mirror of
https://github.com/ClickHouse/ClickHouse.git
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383 lines
19 KiB
Bash
Executable File
383 lines
19 KiB
Bash
Executable File
#!/usr/bin/env bash
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# For code formatting we have clang-format.
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#
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# But it's not sane to apply clang-format for whole code base,
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# because it sometimes makes worse for properly formatted files.
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#
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# It's only reasonable to blindly apply clang-format only in cases
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# when the code is likely to be out of style.
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#
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# For this purpose we have a script that will use very primitive heuristics
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# (simple regexps) to check if the code is likely to have basic style violations.
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# and then to run formatter only for the specified files.
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ROOT_PATH=$(git rev-parse --show-toplevel)
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EXCLUDE_DIRS='build/|integration/|widechar_width/|glibc-compatibility/|poco/|memcpy/|consistent-hashing|benchmark|tests/'
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# From [1]:
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# But since array_to_string_internal() in array.c still loops over array
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# elements and concatenates them into a string, it's probably not more
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# efficient than the looping solutions proposed, but it's more readable.
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#
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# [1]: https://stackoverflow.com/a/15394738/328260
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function in_array()
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{
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local IFS="|"
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local value=$1 && shift
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[[ "${IFS}${*}${IFS}" =~ "${IFS}${value}${IFS}" ]]
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}
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find $ROOT_PATH/{src,base,programs,utils} -name '*.h' -or -name '*.cpp' 2>/dev/null |
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grep -vP $EXCLUDE_DIRS |
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xargs grep $@ -P '((class|struct|namespace|enum|if|for|while|else|throw|switch).*|\)(\s*const)?(\s*override)?\s*)\{$|\s$|^ {1,3}[^\* ]\S|\t|^\s*(if|else if|if constexpr|else if constexpr|for|while|catch|switch)\(|\( [^\s\\]|\S \)' |
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# a curly brace not in a new line, but not for the case of C++11 init or agg. initialization | trailing whitespace | number of ws not a multiple of 4, but not in the case of comment continuation | missing whitespace after for/if/while... before opening brace | whitespaces inside braces
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grep -v -P '(//|:\s+\*|\$\(\()| \)"'
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# single-line comment | continuation of a multiline comment | a typical piece of embedded shell code | something like ending of raw string literal
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# Tabs
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find $ROOT_PATH/{src,base,programs,utils} -name '*.h' -or -name '*.cpp' 2>/dev/null |
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grep -vP $EXCLUDE_DIRS |
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xargs grep $@ -F $'\t'
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# // namespace comments are unneeded
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find $ROOT_PATH/{src,base,programs,utils} -name '*.h' -or -name '*.cpp' 2>/dev/null |
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grep -vP $EXCLUDE_DIRS |
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xargs grep $@ -P '}\s*//+\s*namespace\s*'
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# Broken symlinks
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find -L $ROOT_PATH -type l 2>/dev/null | grep -v contrib && echo "^ Broken symlinks found"
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# Double whitespaces
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find $ROOT_PATH/{src,base,programs,utils} -name '*.h' -or -name '*.cpp' 2>/dev/null |
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grep -vP $EXCLUDE_DIRS |
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while read i; do $ROOT_PATH/utils/check-style/double-whitespaces.pl < $i || echo -e "^ File $i contains double whitespaces\n"; done
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# Unused/Undefined/Duplicates ErrorCodes/ProfileEvents/CurrentMetrics
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declare -A EXTERN_TYPES
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EXTERN_TYPES[ErrorCodes]=int
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EXTERN_TYPES[ProfileEvents]=Event
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EXTERN_TYPES[CurrentMetrics]=Metric
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EXTERN_TYPES_EXCLUDES=(
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ProfileEvents::global_counters
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ProfileEvents::Event
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ProfileEvents::Count
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ProfileEvents::Counters
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ProfileEvents::end
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ProfileEvents::increment
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ProfileEvents::getName
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ProfileEvents::Type
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ProfileEvents::TypeEnum
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ProfileEvents::dumpToMapColumn
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ProfileEvents::getProfileEvents
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ProfileEvents::ThreadIdToCountersSnapshot
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ProfileEvents::LOCAL_NAME
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ProfileEvents::CountersIncrement
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CurrentMetrics::add
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CurrentMetrics::sub
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CurrentMetrics::set
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CurrentMetrics::end
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CurrentMetrics::Increment
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CurrentMetrics::Metric
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CurrentMetrics::values
