release.sh: SVN to GIT updates

- exclude .git instead of .svn when using local source (-c);
- put the git tag (or "copy") in /etc/version rather than something
  outdated related to SVN.

Change-Id: Ia35eb95c39ae93ebae5638c9dd7847428593b813

releasetools/release.sh

@@ -194,10 +194,9 @@ else
 	( cd .. && make cleandir >/dev/null )
 	echo "Copying contents from current src dir."
 	srcdir=/usr/$SRC
-	( cd $srcdir && tar --exclude .svn -cf - .  ) | ( cd $RELEASEDIR/usr && mkdir $SRC && cd $SRC && tar xf - )
+	( cd $srcdir && tar --exclude .git -cf - .  ) | ( cd $RELEASEDIR/usr && mkdir $SRC && cd $SRC && tar xf - )
 	echo "Copying done."
 	REVTAG=copy
-	REVISION=unknown
 	IMG=${IMG_BASE}_copy.iso
 fi
 
@@ -244,7 +243,7 @@ echo " * Removing bootstrap files"
 chown -R root $RELEASEDIR/usr/src*
 cp issue.install $RELEASEDIR/etc/issue
 
-echo $version_pretty, SVN revision $REVISION, generated `date` >$RELEASEDIR/etc/version
+echo $version_pretty, GIT revision $REVTAG, generated `date` >$RELEASEDIR/etc/version
 rm -rf $RELEASEDIR/tmp/*
 
 if [ $MINIMAL -ne 0 ]