From e0914ed2679bfdcd5a728b19ca7af0b8bfd27eca Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sun, 17 Dec 2023 20:00:29 +0900
Subject: [PATCH] Add `undocumnted` target [ci skip]

---
 common.mk | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/common.mk b/common.mk
index 8f7fca4559..857f692fb5 100644
--- a/common.mk
+++ b/common.mk
@@ -672,6 +672,12 @@ rdoc-coverage: PHONY main srcs-doc
 	@echo Generating RDoc coverage report
 	$(Q) $(RDOC) --quiet -C $(RDOCFLAGS) "$(srcdir)"
 
+undocumented: PHONY main srcs-doc
+	$(Q) $(RDOC) --quiet -C $(RDOCFLAGS) "$(srcdir)" | \
+	sed -n \
+	-e '/^ *# in file /{' -e 's///;N;s/\n/: /p' -e '}' \
+	-e 's/^ *\(.*[^ ]\) *# in file \(.*\)/\2: \1/p'
+
 RDOCBENCHOUT=/tmp/rdocbench
 
 GCBENCH_ITEM=null