Added nixos configs

system-master/assets/conf/apps/flatpaks.conf

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+##############################################
+# These files are just for reference.
+# If you want to change anything, edit the source files in:
+#   ~/system-master/assets/conf
+#
+# After that, run:
+#   cd ~/system-master && emacs README.org --batch -f org-babel-tangle && git add . && git commit -m "Adjusted conf files" && sudo nixos-rebuild switch --flake .#<yourhost>
+#
+# If everything still works, you can use the same command but:
+# - keep "switch"
+# - and add a reboot:
+#
+#   cd ~/system-master && sudo nixos-rebuild switch --flake .#<yourhost> && systemctl reboot
+#
+# NOTE:
+# Make sure the lines starting with: cd ~/system-master
+# are written as ONE single line.
+##############################################
+app.zen_browser.zen
+com.github.tchx84.Flatseal
+eu.betterbird.Betterbird

system-master/assets/conf/apps/packages.conf

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+##############################################
+# These files are just for reference.
+# If you want to change anything, edit the source files in:
+#   ~/system-master/assets/conf
+#
+# After that, run:
+#   cd ~/system-master && emacs README.org --batch -f org-babel-tangle && git add . && git commit -m "Adjusted conf files" && sudo nixos-rebuild switch --flake .#<yourhost>
+#
+# If everything still works, you can use the same command but:
+# - keep "switch"
+# - and add a reboot:
+#
+#   cd ~/system-master && sudo nixos-rebuild switch --flake .#<yourhost> && systemctl reboot
+#
+# Make sure the lines starting with: cd ~/system-master
+# are written as ONE single line.
+#
+#IMPORTANT:
+# Only packages/attributes that exist in Nixpkgs can be installed.
+# Check names on https://search.nixos.org/packages
+# A wrong package name (or attribute path) will cause the Nix build to fail.
+###############################################
+
+
+# system
+nixVersions.latest
+wofi
+xdg-utils
+desktop-file-utils
+playerctl
+pamixer
+pavucontrol
+brightnessctl
+rofi
+simple-scan
+mpv
+
+#productivity
+todoist #< -- was a flatpak, did not get installed
+
+# browsers
+brave
+vivaldi
+chromium
+
+# hyprland
+hyprpaper
+
+# utils
+wget
+nextcloud-client
+kdePackages.okular
+kdePackages.gwenview
+kdePackages.kdeconnect-kde
+_1password-gui
+docker
+tree
+ripgrep
+gparted
+file
+htop
+wev
+solaar
+
+# terminals
+kdePackages.konsole
+kdePackages.yakuake
+
+# office
+obsidian
+onlyoffice-desktopeditors
+
+# development
+git
+vscode-with-extensions
+kdePackages.kate
+postman
+tea
+
+#jetbrains.pycharm
+python3
+
+# communication
+nextcloud-talk-desktop
+signal-desktop
+openssl
+
+# multimedia
+audacity
+handbrake
+spotify
+vlc

system-master/assets/conf/core/lightdm-gtk-greeter.conf

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+[greeter]
+theme-name = catppuccinThemePkg
+icon-theme-name = papirus-icon-theme
+cursor-theme-name = bibata-cursors
+cursor-theme-size = 24
+font-name = Sans 11
+indicators = ~host;~spacer;~clock;~spacer;~session;~language;~power

system-master/assets/conf/core/lightdm.conf

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+##############################################
+# These files are just for reference.
+# If you want to change anything, edit the source files in:
+#   ~/system-master/assets/conf
+#
+# After that, run:
+#   cd ~/system-master && emacs README.org --batch -f org-babel-tangle && git add . && git commit -m "Adjusted conf files" && sudo nixos-rebuild switch --flake .#<yourhost>
+#
+# If everything still works, you can use the same command but:
+# - keep "switch"
+# - and add a reboot:
+#
+#   cd ~/system-master && sudo nixos-rebuild switch --flake .#<yourhost> && systemctl reboot
+#
+# NOTE:
+# Make sure the lines starting with: cd ~/system-master
+# are written as ONE single line.
+##############################################
+# Minimal Hyprland config for greetd
+
+[LightDM]
+run-directory=/run/lightdm
+
+[Seat:*]
+greeter-session=lightdm-gtk-greeter
+user-session=hyprland
+allow-guest=false

