Hi Roger,
On 09/10/2015 01:46 PM, Roger Leigh wrote:
On 10/09/2015 12:11, tilt! wrote:
Question open for debate:
On a systemd-free system, should an alternative exist which
assumes the task of initializing XDG envvars as described by
[1] in the way done by [3]?
> [...]
Thank you very much for your explanation of how this
came to be, which is pretty much like i imagined.
Also thanks for pointing out the especially problematic
aspect of refcounting which i had overlooked.
So my recommendation here would be to
- place /run/user in a subdirectory of /tmp
- configure XDG_RUNTIME_DIR to use this location either in a PAM module,
or even by hardcoding the default to use this location--the
specification might not provide this default, but an implementation
certainly can.
Absolutely. I will implement a configfile as follows:
# file /etc/jack-autostart/config.sh
# (in Bourne Shell syntax)
## Where to place the permanent configuration:
#configdir=${XDG_CONFIG_HOME:-$HOME/.config}/jack-autostart
## Where to place temporary files:
#rundir=${XDG_RUNTIME_DIR:-/tmp/run/$USER}/jack-autostart
In the absence of that configfile, or if the directives are
commented out, the hardcoded default will be exactly as shown
above. Distributors and site-maintainers can change this to
what is more suitable for them.
The application will then perform
test -d "$rundir" || mkdir -p -m 077 "$rundir"
Apart from that, i will think a bit longer about a general
replacement for libpam_systemd. But i think we should provide
something, to avoid that users are spammed with warnings like
"XDG_RUNTIME_DIR not set", as [1] mandates applications to do:
"If $XDG_RUNTIME_DIR is not set applications should fall
back to a replacement directory with similar capabilities
and print a warning message."
Best regards,
T.
Links:
[1] freedesktop.org. XDG Base Directory Specification.
URL: http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
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