Add autodetection for Ghostty and tmux

Author: japhb

Changes

@@ -1,6 +1,10 @@
 Revision history for Terminal-Capabilities
 
 {{$NEXT}}
+  [Features]
+  - Add autodetection support for Ghostty
+  - Add initial autodection support for tmux (but not yet the underlying terminal)
+
 
 0.0.5  2025-10-05T19:57:11-07:00
   [Features]

bin/terminal-autodetect

@@ -14,16 +14,17 @@ sub section($section, @vars) {
 
 # Show current values of all known terminal-related environment variables
 sub show-env() {
-    section('General',     < LANG TERM COLORTERM COLORFGBG >);
+    section('General',     < LANG TERM COLORTERM COLORFGBG TERM_PROGRAM TERM_PROGRAM_VERSION >);
     section('Alacritty',   < ALACRITTY_WINDOW_ID ALACRITTY_LOG ALACRITTY_SOCKET >);
     section('CRT',         < COLORSCHEMES_DIR KB_LAYOUT_DIR >);
+    section('Ghostty',     < GHOSTTY_BIN_DIR GHOSTTY_RESOURCES_DIR GHOSTTY_SHELL_INTEGRATION_NO_SUDO >);
     section('kitty',       < KITTY_WINDOW_ID KITTY_PID KITTY_PUBLIC_KEY KITTY_INSTALLATION_DIR >);
     section('Konsole',     < KONSOLE_DBUS_SERVICE KONSOLE_DBUS_SESSION KONSOLE_DBUS_WINDOW >);
-    section('Misc',        < TERM_PROGRAM TERM_PROGRAM_VERSION >);
     section('MLTerm',      [ 'MLTERM', ]);
     section('Qt',          < D_DISABLE_RT_SCREEN_SCALE QT_SCALE_FACTOR_ROUNDING_POLICY >);
     section('Terminator',  < TERMINATOR_DBUS_NAME TERMINATOR_DBUS_PATH TERMINATOR_UUID >);
     section('Terminology', < TERMINOLOGY XTERM_256_COLORS >);
+    section('tmux',        < TMUX TMUX_PANE >);
     section('Zutty',       [ 'ZUTTY_VERSION', ]);
     section('VTE',         < VTE_VERSION TILIX_ID GNOME_TERMINAL_SERVICE GNOME_TERMINAL_SCREEN >);
     section('Xterm',       < XTERM_VERSION XTERM_SHELL XTERM_LOCALE >);

lib/Terminal/Capabilities/Autodetect.rakumod

@@ -87,6 +87,17 @@ sub terminal-env-detect() is export {
                 $color8bit    = True;
                 $emoji-text   = True;
             }
+            elsif $prog eq 'ghostty' {
+                # Ghostty sets COLORTERM=truecolor, detected above
+
+                $italic       = True;
+                $emoji-text   = True;
+                $emoji-color  = True;
+                $emoji-skin   = True;
+                $emoji-iso    = True;
+                $emoji-reg    = True;
+                $emoji-zwj    = True;
+            }
             elsif $prog eq 'iTerm.app' {
                 $italic       = True;
                 $color8bit    = True;
@@ -162,6 +173,22 @@ sub terminal-env-detect() is export {
         $colorbright = True;
         $color8bit   = True;
     }
+    elsif ?$term.starts-with('tmux') {
+        $terminal    = 'tmux';
+        $version     = %*ENV<TERM_PROGRAM_VERSION>;
+
+        # XXXX: Limited by symbol-set of underlying terminal emulator too
+        $symbol-set  = symbol-set('Full') if $has-utf8;
+
+        # XXXX: Detection of underlying terminal emulator to AND with these?
+        $italic      = True;
+        $emoji-text  = True;
+        $emoji-color = True;
+        $emoji-skin  = True;
+        $emoji-iso   = True;
+        $emoji-reg   = False;
+        $emoji-zwj   = False;
+    }
     elsif ?$term.starts-with('screen'|'vt220'|'vt420')
        || ?$term.lc.contains('color'|'ansi'|'cygwin'|'linux') {
         $terminal    = $term;