system-master/assets/conf/desktop/hypr/bindings.conf

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+##############################################
+# These files are just for reference.
+# If you want to change anything, edit the source files in:
+#   ~/system-master/assets/conf
+#
+# Temporarily(!) testing can by editing this file, edit the file and reloading hyprshell
+# After that, run:
+#   cd ~/system-master && emacs README.org --batch -f org-babel-tangle && git add . && git commit -m "Adjusted conf files" && sudo nixos-rebuild switch --flake .#<yourhost>
+#
+# If everything still works, you can use the same command but:
+# - keep "switch"
+# - and add a reboot:
+#
+#   cd ~/system-master && sudo nixos-rebuild switch --flake .#<yourhost> && systemctl reboot
+#
+# Make sure the lines starting with: cd ~/system-master
+# are written as ONE single line.
+###############################################
+
+
+
+# Keybindings #
+###############
+
+$mainMod = SUPER
+
+# use walker to show exec menu
+bind = $mainMod, Space , exec, walker
+bind = $mainMod, P, pseudo
+bind = $mainMod, T, togglesplit
+
+# grimblast
+bind = $mainMod SHIFT, p, exec, grimblast -n -f copysave active
+bind = $mainMod SHIFT, a, exec, grimblast -n -f copysave area
+bind = $mainMod ALT, p, exec, grimblast -n -f copysave output
+bind = $mainMod CTRL, p, exec, grimblast -n -f copysave screen
+
+# Terminal / launcher / kill / reload
+bind = $mainMod, E, exec, thunar
+bind = $mainMod, RETURN, exec, kitty
+bind = $mainMod, D, exec, wofi --show drun
+bind = $mainMod, Q, killactive,
+bind = $mainMod SHIFT, Q, exit,
+bind = $mainMod SHIFT, R, exec, hyprctl reload
+
+# Default browser
+bind = $mainMod, W, exec, flatpak run app.zen_browser.zen
+
+# Switch windows
+bind = $mainMod, TAB, hyprexpo:expo, toggle
+bind = ALT, TAB, cyclenext
+bind = ALT SHIFT, TAB, cyclenext , prev
+
+# Focus movement
+bind = $mainMod, H, movefocus, l
+bind = $mainMod, L, movefocus, r
+bind = $mainMod, K, movefocus, u
+bind = $mainMod, J, movefocus, d
+bind = $mainMod, left,  movefocus, l
+bind = $mainMod, right, movefocus, r
+bind = $mainMod, up,    movefocus, u
+bind = $mainMod, down,  movefocus, d
+
+# # Move windows
+bind = $mainMod SHIFT, H, movewindow, l
+bind = $mainMod SHIFT, L, movewindow, r
+bind = $mainMod SHIFT, K, movewindow, u
+bind = $mainMod SHIFT, J, movewindow, d
+bind = $mainMod SHIFT, left,  movewindow, l
+bind = $mainMod SHIFT, right, movewindow, r
+bind = $mainMod SHIFT, up,    movewindow, u
+bind = $mainMod SHIFT, down,  movewindow, d
+
+# Resize windows
+bind = $mainMod CTRL, H, resizeactive, -30 0
+bind = $mainMod CTRL, L, resizeactive,  30 0
+bind = $mainMod CTRL, K, resizeactive,  0 -30
+bind = $mainMod CTRL, J, resizeactive,  0  30
+
+# Floating / fullscreen
+bind = $mainMod, V, togglefloating,
+bind = $mainMod, F, fullscreen, 0
+bind = $mainMod SHIFT, F, fullscreen, 1
+
+# Workspaces
+bind = $mainMod, 1, workspace, 1
+bind = $mainMod, 2, workspace, 2
+bind = $mainMod, 3, workspace, 3
+bind = $mainMod, 4, workspace, 4
+bind = $mainMod, 5, workspace, 5
+bind = $mainMod, 6, workspace, 6
+bind = $mainMod, 7, workspace, 7
+bind = $mainMod, 8, workspace, 8
+bind = $mainMod, 9, workspace, 9
+bind = $mainMod, 0, workspace, 10
+
+bind = $mainMod SHIFT, 1, movetoworkspace, 1
+bind = $mainMod SHIFT, 2, movetoworkspace, 2
+bind = $mainMod SHIFT, 3, movetoworkspace, 3
+bind = $mainMod SHIFT, 4, movetoworkspace, 4
+bind = $mainMod SHIFT, 5, movetoworkspace, 5
+bind = $mainMod SHIFT, 6, movetoworkspace, 6
+bind = $mainMod SHIFT, 7, movetoworkspace, 7
+bind = $mainMod SHIFT, 8, movetoworkspace, 8
+bind = $mainMod SHIFT, 9, movetoworkspace, 9
+bind = $mainMod SHIFT, 0, movetoworkspace, 10
+
+# Cycle workspaces
+bind = $mainMod, mouse_down, workspace, e+1
+bind = $mainMod, mouse_up, workspace, e-1
+
+# Mouse drag
+bindm = $mainMod, mouse:272, movewindow
+bindm = $mainMod, mouse:273, resizewindow
+
+#########################
+# Screenshots
+#########################
+bind = $mainMod SHIFT, s, exec, grim -g "$(slurp)" - | wl-copy
+bind = , XF86Screenshot, exec, grim - | wl-copy
+
+#########################
+# Audio (pamixer)
+#########################
+bind = , XF86AudioRaiseVolume, exec, pamixer -i 5
+bind = , XF86AudioLowerVolume, exec, pamixer -d 5
+bind = , XF86AudioMute, exec, pamixer -t
+bind = , XF86AudioMicMute, exec, pamixer --default-source -t
+
+#########################
+# Media (playerctl)
+#########################
+bind = , XF86AudioPlay, exec, playerctl play-pause
+bind = , XF86AudioPause, exec, playerctl pause
+bind = , XF86AudioNext, exec, playerctl next
+bind = , XF86AudioPrev, exec, playerctl previous
+bind = , XF86AudioStop, exec, playerctl stop
+
+#########################
+# Brightness (brightnessctl)
+#########################
+bind = , XF86MonBrightnessUp, exec, brightnessctl set +10%
+bind = , XF86MonBrightnessDown, exec, brightnessctl set 10%-
+bind = , XF86KbdBrightnessUp, exec, brightnessctl -d '*kbd_backlight*' set +10%
+bind = , XF86KbdBrightnessDown, exec, brightnessctl -d '*kbd_backlight*' set 10%-
+
+#########################
+# Power / session
+#########################
+bind = , XF86Sleep, exec, systemctl suspend
+bind = , XF86PowerOff, exec, systemctl poweroff
+bind = , XF86WakeUp, exec, systemctl suspend
+bind = $mainMod, L, exec, loginctl lock-session
+
+#########################
+# Laptop lid settings
+#########################
+bindl = , switch:on:Lid Switch, exec, ~/.config/hypr/scripts/lid-action.sh
+bindl = , switch:off:Lid Switch, exec, ~/.config/hypr/scripts/lid-restore.sh
+
+#########################
+# Start apps
+#########################
+bind = CTRL ALT, B, exec, flatpak run eu.betterbird.Betterbird
+bind = CTRL ALT, S, exec, spotify
+bind = CTRL ALT, z, exec, flatpak run app.zen_browser.zen --filesystem=home
+bind = CTRL ALT, k, exec, kate
+
+

