| #!/bin/bash |
| |
| # |
| # Copyright (c) 2015 Intel Corporation. |
| # |
| # 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. |
| # |
| |
| |
| # crawls the source tree to find out the amount of checkpatch issues |
| # and optionally update scripts/known_checkpatch_issues |
| # usage: check_known_checkpatch_issues.sh [-u] |
| # where: -u updates the known_checkpatch_issues db and commits it |
| # -q is the quiet mode (don't display the diff on stdout) |
| |
| exe_name=$(basename $0) |
| |
| do_checkpatch_bin=${ZEPHYR_BASE}/scripts/do_checkpatch.sh |
| timestamp_bin=${ZEPHYR_BASE}/scripts/timestamp |
| |
| declare update=n |
| declare quiet=n |
| |
| function usage { |
| printf "usage: %s [-u][-q]\n" ${exe_name} >&2 |
| } |
| |
| function fail { |
| usage |
| exit -1 |
| } |
| function verify_needed { |
| needed="\ |
| ${do_checkpatch_bin} \ |
| ${timestamp_bin} \ |
| " |
| for i in ${needed}; do |
| type $i &>/dev/null |
| if [ $? != 0 ]; then |
| printf "need '%s' but not found in PATH\n" $i >&2 |
| exit -1 |
| fi |
| done |
| } |
| |
| function get_opts { |
| declare -r optstr="quh" |
| while getopts ${optstr} opt; do |
| case ${opt} in |
| u) update=y ;; |
| q) quiet=y ;; |
| h) usage; exit 0 ;; |
| *) fail ;; |
| esac |
| done |
| } |
| |
| verify_needed |
| get_opts $@ |
| |
| do_checkpatch=${do_checkpatch_bin} |
| timestamp="${timestamp_bin} -u" |
| ts=$(${timestamp}) |
| uid=$(id -u) |
| pid=$$ |
| suffix=${uid}-${pid}-${ts} |
| checkpatch_results=/tmp/checkpatch.results-${suffix} |
| known_checkpatch_issues=${ZEPHYR_BASE}/scripts/known_checkpatch_issues |
| checkpatch_issues=/tmp/checkpatch_issues-${suffix} |
| git_log_params="\ |
| --abbrev=8 \ |
| --abbrev-commit \ |
| " |
| |
| commit_id_str=$(git log ${git_log_params} HEAD | head -n 1) |
| echo ${commit_id_str} > ${checkpatch_issues} |
| |
| ${do_checkpatch} ${checkpatch_results} >> ${checkpatch_issues} |
| |
| diff_file=/tmp/checkpatch.results.diff-${suffix} |
| diff -u ${known_checkpatch_issues} ${checkpatch_issues} > ${diff_file} |
| |
| if [ ${quiet} = n ]; then |
| cat ${diff_file} |
| fi |
| |
| # find all lines that starts with '+' but not '+commit' or '+++ diff' |
| minuses_err_str=(\ |
| $(cat ${diff_file} | \ |
| grep -v -E "^\-\-\-" | grep -v -E "^\-commit " | grep -E "^\-" | \ |
| awk '{print $1}' | cut -d\- -f 2-) \ |
| ) |
| minuses_num_err=(\ |
| $(cat ${diff_file} | \ |
| grep -v -E "^\-\-\-" | grep -v -E "^\-commit " | grep -E "^\-" | \ |
| awk '{print $2}') \ |
| ) |
| plusses_err_str=(\ |
| $(cat ${diff_file} | \ |
| grep -v -E "^\+\+\+" | grep -v -E "^\+commit " | grep -E "^\+" | \ |
| awk '{print $1}' | cut -d\+ -f 2-) \ |
| ) |
| plusses_num_err=(\ |
| $(cat ${diff_file} | \ |
| grep -v -E "^\+\+\+" | grep -v -E "^\+commit " | grep -E "^\+" | \ |
| awk '{print $2}') \ |
| ) |
| |
| exit_code=0 |
| declare -i num_plusses=${#plusses_num_err[@]} |
| declare -i num_minuses=${#minuses_num_err[@]} |
| declare -i test_num=${num_plusses} |
| while [ ${test_num} -gt 0 ]; do |
| test_num+=-1 |
| match=n |
| declare -i i=${num_minuses} |
| while [ $i -gt 0 ]; do |
| i+=-1 |
| if [ ${plusses_err_str[${test_num}]} = ${minuses_err_str[$i]} ]; then |
| n_minus=${minuses_num_err[$i]} |
| n_plus=${plusses_num_err[${test_num}]} |
| if [ ${n_plus} -gt ${n_minus} ]; then |
| exit_code=1 |
| break 2 |
| fi |
| match=y |
| break 1 |
| fi |
| done |
| |
| if [ ${match} = n ]; then |
| # there was no match for the plus line, so that is a new error |
| exit_code=1 |
| break 1 |
| fi |
| done |
| |
| if [ ${update} = y ]; then |
| msg="known_checkpatch_issues: updating to ${commit_id_str}" |
| cp ${checkpatch_issues} ${known_checkpatch_issues} |
| git add ${known_checkpatch_issues} |
| git commit -m "${msg}" |
| fi |
| |
| exit ${exit_code} |