fix(waybar): bar pokes missed the wrapped process — switches never touched the bar

nixpkgs wraps waybar, so the running comm is `.waybar-wrapped`:
`pkill -x waybar` (state-sync restart/SIGUSR2 branches, tz-watch,
updates) matched nothing — a theme switch neither restarted nor reloaded
the bar, which then kept the gtk.css of whatever theme it started under
(the stale workspace-digit colors reported 2026-07-18; companion gtk fix
in the next commit). The unanchored pokes (recording, airplane,
theme-shot) had the opposite bug: `waybar` substring-matches the
supervisor's `nomarchy-waybar` comm too, and an unhandled RTMIN
terminates its bash — the pokes were killing the crash guard. All seven
sites now use `pkill … -x 'waybar|\.waybar-wrapped'`.
state-sync 0.5.1 → 0.5.2.

Verified live on Newton (V3-grade): new pattern restarts the bar under
the supervisor (fresh pid, supervisor alive); RTMIN+10 poke reaches the
bar, supervisor survives. V0 `nix flake check --no-build` + py_compile;
V1 HM generation + system toplevel build.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

modules/home/recording.nix

@@ -18,7 +18,10 @@ lib.mkIf config.nomarchy.rofi.enable {
       filefile="$run/nomarchy-record.file"
 
       alive() { [ -f "$pidfile" ] && kill -0 "$(cat "$pidfile")" 2>/dev/null; }
-      poke_bar() { pkill -RTMIN+8 waybar 2>/dev/null || true; }
+      # -x, both comm names: nixpkgs wraps the binary as `.waybar-wrapped`,
+      # and an unanchored `waybar` also matches (and kills) the
+      # nomarchy-waybar supervisor, whose bash dies on an unhandled RTMIN.
+      poke_bar() { pkill -RTMIN+8 -x 'waybar|\.waybar-wrapped' 2>/dev/null || true; }
 
       case "''${1:-}" in
         start)

modules/home/timezone.nix

@@ -24,7 +24,8 @@ let
       cur=$(${pkgs.systemd}/bin/timedatectl show -p Timezone --value 2>/dev/null || true)
       [ "$cur" = "$last" ] && continue
       last=$cur
-      ${pkgs.procps}/bin/pkill -SIGUSR2 -x waybar 2>/dev/null || true
+      # Both comm names: nixpkgs wraps the binary as `.waybar-wrapped`.
+      ${pkgs.procps}/bin/pkill -SIGUSR2 -x 'waybar|\.waybar-wrapped' 2>/dev/null || true
     done
   '';
 in

modules/home/updates.nix

@@ -71,7 +71,8 @@ let
       echo 0
     }
 
-    refresh_bar() { ${pkgs.procps}/bin/pkill -RTMIN+9 -x waybar 2>/dev/null || true; }
+    # Both comm names: nixpkgs wraps the binary as `.waybar-wrapped`.
+    refresh_bar() { ${pkgs.procps}/bin/pkill -RTMIN+9 -x 'waybar|\.waybar-wrapped' 2>/dev/null || true; }
 
     case "''${1:-status}" in
       check)

modules/home/waybar.nix

@@ -36,9 +36,10 @@ let
   # Waybar supervisor — exec-once has no restart, so a crashed bar used to
   # leave the session bar-less until relogin (seen on hardware: a theme
   # switch crashed waybar mid-reload). Respawns on ANY exit — a plain
-  # `pkill -x waybar` is now a clean restart, which nomarchy-state-sync
-  # uses instead of the crash-prone in-place SIGUSR2 reload when it sees
-  # this supervisor running. Crash-loop guard: 5 exits within 10s of
+  # `pkill -x 'waybar|\.waybar-wrapped'` (nixpkgs wraps the binary, so
+  # the comm is `.waybar-wrapped`) is now a clean restart, which
+  # nomarchy-state-sync uses instead of the crash-prone in-place SIGUSR2
+  # reload when it sees this supervisor running. Crash-loop guard: 5 exits within 10s of
   # their start → give up with a critical notification instead of
   # spinning. Stop the bar for real: pkill -f nomarchy-waybar (TERM is
   # trapped to take the child down too).

pkgs/nomarchy-airplane/default.nix

@@ -22,8 +22,11 @@ writeShellScriptBin "nomarchy-airplane" ''
     networkmanager util-linux bluez coreutils gnugrep gawk libnotify procps
   ]}
 
+  # -x, both comm names: nixpkgs wraps the binary as `.waybar-wrapped`,
+  # and an unanchored `waybar` also matches (and kills) the
+  # nomarchy-waybar supervisor, whose bash dies on an unhandled RTMIN.
   poke_bar() {
-    pkill -RTMIN+11 waybar 2>/dev/null || true
+    pkill -RTMIN+11 -x 'waybar|\.waybar-wrapped' 2>/dev/null || true
   }
 
   wifi_enabled() {

pkgs/nomarchy-state-sync/default.nix

@@ -16,7 +16,7 @@
 
 stdenvNoCC.mkDerivation {
   pname = "nomarchy-state-sync";
-  version = "0.5.1";
+  version = "0.5.2";
 
   src = ./.;
 

pkgs/nomarchy-state-sync/nomarchy-state-sync.py

@@ -447,14 +447,23 @@ def run_switch() -> None:
     # reload_style_on_change while the symlinks flip), so prefer the
     # restart whenever the supervisor is there to catch it; fall back to
     # SIGUSR2 for unsupervised/custom bars. No-ops if nothing is running.
+    # The pattern matches both comm names: nixpkgs wraps the binary, so
+    # the process is `.waybar-wrapped` — a bare `pkill -x waybar` matched
+    # nothing, theme switches never touched the bar, and it kept the
+    # gtk.css of whatever theme it was started under (the 2026-07-19
+    # stale-digit-color bug). Keep -x: unanchored `waybar` also matches
+    # the supervisor's own `nomarchy-waybar` comm and would kill it.
     if shutil.which("pkill"):
         supervised = subprocess.run(
             ["pgrep", "-f", "nomarchy-waybar"], capture_output=True
         ).returncode == 0
         if supervised:
-            subprocess.run(["pkill", "-x", "waybar"], check=False)
+            subprocess.run(["pkill", "-x", r"waybar|\.waybar-wrapped"], check=False)
         else:
-            subprocess.run(["pkill", "--signal", "SIGUSR2", "-x", "waybar"], check=False)
+            subprocess.run(
+                ["pkill", "--signal", "SIGUSR2", "-x", r"waybar|\.waybar-wrapped"],
+                check=False,
+            )
 
 
 # ─── Theme assets (wallpapers) ────────────────────────────────────────────

tools/theme-shot.nix

@@ -79,7 +79,7 @@ pkgs.testers.runNixOSTest {
     machine.succeed("grep -q 'theme\\[main_bg\\]' /home/nomarchy/.config/btop/themes/nomarchy.theme")
     # Poke custom/doctor (signal 10) so a first-poll miss at session start
     # doesn't leave the tripwire blank for the full 300s interval.
-    machine.execute("su - nomarchy -c 'pkill -RTMIN+10 waybar' >/dev/null 2>&1 || true")
+    machine.execute("su - nomarchy -c \"pkill -RTMIN+10 -x 'waybar|\\.waybar-wrapped'\" >/dev/null 2>&1 || true")
     machine.sleep(3)
     # Park the cursor in the bottom-right corner so it doesn't sit in the
     # middle of the desktop shot (that frame doubles as the theme-picker