From 0afe79d5c913f4c85a8de4ae448a8e54b8249dff Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Mon, 1 Nov 2021 15:09:56 +0100
Subject: [PATCH] Add CPL_FILENAME variable for cover sheets (#2107).

---
 doc/manual/dcpomatic.xml | 3 +++
 src/lib/config.cc        | 1 +
 src/lib/writer.cc        | 4 ++++
 3 files changed, 8 insertions(+)

diff --git a/doc/manual/dcpomatic.xml b/doc/manual/dcpomatic.xml
index 88c4b984b..4a59c6964 100644
--- a/doc/manual/dcpomatic.xml
+++ b/doc/manual/dcpomatic.xml
@@ -2932,6 +2932,9 @@ KDM that is being sent; these strings are shown in <xref linkend="tab-kdm-magic"
 <entry><code>$CPL_NAME</code></entry><entry>DCP title</entry>
 </row>
 <row>
+<entry><code>$CPL_FILENAME</code></entry><entry>Filename of the CPL</entry>
+</row>
+<row>
 <entry><code>$CINEMA_NAME</code></entry><entry>Cinema name</entry>
 </row>
 <row>
diff --git a/src/lib/config.cc b/src/lib/config.cc
index d11a60c94..3334e6fbf 100644
--- a/src/lib/config.cc
+++ b/src/lib/config.cc
@@ -1162,6 +1162,7 @@ Config::set_cover_sheet_to_default ()
 {
 	_cover_sheet = _(
 		"$CPL_NAME\n\n"
+		"CPL Filename: $CPL_FILENAME\n"
 		"Type: $TYPE\n"
 		"Format: $CONTAINER\n"
 		"Audio: $AUDIO\n"
diff --git a/src/lib/writer.cc b/src/lib/writer.cc
index 954c135d3..309cfb78c 100644
--- a/src/lib/writer.cc
+++ b/src/lib/writer.cc
@@ -717,6 +717,10 @@ Writer::write_cover_sheet (boost::filesystem::path output_dcp)
 
 	auto text = Config::instance()->cover_sheet ();
 	boost::algorithm::replace_all (text, "$CPL_NAME", film()->name());
+	auto cpls = film()->cpls();
+	if (!cpls.empty()) {
+		boost::algorithm::replace_all (text, "$CPL_FILENAME", cpls[0].cpl_file.filename().string());
+	}
 	boost::algorithm::replace_all (text, "$TYPE", film()->dcp_content_type()->pretty_name());
 	boost::algorithm::replace_all (text, "$CONTAINER", film()->container()->container_nickname());
 
-- 
2.30.2