[Request] [+ ] D12605: diff: add help text to highlight the ability to do "merge diffs"

[mharbison72 (Matt Harbison)]

mharbison72 created this revision.
Herald added a reviewer: hg-reviewers.
Herald added a subscriber: mercurial-patches.

REPOSITORY
  rHG Mercurial

BRANCH
  stable

REVISION DETAIL
  https://phab.mercurial-scm.org/D12605

AFFECTED FILES
  mercurial/commands.py
  tests/test-help.t

CHANGE DETAILS

diff --git a/tests/test-help.t b/tests/test-help.t
--- a/tests/test-help.t
+++ b/tests/test-help.t
@@ -644,7 +644,8 @@
       Note:
          'hg diff' may generate unexpected results for merges, as it will
          default to comparing against the working directory's first parent
-         changeset if no revisions are specified.
+         changeset if no revisions are specified.  To diff against the conflict
+         regions, you can use '--config diff.merge=yes'.
   
       By default, the working directory files are compared to its first parent.
       To see the differences from another revision, use --from. To see the
diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -2537,7 +2537,8 @@
 
        :hg:`diff` may generate unexpected results for merges, as it will
        default to comparing against the working directory's first
-       parent changeset if no revisions are specified.
+       parent changeset if no revisions are specified.  To diff against the
+       conflict regions, you can use `--config diff.merge=yes`.
 
     By default, the working directory files are compared to its first parent. To
     see the differences from another revision, use --from. To see the difference



To: mharbison72, #hg-reviewers
Cc: mercurial-patches, mercurial-devel
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