Add a simple script for testing osmupdate

When executed, it will verify that:

* osmupdate functions correctly when passed no arguments.
* osmupdate functions correctly when told to update a (small) `.pbf`
  file.

1 files changed, 10 insertions, 0 deletions

diff --git a/test.sh b/test.sh
new file mode 100755
index 000000000000..e8b98b58af23
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+# Perform simple tests to ensure osmupdate works correctly.
+set -euo pipefail
+
+# Perform a sanity check. The output includes the current version.
+osmupdate
+
+# Create a (pointless) changefile. Vermont is sparse and geographically small.
+wget 'http://download.geofabrik.de/north-america/us/vermont-latest.osm.pbf'
+osmupdate vermont-latest.osm.pbf vermont-latest-updated.osm.pbf