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CurrentMetrics::Value
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ErrorCodes::ErrorCode
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ErrorCodes::getName
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ErrorCodes::increment
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ErrorCodes::end
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ErrorCodes::values
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ErrorCodes::values[i]
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ErrorCodes::getErrorCodeByName
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)
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for extern_type in ${!EXTERN_TYPES[@]}; do
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type_of_extern=${EXTERN_TYPES[$extern_type]}
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allowed_chars='[_A-Za-z]+'
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# Unused
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# NOTE: to fix automatically, replace echo with:
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# sed -i "/extern const $type_of_extern $val/d" $file
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find $ROOT_PATH/{src,base,programs,utils} -name '*.h' -or -name '*.cpp' | {
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# NOTE: the check is pretty dumb and distinguish only by the type_of_extern,
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# and this matches with zkutil::CreateMode
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grep -v 'src/Common/ZooKeeper/Types.h'
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} | {
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grep -vP $EXCLUDE_DIRS | xargs grep -l -P "extern const $type_of_extern $allowed_chars"
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} | while read file; do
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grep -P "extern const $type_of_extern $allowed_chars;" $file | sed -r -e "s/^.*?extern const $type_of_extern ($allowed_chars);.*?$/\1/" | while read val; do
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if ! grep -q "$extern_type::$val" $file; then
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# Excludes for SOFTWARE_EVENT/HARDWARE_EVENT/CACHE_EVENT in ThreadProfileEvents.cpp
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if [[ ! $extern_type::$val =~ ProfileEvents::Perf.* ]]; then
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echo "$extern_type::$val is defined but not used in file $file"
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fi
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fi
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done
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done
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# Undefined
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# NOTE: to fix automatically, replace echo with:
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# ( grep -q -F 'namespace $extern_type' $file && \
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# sed -i -r "0,/(\s*)extern const $type_of_extern [$allowed_chars]+/s//\1extern const $type_of_extern $val;\n&/" $file || \
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# awk '{ print; if (ns == 1) { ns = 2 }; if (ns == 2) { ns = 0; print "namespace $extern_type\n{\n extern const $type_of_extern '$val';\n}" } }; /namespace DB/ { ns = 1; };' < $file > ${file}.tmp && mv ${file}.tmp $file )
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find $ROOT_PATH/{src,base,programs,utils} -name '*.h' -or -name '*.cpp' | {
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grep -vP $EXCLUDE_DIRS | xargs grep -l -P "$extern_type::$allowed_chars"
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} | while read file; do
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grep -P "$extern_type::$allowed_chars" $file | grep -P -v '^\s*//' | sed -r -e "s/^.*?$extern_type::($allowed_chars).*?$/\1/" | while read val; do
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if ! grep -q "extern const $type_of_extern $val" $file; then
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if ! in_array "$extern_type::$val" "${EXTERN_TYPES_EXCLUDES[@]}"; then
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echo "$extern_type::$val is used in file $file but not defined"
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fi
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fi
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done
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done
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# Duplicates
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find $ROOT_PATH/{src,base,programs,utils} -name '*.h' -or -name '*.cpp' | {
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grep -vP $EXCLUDE_DIRS | xargs grep -l -P "$extern_type::$allowed_chars"
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} | while read file; do
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grep -P "extern const $type_of_extern $allowed_chars;" $file | sort | uniq -c | grep -v -P ' +1 ' && echo "Duplicate $extern_type in file $file"
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done
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done
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# Three or more consecutive empty lines
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find $ROOT_PATH/{src,base,programs,utils} -name '*.h' -or -name '*.cpp' |
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grep -vP $EXCLUDE_DIRS |
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while read file; do awk '/^$/ { ++i; if (i > 2) { print "More than two consecutive empty lines in file '$file'" } } /./ { i = 0 }' $file; done
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# Broken XML files (requires libxml2-utils)
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find $ROOT_PATH/{src,base,programs,utils} -name '*.xml' |
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grep -vP $EXCLUDE_DIRS |
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xargs xmllint --noout --nonet
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# FIXME: for now only clickhouse-test
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pylint --rcfile=$ROOT_PATH/.pylintrc --persistent=no --score=n $ROOT_PATH/tests/clickhouse-test $ROOT_PATH/tests/ci/*.py
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find $ROOT_PATH -not -path $ROOT_PATH'/contrib*' \( -name '*.yaml' -or -name '*.yml' \) -type f |
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grep -vP $EXCLUDE_DIRS |
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xargs yamllint --config-file=$ROOT_PATH/.yamllint
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# Tests should not be named with "fail" in their names. It makes looking at the results less convenient.
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find $ROOT_PATH/tests/queries -iname '*fail*' |
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grep -vP $EXCLUDE_DIRS |
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grep . && echo 'Tests should not be named with "fail" in their names. It makes looking at the results less convenient when you search for "fail" substring in browser.'
