self-installing git-hook to prevent accidentally committing pdb.set_trace() calls

pre-commit.sh

#!/bin/bash

mybasename=`basename $0`
if [ ! -e .git/hooks/${mybasename} ] ; then
    ln -s ../../git-hooks/${mybasename} .git/hooks/${mybasename}
fi

set_traces=`git diff --cached -Gpdb\.set_trace\(\) | grep '^\+'`

if [ ! -z "$set_traces" ] ; then
    echo "You have pdb.set_trace() in your code! Commit aborted!"
    echo $set_traces
    exit 1
fi