hadoop/dev-support/test-patch.d/shellcheck.sh
2015-04-21 21:29:45 +01:00

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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 shellcheck
SHELLCHECK_TIMER=0
SHELLCHECK=${SHELLCHECK:-$(which shellcheck)}
SHELLCHECK_SPECIFICFILES=""
# 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 shellcheck_filefilter
{
local filename=$1
if [[ ${filename} =~ \.sh$ ]]; then
add_test shellcheck
SHELLCHECK_SPECIFICFILES="${SHELLCHECK_SPECIFICFILES} ./${filename}"
fi
if [[ ! ${filename} =~ \. ]]; then
add_test shellcheck
fi
}
function shellcheck_private_findbash
{
local i
local value
local list
while read line; do
value=$(find "${line}" ! -name '*.cmd' -type f \
| ${GREP} -E -v '(.orig$|.rej$)')
list="${list} ${value}"
done < <(find . -type d -name bin -o -type d -name sbin -o -type d -name libexec -o -type d -name shellprofile.d)
# shellcheck disable=SC2086
echo ${list} ${SHELLCHECK_SPECIFICFILES} | tr ' ' '\n' | sort -u
}
function shellcheck_preapply
{
local i
verify_needed_test shellcheck
if [[ $? == 0 ]]; then
return 0
fi
big_console_header "shellcheck plugin: prepatch"
if [[ -z "${SHELLCHECK}" ]]; then
hadoop_error "shellcheck is not available."
fi
start_clock
# shellcheck disable=SC2016
SHELLCHECK_VERSION=$(shellcheck --version | ${GREP} version: | ${AWK} '{print $NF}')
echo "Running shellcheck against all identifiable shell scripts"
pushd "${BASEDIR}" >/dev/null
for i in $(shellcheck_private_findbash); do
if [[ -f ${i} ]]; then
${SHELLCHECK} -f gcc "${i}" >> "${PATCH_DIR}/${PATCH_BRANCH}shellcheck-result.txt"
fi
done
popd > /dev/null
# keep track of how much as elapsed for us already
SHELLCHECK_TIMER=$(stop_clock)
return 0
}
function shellcheck_postapply
{
local i
verify_needed_test shellcheck
if [[ $? == 0 ]]; then
return 0
fi
big_console_header "shellcheck plugin: postpatch"
if [[ -z "${SHELLCHECK}" ]]; then
hadoop_error "shellcheck is not available."
fi
start_clock
# add our previous elapsed to our new timer
# by setting the clock back
offset_clock "${SHELLCHECK_TIMER}"
echo "Running shellcheck against all identifiable shell scripts"
# we re-check this in case one has been added
for i in $(shellcheck_private_findbash); do
${SHELLCHECK} -f gcc "${i}" >> "${PATCH_DIR}/patchshellcheck-result.txt"
done
# shellcheck disable=SC2016
numPrepatch=$(wc -l "${PATCH_DIR}/${PATCH_BRANCH}shellcheck-result.txt" | ${AWK} '{print $1}')
# shellcheck disable=SC2016
numPostpatch=$(wc -l "${PATCH_DIR}/patchshellcheck-result.txt" | ${AWK} '{print $1}')
${DIFF} -u "${PATCH_DIR}/${PATCH_BRANCH}shellcheck-result.txt" \
"${PATCH_DIR}/patchshellcheck-result.txt" \
| ${GREP} '^+\.' \
> "${PATCH_DIR}/diffpatchshellcheck.txt"
# shellcheck disable=SC2016
diffPostpatch=$(wc -l "${PATCH_DIR}/diffpatchshellcheck.txt" | ${AWK} '{print $1}')
if [[ ${diffPostpatch} -gt 0 ]] ; then
add_jira_table -1 shellcheck "The applied patch generated "\
"${diffPostpatch} new shellcheck (v${SHELLCHECK_VERSION}) issues (total was ${numPrepatch}, now ${numPostpatch})."
add_jira_footer shellcheck "@@BASE@@/diffpatchshellcheck.txt"
return 1
fi
add_jira_table +1 shellcheck "There were no new shellcheck (v${SHELLCHECK_VERSION}) issues."
return 0
}