> -----Original Message-----
quoted text
> From: git-owner@vger.kernel.org [mailto:git-owner@vger.kernel.org] On
> Behalf Of Jonathan Nieder
> Sent: den 23 mars 2010 00:26
> To: Uwe Kleine-König
> Cc: git@vger.kernel.org; Junio C Hamano; Marc Kleine-Budde; Jay Soffian
> Subject: [PATCH] send-email: do not check for editor until needed
> 
> Since b4479f074 (add -i, send-email, svn, p4, etc: use "git var
> GIT_EDITOR", 2009-10-30), when called with TERM=dumb and without
> GIT_EDITOR set, git send-email has been failing whether it needs
> an editor or not:
> 
>  $ ssh localhost git send-email --to=me --suppress-cc=all HEAD^..HEAD
>  fatal: Terminal is dumb, but EDITOR unset
>  var GIT_EDITOR: command returned error: 128
> 
> This breaks use of git send-email in existing hook scripts.
> 
> So do not check for an editor unless it is needed.
> 
> Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
> ---
> Uwe Kleine-König wrote:
> 
> > since b4479f074760a788dd4e353b8c86a7d735afc53e git send-email (and
> > others) use git var GIT_EDITOR.  This is OK as such but it breaks the
> > post-receive hooks that I use on several repositories.
> [...]
> > IMHO git send-email should only call $(git var GIT_EDITOR) when it
> > actually needs it.
> 
> Thanks for reporting.  Does this patch work for you?
> 
> Now if I try without a tty, I get a different error:
> 
>  $ ssh localhost cd $(pwd) '&&' \
> 	git send-email --to=me --suppress-cc=all HEAD^..HEAD
>  Can't locate object method "IN" via package "FakeTerm" at
>  /home/jrn/tmp-git/libexec/git-core/git-send-email line 645.
>  /tmp/olTiwjzrjx/0001-Git-1.7.0.3.patch
> 
> I assume I am not using it correctly, since the relevant code has
> been around for a while.
> 
>  git-send-email.perl |    9 ++++++++-
>  1 files changed, 8 insertions(+), 1 deletions(-)
> 
> diff --git a/git-send-email.perl b/git-send-email.perl
> index e05455f..9406cdd 100755
> --- a/git-send-email.perl
> +++ b/git-send-email.perl
> @@ -162,9 +162,16 @@ my $compose_filename;
> 
>  # Handle interactive edition of files.
>  my $multiedit;
> -my $editor = Git::command_oneline('var', 'GIT_EDITOR');
> 
>  sub do_edit {
> +	my $editor;
> +
> +	if ($#_ == 0) {
> +		return;
> +	}

Shouldn't that be:

	if ($#_ == -1) {
		return;
	}

or more readable:

	return if (!@_);

as I assume you are trying to protect do_edit() from being called 
without arguments?

quoted text
> +	git_cmd_try {
> +		$editor = Git::command_oneline('var', 'GIT_EDITOR');
> +	} "no suitable text editor configured\n";
>  	if (defined($multiedit) && !$multiedit) {
>  		map {
>  			system('sh', '-c', $editor.' "$@"', $editor, $_);
> --
> 1.7.0.2
> 
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//Peter

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