diff --git a/update.sh b/update.sh
index 643b82c..97e085f 100755
--- a/update.sh
+++ b/update.sh
@@ -3,8 +3,12 @@ wget -q -O plenum.md "https://md.ccc-mannheim.de/9vP-toraQhOONftDOFuQtw/download
 wget -q -O p5/plenum.md "https://md.ccc-mannheim.de/oirNqftnSbK2esF9xFWvaw/download"
 wget -q -O open_software.md "https://md.ccc-mannheim.de/-H4XaDXbTn-3q_ES2RTxDA/download"
 
-if [[ $(git diff --shortstat 2> /dev/null | tail -n1) != "" ]]; then
+if [[ ! -z "$(git status --porcelain --ignore-submodules -unormal)" ]]; then
+	echo "[bot] commit dirty changes"
 	git commit -m "bot update" *.md
+fi
+if [[ "$(git rev-list --left-right --count HEAD...@'{u}')" != "0	0" ]]; then
+	echo "[bot] push commits"
 	git remote | xargs -L1 git push --all
 fi