On 07/05/2015 14:27, Bram Duvigneau wrote:
On 5/7/2015 12:30 AM, Didier Spaier wrote:
On 07/05/2015 00:19, Bram Duvigneau wrote:
Mario Lang schreef op 7-5-2015 om 00:11:
Bram Duvigneau <[email protected]> writes:
to give the package a try, it should be available in the NixOS
unstable
channel and will be included in the next stable release.
Mind sharing the git repo and relevant paths? I'd like to look at the
package definition.
Of course, any feedback is welcome.
Package definition:
https://github.com/NixOS/nixpkgs/blob/master/pkgs/tools/misc/brltty/default.nix
NixOS module/service definition:
https://github.com/NixOS/nixpkgs/blob/master/nixos/modules/services/hardware/brltty.nix
How would that work (especially the module/service definition) on a
system that doesn't ship systemd? I have Slackware in mind.
The service module is specifically for NixOS, which is using systemd. If
you would use just Nix on another platform to install packages, you
would have to either start BRLTTY manually or write your own
init/wrapper script. The Nix definitions allow for conditionals for
specific platforms, see the ALSA flag in BRLTTy for an example. So you
might be able to do something with that. That being said, I only have
used NixOS so far and don't know much of Nix on other platforms.
Furthermore, it does not integrate with native package managers of other
platforms, but keeps a separate package tree, si it's not meant to
generate native packages if that was your understanding.
I'm currently using NixOS for a development machine where I can easily
build different development configurations and dependencies for various
projects.
Bram
Thanks for clarifying.
FWIW, I attach the init/wrapper script I wrote for Slint/Slackware.
The init script /etc/rc.d/rc.S runs "/etc/rc.d/rc.brltty start"
just after modules loading, if rc.brltty is executable.
Didier
#!/bin/sh
#
# Start/stop brltty
#
brltty_start() {
if [ ! "`ps -C brltty --noheaders|wc -l`" = "0" ]; then
echo "brltty is already started."
brltty_status
exit
fi
if [ -x /bin/brltty ]; then
echo "Starting brltty daemon: /bin/brltty "
/bin/brltty
fi
}
brltty_stop() {
NBPROC="`ps -C brltty --noheaders|wc -l`"
if [ "$NBPROC" = "1" ]; then
echo "Stopping brltty..."
PID="`ps -C brltty --noheaders -o pid`"
kill $PID
elif [ "$NBPROC" = "0" ]; then
echo "brltty is not started."
else
echo "I can't stop brltty, several daemons are running:"
brltty_status
fi
}
brltty_status () {
NBPROC="`ps -C brltty --noheaders|wc -l`"
if [ "$NBPROC" = "0" ]; then
echo "No active brltty daemon."
elif [ "$NBPROC" = "1" ]; then
echo "A brltty daemon is running, PID: `ps -C brltty --no-headers -o pid`"
else
ps -C brltty -o pid,args
fi
}
case "$1" in
'start')
brltty_start
;;
'stop')
brltty_stop
;;
'restart')
brltty_stop
sleep 3
brltty_start
;;
'status')
brltty_status
;;
*)
echo "usage $0 restart|start|status|stop|"
esac
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