fix: automated tmux statusbar color now works as it should (only tested

on linux)

flake.nix

@@ -113,6 +113,8 @@
         }:
         let
           pkgs = get_pkgs { inherit system; };
+          isLinux = lib.hasSuffix "-linux" system;
+          isDarwin = lib.hasSuffix "-darwin" system;
         in
         home-manager.lib.homeManagerConfiguration {
           pkgs = pkgs;
@@ -126,6 +128,8 @@
             nur = nur.legacyPackages.${system};
             ghosttyPkg = ghostty.packages.${system}.ghostty;
             colorsync = colorsync.packages.${system}.default;
+            isLinux = isLinux;
+            isDarwin = isDarwin;
           };
         };
     in

nix/home/common/watchman_tmux.nix

@@ -0,0 +1,66 @@
+{
+  pkgs,
+  lib,
+  config,
+  isLinux,
+  isDarwin,
+  ...
+}:
+
+let
+  scriptPkg = pkgs.writeShellScriptBin "tmux-watchman-statuscolor" ''
+    set -euo pipefail
+
+    ROOT="$HOME/.local/state/colorsync"
+    TRIGGER_NAME="tmux_statusbar_color"
+    SCRIPT="$HOME/.config/tmux/tmux-statusbar-color.sh"
+    WATCHMAN="${pkgs.watchman}/bin/watchman"
+
+    "$WATCHMAN" -- watch-project "$ROOT" >/dev/null
+    "$WATCHMAN" -- trigger-del "$ROOT" "$TRIGGER_NAME" >/dev/null 2>&1 || true
+    "$WATCHMAN" -- trigger "$ROOT" "$TRIGGER_NAME" current -- bash "$SCRIPT"
+  '';
+
+  pathForService = lib.makeBinPath [
+    pkgs.watchman
+    pkgs.bash
+    pkgs.coreutils
+  ];
+
+  linuxAttrs = lib.optionalAttrs isLinux {
+    systemd.user.startServices = "sd-switch";
+    systemd.user.services.tmux-watchman = {
+      Unit = {
+        Description = "Register watchman trigger for tmux statusbar color";
+        After = [ "graphical-session.target" ];
+      };
+      Service = {
+        Type = "oneshot";
+        ExecStart = "${scriptPkg}/bin/tmux-watchman-statuscolor";
+        Environment = [ "PATH=${pathForService}" ];
+        StandardOutput = "journal";
+        StandardError = "journal";
+      };
+      Install = {
+        WantedBy = [ "default.target" ];
+      };
+    };
+  };
+
+  darwinAttrs = lib.optionalAttrs isDarwin {
+    launchd.user.agents.tmux-watchman = {
+      enable = true;
+      config = {
+        ProgramArguments = [ "${scriptPkg}/bin/tmux-watchman-statuscolor" ];
+        RunAtLoad = true;
+        KeepAlive = false;
+        EnvironmentVariables = {
+          PATH = pathForService;
+        };
+        StandardOutPath = "${config.home.homeDirectory}/Library/Logs/tmux-watchman.log";
+        StandardErrorPath = "${config.home.homeDirectory}/Library/Logs/tmux-watchman.err";
+      };
+    };
+  };
+in
+linuxAttrs // darwinAttrs

nix/home/darwin.nix

@@ -18,10 +18,6 @@ let
   ];
 in
 {
-  imports = [
-    ./common/firefox.nix
-  ];
-
   home = {
     packages = with pkgs; [
       gawk

nix/home/default.nix

@@ -66,6 +66,11 @@ let
   '';
 in
 {
+  imports = [
+    ./common/watchman_tmux.nix
+    ./common/firefox.nix
+  ];
+
   programs = {
     zsh = {
       enable = true;

nix/home/linux.nix

@@ -31,7 +31,6 @@ in
 {
   imports = [
     ./common/theming.nix
-    ./common/firefox.nix
   ];
 
   programs = {

tmux/tmux-watchman-statuscolor-trigger.sh

@@ -1,4 +1,14 @@
 #!/usr/bin/env bash
+set -euo pipefail
 
-watchman watch-project "$HOME/.local/state/colorsync"
-watchman -- trigger  "$HOME/.local/state/colorsync" tmux_statusbar_color 'current' -- bash "$HOME/.config/tmux/tmux-statusbar-color.sh"
+ROOT="$HOME/.local/state/colorsync"
+TRIGGER_NAME="tmux_statusbar_color"
+SCRIPT="$HOME/.config/tmux/tmux-statusbar-color.sh"
+WATCHMAN="watchman"
+
+"$WATCHMAN" watch-project "$ROOT" >/dev/null
+"$WATCHMAN" -- trigger-del "$ROOT" "$TRIGGER_NAME" >/dev/null 2>&1 || true
+"$WATCHMAN" -- trigger "$ROOT" "$TRIGGER_NAME" 'current' -- bash "$SCRIPT"
+# watchman -- trigger  "$HOME/.local/state/colorsync" tmux_statusbar_color 'current' -- bash "$HOME/.config/tmux/tmux-statusbar-color.sh"
+
+# watchman watch-project "$HOME/.local/state/colorsync"

tmux/tmux.conf

@@ -124,13 +124,11 @@ set-hook -g pane-focus-in "run-shell '~/.config/tmux/tmux-rename-window.sh | xar
 # Set the right status: Battery, date and time, session name
 set -g status-right "#($HOME/.config/tmux/tmux-status-right.sh)"
 run-shell '~/.config/tmux/tmux-statusbar-color.sh'
-run-shell '~/.config/tmux/tmux-watchman-statuscolor.sh'
 
 set -g status-style bold
 
 # SSH agent forwarding
 set-option -g update-environment "SSH_AUTH_SOCK SSH_CONNECTION"
 setenv -g SSH_AUTH_SOCK $HOME/.ssh/ssh_auth_sock
-
 set -g @plugin "tmux-plugins/tpm"
 run "~/dev/git/tpm/tpm"

zsh/.zshrc

@@ -224,3 +224,6 @@ if [[ -n "$TMUX" ]]; then
         tmux rename-window "$name"
     }
 fi
+
+# just call watchman to jumpstart the daemon
+watchman watch-list >/dev/null 2>&1