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Maximilian Bosch 8325996621
nixos/autorandr: make default target in systemd service configurable
The `.service` file defining the `systemd` unit for `autorandr.service`
which is bundled with the package itself uses `--default default` in the
`ExecStart` section. This can be an issue when having multiple layouts
(e.g. `default` as workstation layout I mostly work on and `mobile` when
I go somewhere else).

When the service gets restarted and `--default` can't be applied,
however the current layout can't be detected (e.g. when working with an
unknown beamer) the service silently fails with a message like this:

```
Jun 22 18:44:46 hauptshuhle autorandr[3168]: /nix/store/h83b72ffm68nm8fyjnppljchp456a94r-xrandr-1.5.0/bin/xrandr: ca>
Jun 22 18:44:46 hauptshuhle autorandr[3168]: Failed to apply profile 'default' (line 718):
Jun 22 18:44:46 hauptshuhle autorandr[3168]:   Command failed: /nix/store/h83b72ffm68nm8fyjnppljchp456a94r-xrandr-1.>
```

As discussed in the IRC (see https://botbot.me/freenode/nixos/2018-07-05/?msg=101791455&page=6)
it's a bad long-term solution in terms of maintenance to manually patch
the service file bundled with the derivation, instead the service shall
be configured declaratively. Additionally this makes possible overrides
from the user-space way easier.

The `udev` rule (in `$out/etc/udev/rules.d`) won't' be affected, it
simply runs `systemctl start autorandr.service` when e.g. a new display
is added, so now `udev` communicates with the NixOS systemd unit.
2018-07-05 14:39:08 +02:00
..
doc nixos/kubernetes: dashboard lockdown 2018-06-19 22:28:00 +02:00
lib qemu-flags: default to qemu-kvm 2018-05-31 12:34:15 -04:00
maintainers maintainers/create-azure.sh: remove hydra.nixos.org as binary cache (#41883) 2018-06-12 14:21:56 +02:00
modules nixos/autorandr: make default target in systemd service configurable 2018-07-05 14:39:08 +02:00
tests installer tests: avoid udisks2 2018-06-22 10:47:05 +02:00
COPYING
default.nix nixos: export packages of the current configuration (its pkgs argument) 2018-02-09 19:35:27 +00:00
README
release-combined.nix nixos/release-combined: remove keymap tests from tested job 2018-06-06 21:02:55 +02:00
release-small.nix Add the boot test to release-small.nix 2018-02-27 20:09:07 +01:00
release.nix nixos/tests/tor: a minimal test 2018-06-21 00:26:44 +02:00

*** NixOS ***

NixOS is a Linux distribution based on the purely functional package
management system Nix.  More information can be found at
http://nixos.org/nixos and in the manual in doc/manual.