add tmux plugin copycat

.tmux/copycat/scripts/copycat_git_special.sh

@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+PANE_CURRENT_PATH="$1"
+
+source "$CURRENT_DIR/helpers.sh"
+
+git_status_files() {
+	local git_working_dir="$PANE_CURRENT_PATH"
+	local git_dir="$PANE_CURRENT_PATH/.git"
+	echo "$(git --git-dir="$git_dir" --work-tree="$git_working_dir" status --porcelain)"
+}
+
+formatted_git_status() {
+	local raw_gist_status="$(git_status_files)"
+	echo "$(echo "$raw_gist_status" | cut -c 4-)"
+}
+
+exit_if_no_results() {
+	local results="$1"
+	if [ -z "$results" ]; then
+		display_message "No results!"
+		exit 0
+	fi
+}
+
+concatenate_files() {
+	local git_status_files="$(formatted_git_status)"
+	exit_if_no_results "$git_status_files"
+
+	local result=""
+	# Undefined until later within a while loop.
+	local file_separator
+	while read -r line; do
+		result="${result}${file_separator}${line}"
+		file_separator="|"
+	done <<< "$git_status_files"
+	echo "$result"
+}
+
+# Creates one, big regex out of git status files.
+# Example:
+# `git status` shows files `foo.txt` and `bar.txt`
+# output regex will be:
+# `(foo.txt|bar.txt)
+git_status_files_regex() {
+	local concatenated_files="$(concatenate_files)"
+	local regex_result="(${concatenated_files})"
+	echo "$regex_result"
+}
+
+main() {
+	local search_regex="$(git_status_files_regex)"
+	# starts copycat mode
+	$CURRENT_DIR/copycat_mode_start.sh "$search_regex"
+}
+main