setlocalversion: add git-svn support

Print svn revision in addition to git info on git-svn repos.
Signed-off-by: NPeter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>

scripts/setlocalversion

@@ -19,6 +19,11 @@ if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
 		fi
 	fi
 
+	# Is this git on svn?
+	if git config --get svn-remote.svn.url >/dev/null; then
+	        printf -- '-svn%s' "`git-svn find-rev $head`"
+	fi
+
 	# Are there uncommitted changes?
 	git update-index --refresh --unmerged > /dev/null
 	if git diff-index --name-only HEAD | grep -v "^scripts/package" \