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#!/bin/bash
# Copyright 2024 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# This script will grep sources of a crate for keywords (e.g. `unsafe`,
# `fs`, "crypto", etc.). This may be helpful when verifying `cargo vet`
# audit criteria for a crate.
set -eu
usage () {
echo
echo "USAGE: ./grep_for_vet_relevant_keywords.sh <crate name>"
echo
echo "Example: "
echo "$ ./grep_for_vet_relevant_keywords.sh quote"
echo "$ ./grep_for_vet_relevant_keywords.sh syn-2.0.55"
exit -1
}
SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
CHROMIUM_DIR="$SCRIPT_DIR/../.."
VENDOR_DIR="$CHROMIUM_DIR/third_party/rust/chromium_crates_io/vendor"
if [[ "$#" -ne 1 ]]; then
echo "Expecting exactly 1 command-line argument ($# found)."
usage
exit -1
fi
CRATE_NAME="$1"
CRATE_DIR=$( find "${VENDOR_DIR}" -maxdepth 1 \
-type d \
-name "${CRATE_NAME}-v[0-9]*"
)
if [[ -z "$CRATE_DIR" ]]; then
CRATE_DIR="${VENDOR_DIR}/${CRATE_NAME}"
if ! [[ -d "$CRATE_DIR" ]]; then
echo "ERROR: No directories matching the \"$CRATE_NAME\" crate name..."
usage
exit -1
fi
fi
if [[ `echo "$CRATE_DIR" | wc -l` -ne 1 ]]; then
echo "ERROR: Multiple dirs matching the \"$CRATE_NAME\" crate name..."
echo "$CRATE_DIR"
usage
exit -1
fi
CRATE_DIR=`realpath "$CRATE_DIR" --relative-to="$PWD"`
run_grep () {
echo "### Grepping $CRATE_DIR for $*..."
find "$CRATE_DIR" -type f -print0 | xargs -0 grep -n $* || true
echo
}
run_grep -i cipher
run_grep -i crypto
run_grep '\bfs\b'
run_grep '\bnet\b'
run_grep '\bunsafe\b'
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