D3728: grep: adds unmodified mode

[sangeet259 (Sangeet Kumar Mishra)]

sangeet259 created this revision.
Herald added a subscriber: mercurial-devel.
Herald added a reviewer: hg-reviewers.

REVISION SUMMARY
  adds an unmodified flag that lets you grep on all files in the revision
  and not just the one that were modified in that changeset

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D3728

AFFECTED FILES
  mercurial/cmdutil.py
  mercurial/commands.py
  tests/test-grep.t

CHANGE DETAILS

diff --git a/tests/test-grep.t b/tests/test-grep.t
--- a/tests/test-grep.t
+++ b/tests/test-grep.t
@@ -368,3 +368,15 @@
   binfile.bin:0:+: Binary file matches
 
   $ cd ..
+
+Test for showing working of unmodified flag
+
+  $ hg init sng
+  $ cd sng
+  $ echo "unmod" >> um
+  $ hg ci -A -m "adds unmod to um"
+  adding um
+  $ hg grep -r "-1" "unmod"
+  um:0:unmod
+
+  $ cd ..
diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -2408,6 +2408,8 @@
     ('n', 'line-number', None, _('print matching line numbers')),
     ('r', 'rev', [],
      _('only search files changed within revision range'), _('REV')),
+    ('', 'unmodified', False,
+     _('include all files in the changeset while grepping')),
     ('u', 'user', None, _('list the author (long with -v)')),
     ('d', 'date', None, _('list the date (short with -q)')),
     ] + formatteropts + walkopts,
diff --git a/mercurial/cmdutil.py b/mercurial/cmdutil.py
--- a/mercurial/cmdutil.py
+++ b/mercurial/cmdutil.py
@@ -1881,6 +1881,7 @@
     yielding each context, the iterator will first call the prepare
     function on each context in the window in forward order.'''
 
+    unmodified = opts.get('unmodified')
     follow = opts.get('follow') or opts.get('follow_first')
     revs = _walkrevs(repo, opts)
     if not revs:
@@ -1990,7 +1991,11 @@
                 ctx = change(rev)
                 if not fns:
                     def fns_generator():
-                        for f in ctx.files():
+                        if unmodified and len(revs) == 1:
+                            fiter = iter(ctx)
+                        else:
+                            fiter = ctx.files()
+                        for f in fiter:
                             if match(f):
                                 yield f
                     fns = fns_generator()



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Cc: mercurial-devel