add tmux plugin copycat

.tmux/copycat/scripts/copycat_generate_results.sh

@@ -0,0 +1,57 @@
+#!/usr/bin/env bash
+
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+source "$CURRENT_DIR/helpers.sh"
+
+search_pattern="$1"
+
+capture_pane() {
+	local file=$1
+	# copying 9M lines back will hopefully fetch the whole scrollback
+	tmux capture-pane -S -9000000 -p > "$file"
+}
+
+# doing 2 things in 1 step so that we don't write to disk too much
+reverse_and_create_copycat_file() {
+	local file=$1
+	local copycat_file=$2
+	local grep_pattern=$3
+	(tac 2>/dev/null || tail -r) < "$file" | grep -oniE "$grep_pattern" > "$copycat_file"
+}
+
+delete_old_files() {
+	local scrollback_filename="$(get_scrollback_filename)"
+	local copycat_filename="$(get_copycat_filename)"
+	rm -f "$scrollback_filename" "$copycat_filename"
+}
+
+generate_copycat_file() {
+	local grep_pattern="$1"
+	local scrollback_filename="$(get_scrollback_filename)"
+	local copycat_filename="$(get_copycat_filename)"
+	mkdir -p "$(_get_tmp_dir)"
+	capture_pane "$scrollback_filename"
+	reverse_and_create_copycat_file "$scrollback_filename" "$copycat_filename" "$grep_pattern"
+}
+
+if_no_results_exit_with_message() {
+	local copycat_filename="$(get_copycat_filename)"
+	# check for empty filename
+	if ! [ -s "$copycat_filename" ]; then
+		display_message "No results!"
+		exit 0
+	fi
+}
+
+main() {
+	local grep_pattern="$1"
+	if not_in_copycat_mode; then
+		delete_old_files
+		generate_copycat_file "$grep_pattern"
+		if_no_results_exit_with_message
+		set_copycat_mode
+		copycat_increase_counter
+	fi
+}
+main "$search_pattern"