Save screenshots to file and add Print key binding

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

alex/core.nix

@@ -16,6 +16,12 @@
     tm    = "tmux attach || tmux";
   };
 
+  programs.direnv = {
+	enable = true;
+	# enableFishIntegration = true;
+	nix-direnv.enable = true;
+};
+
   home.file.".config/atuin/config.toml".source = ./atuin/config.toml;
   home.file.".config/nvim/init.lua".source = ./nvim/init.lua;
   home.file.".config/tmux/tmux.conf".source = ./tmux/tmux.conf;

alex/desktop.nix

@@ -27,6 +27,8 @@
     chromium
     loupe
     papers
+    brightnessctl
+    wev
   ];
 
   programs.ghostty = {
@@ -41,7 +43,14 @@
   xdg.mimeApps = {
     enable = true;
     defaultApplications = {
-      "image/jpeg" = [ "loupe" ];
+      "text/html"                = "firefox.desktop";
+      "x-scheme-handler/http"    = "firefox.desktop";
+      "x-scheme-handler/https"   = "firefox.desktop";
+      "x-scheme-handler/about"   = "firefox.desktop";
+      "x-scheme-handler/unknown" = "firefox.desktop";
+
+      "image/jpeg" = [ "org.gnome.Loupe.desktop" ];
+      "image/jpg"  = [ "org.gnome.Loupe.desktop" ];
       "image/png"  = [ "org.gnome.Loupe.desktop" ];
       "image/gif"  = [ "org.gnome.Loupe.desktop" ];
       "image/webp" = [ "org.gnome.Loupe.desktop" ];

alex/personal.nix

@@ -10,7 +10,15 @@ in
   home.packages = with pkgs; [
     foliate
     inputs.locutus.packages.${pkgs.stdenv.hostPlatform.system}.default
-    jrnl
+    # jrnl
+    # disable tests for now until the bug is fixed
+    # https://github.com/NixOS/nixpkgs/issues/476190
+    # https://github.com/NixOS/nixpkgs/pull/479705
+    (jrnl.overrideAttrs (old: {
+      disabledTests = (old.disabledTests or []) ++ [
+        "test_override_configured_linewrap_with_a_value_of_23"
+      ];
+    }))
     mullvad-browser
     tor-browser
     exiftool
@@ -18,12 +26,33 @@ in
     shotwell
     nextcloud-client
     bitwarden-desktop
-    signal-desktop
+    (symlinkJoin {
+      name = "signal-desktop-wrapped";
+      paths = [ signal-desktop ];
+      nativeBuildInputs = [ makeWrapper ];
+      postBuild = ''
+        rm $out/bin/signal-desktop
+        makeWrapper ${signal-desktop}/bin/signal-desktop $out/bin/signal-desktop \
+          --add-flags "--password-store=gnome-libsecret"
+      '';
+    })
     spotify
-    gemini-cli
+    unstable.gemini-cli
+    unstable.claude-code
 
     foliate
 
+    wine
+    lutris
+    steam
+
+    gqrx
+    sdrpp
+    rtl-sdr
+    rtl_433
+
+    ledger-live-desktop
+
     (symlinkJoin {
      name = "darktable";
      paths = [ unstable.darktable ];

alex/sway.nix

@@ -162,9 +162,13 @@ in
         "${modifier}+Shift+c" = "reload";
         "${modifier}+Shift+e" = "exec swaynag -t warning -m 'You pressed the exit shortcut. Do you really want to exit sway? This will end your Wayland session.' -B 'Yes, exit sway' 'swaymsg exit'";
 
+        "${modifier}+b" = "exec firefox";
+
         "${modifier}+Shift+l" = "exec swaylock -f";
 
-        "${modifier}+Shift+s" = "exec grim -g \"$(slurp)\" - | wl-copy";
+        "${modifier}+Shift+s" = "exec grim -g \"$(slurp)\" - | tee \"/home/alex/Pictures/Screenshots/$(date +'%Y%m%d_%Hh%Mm%Ss_grim.png')\" | wl-copy";
+
+        "Print" = "exec grim - | tee \"/home/alex/Pictures/Screenshots/$(date +'%Y%m%d_%Hh%Mm%Ss_grim.png')\" | wl-copy";
 
         # Workspaces
         "--whole-window ${modifier}+button4" = "workspace prev";
@@ -173,8 +177,8 @@ in
         "XF86AudioRaiseVolume" = "exec wpctl set-volume @DEFAULT_AUDIO_SINK@ 5%+";
         "XF86AudioLowerVolume" = "exec wpctl set-volume @DEFAULT_AUDIO_SINK@ 5%-";
         "XF86AudioMute" = "exec wpctl set-mute @DEFAULT_AUDIO_SINK@ toggle";
-        "XF86MonBrightnessUp" = "exec light -A 5";
+        "XF86MonBrightnessUp" = "exec brightnessctl set 10%+";
-        "XF86MonBrightnessDown" = "exec light -U 5";
+        "XF86MonBrightnessDown" = "exec brightnessctl set 10%-";
       };
     };
 
@@ -266,7 +270,7 @@ in
         terminal = "${pkgs.wezterm}/bin/wezterm";
         layer = "overlay";
         width = 100;
-        line-height = 40;
+        line-height = 25;
         font = "JetBrainsMono Nerd Font:size=12";
       };
       colors = {

alex/tmux/tmux.conf.local

@@ -37,7 +37,7 @@ tmux_conf_new_session_retain_current_path=false
 #   - true
 #   - false (default)
 #   - disabled (do not modify new-window bindings)
-tmux_conf_new_window_retain_current_path=false
+tmux_conf_new_window_retain_current_path=true
 
