neovim lua command to copy filename, line number and branch

commands.lua

-- Copy filename, line number and branch
-- example: src/filename.js +123 # branch master
vim.api.nvim_create_user_command("CopyPathLineNumberBranch", function()
	local branch = vim.fn.systemlist("git branch --show-current")
	local comment = ""
	if not string.find(branch[1], "not a git repository") then
		comment = " # branch " .. branch[1]
	end
	vim.fn.setreg("*", vim.fn.expand("%") .. " +" .. vim.api.nvim_win_get_cursor(0)[1] .. comment)
end, args)