D10927: dirstate: introduce a symbolic constant for the NONNORMAL marker

[marmoute (Pierre-Yves David)]

marmoute created this revision.
Herald added a reviewer: hg-reviewers.
Herald added a subscriber: mercurial-patches.

REVISION SUMMARY
  This is going to be clearer and easier to track than -1. Ultimately I would
  like to get ride of this special value everywhere but in the lower level,
  however we need to clarify the API first. This changeset is part of such
  clarification.

REPOSITORY
  rHG Mercurial

BRANCH
  default

REVISION DETAIL
  https://phab.mercurial-scm.org/D10927

AFFECTED FILES
  mercurial/dirstate.py

CHANGE DETAILS

diff --git a/mercurial/dirstate.py b/mercurial/dirstate.py
--- a/mercurial/dirstate.py
+++ b/mercurial/dirstate.py
@@ -51,6 +51,9 @@
 # a special value used internally for `size` if the file come from the other parent
 FROM_P2 = -2
 
+# a special value used internally for `size` if the file is modified/merged/added
+NONNORMAL = -1
+
 
 class repocache(filecache):
     """filecache for files in .hg/"""
@@ -488,9 +491,9 @@
             # being removed, restore that state.
             entry = self._map.get(f)
             if entry is not None:
-                if entry[0] == b'r' and entry[2] in (-1, FROM_P2):
+                if entry[0] == b'r' and entry[2] in (NONNORMAL, FROM_P2):
                     source = self._map.copymap.get(f)
-                    if entry[2] == -1:
+                    if entry[2] == NONNORMAL:
                         self.merge(f)
                     elif entry[2] == FROM_P2:
                         self.otherparent(f)
@@ -499,7 +502,7 @@
                     return
                 if entry[0] == b'm' or entry[0] == b'n' and entry[2] == FROM_P2:
                     return
-        self._addpath(f, b'n', 0, -1, -1)
+        self._addpath(f, b'n', 0, NONNORMAL, -1)
         self._map.copymap.pop(f, None)
 
     def otherparent(self, f):
@@ -517,7 +520,7 @@
 
     def add(self, f):
         '''Mark a file added.'''
-        self._addpath(f, b'a', 0, -1, -1)
+        self._addpath(f, b'a', 0, NONNORMAL, -1)
         self._map.copymap.pop(f, None)
 
     def remove(self, f):
@@ -530,7 +533,7 @@
             if entry is not None:
                 # backup the previous state
                 if entry[0] == b'm':  # merge
-                    size = -1
+                    size = NONNORMAL
                 elif entry[0] == b'n' and entry[2] == FROM_P2:  # other parent
                     size = FROM_P2
                     self._map.otherparentset.add(f)



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