{ lib, pkgs, ... }:

let
	stripTabs = text: let
		# Whether all lines start with a tab (or is empty)
		shouldStripTab = lines: builtins.all (line: (line == "") || (pkgs.lib.strings.hasPrefix "	" line)) lines;
		# Strip a leading tab from all lines
		stripTab = lines: builtins.map (line: pkgs.lib.strings.removePrefix "	" line) lines;
		# Strip tabs recursively until there are none
		stripTabs = lines: if (shouldStripTab lines) then (stripTabs (stripTab lines)) else lines;
	in
		# Split into lines. Strip leading tabs. Concat back to string.
		builtins.concatStringsSep "\n" (stripTabs (pkgs.lib.strings.splitString "\n" text));
in {
	stripTabs = stripTabs;
}