system-master/assets/conf/desktop/hypr/hypridle.conf

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+general {
+  lock_cmd = hyprlock
+  after_sleep_cmd = hyprctl dispatch dpms on
+  ignore_dbus_inhibit = false
+}
+
+listener {
+  timeout = 600
+  on-timeout = hyprlock
+}
+
+listener {
+  timeout = 900
+  on-timeout = hyprctl dispatch dpms off
+  on-resume  = hyprctl dispatch dpms on
+}

system-master/assets/conf/desktop/hypr/hyprland.conf

@@ -0,0 +1,91 @@
+##############################################
+# These files are just for reference.
+# If you want to change anything definitive, edit the source files in:
+#   ~/system-master/assets/conf
+# Temporarily(!) testing can by editing this file, edit the file and reloading hyprshell
+#
+# After that, run:
+#   cd ~/system-master && emacs README.org --batch -f org-babel-tangle && git add . && git commit -m "Adjusted conf files" && sudo nixos-rebuild switch --flake .#<yourhost>
+#
+# If everything still works, you can use the same command but:
+# - keep "switch"
+# - and add a reboot:
+#
+#   cd ~/system-master && sudo nixos-rebuild switch --flake .#<yourhost> && systemctl reboot
+#
+# NOTE:
+# Make sure the lines starting with: cd ~/system-master
+# are written as ONE single line.
+###############################################
+
+############################
+# Variables
+############################
+
+# Colors (Hyprland "col" values commonly use rgba(aarrggbb)-style hex)
+# See Hyprland variable / type docs for color formats & bools. :contentReference[oaicite:2]{index=2}
+$base          = rgba(1e1e2eff)
+$inactive      = rgba(595959aa)
+$blue          = rgba(33ccffee)
+$green         = rgba(00ff99ee)
+
+# Recommended for correct environment in systemd user session / portals. :contentReference[oaicite:4]{index=4}
+exec-once = dbus-update-activation-environment --systemd --all
+exec-once = uwsm app -- waybar
+
+input {
+    follow_mouse = 1
+    kb_layout = us
+    kb_options = ctrl:nocaps
+    sensitivity = -0.5
+    accel_profile = adaptive
+    scroll_factor = 0.5
+    touchpad {
+        natural_scroll = yes
+        scroll_factor = 0.5
+    }
+}
+cursor {
+    no_hardware_cursors = true
+}
+general {
+    gaps_in = 2
+    gaps_out = 4
+    border_size = 2
+    # Gradient syntax: color color angle (e.g. 45deg). :contentReference[oaicite:5]{index=5}
+    col.active_border = $blue $green 45deg
+    col.inactive_border = $inactive
+    layout = dwindle
+    resize_on_border = true
+    extend_border_grab_area = 20 # Makes it easier to "grab" the edge
+}
+decoration {
+    rounding = 5
+}
+animations {
+    enabled = yes
+    bezier = myBezier, 0.05, 0.9, 0.1, 1.05
+    animation = windows, 1, 7, myBezier
+    animation = windowsOut, 1, 7, default, popin 80%
+    animation = border, 1, 10, default
+    animation = borderangle, 1, 8, default
+    animation = fade, 1, 7, default
+    animation = workspaces, 1, 6, default
+}
+dwindle {
+    pseudotile = yes
+    preserve_split = yes
+}
+misc {
+    disable_hyprland_logo = false
+    focus_on_activate = true
+}
+# Start required session helpers
+exec-once = hypridle
+exec-once = hyprpolkitagent
+# Lid close: lock only if no external monitor is connected
+bindl = , switch:on:Lid Switch, exec, ~/.config/hypr/scripts/lid-lock.sh
+# Lid open: turn DPMS back on (does not unlock)
+bindl = , switch:off:Lid Switch, exec, hyprctl dispatch dpms on
+
+exec-once = systemd-run --user --scope --unit=elephant elephant

