[gnome-backgrounds] ChangeLog: only include changes since the last release

[Thomas Wood <thos src gnome org>]

commit 57bfafb349d8fa16b51143b35a987f9e0215019d
Author: Thomas Wood <thos gnome org>
Date:   Sat Sep 25 13:42:44 2010 +0100

    ChangeLog: only include changes since the last release
    
    Only include entries in the ChangeLog file for changes since the last
    release and use a simpler format for each entry.

 Makefile.am |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 5ddf220..1ea3de4 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -6,10 +6,12 @@ dist-hook:
 		echo Creating ChangeLog && \
 		( cd "$(top_srcdir)" && \
 		  echo '# Generated by Makefile. Do not edit.'; echo; \
-		  $(top_srcdir)/missing --run git log --stat ) > ChangeLog.tmp \
+		  $(top_srcdir)/missing --run git log --stat -M -C \
+		 --name-status --date=short GNOME_BACKGROUNDS_2_30_0.. ) \
+		 > ChangeLog.tmp \
 		&& mv -f ChangeLog.tmp $(top_distdir)/ChangeLog \
 		|| ( rm -f ChangeLog.tmp ; \
-		     echo Failed to generate ChangeLog >&2 ); \
+		     echo Failed to generate ChangeLog >&2; exit 1 ); \
 	else \
 		echo A git clone is required to generate a ChangeLog >&2; \
 	fi