1 files changed, 36 insertions, 0 deletions
diff --git a/build-aux/get-dscname b/build-aux/get-dscname
new file mode 100755
index 0000000..34a1b08
--- /dev/null
+++ b/build-aux/get-dscname
@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+# build-aux/get-dscname - Get a file's self-described filename
+#
+# Copyright (C) 2024-2025  Luke T. Shumaker <lukeshu@lukeshu.com>
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+if [ $# -ne 1 ]; then
+	echo "$0: expected exactly 1 argument"
+	exit 2
+fi
+
+if [[ $1 == */Documentation/* ]] && [[ "$(sed 1q -- "$1")" == 'NAME' ]]; then
+	sed -n '
+		2{
+			s,[/.],_,g;
+			s,^\s*_,Documentation/,;
+			s,$,.txt,;
+
+			p;
+			q;
+		}
+		' -- "$1"
+else
+	sed -n '
+		1,3{
+			/^\#!/d;
+			/^<!--$/d;
+			/-\*- .* -\*-/d;
+			s,[/*\# ]*,,;
+			s/ - .*//;
+
+			p;
+			q;
+		}
+		' -- "$1"
+fi