system-master/assets/conf/desktop/hypr/hyprlock.conf

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+# ~/.config/hypr/hyprlock.conf
+
+general {
+  grace = 2
+  ignore_empty_input = true
+}
+
+background {
+  path = ~/.config/hypr/lock.png
+  blur_passes = 2
+  blur_size = 6
+}
+
+input-field {
+  size = 320, 60
+  outline_thickness = 2
+  dots_size = 0.25
+  dots_spacing = 0.20
+  fade_on_empty = true
+  placeholder_text = "Password"
+  position = 0, -120
+  halign = center
+  valign = center
+}
+
+label {
+  text = $TIME
+  font_size = 72
+  position = 0, 120
+  halign = center
+  valign = center
+}

system-master/assets/conf/desktop/hypr/hyprshell/config.ron

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+// Edit with `hyprshell config edit` <-- GUI app, resize!
+(
+    version: 3,
+    windows: (
+        scale: 8.5,
+        items_per_row: 5    ,
+        overview: (
+            launcher: (
+                default_terminal: None,
+                launch_modifier: "ctrl",
+                width: 800,
+                max_items: 5,
+                show_when_empty: true,
+                plugins: (
+                    applications: (
+                        run_cache_weeks: 8,
+                        show_execs: true,
+                        show_actions_submenu: true,
+                    ),
+                    terminal: None,
+                    shell: None,
+                    websearch: None,
+                    calc: (),
+                    path: (),
+                    actions: (
+                        actions: [
+                            lock_screen,
+                            hibernate,
+                            logout,
+                            reboot,
+                            shutdown,
+                            suspend,
+                            custom(
+                                names: [
+                                    "Kill",
+                                    "Stop",
+                                ],
+                                details: "Kill or stop a process by name",
+                                command: "pkill \"{}\" && notify-send hyprshell \"stopped {}\"",
+                                icon: "remove",
+                            ),
+                            custom(
+                                names: [
+                                    "Reload Hyprshell",
+                                ],
+                                details: "Reload Hyprshell",
+                                command: "sleep 1; hyprshell socat \'\"Restart\"\'",
+                                icon: "system-restart",
+                            ),
+                        ],
+                    ),
+                ),
+            ),
+            key: "Super_L",
+            modifier: "super",
+            filter_by: [],
+            hide_filtered: false,
+            exclude_special_workspaces: "",
+        ),
+        switch: (
+            modifier: "alt",
+            key: "Tab",
+            filter_by: [
+                current_monitor,
+            ],
+            switch_workspaces: false,
+            exclude_special_workspaces: "",
+        ),
+        switch_2: None,
+    ),
+)

system-master/assets/conf/desktop/hypr/hyprshell/styles.css

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+window {
+    background: rgba(20, 20, 20, 0.92);
+    border-radius: 18px;
+}
+
+* {
+    background-color: unset;
+}

system-master/assets/conf/desktop/hypr/scripts/lid-lock.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+INTERNAL="eDP1"
+
+has_external() {
+  # Any monitor name that is not INTERNAL counts as external
+  hyprctl monitors -j | grep -q '"name"' && ! hyprctl monitors -j | grep -q "\"name\":\"$INTERNAL\"\""
+}
+
+has_external_robust() {
+  # robust without jq: count monitor names; if there's >1 OR there's a name not INTERNAL
+  local names
+  names="$(hyprctl monitors -j | sed -n 's/.*"name":"\([^"]*\)".*/\1/p')"
+  # if any name != INTERNAL then external
+  echo "$names" | grep -vx "$INTERNAL" >/dev/null 2>&1
+}
+
+if has_external_robust; then
+  # Clamshell: disable laptop panel, no lock
+  hyprctl keyword monitor "${INTERNAL},disable"
+else
+  # Laptop only: suspend
+  systemctl suspend
+fi

system-master/assets/conf/desktop/hypr/scripts/lid-restore.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+INTERNAL="eDP1"
+
+# Restore panel using preferred mode, auto position, scale 1
+hyprctl keyword monitor "${INTERNAL},preferred,auto,1"

system-master/assets/conf/desktop/wallpaper/wallpaper.conf

@@ -0,0 +1,41 @@
+##############################################
+# Wallpaper config (wpaperd, TOML)
+#
+# Source-of-truth in repo:
+#   ~/system-master/assets/conf/desktop/wallpaper/wallpaper.conf
+#
+# Runtime override (user edits this):
+#   ~/conf/desktop/wallpaper/wallpaper.conf
+#
+# Wallpapers are copied from repo to:
+#   ~/wallpapers/
+# and by default loaded from:
+#   ~/wallpapers/pictures
+##############################################
+
+[default]
+# Directory to pick wallpapers from
+path = "~/nixos_conf/wallpaperstuff/pictures"
+
+# Switch every 60 minutes
+duration = "5m"
+
+# Random order (ascending/descending/random)
+sorting = "random"
+
+# Include subfolders
+recursive = true
+
+# How to fit wallpaper on screen
+mode = "stretch"
+
+# Transition time in milliseconds
+transition-time = 2500
+
+# Apply a "fade-like" transition (uses gl-transitions)
+[default.transition.dissolve]
+# (leave empty to use the transition defaults)
+
+# Apply these defaults to any monitor not explicitly listed
+[any]
+# (inherits [default]; keep empty unless you want overrides)

