On Fri, Sep 18, 2020 at 01:58:36PM -0400, Taylor Blau wrote:
> > *untested*:
> >
> > if (!lstat(name, &st)) {
> > if (!S_ISLNK(st.st_mode))
> > return(0);
> > if (!stat(name, &st)) {
> > if (!S_ISFIFO(st.st_mode))
> > return(0);
>
> I still don't think I quite understand why FIFOs aren't allowed...
It's the other way around. Non-fifos return "0" from this "is it a pipe"
function.
I think it is to prevent a false positive with:
rm bar
ln -s foo bar
git diff --no-index foo something-else
We'd still want to treat "foo" as a symlink there. I.e., the heuristic
for guessing it's a process substitution pipe is:
- it's a symlink that doesn't point anywhere
- it's also a fifo
-Peff
