MODIFIED
|
|
|
else:
|
|
|
action = ACTION_ADD
|
|
|
# else: regular merges (no action necessary)
|
|
|
self._results[dfile] = merge_ret, action
|
|
|
|
|
|
return complete, merge_ret
|
|
|
|
|
|
def preresolve(self, dfile, wctx):
|
|
|
"""run premerge process for dfile
|
|
|
|
|
|
Returns whether the merge is complete, and the exit code."""
|
|
|
return self._resolve(True, dfile, wctx)
|
|
|
|
|
|
def resolve(self, dfile, wctx):
|
|
|
"""run merge process (assuming premerge was run) for dfile
|
|
|
|
|
|
Returns the exit code of the merge."""
|
|
|
return self._resolve(False, dfile, wctx)[1]
|
|
|
|
|
|
def counts(self):
|
|
|
"""return counts for updated, merged and removed files in this
|
|
|
session"""
|
|
|
updated, merged, removed = 0, 0, 0
|
|
|
for r, action in pycompat.itervalues(self._results):
|
|
|
if r is None:
|
|
|
updated += 1
|
|
|
elif r == 0:
|
|
|
if action == ACTION_REMOVE:
|
|
|
removed += 1
|
|
|
else:
|
|
|
merged += 1
|
|
|
return updated, merged, removed
|
|
|
|
|
|
def unresolvedcount(self):
|
|
|
"""get unresolved count for this merge (persistent)"""
|
|
|
return len(list(self.unresolved()))
|
|
|
|
|
|
def actions(self):
|
|
|
"""return lists of actions to perform on the dirstate"""
|
|
|
actions = {
|
|
|
ACTION_REMOVE: [],
|
|
|
ACTION_FORGET: [],
|
|
|
ACTION_ADD: [],
|
|
|
ACTION_ADD_MODIFIED: [],
|
|
|
ACTION_GET: [],
|
|
|
}
|
|
|
for f, (r, action) in pycompat.iteritems(self._results):
|
|
|
if action is not None:
|
|
|
actions[action].append((f, None, b"merge result"))
|
|
|
return actions
|
|
|
|
|
|
def queueremove(self, f):
|
|
|
"""queues a file to be removed from the dirstate
|
|
|
|
|
|
Meant for use by custom merge drivers."""
|
|
|
self._results[f] = 0, ACTION_REMOVE
|
|
|
|
|
|
def queueadd(self, f):
|
|
|
"""queues a file to be added to the dirstate
|
|
|
|
|
|
Meant for use by custom merge drivers."""
|
|
|
self._results[f] = 0, ACTION_ADD
|
|
|
|
|
|
def queueget(self, f):
|
|
|
"""queues a file to be marked modified in the dirstate
|
|
|
|
|
|
Meant for use by custom merge drivers."""
|
|
|
self._results[f] = 0, ACTION_GET
|
|
|
|
|
|
|
|
|
def recordupdates(repo, actions, branchmerge, getfiledata):
|
|
|
"""record merge actions to the dirstate"""
|
|
|
# remove (must come first)
|
|
|
for f, args, msg in actions.get(ACTION_REMOVE, []):
|
|
|
if branchmerge:
|
|
|
repo.dirstate.remove(f)
|
|
|
else:
|
|
|
repo.dirstate.drop(f)
|
|
|
|
|
|
# forget (must come first)
|
|
|
for f, args, msg in actions.get(ACTION_FORGET, []):
|
|
|
repo.dirstate.drop(f)
|
|
|
|
|
|
# resolve path conflicts
|
|
|
for f, args, msg in actions.get(ACTION_PATH_CONFLICT_RESOLVE, []):
|
|
|
(f0, origf0) = args
|
|
|
repo.dirstate.add(f)
|
|
|
repo.dirstate.copy(origf0, f)
|
|
|
if f0 == origf0:
|
|
|
repo.dirstate.remove(f0)
|
|
|
else:
|
|
|
repo.dirstate.drop(f0)
|
|
|
|
|
|
# re-add
|
|
|
for f, args, msg in actions.get(ACTION_ADD, []):
|
|
|
repo.dirstate.add(f)
|
|
|
|
|
|
# re-add/mark as modified
|
|
|
for f, args, msg in actions.get(ACTION_ADD_MODIFIED, []):
|
|
|
if branchmerge:
|
|
|
repo.dirstate.normallookup(f)
|
|
|
else:
|
|
|
repo.dirstate.add(f)
|
|
|
|
|
|
# exec change
|
|
|
for f, args, msg in actions.get(ACTION_EXEC, []):
|
|
|
repo.dirstate.normallookup(f)
|
|
|
|
|
|
# keep
|
|
|
for f, args, msg in actions.get(ACTION_KEEP, []):
|
|
|
pass
|
|
|
|
|
|
# get
|
|
|
for f, args, msg in actions.get(ACTION_GET, []):
|
|
|
if branchmerge:
|
|
|
repo.dirstate.otherparent(f)
|
|
|
else:
|
|
|
parentfiledata = getfiledata[f] if getfiledata else None
|
|
|
repo.dirstate.normal(f, parentfiledata=parentfiledata)
|
|
|
|
|
|
# merge
|
|
|
for f, args, msg in actions.get(ACTION_MERGE, []):
|
|
|
f1, f2, fa, move, anc = args
|
|
|
if branchmerge:
|
|
|
# We've done a branch merge, mark this file as merged
|
|
|
# so that we properly record the merger later
|
|
|
repo.dirstate.merge(f)
|
|
|
if f1 != f2: # copy/rename
|
|
|
if move:
|
|
|
repo.dirstate.remove(f1)
|
|
|
if f1 != f:
|
|
|
repo.dirstate.copy(f1, f)
|
|
|
else:
|
|
|
repo.dirstate.copy(f2, f)
|
|
|
else:
|
|
|
# We've update-merged a locally modified file, so
|
|
|
# we set the dirstate to emulate a normal checkout
|
|
|
# of that file some time in the past. Thus our
|
|
|
# merge will appear as a normal local file
|
|
|
# modification.
|
|
|
if f2 == f: # file not locally copied/moved
|
|
|
repo.dirstate.normallookup(f)
|
|
|
if move:
|
|
|
repo.dirstate.drop(f1)
|
|
|
|
|
|
# directory rename, move local
|
|
|
for f, args, msg in actions.get(ACTION_DIR_RENAME_MOVE_LOCAL, []):
|
|
|
f0, flag = args
|
|
|
if branchmerge:
|
|
|
repo.dirstate.add(f)
|
|
|
repo.dirstate.remove(f0)
|
|
|
repo.dirstate.copy(f0, f)
|
|
|
else:
|
|
|
repo.dirstate.normal(f)
|
|
|
repo.dirstate.drop(f0)
|
|
|
|
|
|
# directory rename, get
|
|
|
for f, args, msg in actions.get(ACTION_LOCAL_DIR_RENAME_GET, []):
|
|
|
f0, flag = args
|
|
|
if branchmerge:
|
|
|
repo.dirstate.add(f)
|
|
|
repo.dirstate.copy(f0, f)
|
|
|
else:
|
|
|
repo.dirstate.normal(f)
|
|
|
|