system-master/assets/conf/desktop/waybar/config.jsonc

@@ -0,0 +1,62 @@
+{
+  "layer": "top",
+  "height": 34,
+  "modules-left": ["hyprland/workspaces", "hyprland/window"],
+  "modules-right": [
+    "idle_inhibitor",
+    "pulseaudio",
+    "network",
+    "cpu",
+    "memory",
+    "temperature",
+    "battery",
+    "tray",
+    "clock"
+  ],
+
+  "idle_inhibitor": {
+    "format": "{icon}",
+    "format-icons": { "activated": "  ", "deactivated": " 󰒲  " }
+  },
+
+  "pulseaudio": {
+    "format": "{volume}% {icon}",
+    "format-bluetooth": "{volume}% {icon}",
+    "format-muted": "",
+    "format-icons": {
+      "headphones": "",
+      "headset": "",
+      "phone": "",
+      "portab  le": "",
+      "default": ["", ""]
+    },
+    "on-click": "pavucontrol"
+  },
+
+  "network": {
+    "format-wifi": "  ({bandwidthDownBits})",
+    "format-ethernet": "  ({bandwidthDownBits})",
+    "format-disconnected": "Disconnected ⚠",
+    "tooltip-format-wifi": "{essid} ({signalStrength}%)",
+    "tooltip-format-ethernet": "{ifname}: {ipaddr}/{cidr}",
+    "on-click": "impala"
+  },
+
+  "cpu": { "format": "{usage}%  ", "tooltip": false },
+  "memory": { "format": "{percentage}%  " },
+
+  "temperature": { "format": "{temperatureC}°C ", "tooltip": false },
+
+  "tray": { "spacing": 10, "icon-size": 14 },
+
+  "clock": { "format": "{:%a, %d %b %Y - %H:%M}", "tooltip": false },
+
+  "battery": {
+    "bat": "BAT0",
+    "states": { "good": 95, "warning": 30, "critical": 15 },
+    "format": "{capacity}% {icon}",
+    "format-charging": "{capacity}% 󰂄",
+    "format-plugged": "{capacity}%  ",
+    "format-icons": ["󰁺", "󰁼", "󰁾", "󰂀", "󱈏 "]
+  }
+}

system-master/assets/conf/desktop/waybar/style.css

@@ -0,0 +1,89 @@
+* {
+font-family: Aporetic Sans Mono, Iosevka Nerd Font, Roboto, Helvetica, Arial, sans-serif;
+font-size: 13px;
+}
+
+window#waybar {
+    background-color: @base;
+    color: @text;
+    transition-property: background-color;
+    border-bottom: 0px solid rgba(0, 0, 0, 0);
+    transition-duration: .5s;
+}
+
+#workspaces button {
+padding: 0 5px;
+background-color: transparent;
+border: none;
+border-radius: 0;
+color: @text;
+}
+
+#workspaces button:hover {
+background: @surface1;
+color: @text;
+}
+
+#workspaces button.active {
+background-color: @green;
+color: @base;
+box-shadow: inset 0 -3px @subtext1;
+}
+
+#clock,
+#idle_inhibitor,
+#battery,
+#cpu,
+#memory,
+#temperature,
+#network,
+#pulseaudio,
+#tray {
+margin: 0 5px;
+padding: 0 2px;
+}
+
+#idle_inhibitor.activated {
+background-color: @green;
+}
+
+#battery.charging {
+color: @green;
+}
+
+@keyframes blink {
+    to {
+        background-color: #ffffff;
+        color: black;
+    }
+}
+
+#battery.warning:not(.charging) {
+color: white;
+animation-name: blink;
+animation-duration: 0.5s;
+animation-timing-function: linear;
+animation-iteration-count: infinite;
+animation-direction: alternate;
+}
+
+#window,
+#workspaces {
+margin: 0 4px;
+}
+
+.modules-left > widget:first-child > #workspaces {
+    margin-left: 0;
+}
+
+.modules-right > widget:last-child > #workspaces {
+    margin-right: 0;
+}
+
+#network.disconnected {
+background-color: @red;
+}
+
+#temperature.critical {
+background-color: @red;
+}

system-master/assets/conf/dev/terminal/alacritty.toml

@@ -0,0 +1,64 @@
+##############################################
+# These files are just for reference.
+# If you want to change anything, edit the source files in:
+#   ~/system-master/assets/conf
+#
+# After that, run:
+#   cd ~/system-master && emacs README.org --batch -f org-babel-tangle && git add . && git commit -m "Adjusted conf files" && sudo nixos-rebuild switch --flake .#<yourhost>
+#
+# If everything still works, you can use the same command but:
+# - keep "switch"
+# - and add a reboot:
+#
+#   cd ~/system-master && sudo nixos-rebuild switch --flake .#<yourhost> && systemctl reboot
+#
+# NOTE:
+# Make sure the lines starting with: cd ~/system-master
+# are written as ONE single line.
+##############################################
+
+# ============================================
+# Alacritty config (TOML)
+# Path: ~/.config/alacritty/alacritty.toml
+# Source-of-truth: assets/conf/dev/alacritty.toml
+# ============================================
+
+[terminal.shell]
+program = "zsh"
+
+[font]
+size = 12.0
+
+[font.normal]
+family = "Aporetic Sans Mono"
+style = "Regular"
+
+[font.bold]
+family = "Aporetic Sans Mono"
+style = "Bold"
+
+[font.italic]
+family = "Aporetic Sans Mono"
+style = "Italic"
+
+[window]
+dynamic_padding = false
+decorations = "Full"
+
+[window.padding]
+x = 4
+y = 4
+
+[scrolling]
+history = 10000
+multiplier = 3
+
+[mouse]
+hide_when_typing = true
+
+[cursor]
+style = "Block"
+unfocused_hollow = true
+
+[selection]
+save_to_clipboard = true