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# Queries to system.query_log/system.query_thread_log should have current_database = currentDatabase() condition
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# NOTE: it is not that accuate, but at least something.
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tests_with_query_log=( $(
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find $ROOT_PATH/tests/queries -iname '*.sql' -or -iname '*.sh' -or -iname '*.py' -or -iname '*.j2' |
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grep -vP $EXCLUDE_DIRS |
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xargs grep --with-filename -e system.query_log -e system.query_thread_log | cut -d: -f1 | sort -u
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) )
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for test_case in "${tests_with_query_log[@]}"; do
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grep -qE current_database.*currentDatabase "$test_case" || {
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grep -qE 'current_database.*\$CLICKHOUSE_DATABASE' "$test_case"
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} || echo "Queries to system.query_log/system.query_thread_log does not have current_database = currentDatabase() condition in $test_case"
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done
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# Queries to:
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tables_with_database_column=(
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system.tables
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system.parts
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system.detached_parts
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system.parts_columns
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system.columns
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system.projection_parts
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system.mutations
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)
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# should have database = currentDatabase() condition
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#
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# NOTE: it is not that accuate, but at least something.
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tests_with_database_column=( $(
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find $ROOT_PATH/tests/queries -iname '*.sql' -or -iname '*.sh' -or -iname '*.py' -or -iname '*.j2' |
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grep -vP $EXCLUDE_DIRS |
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xargs grep --with-filename $(printf -- "-e %s " "${tables_with_database_column[@]}") |
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grep -v -e ':--' -e ':#' |
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cut -d: -f1 | sort -u
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) )
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for test_case in "${tests_with_database_column[@]}"; do
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grep -qE database.*currentDatabase "$test_case" || {
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grep -qE 'database.*\$CLICKHOUSE_DATABASE' "$test_case"
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} || {
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# explicit database
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grep -qE "database[ ]*=[ ]*'" "$test_case"
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} || {
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echo "Queries to ${tables_with_database_column[*]} does not have database = currentDatabase()/\$CLICKHOUSE_DATABASE condition in $test_case"
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}
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done
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# Queries with ReplicatedMergeTree
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# NOTE: it is not that accuate, but at least something.
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tests_with_replicated_merge_tree=( $(
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find $ROOT_PATH/tests/queries -iname '*.sql' -or -iname '*.sh' -or -iname '*.py' -or -iname '*.j2' |
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grep -vP $EXCLUDE_DIRS |
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xargs grep --with-filename -e "Replicated.*MergeTree[ ]*(.*" | cut -d: -f1 | sort -u
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) )
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for test_case in "${tests_with_replicated_merge_tree[@]}"; do
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case "$test_case" in
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*.gen.*)
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;;
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*.sh)
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test_case_zk_prefix="\$CLICKHOUSE_TEST_ZOOKEEPER_PREFIX"
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grep -q -e "Replicated.*MergeTree[ ]*(.*$test_case_zk_prefix" "$test_case" || echo "Replicated.*MergeTree should contain '$test_case_zk_prefix' in zookeeper path to avoid overlaps ($test_case)"
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;;
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*.sql|*.sql.j2)
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test_case_zk_prefix="\({database}\|currentDatabase()\|{uuid}\|{default_path_test}\)"
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grep -q -e "Replicated.*MergeTree[ ]*(.*$test_case_zk_prefix" "$test_case" || echo "Replicated.*MergeTree should contain '$test_case_zk_prefix' in zookeeper path to avoid overlaps ($test_case)"
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;;
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*.py)
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# Right now there is not such tests anyway
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echo "No ReplicatedMergeTree style check for *.py ($test_case)"
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;;
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esac
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done
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# All the submodules should be from https://github.com/
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find $ROOT_PATH -name '.gitmodules' | while read i; do grep -F 'url = ' $i | grep -v -F 'https://github.com/' && echo 'All the submodules should be from https://github.com/'; done
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# There shouldn't be any code snippets under GPL or LGPL
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find $ROOT_PATH/{src,base,programs} -name '*.h' -or -name '*.cpp' 2>/dev/null | xargs grep -i -F 'General Public License' && echo "There shouldn't be any code snippets under GPL or LGPL"
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# There shouldn't be any docker containers outside docker directory
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find $ROOT_PATH -not -path $ROOT_PATH'/tests/ci*' -not -path $ROOT_PATH'/docker*' -not -path $ROOT_PATH'/contrib*' -name Dockerfile -type f 2>/dev/null | xargs --no-run-if-empty -n1 echo "Please move Dockerfile to docker directory:"
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# There shouldn't be any docker compose files outside docker directory
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find $ROOT_PATH -name '*compose*.yml' -type f -not -path $ROOT_PATH'/docker' -not -path $ROOT_PATH'/tests/integration*' -not -path $ROOT_PATH'/docker*' -not -path $ROOT_PATH'/contrib*' 2>/dev/null | grep -vP $EXCLUDE_DIRS | xargs --no-run-if-empty grep -l "version:" | xargs --no-run-if-empty -n1 echo "Please move docker compose to the 'docker' or 'tests' directory:"
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# Check that every header file has #pragma once in first line
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find $ROOT_PATH/{src,programs,utils} -name '*.h' |
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grep -vP $EXCLUDE_DIRS |
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while read file; do [[ $(head -n1 $file) != '#pragma once' ]] && echo "File $file must have '#pragma once' in first line"; done
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# Check for executable bit on non-executable files
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find $ROOT_PATH/{src,base,programs,utils,tests,docs,cmake} '(' -name '*.cpp' -or -name '*.h' -or -name '*.sql' -or -name '*.j2' -or -name '*.xml' -or -name '*.reference' -or -name '*.txt' -or -name '*.md' ')' -and -executable | grep -P '.' && echo "These files should not be executable."
