#!/bin/bash

# Remove from ruleset whitelist the filenames of files that

# no longer exist or have no matching hash sums.

# 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 sha256sum output

cd src/chrome/content/rules

WLIST=../../../../utils/ruleset-coverage-whitelist.txt

DELIM=" "

while IFS=$DELIM read listed_hash file; do

display_hash=$(echo $listed_hash | cut -c-7)

# Remove those that no longer exist

if [ ! -f $file ]; then

sed -i "/$listed_hash$DELIM$file/d" $WLIST

echo >&2 "Removed $file ($display_hash): file no longer exists"

else

actual_hash=$(sha256sum $file | cut -c-64)

# Remove those whose hashes do not match

if [ "$listed_hash" != "$actual_hash" ]; then

sed -i "/$listed_hash$DELIM$file/d" $WLIST

echo >&2 "Removed $file ($display_hash): listed hash does not match actual hash"

fi

fi

done < "$WLIST"