update deploy.sh script

.deploy.sh

@@ -87,6 +87,7 @@ mkdir -p version/${pkgver}-${pkgrel} || die "Unable to make directory version/${
 out_trace "Copy file from trunk to version/${pkgver}-${pkgrel}"
 cp trunk/* version/${pkgver}-${pkgrel} || die "Unable to copy trunk/* to version/${pkgver}-${pkgrel}"
 
+if ! git diff-index --quiet HEAD; then
 	out_trace "Git add new file"
 	git add . || die "Unable to git add"
 
@@ -95,5 +96,6 @@ git commit -m "upgpkg: ${pkgver}-${pkgrel}" || die "Unable to commit"
 
 	out_trace "Push the new version"
 	git push --all || die "Unable to push at git@${CI_SERVER_HOST}:/${CI_PROJECT_PATH}.git"
+fi
 
 exit 0