merge: let manifestmerge emit 'keep' actions when keeping wd version
authorMads Kiilerich <madski@unity3d.com>
Mon, 07 Apr 2014 02:12:28 +0200
changeset 21082 0d67fccc0d43
parent 21081 ffd7b6ce46ff
child 21083 20b0c49c032c
merge: let manifestmerge emit 'keep' actions when keeping wd version Such a 'keep' action will later be the preferred (non)action when there is multiple ancestors. It is thus very convenient to have it explicitly. The extra actions will only be emitted in the case where the local file has changed since the ancestor but the other hasn't. That is the symmetrical operation to a 'get' action. This will create more action tuples that not really serve a purpose. The number of actions will however have the number of changed files as upper bound and it should thus not increase the memory/cpu use significantly.
mercurial/merge.py
tests/test-graft.t
tests/test-issue672.t
tests/test-rename-merge2.t
--- a/mercurial/merge.py	Sun Apr 06 13:39:51 2014 +0200
+++ b/mercurial/merge.py	Mon Apr 07 02:12:28 2014 +0200
@@ -449,7 +449,7 @@
             fla = ma.flags(fa)
             nol = 'l' not in fl1 + fl2 + fla
             if n2 == a and fl2 == fla:
-                pass # remote unchanged - keep local
+                actions.append((f, "k", (), "keep")) # remote unchanged
             elif n1 == a and fl1 == fla: # local unchanged - use remote
                 if n1 == n2: # optimization: keep local content
                     actions.append((f, "e", (fl2,), "update permissions"))
@@ -634,13 +634,13 @@
             audit(f)
             util.unlinkpath(repo.wjoin(f))
 
-    numupdates = len(actions)
+    numupdates = len([a for a in actions if a[1] != 'k'])
     workeractions = [a for a in actions if a[1] in 'gr']
     updateactions = [a for a in workeractions if a[1] == 'g']
     updated = len(updateactions)
     removeactions = [a for a in workeractions if a[1] == 'r']
     removed = len(removeactions)
-    actions = [a for a in actions if a[1] not in 'gr']
+    actions = [a for a in actions if a[1] not in 'grk']
 
     hgsub = [a[1] for a in workeractions if a[0] == '.hgsubstate']
     if hgsub and hgsub[0] == 'r':
@@ -778,6 +778,8 @@
             repo.dirstate.drop(f)
         elif m == "e": # exec change
             repo.dirstate.normallookup(f)
+        elif m == "k": # keep
+            pass
         elif m == "g": # get
             if branchmerge:
                 repo.dirstate.otherparent(f)
--- a/tests/test-graft.t	Sun Apr 06 13:39:51 2014 +0200
+++ b/tests/test-graft.t	Mon Apr 07 02:12:28 2014 +0200
@@ -150,6 +150,7 @@
   resolving manifests
    branchmerge: True, force: True, partial: False
    ancestor: 4c60f11aa304, local: 6b9e5368ca4e+, remote: 97f8bfe72746
+   b: keep -> k
    e: remote is newer -> g
   getting e
   updating: e 1/1 files (100.00%)
@@ -159,6 +160,7 @@
   resolving manifests
    branchmerge: True, force: True, partial: False
    ancestor: 4c60f11aa304, local: 1905859650ec+, remote: 9c233e8e184d
+   b: keep -> k
    d: remote is newer -> g
    e: versions differ -> m
     preserving e for resolve of e
--- a/tests/test-issue672.t	Sun Apr 06 13:39:51 2014 +0200
+++ b/tests/test-issue672.t	Mon Apr 07 02:12:28 2014 +0200
@@ -36,6 +36,7 @@
    ancestor: 81f4b099af3d, local: c64f439569a9+, remote: c12dcd37c90a
    1: other deleted -> r
    1a: remote created -> g
+   2: keep -> k
   removing 1
   updating: 1 1/2 files (50.00%)
   getting 1a
--- a/tests/test-rename-merge2.t	Sun Apr 06 13:39:51 2014 +0200
+++ b/tests/test-rename-merge2.t	Mon Apr 07 02:12:28 2014 +0200
@@ -86,6 +86,7 @@
   resolving manifests
    branchmerge: True, force: False, partial: False
    ancestor: 924404dff337, local: e300d1c794ec+, remote: 4ce40f5aca24
+   a: keep -> k
    b: remote copied from a -> m
     preserving a for resolve of b
    rev: versions differ -> m
@@ -570,6 +571,7 @@
   resolving manifests
    branchmerge: True, force: False, partial: False
    ancestor: 924404dff337, local: 0b76e65c8289+, remote: 4ce40f5aca24
+   a: keep -> k
    b: versions differ -> m
     preserving b for resolve of b
    rev: versions differ -> m