diff --git a/.gitignore b/.gitignore
index 8fe7d07..fe36716 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 /tmp/
 /opt/bin/*
 /opt/*
+/var/version
 .mypy_cache/
 
 !/**/.gitkeep
diff --git a/rc/version.sh b/rc/version.sh
new file mode 100644
index 0000000..8ba862e
--- /dev/null
+++ b/rc/version.sh
@@ -0,0 +1 @@
+$WORKSPACE/scripts/changes.sh
diff --git a/scripts/changes.sh b/scripts/changes.sh
new file mode 100755
index 0000000..2fc18c1
--- /dev/null
+++ b/scripts/changes.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# process changes from last commit
+
+set -u
+
+VERSION_FILE=$WORKSPACE/var/version
+
+last_version=$(cat $VERSION_FILE 2> /dev/null)
+current_version=$(git rev-parse HEAD)
+
+if [[ "$last_version" != "$current_version" ]]; then
+  echo "Git version changed. Running changing scripts"
+  $WORKSPACE/scripts/git-config.sh
+  echo "$current_version" > $VERSION_FILE
+fi
+
diff --git a/var/.gitkeep b/var/.gitkeep
new file mode 100644
index 0000000..e69de29