Works for me.  Thanks a lot for the quick reply and fix, Theo and
Stefan!

* Theo Buehler wrote:
> On Wed, Dec 27, 2023 at 01:22:48PM +0100, Stefan Sperling wrote:
> > On Wed, Dec 27, 2023 at 01:13:22PM +0100, Theo Buehler wrote:
> > > does /usr/ports/.got/base_commit happen to be empty?
> > 
> > Yes, the problem can be reproduced with these steps:
> > 
> >   $ rm .got/base-commit
> >   $ touch .got/base-commit
> >   $ got up
> >   Segmentation fault (core dumped)
> > 
> > Below is the obvious fix:
> > 
> >   $ got up
> >   got: /tmp/test-wt/.got/base-commit: bad worktree meta data
> 
> ok tb
> 
> > 
> > diff /home/stsp/src/got
> > commit - 1e63031fcde1dee62ea14a73d4bf3638632e691b
> > path + /home/stsp/src/got
> > blob - cbce00f57c0999cd56f639776fdc0be83f732cf9
> > file + lib/worktree_open.c
> > --- lib/worktree_open.c
> > +++ lib/worktree_open.c
> > @@ -80,6 +80,10 @@ read_meta_file(char **content, const char *path_got, c
> >  		err = got_error_from_errno2("fstat", path);
> >  		goto done;
> >  	}
> > +	if (sb.st_size == 0) {
> > +		err = got_error_path(path, GOT_ERR_WORKTREE_META);
> > +		goto done;
> > +	}
> >  	*content = calloc(1, sb.st_size);
> >  	if (*content == NULL) {
> >  		err = got_error_from_errno("calloc");