#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# Copyright 2024 Google LLC
#
# Author: Lee Jones <lee@kernel.org>
#
# Usage
#   cve_create_batch filename
#
# * Takes a file containing an upstream SHA in the first column
#   - Everything else (including leading whitespace is ignored)
# * Ensures commits are valid upstream commits
#   - Skips over invalid entries
# * Calls ${scripts}/cve_create on each valid commit

# set -x                        # Uncomment to enable debugging

# User variables
MAINLINEREMOTE=mainline

FILE=${1}
if [ ! -s "${FILE}" ]; then
    echo "The only argument should be the file to parse"
    exit 1
fi

KERNEL_TREE=${CVEKERNELTREE}
if [ ! -d ${KERNEL_TREE} ]; then
       echo "CVEERNELTREE needs setting to the stable repo directory"
       echo "Either manually export it or add it to your .bashrc/.zshrc et al."
       echo "See HOWTO in the root of this repo"
       exit 1
fi

SCRIPTDIR=$(dirname ${0})

while read line; do
    # Skip annotations
    if echo ${line} | grep -q "^\s*-"; then
        continue
    fi

    SHAS+=($(echo ${line} | grep -oE "^\s*[a-f0-9]{7,}"))
done < ${FILE}

for s in ${SHAS[@]}; do
    pushd ${KERNEL_TREE}> /dev/null
    # if ! git --no-pager log --oneline -n1 ${s} ${MAINLINEREMOTE}/master 2>&1 | grep -q "^${s} "; then
    if ! git --no-pager branch -a ${MAINLINEREMOTE}/master --contains ${s} > /dev/null 2>&1; then
    	echo "${s} does not appear to be a valid mainline commit - skipping"
        popd > /dev/null # ${KERNEL_TREE}
        continue
    fi
    popd > /dev/null # ${KERNEL_TREE}

    ${SCRIPTDIR}/cve_create ${s}
done