system-master/assets/conf/dev/terminal/aliases.conf

@@ -0,0 +1,67 @@
+##############################################
+# Aliases (source-of-truth)
+#
+# This file is written in bash/zsh alias syntax in [bash_zsh], [bash_specific], [zsh_specific].
+# Fish has different syntax; the Nix module translates [bash_zsh] into fish format and then
+# appends [fish_specific] as-is.
+##############################################
+
+##############################################
+# Generic aliases (bash/zsh)
+# These are intended to be available in bash and zsh.
+##############################################
+[bash_zsh]
+alias ll='ls -lah'
+alias gs='git status'
+alias ga='git add'
+alias gc='git commit'
+alias gp ='git push'
+alias gcp = 'git add . && git commit && git push'
+
+alias cd ='z'
+
+alias emt ='emacs README.org --batch -f org-babel-tangle && emacs -Q --batch README.org -f org-html-export-to-html'
+alias nxs='cd ~/Repos/nextcloud_ecosystem/system-master/ && sudo nixos-rebuild switch --flake .#traveldroid'
+alias nxt='cd ~/Repos/nextcloud_ecosystem/system-master/ && sudo nixos-rebuild test --flake .#traveldroid'
+alias nxv='cd ~/Repos/nextcloud_ecosystem/system-master/ && sudo nixos-rebuild build-vm --flake .#traveldroid && "$(ls -1 ./result/bin/run-*-vm | head -n 1)"'
+
+alias rb='systemctl reboot'
+alias po='systemctl poweroff'
+
+alias fpl='flatpak search'
+alias fpi='flatpak install'
+alias fpr='flatpak run'
+
+alias nxc='ssh henrov@nextcloud.data-pro.nu'
+alias nps='xdg-open https://search.nixos.org'
+
+alias vs='code'
+
+
+##############################################
+# Shell-specific aliases / examples
+#
+# Everything below is COMMENTED OUT on purpose.
+# These examples show syntax or commands that are shell-specific
+# (or behave differently across shells).
+##############################################
+
+[bash_specific]
+# Enable recursive globbing (**)
+# alias sg='shopt -s globstar'
+
+[zsh_specific]
+# Recursive globbing works by default in zsh; this prints matches one-per-line
+# alias recglob='print -l **/*.nix'
+
+[fish_specific]
+# Fish has its own language; this is fish-only syntax (not bash/zsh)
+# alias setvar='set -gx EDITOR emacs'
+
+[dash_specific]
+# dash is a minimal POSIX shell; shown here only as an example
+# alias com='command -v ls'
+
+[nushell_specific]
+# Nushell pipelines structured data; this is nu-only syntax
+# alias fbf='ls | where size > 1mb | get name'

system-master/assets/conf/dev/terminal/enabled_shells.conf

@@ -0,0 +1,15 @@
+##############################################
+# Enabled shells (source-of-truth)
+#
+# Edit this file in the repo:
+#   ./assets/conf/dev/terminal/enabled_shells.conf
+#
+# After changing, rebuild Home Manager / your system as you normally do.
+##############################################
+
+[enabled_shells]
+bash = yes
+zsh  = yes
+fish = no
+dash = no
+nushell = no

system-master/assets/conf/dev/terminal/kitty.conf

@@ -0,0 +1,31 @@
+##############################################
+# These files are just for reference.
+# If you want to change anything, edit the source files in:
+#   ~/system-master/assets/conf
+#
+# After that, run:
+#   cd ~/system-master && emacs README.org --batch -f org-babel-tangle && git add . && git commit -m "Adjusted conf files" && sudo nixos-rebuild switch --flake .#<yourhost>
+#
+# If everything still works, you can use the same command but:
+# - keep "switch"
+# - and add a reboot:
+#
+#   cd ~/system-master && sudo nixos-rebuild switch --flake .#<yourhost> && systemctl reboot
+#
+# NOTE:
+# Make sure the lines starting with: cd ~/system-master
+# are written as ONE single line.
+###############################################
+#~/nixos/files/conf/terminal/kitty.conf
+
+# Kitty config (https://sw.kovidgoyal.net/kitty/conf/)
+#
+# Edit freely; NixOS will inject this file verbatim via programs.kitty.extraConfig.
+
+# Example baseline settings:
+background_opacity 0.60
+dynamic_background_opacity yes
+
+# Suggested: allow ctrl+shift+v paste (many distros default this already)
+map ctrl+shift+v paste_from_clipboard
+map ctrl+shift+c copy_to_clipboard

