Don't overwrite unchanged files

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@4300 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/Makefile b/Makefile
index 8795386..86fe067 100755 (executable)
--- a/Makefile
+++ b/Makefile
@@ -451,6 +451,10 @@ samples: all datafiles adsi
        for x in configs/*.sample; do \
                if [ -f $(DESTDIR)$(ASTETCDIR)/`basename $$x .sample` ]; then \
                        if [ "$(OVERWRITE)" = "y" ]; then \
+                               if cmp -s $(DESTDIR)$(ASTETCDIR)/`basename $$x .sample` $$x ; then \
+                                       echo "Config file $$x is unchanged"; \
+                                       continue; \
+                               fi ; \
                                mv -f $(DESTDIR)$(ASTETCDIR)/`basename $$x .sample` $(DESTDIR)$(ASTETCDIR)/`basename $$x .sample`.old ; \
                        else \
                                echo "Skipping config file $$x"; \