From 1442d8987d16c08b4fec7247f90684e4dfb8d880 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Wed, 15 Feb 2006 08:51:47 +0000
Subject: [PATCH] (alpha beta major): For `make major', ensure that the version
 string is of the form N.N[.N]*, where N is one or more digits.

---
 Makefile.maint | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Makefile.maint b/Makefile.maint
index 6b3d577e85..455f4756cb 100644
--- a/Makefile.maint
+++ b/Makefile.maint
@@ -616,6 +616,10 @@ $(xd-delta): $(release_archive_dir)/$(prev-tgz) $(distdir).tar.gz
 
 .PHONY: alpha beta major
 alpha beta major: news-date-check $(local-check)
+	test $@ = major						\
+	  && { echo $(VERSION) | grep -E '^[0-9]+(\.[0-9]+)+$$'	\
+	       || { echo "invalid version string: $(VERSION)" 1>&2; exit 1; }}\
+	  || :
 	$(MAKE) cvs-dist
 	$(MAKE) $(xd-delta)
 	$(MAKE) -s announcement RELEASE_TYPE=$@ > /tmp/announce-$(my_distdir)
-- 
2.47.3