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Re: [PATCH] meson: src: Fix DESTDIR handling while creating dirs



On 9/9/20 5:47 PM, Pavel Hrdina wrote:
On Wed, Sep 09, 2020 at 05:06:19PM +0200, Jan Kiszka wrote:
On 09.09.20 16:38, Erik Skultety wrote:
On Mon, Sep 07, 2020 at 11:25:34PM +0200, Jan Kiszka wrote:
From: Jan Kiszka <jan kiszka siemens com>

If the target path contains a link with an absolute path (e.g.
/var/run -> /run), makedirs will target the wrong location. Resolve the
path first, then append DESTDIR again if needed.

Can you elaborate on this? os.makedirs should follow the symlinks before
actually creating the directory hierarchy, so I'm failing to see the problem
this patch is trying to address.


mkdir -p /my/destdir/var /my/destdir/run
ln -s /run /my/destdir/var/run
meson build --prefix=/usr
DESTDIR=/my/destdir ninja -C build install

-> PermissionError: [Errno 13] Permission denied:
'/my/destdir/var/run/libvirt'

I would say don't do that as that's not purpose of DESTDIR and running
libvirt from the DESTDIR installation will not work as it will not find
all the required files.

This is exactly what gentoo portage does, btw. And I bet some other package tools too.

Michal


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