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rockowitz / ddcui

Graphical user interface for ddcutil - control monitor settings
http://www.ddcutil.com
GNU General Public License v2.0
147 stars 2 forks source link

nixpkgs package #20

Closed nh2 closed 4 years ago

nh2 commented 4 years ago

Hey,

Thanks for ddcutil/ ddcui, it is super useful.

I just wanted to let you know that I've packaged ddcui for nixpkgs which makes it available in NixOS, as well as being easily installable on any Linux distribution via nix, using nix-env -iA ddcui.

Because it requires root, I then run it with sudo $(which ddcui).

Thanks!

rockowitz commented 4 years ago

Thanks for the heads up. Having spent the past couple days wrestling with builds in launchpad, copr, and especially OBS, I'm impressed with the simplicity of your configuration file.

Strictly speaking, ddcutil doesn't require root. It requires that the user have RW privileges on /dev/i2c devices. Depending on packaging, initialization of driver dev_i2c may or may not create group i2c, and assign that group to the /dev/i2c devices. In that case, all that is required is to add a user to group i2c. If not, then group i2c has to be created, and a udev rule installed to assign the /dev/i2c devices to group i2c. A sample rule is provided in file 45.ddcutil-2c.rules.

Your automation likely catches it, but I just pushed out release 0.1.2, which fixes a major bug in release 0.1.1 (blank combo boxes for non-continuous features).

Regards, Sanford

On 06/26/2020 02:02 PM, Niklas Hambüchen wrote:

Hey,

Thanks for |ddcutil|/ |ddcui|, it is super useful.

I just wanted to let you know that I've packaged |ddcui| for |nixpkgs| https://github.com/NixOS/nixpkgs/pull/91627 which makes it available in NixOS, as well as being easily installable on any Linux distribution via nix https://nixos.org/download.html, using |nix-env -iA ddcui|.

Because it requires root, I then run it with |sudo $(which ddcui)|.

Thanks!

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nh2 commented 4 years ago

Having spent the past couple days wrestling with builds in launchpad, copr, and especially OBS, I'm impressed with the simplicity of your configuration file.

Yes, the fact that it's based on a real programming language makes code reuse and automation easy.

release 0.1.2

Thanks, https://github.com/NixOS/nixpkgs/pull/91770

It requires that the user have RW privileges on /dev/i2c devices.

That's good to know, thanks! For nix-on-Ubuntu (where I'm currently testing), unfortunately there's no i2c group, but for nix-on-NixOS it can be done easily.

I've filed that as https://github.com/NixOS/nixpkgs/issues/91771

rockowitz commented 4 years ago

On 6/29/20 11:37 AM, Niklas Hambüchen wrote:

Having spent the past couple days wrestling with builds in
launchpad, copr, and especially OBS, I'm impressed with the
simplicity of your configuration file.

Yes, the fact that it's based on a real programming language makes code reuse and automation easy.

release 0.1.2

Thanks, NixOS/nixpkgs#91770 https://github.com/NixOS/nixpkgs/pull/91770

It requires that the user have RW privileges on /dev/i2c devices.

That's good to know, thanks! For nix-on-Ubuntu (where I'm currently testing), unfortunately there's no |i2c| group, but for nix-on-NixOS it can be done easily.

I've filed that as NixOS/nixpkgs#91771 https://github.com/NixOS/nixpkgs/issues/91771

The Ubuntu i2c-tools package creates group i2c if it does not already exist, and adds file /lib/udev/rules.d/60-i2c-tools.rules to assign that group the the /dev/i2c devices.  The Debian package does the same.

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