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tools.kitty: wrap kitty via KITTY_CONFIG_DIRECTORY
A --config wrapper breaks 'kitty +kitten icat' (nnn image preview): kitty
only recognises +kitten as argv[1], so it opened a terminal window trying
to exec a program called +kitten. Move the config into tools/ and inject
it via the environment instead.
author
lassulus
date
(Sep 13, 2026, 12:27 AM CEST)
commit
8679affa
8679affa3faac57a130e737f892c1f8b2e28c8e9
parent
e334411d
e334411d50b23a3d18d2841a1b3cf99056f77dbf
+119
-102
+8
-102
2configs/kitty.nix
+8
-102
2configs/kitty.nix
···
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-
{ pkgs, ... }:
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{ self, pkgs, ... }:
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let
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kitty-cfg = pkgs.writeText "kitty.conf" ''
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# Font configuration
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font_family IosevkaTerm Nerd Font
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bold_font IosevkaTerm Nerd Font Bold
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italic_font IosevkaTerm Nerd Font Italic
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bold_italic_font IosevkaTerm Nerd Font Bold Italic
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font_size 12
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-
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# Window settings
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initial_window_width 80c
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initial_window_height 20c
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-
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# Enable remote control for runtime theme switching
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allow_remote_control yes
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listen_on unix:/tmp/kitty-socket
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-
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# Include theme colors from /var/theme/config
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include /var/theme/config/kitty-colors.conf
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-
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# URL handling
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open_url_with /run/current-system/sw/bin/xdg-open
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detect_urls yes
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-
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# Disable bell
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enable_audio_bell no
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-
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# Don't reset the terminal on ctrl+shift+delete; it's too close to
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# shift+insert (paste) and the reset scrambles running programs.
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map ctrl+shift+delete no_op
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'';
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kitty = pkgs.symlinkJoin {
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name = "kitty";
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paths = [
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(pkgs.writeDashBin "kitty" ''
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${pkgs.kitty}/bin/kitty --config ${kitty-cfg} "$@"
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'')
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pkgs.kitty
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];
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};
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-
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# Light theme colors (Gruvbox Light)
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lightColors = ''
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foreground #3c3836
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background #f9f5d7
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-
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cursor #3c3836
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cursor_text_color #f9f5d7
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-
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# Normal colors
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color0 #fbf1c7
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color1 #cc241d
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color2 #98971a
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color3 #d79921
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color4 #458588
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color5 #b16286
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color6 #689d6a
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color7 #7c6f64
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-
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# Bright colors
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color8 #928374
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color9 #9d0006
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color10 #79740e
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color11 #b57614
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color12 #076678
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color13 #8f3f71
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color14 #427b58
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color15 #3c3836
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'';
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# Dark theme colors
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darkColors = ''
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foreground #ffffff
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background #000000
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cursor #ffffff
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cursor_text_color #F81CE5
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# Normal colors
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color0 #000000
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color1 #fe0100
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color2 #33ff00
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color3 #feff00
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color4 #0066ff
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color5 #cc00ff
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color6 #00ffff
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color7 #d0d0d0
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-
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# Bright colors
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color8 #808080
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color9 #fe0100
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color10 #33ff00
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color11 #feff00
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color12 #0066ff
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color13 #cc00ff
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color14 #00ffff
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color15 #FFFFFF
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'';
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kitty = self.packages.${pkgs.system}.kitty;
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in
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{
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# TODO: this plumbing should go away. Tools need a generic way to expose
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# their per-theme files (e.g. a `themes.<name>.<file>` passthru contract
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# that themes.nix collects into /etc/themes/<name>/) instead of every
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# 2configs/<tool>.nix hand-wiring environment.etc entries like this.
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environment.etc = {
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"themes/light/kitty-colors.conf".text = lightColors;
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"themes/dark/kitty-colors.conf".text = darkColors;
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"themes/light/kitty-colors.conf".text = kitty.themes.light;
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"themes/dark/kitty-colors.conf".text = kitty.themes.dark;
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};
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environment.systemPackages = [ kitty ];
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}
+111
tools/kitty/flake-module.nix
+111
tools/kitty/flake-module.nix
···
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{ inputs, ... }:
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{
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perSystem =
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{ pkgs, ... }:
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let
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kittyConfig = ''
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# Font configuration
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font_family IosevkaTerm Nerd Font
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bold_font IosevkaTerm Nerd Font Bold
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italic_font IosevkaTerm Nerd Font Italic
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bold_italic_font IosevkaTerm Nerd Font Bold Italic
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font_size 12
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+
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# Window settings
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initial_window_width 80c
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initial_window_height 20c
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+
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# Enable remote control for runtime theme switching
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allow_remote_control yes
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listen_on unix:/tmp/kitty-socket
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+
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# Include theme colors from /var/theme/config
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include /var/theme/config/kitty-colors.conf
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+
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# URL handling
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open_url_with /run/current-system/sw/bin/xdg-open
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detect_urls yes
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+
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# Disable bell
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enable_audio_bell no
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+
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# Don't reset the terminal on ctrl+shift+delete; it's too close to
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# shift+insert (paste) and the reset scrambles running programs.
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map ctrl+shift+delete no_op
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'';
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+
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# kitty only recognises `+kitten` as its first argument, so the config
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# must not be injected via `--config`: that would turn `kitty +kitten
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# icat` (nnn's image preview) into a terminal window trying to exec a
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# program called `+kitten`. KITTY_CONFIG_DIRECTORY leaves argv alone.
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configDir = pkgs.writeTextDir "kitty.conf" kittyConfig;
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+
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# Color files consumed by switch-theme (2configs/themes.nix) via
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# /etc/themes/<name>/kitty-colors.conf.
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themes = {
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# Gruvbox Light
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light = ''
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foreground #3c3836
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background #f9f5d7
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+
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cursor #3c3836
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cursor_text_color #f9f5d7
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+
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# Normal colors
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color0 #fbf1c7
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color1 #cc241d
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color2 #98971a
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color3 #d79921
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color4 #458588
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color5 #b16286
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color6 #689d6a
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color7 #7c6f64
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+
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# Bright colors
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color8 #928374
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color9 #9d0006
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color10 #79740e
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+
color11 #b57614
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+
color12 #076678
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color13 #8f3f71
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color14 #427b58
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color15 #3c3836
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'';
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dark = ''
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foreground #ffffff
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background #000000
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+
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cursor #ffffff
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cursor_text_color #F81CE5
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+
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# Normal colors
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color0 #000000
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+
color1 #fe0100
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+
color2 #33ff00
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+
color3 #feff00
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+
color4 #0066ff
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color5 #cc00ff
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+
color6 #00ffff
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color7 #d0d0d0
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+
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# Bright colors
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color8 #808080
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color9 #fe0100
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color10 #33ff00
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color11 #feff00
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+
color12 #0066ff
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color13 #cc00ff
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color14 #00ffff
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color15 #FFFFFF
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'';
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};
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in
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{
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packages.kitty = inputs.wrappers.lib.wrapPackage {
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inherit pkgs;
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package = pkgs.kitty;
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env.KITTY_CONFIG_DIRECTORY = "${configDir}";
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passthru = { inherit themes; };
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};
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};
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}