pre-commit hook for puppet syntax validation

pre-commit.sh

#!/usr/bin/env bash

TEMPDIR=`mktemp -d puppet-parser.XXXXXX`

test -n "$TEMPDIR" || exit 1
test -d "$TEMPDIR" || exit 1

git checkout-index --prefix="$TEMPDIR/" -af

changed_manifests=$(git diff --cached --name-only --diff-filter=ACM | grep '.pp$' | xargs -n 1 -I '{}' echo $TEMPDIR/'{}' | tr '\n' ' ')

validate_status=0

if [[ -n $changed_manifests ]]; then
  puppet parser validate $changed_manifests
  validate_status=$?
fi

test -d "$TEMPDIR" && rm -rf "$TEMPDIR"

exit $validate_status