[PATCH stable? V2] match: let 'path:.' and 'path:' match everything (issue4687)

[Augie Fackler]

On Sun, Jun 21, 2015 at 11:21:40AM -0400, Matt Harbison wrote:
> # HG changeset patch
> # User Matt Harbison <matt_harbison at yahoo.com>
> # Date 1434844766 14400
> #      Sat Jun 20 19:59:26 2015 -0400
> # Node ID 55c0d9db1542351d819f9ceb9997fdfc6b8430a7
> # Parent  4359485eb420d7474c22e492dcf6d9596f50fc9a
> match: let 'path:.' and 'path:' match everything (issue4687)

Queued for stable, thanks.

>
> Previously, both queries exited with code 1, printing nothing.  The pattern in
> the latter query is normalized to '.', so it is really the same case.
>
> diff --git a/mercurial/match.py b/mercurial/match.py
> --- a/mercurial/match.py
> +++ b/mercurial/match.py
> @@ -505,6 +505,8 @@
>      if kind == 're':
>          return pat
>      if kind == 'path':
> +        if pat == '.':
> +            return ''
>          return '^' + util.re.escape(pat) + '(?:/|$)'
>      if kind == 'relglob':
>          return '(?:|.*/)' + _globre(pat) + globsuffix
> diff --git a/tests/test-locate.t b/tests/test-locate.t
> --- a/tests/test-locate.t
> +++ b/tests/test-locate.t
> @@ -106,6 +106,19 @@
>    $ mkdir otherdir
>    $ cd otherdir
>
> +  $ hg files path:
> +  ../b (glob)
> +  ../dir.h/foo (glob)
> +  ../t.h (glob)
> +  ../t/e.h (glob)
> +  ../t/x (glob)
> +  $ hg files path:.
> +  ../b (glob)
> +  ../dir.h/foo (glob)
> +  ../t.h (glob)
> +  ../t/e.h (glob)
> +  ../t/x (glob)
> +
>    $ hg locate b
>    ../b (glob)
>    ../t/b (glob)
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