bin/find-issues

#!/bin/sh

# Copyright 2018 Fairphone B.V.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
# Exported globals:
# DEBUG
# SHELL_LIBS
# VERBOSE

set -e

export SHELL_LIBS="$(dirname $(readlink -f $0))/../shell-libs"
. "${SHELL_LIBS}/utils.sh"

_usage() {
    cat <<heredoc
Grep git logs for issues references. To be used in conjunction with the
manifest project security branch.
To set things up run:
```
repo init -u ssh://review.fairphone.software/manifest -b security
repo sync --current-branch
```

Usage:
$0 [--patterns "pattern1 pattern2"] [--projects "project1 project2"]
[--update] [-v|--verbose] [-d|--debug] [-h|--help]

Options:
--patterns "pattern ..."  : Quote enclosed, space separated, list of
                            patterns to grep for. This includes Qcom Create
                            Point, Android bug IDs, CVE numbers, etc.
                            E.g. --patterns "2139907 2087428"
--projects "project ..."  : Quote enclosed, space separated, list of
                            projects to `git log --grep` over.
                            E.g. --projects "kernel/caf/msm hardware/qcom/wlan"
--update                  : Update projects.
-v, --verbose             : Show additional logging.
-d, --debug               : Show commands being run. I.e. set -x.
-h, --help                : Print this help message.

Example:
$0 --patterns "2087428 2139907" --projects "kernel/aosp/msm kernel/caf/msm"
heredoc
}


while [ $# -gt 0 ]; do
    case "$1" in
        --patterns)
            if [ $# -lt 2 ]; then
                _usage >&2
                exit 1
            fi
            PATTERNS="$2"
            shift 2
            ;;
        --projects)
            if [ $# -lt 2 ]; then
                _usage >&2
                exit 1
            fi
            REPO_PROJECTS="$2"
            shift 2
            ;;
        --update)
            UPDATE="true"
            shift 1
            ;;
        -v|--verbose)
            export VERBOSE="--verbose"
            shift 1
            ;;
        -d|--debug)
            set -x
            export DEBUG="true"
            shift 1
            ;;
        -h|--help)
            _usage
            exit 0
            ;;
        *)
            echo "Unknown option $*" >&2
            _usage >&2
            exit 1
            ;;
    esac
done


REPO_FORALL_FUNCTIONS="${SHELL_LIBS}/repo-forall-functions.sh"
if [ ! -f "${REPO_FORALL_FUNCTIONS}" ] ; then
    log_e "Unable to find repo-forall-functions.sh"
fi

# Navigate to the Android's root
croot

[ -n "${UPDATE}" ] && repo sync --network-only

if [ -n "${PATTERNS}" ] ; then
    repo_forall='repo --no-pager forall --abort-on-errors --verbose'

    ${repo_forall} ${REPO_PROJECTS} --command \
        '. $1; \
        git_grep $2' \
        "${REPO_FORALL_FUNCTIONS}" "${PATTERNS}"
fi