1 files changed, 41 insertions, 0 deletions
diff --git a/doc/rfc/rfc.in b/doc/rfc/rfc.in
new file mode 100644
index 00000000..abeb293f
--- /dev/null
+++ b/doc/rfc/rfc.in
@@ -0,0 +1,41 @@
+#!/bin/sh
+set -eu
+
+mktemp='mktemp -t rfc'
+[ "$(uname)" = 'OpenBSD' ] && mktemp="${mktemp}.XXXXXXXXXX"
+
+bib=
+while getopts 'b:' opt; do
+	case $opt in
+		(b) bib=$OPTARG;;
+		(?) exit 1;;
+	esac
+done
+shift $((OPTIND - 1))
+
+if test -n "${bib}"; then
+	exec jq -r '
+		".Rs",
+		(.authors[] | ".%A \(.)"),
+		".%T \(.title | ltrimstr(" "))",
+		".%I IETF",
+		".%R \(.doc_id)",
+		".%U https://tools.ietf.org/html/\(.doc_id | ascii_downcase)",
+		".%D \(.pub_date)",
+		".Re"
+	' %%PREFIX%%/share/rfc/"rfc${bib}.json"
+fi
+
+rfc=%%PREFIX%%/share/rfc/"rfc${1:--index}.txt"
+tags=$($mktemp)
+trap 'rm "${tags}"' EXIT
+
+if test -f "${rfc}.gz"; then
+	txt=$($mktemp)
+	trap 'rm "${txt}" "${tags}"' EXIT
+	gunzip -c "${rfc}.gz" >"${txt}"
+	rfc=$txt
+fi
+
+%%PREFIX%%/bin/rfctags "${rfc}" >"${tags}"
+${PAGER:-less} -T "${tags}" "${rfc}"