 # new window tries to reconnect ssh sessions, possible values are:
 #   - true

flake.lock

@@ -25,11 +25,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1767514898,
+        "lastModified": 1773264488,
-        "narHash": "sha256-ONYqnKrPzfKEEPChoJ9qPcfvBqW9ZgieDKD7UezWPg4=",
+        "narHash": "sha256-rK0507bDuWBrZo+0zts9bCs/+RRUEHuvFE5DHWPxX/Q=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "7a06e8a2f844e128d3b210a000a62716b6040b7f",
+        "rev": "5c0f63f8d55040a7eed69df7e3fcdd15dfb5a04c",
         "type": "github"
       },
       "original": {
@@ -76,11 +76,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1767379071,
+        "lastModified": 1773282481,
-        "narHash": "sha256-EgE0pxsrW9jp9YFMkHL9JMXxcqi/OoumPJYwf+Okucw=",
+        "narHash": "sha256-b/GV2ysM8mKHhinse2wz+uP37epUrSE+sAKXy/xvBY4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "fb7944c166a3b630f177938e478f0378e64ce108",
+        "rev": "fe416aaedd397cacb33a610b33d60ff2b431b127",
         "type": "github"
       },
       "original": {
@@ -92,11 +92,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1767325753,
+        "lastModified": 1773375660,
-        "narHash": "sha256-yA/CuWyqm+AQo2ivGy6PlYrjZBQm7jfbe461+4HF2fo=",
+        "narHash": "sha256-SEzUWw2Rf5Ki3bcM26nSKgbeoqi2uYy8IHVBqOKjX3w=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "64049ca74d63e971b627b5f3178d95642e61cedd",
+        "rev": "3e20095fe3c6cbb1ddcef89b26969a69a1570776",
         "type": "github"
       },
       "original": {

hosts/count/configuration.nix

@@ -24,6 +24,27 @@
   # Use latest kernel.
   boot.kernelPackages = pkgs.linuxPackages_latest;
 
+# Enable AMD GPU drivers
+	boot.initrd.kernelModules = [ "amdgpu" ];
+	services.xserver.videoDrivers = [ "amdgpu" ];
+
+	# Enable ROCm support
+	hardware.graphics.enable = true;
+	hardware.amdgpu.opencl.enable = true;
+
+	# Add the ROCm packages to your system
+	environment.systemPackages = with pkgs; [
+		rocmPackages.rocminfo
+		rocmPackages.rocm-smi
+	];
+
+	services.ollama = {
+		enable = true;
+		acceleration = "rocm";
+		# Force the RX 6600 to use compatible ROCm kernels
+		rocmOverrideGfx = "10.3.0";
+	};
+
   # Setup keyfile
   boot.initrd.secrets = {
     "/boot/crypto_keyfile.bin" = null;

hosts/modules/base.nix

@@ -1,32 +1,47 @@
 { config, pkgs, inputs, ... }:
 {
   # Define a user account. Don't forget to set a password with ‘passwd’.
-  users.users.alex = {
+  users = {
+		users.alex = {
 			isNormalUser = true;
 			description = "Alexander Wainwright";
-    extraGroups = [ "networkmanager" "wheel" ];
+			extraGroups = [
+				"dialout"
+				"input"
+				"networkmanager"
+				"plugdev"
+				"render"
+				"video"
+				"wheel"
+				];
 			packages = with pkgs; [
 			#  thunderbird
 			];
 			shell = pkgs.fish;
 		};
+		groups.pluggdev = {};
+	};
+
+	services.udev.packages = [ pkgs.rtl-sdr ];
 
   # this is to avoid some problem that happens apparently only when fish is
   # enabled, where generating man cahes takes a very long time. note that it may
   # break fish man completion and apropos.
   documentation.man.generateCaches = false;
 
-  # enable a 1GB swap file
-  swapDevices = [{
-    device = "/swapfile";
-    size = 1024;
-  }];
-
   # enable zram. not totally sure if this does it in physical ram or just swap
   zramSwap.enable = true;
 
+  boot.kernel.sysctl = {
+    "vm.swappiness" = 10;
+  };
+
   # enable earlyoom to stop the system becoming unresponsive when out of ram
-  services.earlyoom.enable = true;
+  services.earlyoom = {
+    enable = true;
+    freeMemThreshold = 10;
+    freeSwapThreshold = 90;
+  };
 
   networking.firewall.allowedTCPPorts = [ 8000 8080 ];
 
@@ -54,6 +69,19 @@
   # fish shell
   programs.fish.enable = true;
 
+  # direnv
+  programs.direnv = {
+    enable = true;
+    package = pkgs.direnv;
+    silent = false;
+    loadInNixShell = true;
+    direnvrcExtra = "";
+    nix-direnv = {
+      enable = true;
+      package = pkgs.nix-direnv;
+    };
+  };
+
   # Create a library path that only applies to unpackaged programs by using
   # nix-ldo
   # https://nix.dev/guides/faq#how-to-run-non-nix-executables
@@ -109,6 +137,9 @@
   # Enable the OpenSSH daemon.
   services.openssh.enable = true;
 
+  # enable mosh
+  programs.mosh.enable  = true;
+
   # Open ports in the firewall.
   # networking.firewall.allowedTCPPorts = [ ... ];
   # networking.firewall.allowedUDPPorts = [ ... ];
@@ -140,6 +171,10 @@
     wireguard-tools
     zip
 
+    # maths
+    bc
+    libqalculate
+
     # build tools
     binutils
     cmake

hosts/modules/server.nix

@@ -5,7 +5,4 @@
     "192.168.1.80"
     "192.168.1.20"
   ];
-
-  # enable mosh
-  programs.mosh.enable  = true;
 }