From f6ef0cf0409a7d611023478ea023591fb6dd69a8 Mon Sep 17 00:00:00 2001
From: Morgan Joyce <morganj2k@gmail.com>
Date: Thu, 4 Dec 2025 13:40:37 -0600
Subject: [PATCH] fix(tmux): respect visible pane when copying history

---
 .bash_aliases.d/tmux.sh | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/.bash_aliases.d/tmux.sh b/.bash_aliases.d/tmux.sh
index dfad6112..4d756da5 100644
--- a/.bash_aliases.d/tmux.sh
+++ b/.bash_aliases.d/tmux.sh
@@ -10,5 +10,20 @@ alias tmux-branch='git checkout - && tmux source-file ~/.tmux.conf && echo "Swit
 # Quick access to tmux cheatsheet
 alias tmux-help="less ~/dotfiles/tmux-cheatsheet.md"
 
-# Copy full tmux pane history (joined lines) to system clipboard
-alias tmux-copy-history='tmux capture-pane -p -J -S -999999 | clipboard_copy'
+# Copy visible history from the active (or last) pane to the system clipboard
+tmux_copy_history() {
+    local target_pane
+
+    if [ -n "$TMUX" ]; then
+        target_pane="$(tmux display-message -p '#{pane_id}')"
+    else
+        if ! target_pane="$(tmux display-message -p -F '#{pane_id}' -t '{last}' 2>/dev/null)"; then
+            echo "tmux-copy-history: no tmux session found" >&2
+            return 1
+        fi
+    fi
+
+    # -S -0 captures from the top of the visible pane (respects a recent clear)
+    tmux capture-pane -p -J -S -0 -t "${target_pane}" | clipboard_copy
+}
+alias tmux-copy-history='tmux_copy_history'