Re: [OT] perhaps we want to support copied-context diff output

From

Mike Hommey <mh@glandium.org>

Date

Dec 8, 2007, 08:53 UTC

Message-ID

<20071208085302.GA13432@glandium.org>

In-Reply-To

<7vmyslwqdr.fsf@gitster.siamese.dyndns.org>

> Perhaps we may want to add "diff -c" (copied context) output format as
> an option, which may be easier to read.

Or maybe use the patience diff.

On a testcase I had a few months ago, patience diff would give:

@@ -42,11 +42,10 @@

 include $(DEPTH)/config/autoconf.mk

+EXTRA_COMPONENTS = nsKillAll.js
+
 include $(topsrcdir)/config/rules.mk

-libs::
-       $(INSTALL) $(srcdir)/nsKillAll.js $(DIST)/bin/components
-
 clean::
        rm -f $(DIST)/bin/components/nsKillAll.js

Where "normal" diff would give:
@@ -42,10 +42,9 @@

 include $(DEPTH)/config/autoconf.mk

-include $(topsrcdir)/config/rules.mk
+EXTRA_COMPONENTS = nsKillAll.js

-libs::
-       $(INSTALL) $(srcdir)/nsKillAll.js $(DIST)/bin/components
+include $(topsrcdir)/config/rules.mk

 clean::
        rm -f $(DIST)/bin/components/nsKillAll.js

git outputs the same as the normal diff, bzr and svn seem to use the
patience diff. Mercurial outputs almost the same as bzr and svn:
@@ -42,10 +42,9 @@

 include $(DEPTH)/config/autoconf.mk

+EXTRA_COMPONENTS = nsKillAll.js
+
 include $(topsrcdir)/config/rules.mk
-
-libs::
-       $(INSTALL) $(srcdir)/nsKillAll.js $(DIST)/bin/components

 clean::
        rm -f $(DIST)/bin/components/nsKillAll.js

Mike