vim do not guess $HOME when unavailable

[Bram Moolenaar]

Ciaran McCreesh wrote:

> On Mon, 23 Jan 2006 22:32:20 +0100 Bram Moolenaar <Bram at moolenaar.net>
> wrote:
> | > Although unfortunately, some of the Gnome stuff to which Vim links
> | > ignores $HOME and only uses getpwuid, which means that the Vim build
> | > process has to have write access to the real ~/.gnome2* when
> | > generating the NLS things or running tests...
> | 
> | That's weird.  I mean, how would you get the result from getpwuid()
> | in a shell script (in a Makefile)?
> 
> Vim is invoked via the Makefile for various things, so if you're
> building with --with-vim-name=gvim the Gnome code gets called.

Sorry, I wasn't clear.  I meant: If we are supposed to use the directory
that getpwuid() returns, how would you do such a thing in a shell script
or Makefile?  The point is that almost everywhere $HOME is used.

> | Also note that "~/.gnome2" is short for "$HOME/.gnome2".  At least,
> | that's how I have aways seen it.  A simple test confirms it:
> 
> Sorry, should've been clearer. I mean that the real (from passwd) home
> directory is used, and the environment variable is ignored.
> 
> | Perhaps it's better to consider the Gnome stuff to be the problem...
> 
> Probably, yes. I only noticed this because Gentoo builds are done in a
> sandbox that disallows writes outside of the build directory, and the
> usual workaround (setting ${HOME} to a temporary directory) weren't
> working. No big deal, since we can selectively allow writes or just hack
> the Makefile to make a buildvim -> gvim symlink and use that inside the
> Makefile instead...

The suggestion that Gnome is doing something wrong appears to be
supported by this.

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