system-master/assets/conf/dev/terminal/starship.toml

@@ -0,0 +1,279 @@
+"$schema" = 'https://starship.rs/config-schema.json'
+
+format = """
+[](red)\
+$os\
+$username\
+[](bg:peach fg:red)\
+$directory\
+[](bg:yellow fg:peach)\
+$git_branch\
+$git_status\
+[](fg:yellow bg:green)\
+$c\
+$rust\
+$golang\
+$nodejs\
+$php\
+$java\
+$kotlin\
+$haskell\
+$python\
+[](fg:green bg:sapphire)\
+$conda\
+[](fg:sapphire bg:lavender)\
+$time\
+[ ](fg:lavender)\
+$cmd_duration\
+$line_break\
+$character"""
+
+palette = 'catppuccin_mocha'
+
+[os]
+disabled = false
+style = "bg:red fg:crust"
+
+[os.symbols]
+Windows = ""
+Ubuntu = "󰕈"
+SUSE = ""
+Raspbian = "󰐿"
+Mint = "󰣭"
+Macos = "󰀵"
+Manjaro = ""
+Linux = "󰌽"
+Gentoo = "󰣨"
+Fedora = "󰣛"
+Alpine = ""
+Amazon = ""
+Android = ""
+AOSC = ""
+Arch = "󰣇"
+Artix = "󰣇"
+CentOS = ""
+Debian = "󰣚"
+Redhat = "󱄛"
+RedHatEnterprise = "󱄛"
+
+[username]
+show_always = true
+style_user = "bg:red fg:crust"
+style_root = "bg:red fg:crust"
+format = '[ $user]($style)'
+
+[directory]
+style = "bg:peach fg:crust"
+format = "[ $path ]($style)"
+truncation_length = 3
+truncation_symbol = "…/"
+
+[directory.substitutions]
+"Documents" = "󰈙 "
+"Downloads" = " "
+"Music" = "󰝚 "
+"Pictures" = " "
+"Developer" = "󰲋 "
+
+[git_branch]
+symbol = ""
+style = "bg:yellow"
+format = '[[ $symbol $branch ](fg:crust bg:yellow)]($style)'
+
+[git_status]
+style = "bg:yellow"
+format = '[[($all_status$ahead_behind )](fg:crust bg:yellow)]($style)'
+
+[nodejs]
+symbol = ""
+style = "bg:green"
+format = '[[ $symbol( $version) ](fg:crust bg:green)]($style)'
+
+[c]
+symbol = " "
+style = "bg:green"
+format = '[[ $symbol( $version) ](fg:crust bg:green)]($style)'
+
+[rust]
+symbol = ""
+style = "bg:green"
+format = '[[ $symbol( $version) ](fg:crust bg:green)]($style)'
+
+[golang]
+symbol = ""
+style = "bg:green"
+format = '[[ $symbol( $version) ](fg:crust bg:green)]($style)'
+
+[php]
+symbol = ""
+style = "bg:green"
+format = '[[ $symbol( $version) ](fg:crust bg:green)]($style)'
+
+[java]
+symbol = " "
+style = "bg:green"
+format = '[[ $symbol( $version) ](fg:crust bg:green)]($style)'
+
+[kotlin]
+symbol = ""
+style = "bg:green"
+format = '[[ $symbol( $version) ](fg:crust bg:green)]($style)'
+
+[haskell]
+symbol = ""
+style = "bg:green"
+format = '[[ $symbol( $version) ](fg:crust bg:green)]($style)'
+
+[python]
+symbol = ""
+style = "bg:green"
+format = '[[ $symbol( $version)(\(#$virtualenv\)) ](fg:crust bg:green)]($style)'
+
+[docker_context]
+symbol = ""
+style = "bg:sapphire"
+format = '[[ $symbol( $context) ](fg:crust bg:sapphire)]($style)'
+
+[conda]
+symbol = "  "
+style = "fg:crust bg:sapphire"
+format = '[$symbol$environment ]($style)'
+ignore_base = false
+
+[time]
+disabled = false
+time_format = "%R"
+style = "bg:lavender"
+format = '[[  $time ](fg:crust bg:lavender)]($style)'
+
+[line_break]
+disabled = false
+
+[character]
+disabled = false
+success_symbol = '[❯](bold fg:green)'
+error_symbol = '[❯](bold fg:red)'
+vimcmd_symbol = '[❮](bold fg:green)'
+vimcmd_replace_one_symbol = '[❮](bold fg:lavender)'
+vimcmd_replace_symbol = '[❮](bold fg:lavender)'
+vimcmd_visual_symbol = '[❮](bold fg:yellow)'
+
+[cmd_duration]
+show_milliseconds = true
+format = " in $duration "
+style = "bg:lavender"
+disabled = false
+show_notifications = true
+min_time_to_notify = 45000
+
+[palettes.catppuccin_mocha]
+rosewater = "#f5e0dc"
+flamingo = "#f2cdcd"
+pink = "#f5c2e7"
+mauve = "#cba6f7"
+red = "#f38ba8"
+maroon = "#eba0ac"
+peach = "#fab387"
+yellow = "#f9e2af"
+green = "#a6e3a1"
+teal = "#94e2d5"
+sky = "#89dceb"
+sapphire = "#74c7ec"
+blue = "#89b4fa"
+lavender = "#b4befe"
+text = "#cdd6f4"
+subtext1 = "#bac2de"
+subtext0 = "#a6adc8"
+overlay2 = "#9399b2"
+overlay1 = "#7f849c"
+overlay0 = "#6c7086"
+surface2 = "#585b70"
+surface1 = "#45475a"
+surface0 = "#313244"
+base = "#1e1e2e"
+mantle = "#181825"
+crust = "#11111b"
+
+[palettes.catppuccin_frappe]
+rosewater = "#f2d5cf"
+flamingo = "#eebebe"
+pink = "#f4b8e4"
+mauve = "#ca9ee6"
+red = "#e78284"
+maroon = "#ea999c"
+peach = "#ef9f76"
+yellow = "#e5c890"
+green = "#a6d189"
+teal = "#81c8be"
+sky = "#99d1db"
+sapphire = "#85c1dc"
+blue = "#8caaee"
+lavender = "#babbf1"
+text = "#c6d0f5"
+subtext1 = "#b5bfe2"
+subtext0 = "#a5adce"
+overlay2 = "#949cbb"
+overlay1 = "#838ba7"
+overlay0 = "#737994"
+surface2 = "#626880"
+surface1 = "#51576d"
+surface0 = "#414559"
+base = "#303446"
+mantle = "#292c3c"
+crust = "#232634"
+
+[palettes.catppuccin_latte]
+rosewater = "#dc8a78"
+flamingo = "#dd7878"
+pink = "#ea76cb"
+mauve = "#8839ef"
+red = "#d20f39"
+maroon = "#e64553"
+peach = "#fe640b"
+yellow = "#df8e1d"
+green = "#40a02b"
+teal = "#179299"
+sky = "#04a5e5"
+sapphire = "#209fb5"
+blue = "#1e66f5"
+lavender = "#7287fd"
+text = "#4c4f69"
+subtext1 = "#5c5f77"
+subtext0 = "#6c6f85"
+overlay2 = "#7c7f93"
+overlay1 = "#8c8fa1"
+overlay0 = "#9ca0b0"
+surface2 = "#acb0be"
+surface1 = "#bcc0cc"
+surface0 = "#ccd0da"
+base = "#eff1f5"
+mantle = "#e6e9ef"
+crust = "#dce0e8"
+
+[palettes.catppuccin_macchiato]
+rosewater = "#f4dbd6"
+flamingo = "#f0c6c6"
+pink = "#f5bde6"
+mauve = "#c6a0f6"
+red = "#ed8796"
+maroon = "#ee99a0"
+peach = "#f5a97f"
+yellow = "#eed49f"
+green = "#a6da95"
+teal = "#8bd5ca"
+sky = "#91d7e3"
+sapphire = "#7dc4e4"
+blue = "#8aadf4"
+lavender = "#b7bdf8"
+text = "#cad3f5"
+subtext1 = "#b8c0e0"
+subtext0 = "#a5adcb"
+overlay2 = "#939ab7"
+overlay1 = "#8087a2"
+overlay0 = "#6e738d"
+surface2 = "#5b6078"
+surface1 = "#494d64"
+surface0 = "#363a4f"
+base = "#24273a"
+mantle = "#1e2030"
+crust = "#181926"

