+ @echo ""
+ @echo "What's new in notmuch $(VERSION)"
+ @echo "========================="
+ @sed -ne '/^[Nn]otmuch $(VERSION)/{n;n;b NEWS}; d; :NEWS /^===/q; {p;n;b NEWS}' < NEWS | head -n -2
+ @echo ""
+ @echo "What is notmuch"
+ @echo "==============="
+ @echo "Notmuch is a system for indexing, searching, reading, and tagging"
+ @echo "large collections of email messages in maildir or mh format. It uses"
+ @echo "the Xapian library to provide fast, full-text search with a convenient"
+ @echo "search syntax."
+ @echo ""
+ @echo "For more about notmuch, see http://notmuchmail.org"
+
+# This is a chain of dependencies rather than a simple list simply to
+# avoid the messages getting interleaved in the case of a parallel
+# make invocation.
+.PHONY: verify-source-tree-and-version
+verify-source-tree-and-version: verify-no-dirty-code
+
+.PHONY: verify-no-dirty-code
+verify-no-dirty-code: verify-version-debian verify-version-python
+ifeq ($(IS_GIT),yes)
+ @printf "Checking that source tree is clean..."
+ifneq ($(shell git ls-files -m),)
+ @echo "No"
+ @echo "The following files have been modified since the most recent git commit:"
+ @echo ""
+ @git ls-files -m
+ @echo ""
+ @echo "The release will be made from the committed state, but perhaps you meant"
+ @echo "to commit this code first? Please clean this up to make it more clear."
+ @false
+else
+ @echo "Good"
+endif
+endif
+
+.PHONY: verify-version-debian
+verify-version-debian: verify-version-components
+ @echo -n "Checking that Debian package version is $(VERSION)-1..."
+ @if [ "$(VERSION)-1" != $$(dpkg-parsechangelog | grep ^Version | awk '{print $$2}') ] ; then \
+ (echo "No." && \
+ echo "Please edit version and debian/changelog to have consistent versions." && false) \
+ fi
+ @echo "Good."