[pygobject] Add release-news make rule

[Martin Pitt <martinpitt src gnome org>]

commit 3551462a429ef30274fa01fc8111da5025f9c342
Author: Martin Pitt <martinpitt gnome org>
Date:   Sun Apr 29 20:17:47 2012 +0200

    Add release-news make rule
    
    This produces a commit log since the previous release in our current NEWS
    format. This does not currently wrap long lines automatically, though.
    
    Do include bug numbers from now on, as they are very useful.

 Makefile.am |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 39c6177..35e4eb1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -95,8 +95,16 @@ release-tag:
               $$ROOT \
               svn+ssh://johan svn gnome org/svn/pygobject/tags/PYGOBJECT_$$SVNVERSION
 
-
-.PHONY: ChangeLog
+release-news:
+	printf "%-8s%s\n" "$(VERSION)" "`LC_TIME=C date '+%d-%b-%Y'`" > NEWS.tmp
+	last=`head -n1 NEWS | cut -f1 -d' '`; \
+	git log --format='format:        - %s (%aN)%n%b' 3.1.92.. | \
+	  sed -n '/^        -/ p; /bugzilla.gnome.org/ { s/^.*id=\([0-9]\+\).*$$/          (#\1)/; p}' >> NEWS.tmp
+	echo >> NEWS.tmp
+	cat NEWS >> NEWS.tmp
+	mv NEWS.tmp NEWS
+
+.PHONY: ChangeLog release-news
 
 ChangeLog:
 	@echo Creating $@