make release: Provide a kinder message when VERSION is forgotten.

I'm unlikely to always remember to pass VERSION=X.Y so it's nice for
make release to remind me.

diff --git a/Makefile.local b/Makefile.local
index 8207228476c2ab4cf0f7b7df0dd8919fef7da757..98d69c4d8dfa44772499c14793bb069201c2343b 100644 (file)
--- a/Makefile.local
+++ b/Makefile.local
@@ -9,7 +9,7 @@
 # Between releases, (such as when compiling notmuch from the git
 # repository), we let git append identification of the actual commit.
 PACKAGE=notmuch
-VERSION:=$(shell if [ -f version ]; then cat version; else git describe --match '[0-9].[0-9]*'; fi)
+VERSION:=$(shell if [ -f version ]; then cat version; else git describe --match '[0-9.]*'; fi)
 
 RELEASE_HOST=notmuchmail.org
 RELEASE_DIR=/srv/notmuchmail.org/www/releases
@@ -119,10 +119,14 @@ release-message:
 
 .PHONY: verify-version
 verify-version:
-       @echo -n "Checking that $(VERSION) is a two-component version..."
-       @if echo $(VERSION) | grep -q -v -x '[0-9]*\.[0-9]*'; then \
-               (echo "Ouch." && \
-                echo "Before releasing the notmuch version should be a two-component value." && false);\
+       @echo -n "Checking that $(VERSION) consists only of digits and periods..."
+       @if echo $(VERSION) | grep -q -v -x '[0-9.]*'; then \
+               (echo "No." && \
+                echo "Remember: You need to use:" && \
+                echo "" && \
+                echo " make VERSION=X.Y release" && \
+                echo "" && \
+                echo "to release notmuch." && false); \
         else :; fi
        @echo "Good."