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#!/bin/bash

# Remove obsolete references to child rulesets which

# has been renamed/ deleted

# Change directory to git root; taken from ../test/test.sh

if [ -n "$GIT_DIR" ]

then

# $GIT_DIR is set, so we're running as a hook.

cd $GIT_DIR

else

# Git command exists? Cool, let's CD to the right place.

git rev-parse && cd "$(git rev-parse --show-toplevel)"

fi

# Run from ruleset folder to simplify the output

cd src/chrome/content/rules

# Default exit status

EXIT_CODE=0

# List of file(s) which contain at least one reference

FILES=`egrep -l '^\s*[-|+]\s*([^ ]*\.xml)\s*$' *.xml`

while read FILE; do

# List of referenced rulesets

REFS=`sed -n 's/^\s*[-|+]\s*\([^ ]*\.xml\)\s*$/\1/gp' "$FILE"`

while read REF; do

if [ ! -f "$REF" ]; then

echo >&2 "ERROR src/chrome/content/rules/$FILE: Dangling reference to $REF"

sed -i "/^\s*[-|+]\s*$REF$/d" "$FILE"

EXIT_CODE=1

fi

done <<< "$REFS"

done <<< "$FILES"

# Exit with errors, if any

exit "$EXIT_CODE"