hadoop/dev-support/test-patch.d/checkstyle.sh

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#!/usr/bin/env bash
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.
add_plugin checkstyle
CHECKSTYLE_TIMER=0
# if it ends in an explicit .sh, then this is shell code.
# if it doesn't have an extension, we assume it is shell code too
function checkstyle_filefilter
{
local filename=$1
if [[ ${filename} =~ \.java$ ]]; then
add_test checkstyle
fi
}
function checkstyle_mvnrunner
{
local logfile=$1
local output=$2
local tmp=${PATCH_DIR}/$$.${RANDOM}
local j
"${MVN}" clean test checkstyle:checkstyle -DskipTests \
-Dcheckstyle.consoleOutput=true \
"-D${PROJECT_NAME}PatchProcess" 2>&1 \
| tee "${logfile}" \
| ${GREP} ^/ \
| ${SED} -e "s,${BASEDIR},.,g" \
> "${tmp}"
# the checkstyle output files are massive, so
# let's reduce the work by filtering out files
# that weren't changed. Some modules are
# MASSIVE and this can cut the output down to
# by orders of magnitude!!
for j in ${CHANGED_FILES}; do
${GREP} "${j}" "${tmp}" >> "${output}"
done
rm "${tmp}" 2>/dev/null
}
function checkstyle_preapply
{
local module_suffix
local modules=${CHANGED_MODULES}
local module
verify_needed_test checkstyle
if [[ $? == 0 ]]; then
return 0
fi
big_console_header "checkstyle plugin: prepatch"
start_clock
for module in ${modules}
do
pushd "${module}" >/dev/null
echo " Running checkstyle in ${module}"
module_suffix=$(basename "${module}")
checkstyle_mvnrunner \
"${PATCH_DIR}/maven-${PATCH_BRANCH}checkstyle-${module_suffix}.txt" \
"${PATCH_DIR}/${PATCH_BRANCH}checkstyle${module_suffix}.txt"
if [[ $? != 0 ]] ; then
echo "Pre-patch ${PATCH_BRANCH} checkstyle compilation is broken?"
add_jira_table -1 checkstyle "Pre-patch ${PATCH_BRANCH} ${module} checkstyle compilation may be broken."
fi
popd >/dev/null
done
# keep track of how much as elapsed for us already
CHECKSTYLE_TIMER=$(stop_clock)
return 0
}
function checkstyle_calcdiffs
{
local orig=$1
local new=$2
local diffout=$3
local tmp=${PATCH_DIR}/cs.$$.${RANDOM}
local count=0
local j
# first, pull out just the errors
# shellcheck disable=SC2016
${AWK} -F: '{print $NF}' "${orig}" >> "${tmp}.branch"
# shellcheck disable=SC2016
${AWK} -F: '{print $NF}' "${new}" >> "${tmp}.patch"
# compare the errors, generating a string of line
# numbers. Sorry portability: GNU diff makes this too easy
${DIFF} --unchanged-line-format="" \
--old-line-format="" \
--new-line-format="%dn " \
"${tmp}.branch" \
"${tmp}.patch" > "${tmp}.lined"
# now, pull out those lines of the raw output
# shellcheck disable=SC2013
for j in $(cat "${tmp}.lined"); do
# shellcheck disable=SC2086
head -${j} "${new}" | tail -1 >> "${diffout}"
done
if [[ -f "${diffout}" ]]; then
# shellcheck disable=SC2016
count=$(wc -l "${diffout}" | ${AWK} '{print $1}' )
fi
rm "${tmp}.branch" "${tmp}.patch" "${tmp}.lined" 2>/dev/null
echo "${count}"
}
function checkstyle_postapply
{
local rc=0
local module
local modules=${CHANGED_MODULES}
local module_suffix
local numprepatch=0
local numpostpatch=0
local diffpostpatch=0
verify_needed_test checkstyle
if [[ $? == 0 ]]; then
return 0
fi
big_console_header "checkstyle plugin: postpatch"
start_clock
# add our previous elapsed to our new timer
# by setting the clock back
offset_clock "${CHECKSTYLE_TIMER}"
for module in ${modules}
do
pushd "${module}" >/dev/null
echo " Running checkstyle in ${module}"
module_suffix=$(basename "${module}")
checkstyle_mvnrunner \
"${PATCH_DIR}/maven-patchcheckstyle-${module_suffix}.txt" \
"${PATCH_DIR}/patchcheckstyle${module_suffix}.txt"
if [[ $? != 0 ]] ; then
((rc = rc +1))
echo "Post-patch checkstyle compilation is broken."
add_jira_table -1 checkstyle "Post-patch checkstyle ${module} compilation is broken."
continue
fi
#shellcheck disable=SC2016
diffpostpatch=$(checkstyle_calcdiffs \
"${PATCH_DIR}/${PATCH_BRANCH}checkstyle${module_suffix}.txt" \
"${PATCH_DIR}/patchcheckstyle${module_suffix}.txt" \
"${PATCH_DIR}/diffcheckstyle${module_suffix}.txt" )
if [[ ${diffpostpatch} -gt 0 ]] ; then
((rc = rc + 1))
# shellcheck disable=SC2016
numprepatch=$(wc -l "${PATCH_DIR}/${PATCH_BRANCH}checkstyle${module_suffix}.txt" | ${AWK} '{print $1}')
# shellcheck disable=SC2016
numpostpatch=$(wc -l "${PATCH_DIR}/patchcheckstyle${module_suffix}.txt" | ${AWK} '{print $1}')
add_jira_table -1 checkstyle "The applied patch generated "\
"${diffpostpatch} new checkstyle issues (total was ${numprepatch}, now ${numpostpatch})."
footer="${footer} @@BASE@@/diffcheckstyle${module_suffix}.txt"
fi
popd >/dev/null
done
if [[ ${rc} -gt 0 ]] ; then
add_jira_footer checkstyle "${footer}"
return 1
fi
add_jira_table +1 checkstyle "There were no new checkstyle issues."
return 0
}