From: Julien Moutinho <julm+julm-nix@sourcephile.fr>
Date: Fri, 28 Nov 2025 18:55:53 +0000 (+0100)
Subject: +use/transparency: fix tmux pane title with firejail
X-Git-Url: https://git.sourcephile.fr/julm/julm-nix.git/commitdiff_plain

+use/transparency: fix tmux pane title with firejail
---

diff --git a/home-manager/profiles/tmux.conf b/home-manager/profiles/tmux.conf
index f52a554..c014a11 100644
--- a/home-manager/profiles/tmux.conf
+++ b/home-manager/profiles/tmux.conf
@@ -161,9 +161,8 @@ set -g pane-border-style 'fg=colour245'
 set -g pane-active-border-style 'bg=colour39'
 set -g pane-active-border-style 'fg=green,bg=black'
 set -g pane-border-style 'fg=white,bg=black'
-#set -g pane-border-status bottom
-#set -g pane-border-format " #P: #{pane_current_command} "
-#set -g pane-border-format " #P: #{pane_current_path} "
+set -g pane-border-status top
+set -g pane-border-format " #P: #{?#{==:#{pane_current_command},firejail},#{pane_title},#{pane_current_command}} "
 
 # window
 setw -g base-index 1
diff --git a/nixpkgs/overlays/firejail.nix b/nixpkgs/overlays/firejail.nix
index 474c446..f015b63 100644
--- a/nixpkgs/overlays/firejail.nix
+++ b/nixpkgs/overlays/firejail.nix
@@ -49,6 +49,9 @@ pkgs: _previousPkgs: {
           #
           # Note that setting --argv0 would have no lasting effect because
           # nixos/modules/security/wrappers/wrapper.c forces argv[0] = SOURCE_PROG
+          # Tip(tmux): #{pane_current_command} is thus always "firejail" in tmux,
+          # but this can be worked around with something like:
+          # set -g pane-border-format " #P: #{?#{==:#{pane_current_command},firejail},#{pane_title},#{pane_current_command}} "
           ''
             for path in ${pkgs.lib.escapeShellArgs paths}; do
               rm "$out/$path"