Re: Compiler warning under cygwin/mingw

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SZEDER Gábor <szeder@xxxxxxxxxx> writes:

> Hi,
>
>> > And MINGW is not happy for other reasons:
>> >
>> > builtin/rev-parse.c: In function 'cmd_rev_parse':
>> > builtin/rev-parse.c:775:12: warning: implicit declaration of function
>> > 'realpath' [-Wimplicit-function-declaration]
>> >        if (!realpath(gitdir, absolute_path))
>> >             ^
>> 
>> I guess you're building "pu"; that is only in sg/completion-updates. I
>> don't know if our custom real_path() would suffice there. You might want
>> to ping the author. The patch is:
>> 
>>   http://article.gmane.org/gmane.comp.version-control.git/287462
>
> Oh, I was not aware that there is a custom real_path() that is
> preferred over the system realpath().  I don't see why our real_path()
> would not suffice, it even makes the code a tad shorter.
>
> I will include the patch below in the reroll.

A friendly ping to see if I am missing new development that followed
this message...

>
> Best,
> Gábor
>
>
>  ----  >8  ----
> Subject: [PATCH] fixup! rev-parse: add '--absolute-git-dir' option
>
> ---
>  builtin/rev-parse.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
> index 90a4dd6032c0..d6d9a82c77c4 100644
> --- a/builtin/rev-parse.c
> +++ b/builtin/rev-parse.c
> @@ -762,10 +762,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
>  					if (!gitdir && !prefix)
>  						gitdir = ".git";
>  					if (gitdir) {
> -						char absolute_path[PATH_MAX];
> -						if (!realpath(gitdir, absolute_path))
> -							die_errno(_("unable to get absolute path"));
> -						puts(absolute_path);
> +						puts(real_path(gitdir));
>  						continue;
>  					}
>  				}
--
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