system-master/assets/conf/dev/terminal/zsh.conf

@@ -0,0 +1,30 @@
+##############################################
+# These files are just for reference.
+# If you want to change anything, edit the source files in:
+#   ~/system-master/assets/conf
+#
+# After that, run:
+#   cd ~/system-master && emacs README.org --batch -f org-babel-tangle && git add . && git commit -m "Adjusted conf files" && sudo nixos-rebuild switch --flake .#<yourhost>
+#
+# If everything still works, you can use the same command but:
+# - keep "switch"
+# - and add a reboot:
+#
+#   cd ~/system-master && sudo nixos-rebuild switch --flake .#<yourhost> && systemctl reboot
+#
+# NOTE:
+# Make sure the lines starting with: cd ~/system-master
+# are written as ONE single line.
+###############################################
+#~/nixos/files/conf/terminal/zsh.conf
+
+# Additional zsh configuration sourced for every interactive zsh shell.
+# Keep this file POSIX-ish; it is sourced by zsh.
+
+# Example: history settings
+HISTFILE="$HOME/.zsh_history"
+HISTSIZE=10000
+SAVEHIST=10000
+
+setopt HIST_IGNORE_ALL_DUPS
+setopt SHARE_HISTORY

system-master/assets/conf/security/ssh/ssh-client.conf

@@ -0,0 +1,22 @@
+##############################################
+# These files are just for reference.
+# If you want to change anything, edit the source files in:
+#   ~/system-master/assets/conf
+#
+# After that, run:
+#   cd ~/system-master && emacs README.org --batch -f org-babel-tangle && git add . && git commit -m "Adjusted conf files" && sudo nixos-rebuild switch --flake .#<yourhost>
+#
+# If everything still works, you can use the same command but:
+# - keep "switch"
+# - and add a reboot:
+#
+#   cd ~/system-master && sudo nixos-rebuild switch --flake .#<yourhost> && systemctl reboot
+#
+# NOTE:
+# Make sure the lines starting with: cd ~/system-master
+# are written as ONE single line.
+##############################################
+Host *
+  AddKeysToAgent yes
+  ServerAliveInterval 30
+  ServerAliveCountMax 3