bug#70973: 29.1; "Unlocking file: Invalid argument" Warning saving via a softlink with stale file lock

[Duncan Greatwood <dgreatwood@gmail.com>]

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> I thought "ls -l" will show the target of
> the symlink, but maybe it doesn't on macOS?
It does indeed do that, even on macOS

However, it is the .emacs that is a symlink.

$ ls -l ~/.emacs
lrwxr-xr-x  1 username  staff  59 Dec  6  2015 .emacs ->
/Users/username/Dropbox/Documents/Projects/emacs/dotemacs

The lock file is not a link.

On Thu, May 16, 2024 at 8:47 AM Eli Zaretskii <eliz@gnu.org> wrote:

> > From: Duncan Greatwood <dgreatwood@gmail.com>
> > Date: Thu, 16 May 2024 07:17:59 -0700
> > Cc: 70973@debbugs.gnu.org
> >
> > > If you can reproduce the problem, please tell what does
> > >
> > >   ls -l ~/Dropbox/Documents/Projects/emacs/.#dotemacs
> > >
> > > produce when you see the warnings
> >
> > As follows:
> > $ ls -l ~/Dropbox/Documents/Projects/emacs/.#dotemacs
> > -rw-r--r--@ 1 username  staff  0 May 16 07:13
> > /Users/username/Dropbox/Documents/Projects/emacs/.#dotemacs
>
> Sorry, that doesn't help.  I thought "ls -l" will show the target of
> the symlink, but maybe it doesn't on macOS?  In that case, you should
> be able to use the Emacs function file-symlink-p: when called with the
> lock file as its argument, it should return the target of the symlink
> as a string.
>

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