[patch, clang-format] Change the output of --version

[Daniel Jasper]

Sounds like a good idea to me!
On Jan 7, 2014 6:55 AM, "Nico Weber" <thakis at chromium.org> wrote:

> Hi,
>
> `clang-format --version` currently uses llvm's default version formatter
> which looks like this:
>
>   $ clang-format  --version
>   LLVM (http://llvm.org/):
>     LLVM version 3.5svn
>     Optimized build with assertions.
>     Built Jan  3 2014 (14:28:46).
>     Default target: x86_64-apple-darwin13.0.0
>     Host CPU: core-avx-i
>
> This includes all kinds of stuff that's not interesting for a code
> formatter, and it lacks the revision clang-format was built at. In
> comparison, `clang --version` prints
>
>   $ bin/clang --version
>   clang version 3.5 (198452)
>   Target: x86_64-apple-darwin13.0.0
>   Thread model: posix
>
> which I think is much better (but Target: and arguably Thread model:
> aren't interesting for a formatter either).
>
> The attached patch changes the output of `clang-format --version` to be
> just
>
>   $ bin/clang-format --version
>   clang-format version 3.5 (198452)
>
> The part I care about most is including the revision number.
>
> Ok?
>
> Nico
>
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