Makefile: Add a dist target.

To create a versioned tar file for release.

diff --git a/Makefile.local b/Makefile.local
index d38c6733e08a0ea914e1814592a2d7d9ac9f2d3b..f9fca0fa26680a18b1c846383ae9581af2ebed8d 100644 (file)
--- a/Makefile.local
+++ b/Makefile.local
@@ -53,6 +53,11 @@ ifeq ($(shell cat .first-build-message),)
 endif
 endif
 
+.PHONY: dist
+dist:
+       git archive --format=tar --prefix=notmuch-$(NOTMUCH_VERSION)/ HEAD | gzip > notmuch-$(NOTMUCH_VERSION).tar.gz
+       @echo "Source is ready for release in notmuch-$(NOTMUCH_VERSION).tar.gz"
+
 # The user has not set any verbosity, default to quiet mode and inform the
 # user how to enable verbose compiles.
 ifeq ($(V),)