Add gist update logic to gensend target.

.gitignore

@@ -28,6 +28,7 @@ aclocal.m4
 /conftest*
 /dox
 /getgroups
+/gists
 /gmon.out
 /rsync
 /stunnel-rsyncd.conf

Makefile.in

@@ -171,6 +171,10 @@ gen: conf proto.h man git-version.h
 
 .PHONY: gensend
 gensend: gen
+	if ! diff git-version.h $(srcdir)/gists/rsync-git-version.h >/dev/null; then \
+	    ./rsync -ai git-version.h $(srcdir)/gists/rsync-git-version.h && \
+	    (cd $(srcdir)/gists && git commit --allow-empty-message -m '' rsync-git-version.h && git push) ; \
+	fi
 	rsync -aic $(GENFILES) git-version.h $${SAMBA_HOST-samba.org}:/home/ftp/pub/rsync/generated-files/
 
 aclocal.m4: $(srcdir)/m4/*.m4