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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 | #!/bin/bash
#
# Copyright (c) 2015 Intel Corporation.
#
# SPDX-License-Identifier: Apache-2.0
#
# 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/checkpatch/do_checkpatch.sh
timestamp_bin=${ZEPHYR_BASE}/scripts/checkpatch/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}
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