From 2ef4eb49ce223ffea38c7483617b339d0cb07b6d Mon Sep 17 00:00:00 2001
From: veg <veg@silentio.us>
Date: Sat, 4 Jul 2026 09:39:45 +0000
Subject: [PATCH] fix: pin absolute script path in status-right widget

The #() body runs with the tmux server's PATH; a bare 'party' silently
broke the widget for uninstalled or non-standard-prefix hosts.
---
 party                       | 19 ++++++++++++++++++-
 tests/90-notifications.bats |  6 +++++-
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/party b/party
index b580934..343f803 100755
--- a/party
+++ b/party
@@ -430,6 +430,22 @@ compute_default_party_name() {
     printf 'party-%s\n' "$rand"
 }
 
+# Absolute path to this script, for embedding in tmux server state that
+# outlives this invocation (the status-right #() widget runs with the
+# tmux server's PATH, which need not contain an installed `party`).
+# $0 forms: absolute — take it; relative-with-slash — anchor to cwd;
+# bare word — resolve via PATH, falling back to $0 verbatim. No `--`
+# after command -v/dirname/basename: old illumos userland predates it,
+# and $0 here never starts with '-'.
+party_self_path() {
+    case "$0" in
+        /*)  printf '%s\n' "$0" ;;
+        */*) printf '%s/%s\n' "$(cd "$(dirname "$0")" && pwd)" \
+                              "$(basename "$0")" ;;
+        *)   command -v "$0" 2>/dev/null || printf '%s\n' "$0" ;;
+    esac
+}
+
 
 # After spawning the party server, configure status line and hooks.
 # All commands run against -S "$sock". Every literal name embedded
@@ -469,8 +485,9 @@ EOF
     chgrp "$TMUX_PARTY_GROUP" "$notify_script"
 
     "$PARTY_TMUX" -S "$sock" set-option  -s exit-empty       on
+    party_self=$(party_self_path)
     "$PARTY_TMUX" -S "$sock" set-option  -g status-right \
-        "party: #(party who --short --socket $sock 2>/dev/null)"
+        "party: #($party_self who --short --socket $sock 2>/dev/null)"
     # Join/leave broadcast. Hook bodies fan a display-message out to
     # every attached client of THIS server via the notify helper script.
     # tmux substitutes #{client_user} before running the shell command.
diff --git a/tests/90-notifications.bats b/tests/90-notifications.bats
index 6eb06a5..34bf63e 100644
--- a/tests/90-notifications.bats
+++ b/tests/90-notifications.bats
@@ -19,12 +19,16 @@ party_rec() { printf '%s/party-%s:%s.d/roster\n' "$PARTY_SOCKET_DIR" "$USER" "$1
   [[ "$out" == *"client-detached"* ]]
 }
 
-@test "status-right widget is configured" {
+@test "status-right widget is configured with an absolute self path" {
   "$PARTY_BIN" host srtest
   rec=$(party_rec srtest)
   sock=$(awk -F= '$1=="SOCKET"{print $2}' "$rec")
   sr=$(tmux -S "$sock" show-options -gv status-right)
   [[ "$sr" == *"party who --short"* ]]
+  # The #() body is executed with the tmux server's PATH, which need
+  # not contain an installed `party` — the widget must pin the absolute
+  # path of the script that hosted the party.
+  [[ "$sr" == "party: #(/"* ]]
 }
 
 @test "client-attached hook invokes a notify helper that broadcasts display-message" {