From cfc3fd27a3743b7cfe5b73508f65eaf79ab8149a Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 14 Feb 2016 23:07:34 +0000
Subject: [PATCH 1/1] commitid: Provide an internal debugging facility (no
 callers yet, so nfc)

---
 commitid.scad.pl | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/commitid.scad.pl b/commitid.scad.pl
index 4c7371f..d646c32 100755
--- a/commitid.scad.pl
+++ b/commitid.scad.pl
@@ -261,8 +261,17 @@ use strict;
 
 $SIG{__WARN__} = sub { die @_; };
 
+our $debug=0;
+
+if (@ARGV && $ARGV[0] =~ m/^-(D+)$/) {
+    $debug = length $1;
+    shift @ARGV;
+}
+
 sub p { print @_ or die $!; }
 
+sub p_debug { print STDERR @_ if $debug; }
+
 p <<'END';
 // *** AUTOGENERATED - DO NOT EDIT *** //
 function Commitid_pixelsz() =
-- 
2.30.2