merge: handle linear update to symlink correctly (issue3316)
This fixes a regression introduced by fcf66193b186. If no file-level
merge is needed, we can update flags directly, otherwise we have a
conflict to resolve in filemerge.
--- a/mercurial/merge.py Tue Mar 13 15:12:26 2012 -0500
+++ b/mercurial/merge.py Tue Mar 13 16:28:08 2012 -0500
@@ -173,9 +173,10 @@
if m and m != a: # changed from a to m
return m
if n and n != a: # changed from a to n
- if n == 'l' or a == 'l':
- # can't automatically merge symlink flag change here, let
- # filemerge take care of it
+ if (n == 'l' or a == 'l') and m1[f] != ma[f]:
+ # can't automatically merge symlink flag when there
+ # are file-level conflicts here, let filemerge take
+ # care of it
return m
return n
return '' # flag was cleared
--- a/tests/test-merge-types.t Tue Mar 13 15:12:26 2012 -0500
+++ b/tests/test-merge-types.t Tue Mar 13 16:28:08 2012 -0500
@@ -70,3 +70,39 @@
> fi
a has no flags (default for conflicts)
+Update to link without local change should get us a symlink (issue3316):
+
+ $ hg up -C 0
+ $ hg up
+ $ hg st
+
+Update to link with local change should cause a merge prompt (issue3200):
+
+ $ hg up -C 0
+ 1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+ $ echo data > a
+ $ HGMERGE= hg up -y --debug
+ searching for copies back to rev 2
+ resolving manifests
+ overwrite: False, partial: False
+ ancestor: c334dc3be0da, local: c334dc3be0da+, remote: 521a1e40188f
+ a: versions differ -> m
+ preserving a for resolve of a
+ updating: a 1/1 files (100.00%)
+ couldn't find merge tool hgmerge
+ picked tool 'internal:prompt' for a (binary False symlink True)
+ no tool found to merge a
+ keep (l)ocal or take (o)ther? l
+ 0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+ $ hg diff --git
+ diff --git a/a b/a
+ old mode 120000
+ new mode 100644
+ --- a/a
+ +++ b/a
+ @@ -1,1 +1,1 @@
+ -symlink
+ \ No newline at end of file
+ +data
+
+