Subject: Re: [PATCH 2/2] setup: don't fail if commondir is deleted.

From: Michal Suchánek <[email-masked]>
Date: Mon, 18 Feb 2019 09:54:23 +0100

On Sun, 17 Feb 2019 02:14:14 -0500
Eric Sunshine <[email-masked]> wrote:

> On Fri, Feb 15, 2019 at 1:16 PM Michal Suchanek <[email-masked]> wrote:
> > When adding wotktrees git can die in get_common_dir_noenv while
> > examining existing worktrees because the commondir file does not exist.
> > Handle ENOENT so adding a worktree does not fail because of incompletely
> > set-up other worktree.
> >
> > Signed-off-by: Michal Suchanek <[email-masked]>
> > ---
> > diff --git a/setup.c b/setup.c
> > @@ -274,22 +274,25 @@ int get_common_dir_noenv(struct strbuf *sb, const char *gitdir)
> > +               if (strbuf_read_file(&data, path.buf, 0) <= 0) {
> > +                       if (errno != ENOENT)
> > +                               die_errno(_("failed to read %s"), path.buf);  
> 
> Documentation for strbuf_read_file() in strbuf.h does not state that
> 'errno' has any meaningful value when this function fails, however,

It is stated in the documentation of strbuf_read().

Thanks

Michal