{
"@context": "https://www.w3.org/ns/activitystreams",
"id": "https://deadvey.com//socialweb/notes/76",
"type": "Note",
"hash": "76",
"content": "Home Manager automatically changing dark/light mode at sunrise/set:
Firstly, to do this you need pkgs.sunwait (though other options would work with a bit of changing). Make a script like this, I put mine in my home.file, but you can also just make it a file on it's own.
'scripts/mode-switcher-based-on-sunlight.sh' = {
text = ''
run_a_command() {
if [[ \"$light\" == \"DAY\" ]]; then
sed -i 's/MODE\\ =\\ \".*\"/MODE\\ =\\ \"light\"/' $HOME/.config/home/home.nix
home-manager switch
else
sed -i 's/MODE\\ =\\ \".*\"/MODE\\ =\\ \"dark\"/' $HOME/.config/home/home.nix
home-manager switch
fi
};
#!/bin/bash
# Set your latitude and longitude
LATITUDE=\"53.43N\"
LONGITUDE=\"-1.89E\"
# Calculate the sunrise and sunset times for today using sunwait
light=$(sunwait poll $LATITUDE $LONGITUDE)
run_a_command
while sleep 5; do
new_light=$(sunwait poll $LATITUDE $LONGITUDE)
if [[ \"$new_light\" != \"$light\" ]]; then
run_a_command
fi
done
'';
executable = true;
};
I have this to autorun on startup in Hyprland with exec-once=\"$HOME/scripts/mode-switcher-based-on-sunlight.sh\";
then in the home.nix, I of course have a variable defined called MODE as either \"dark\" or \"light\"
{config, pkgs, lib, ...}:
let
MODE = \"light\";
in
{
# Home config
}
And then that should be it, of course you'll want to make to make gtk follow this theme, I do that by having different theme files which each define a set of GTK themes and then those are assigned as variables on rebuild inherit (import ./themes/\\${THEME}_\\${MODE}.nix) GTK_THEME GTK_THEME_NAME;
You can see my full nix configurations here
Fly You High - DeaDvey",
"url": "https://deadvey.com/blog/76.html",
"attributedTo": "https://deadvey.com/@blog",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [],
"published": "Thu, 12 Dec 2024 18:40:26",
"replies": {
"id": "https://deadvey.com/socialweb/replies/76",
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"tag": [
{
"Type": "Hashtag",
"Href": "https://deadvey.com/blog/nixos.html",
"Name": "#nixos"
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{
"Type": "Hashtag",
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