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#!/usr/bin/env bash
set -euo pipefail
state_dir="${XDG_CACHE_HOME:-$HOME/.cache}"
mkdir -p "$state_dir" 2>/dev/null || true
if [ ! -w "$state_dir" ]; then
state_dir="/tmp"
fi
history_file="$state_dir/polybar-clipboard-history"
export DISPLAY="${DISPLAY:-:0}"
if [ -z "${XAUTHORITY:-}" ] && [ -r "$HOME/.Xauthority" ]; then
export XAUTHORITY="$HOME/.Xauthority"
fi
current=""
if command -v xclip >/dev/null 2>&1; then
current="$(xclip -selection clipboard -o 2>/dev/null || true)"
elif command -v xsel >/dev/null 2>&1; then
current="$(xsel --clipboard --output 2>/dev/null || true)"
fi
if [ -n "$current" ]; then
one_line="$(printf '%s' "$current" | tr '\n' ' ' | cut -c 1-180)"
if ! grep -Fxq "$one_line" "$history_file" 2>/dev/null; then
tmp="${history_file}.tmp"
{ printf '%s\n' "$one_line"; cat "$history_file" 2>/dev/null; } | awk 'NF && !seen[$0]++' | head -n 50 >"$tmp"
mv "$tmp" "$history_file"
fi
fi
choice="$(
dmenu -i -p clipboard \
-fn "FiraCode Nerd Font-14" \
-nb "#282828" -nf "#ebdbb2" \
-sb "#d79921" -sf "#282828" <"$history_file"
)"
[ -n "$choice" ] || exit 0
if command -v xclip >/dev/null 2>&1; then
printf '%s' "$choice" | xclip -selection clipboard
elif command -v xsel >/dev/null 2>&1; then
printf '%s' "$choice" | xsel --clipboard --input
fi
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