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+A little trick to force you to run your tests before a commit:
+
+in a repositorie, create the following file **.git/hooks/pre-commit** with this content:
+
+``` bash
+#!/bin/sh
+if [ -d t ]; then
+    res=`prove t`
+    if [ $? -gt 0 ]; then
+    echo "tests fails"
+    exit 1
+    fi
+fi
+if [ -d xt ]; then
+    res=`prove xt`
+    if [ $? -gt 0 ]; then
+    echo "tests fails"
+    exit 1
+    fi
+fi
+```
+
+and don't forget to chmod with +x.
+
+Now, when you will do your next commit, your test suit will be executed. If the tests fails, the commit will be rejected.