Re: [PATCH] git branch -D: give a better error message when lockfile creation fails

["Shawn O. Pearce" <spearce@spearce.org>]

Miklos Vajna <vmiklos@frugalware.org> wrote:
> On Fri, Sep 25, 2009 at 11:31:43PM -0400, Jeff King <peff@peff.net> wrote:
> > afterwards). So probably you would need to first refactor
> > unable_to_lock_index_die() to handle just printing the error without
> > dying.
> 
> I removed the NORETURN macro as otherwise gcc would issue a warning, as
> it does not realise that unable_to_lock_index_die() never returns.

Please don't.  If you refactor the error message formatting into
a static function called from the two extern ones, you can still
centralize the formatting but also keep NORETURN on the method that
doesn't return.  The annotation is useful and should not be removed.
 
> -extern NORETURN void unable_to_lock_index_die(const char *path, int err);
> +extern int unable_to_lock_index(const char *path, int err, int noreturn);
> +extern void unable_to_lock_index_die(const char *path, int err);

-- 
Shawn.