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fix: scope tmux history copy to visible pane #1435

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fix: scope tmux history copy to visible pane #1435

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19 changes: 17 additions & 2 deletions .bash_aliases.d/tmux.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -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}')"
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@amazon-q-developer amazon-q-developer bot Dec 4, 2025

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Quote the variable expansion to prevent word splitting and pathname expansion.

Suggested change
target_pane="$(tmux display-message -p '#{pane_id}')"
target_pane="$(tmux display-message -p "#{pane_id}")"

else
if ! target_pane="$(tmux display-message -p -F '#{pane_id}' -t '{last}' 2>/dev/null)"; then
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@amazon-q-developer amazon-q-developer bot Dec 4, 2025

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Quote the variable expansion to prevent word splitting and pathname expansion.

Suggested change
if ! target_pane="$(tmux display-message -p -F '#{pane_id}' -t '{last}' 2>/dev/null)"; then
if ! target_pane="$(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'
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@amazon-q-developer amazon-q-developer bot Dec 4, 2025

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Quote the variable expansion to prevent word splitting and pathname expansion.

Suggested change
alias tmux-copy-history='tmux_copy_history'
alias tmux-copy-history="tmux_copy_history"