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Re: [PATCH v2 1/1] diff-highlight: Use correct /dev/null for UNIX and Windows

From
Johannes Schindelin <johannes.schindelin@gmx.de>
Date
Nov 6, 2018, 14:01 UTC
Message-ID
<nycvar.QRO.7.76.6.1811061501210.86@tvgsbejvaqbjf.bet>
In-Reply-To
<bcbffa141116f869db40e4572f9824a3d090c20c.1541026721.git.gitgitgadget@gmail.com>
List,

I have no idea why this mail made it to GitGitGadget's email account but not to the Git mailing list... Sorry about that.

Ciao, Johannes

On Wed, 31 Oct 2018, Chris. Webster via GitGitGadget wrote:
Show 40 quoted lines
> From: "Chris. Webster" <chris@webstech.net>
> 
> Use File::Spec->devnull() for output redirection to avoid messages
> when Windows version of Perl is first in path.  The message 'The
> system cannot find the path specified.' is displayed each time git is
> run to get colors.
> 
> Signed-off-by: Chris. Webster <chris@webstech.net>
> ---
>  contrib/diff-highlight/DiffHighlight.pm | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/contrib/diff-highlight/DiffHighlight.pm b/contrib/diff-highlight/DiffHighlight.pm
> index 536754583b..7440aa1c46 100644
> --- a/contrib/diff-highlight/DiffHighlight.pm
> +++ b/contrib/diff-highlight/DiffHighlight.pm
> @@ -4,6 +4,11 @@ use 5.008;
>  use warnings FATAL => 'all';
>  use strict;
>  
> +# Use the correct value for both UNIX and Windows (/dev/null vs nul)
> +use File::Spec;
> +
> +my $NULL = File::Spec->devnull();
> +
>  # Highlight by reversing foreground and background. You could do
>  # other things like bold or underline if you prefer.
>  my @OLD_HIGHLIGHT = (
> @@ -134,7 +139,7 @@ sub highlight_stdin {
>  # fallback, which means we will work even if git can't be run.
>  sub color_config {
>  	my ($key, $default) = @_;
> -	my $s = `git config --get-color $key 2>/dev/null`;
> +	my $s = `git config --get-color $key 2>$NULL`;
>  	return length($s) ? $s : $default;
>  }
>  
> -- 
> gitgitgadget
> 
Previous: Junio C HamanoNext: Chris Webster
Message 13 of 18 in “DiffHighlight.pm: Use correct /dev/null for UNIX and Windows”
  1. 0/1 DiffHighlight.pm: Use correct /dev/null for UNIX and WindowsChris. Webster via GitGitGadget, Oct 30, 2018
  2. 1/1 Use correct /dev/null for UNIX and Windowschris via GitGitGadget, Oct 30, 2018
  3. Jeff KingOct 31, 2018
  4. Junio C HamanoOct 31, 2018
  5. Junio C HamanoOct 31, 2018
  6. Junio C HamanoOct 31, 2018
  7. Johannes SchindelinOct 31, 2018
  8. 0/1 DiffHighlight.pm: Use correct /dev/null for UNIX and WindowsChris. Webster via GitGitGadget, Oct 31, 2018
  9. Chris WebsterOct 31, 2018
  10. Junio C HamanoOct 31, 2018
  11. Johannes SchindelinOct 31, 2018
  12. Junio C HamanoNov 1, 2018
  13. Johannes SchindelinNov 6, 2018
  14. Chris WebsterMay 7, 2019
  15. Philip OakleyMay 12, 2019
  16. Fwd: [PATCH v2 1/1] diff-highlight: Use correct /dev/null for UNIX and WindowsGit Gadget, May 8, 2019
  17. Junio C HamanoMay 9, 2019
  18. Johannes SchindelinMay 9, 2019

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