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# Check for BOM
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find $ROOT_PATH/{src,base,programs,utils,tests,docs,cmake} -name '*.md' -or -name '*.cpp' -or -name '*.h' | xargs grep -l -F $'\xEF\xBB\xBF' | grep -P '.' && echo "Files should not have UTF-8 BOM"
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find $ROOT_PATH/{src,base,programs,utils,tests,docs,cmake} -name '*.md' -or -name '*.cpp' -or -name '*.h' | xargs grep -l -F $'\xFF\xFE' | grep -P '.' && echo "Files should not have UTF-16LE BOM"
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find $ROOT_PATH/{src,base,programs,utils,tests,docs,cmake} -name '*.md' -or -name '*.cpp' -or -name '*.h' | xargs grep -l -F $'\xFE\xFF' | grep -P '.' && echo "Files should not have UTF-16BE BOM"
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# Too many exclamation marks
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find $ROOT_PATH/{src,base,programs,utils} -name '*.h' -or -name '*.cpp' |
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grep -vP $EXCLUDE_DIRS |
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xargs grep -F '!!!' | grep -P '.' && echo "Too many exclamation marks (looks dirty, unconfident)."
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# Trailing whitespaces
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find $ROOT_PATH/{src,base,programs,utils} -name '*.h' -or -name '*.cpp' |
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grep -vP $EXCLUDE_DIRS |
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xargs grep -n -P ' $' | grep -n -P '.' && echo "^ Trailing whitespaces."
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# Forbid stringstream because it's easy to use them incorrectly and hard to debug possible issues
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find $ROOT_PATH/{src,programs,utils} -name '*.h' -or -name '*.cpp' |
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grep -vP $EXCLUDE_DIRS |
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xargs grep -P 'std::[io]?stringstream' | grep -v "STYLE_CHECK_ALLOW_STD_STRING_STREAM" && echo "Use WriteBufferFromOwnString or ReadBufferFromString instead of std::stringstream"
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# Forbid std::cerr/std::cout in src (fine in programs/utils)
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std_cerr_cout_excludes=(
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/examples/
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/tests/
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_fuzzer
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# DUMP()
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base/base/iostream_debug_helpers.h
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# OK
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src/Common/ProgressIndication.cpp
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# only under #ifdef DBMS_HASH_MAP_DEBUG_RESIZES, that is used only in tests
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src/Common/HashTable/HashTable.h
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# SensitiveDataMasker::printStats()
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src/Common/SensitiveDataMasker.cpp
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# StreamStatistics::print()
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src/Compression/LZ4_decompress_faster.cpp
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# ContextSharedPart with subsequent std::terminate()
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src/Interpreters/Context.cpp
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# IProcessor::dump()
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src/Processors/IProcessor.cpp
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src/Client/ClientBase.cpp
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src/Client/LineReader.cpp
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src/Client/QueryFuzzer.cpp
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src/Client/Suggest.cpp
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src/Bridge/IBridge.cpp
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src/Daemon/BaseDaemon.cpp
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src/Loggers/Loggers.cpp
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)
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sources_with_std_cerr_cout=( $(
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find $ROOT_PATH/{src,base} -name '*.h' -or -name '*.cpp' | \
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grep -vP $EXCLUDE_DIRS | \
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grep -F -v $(printf -- "-e %s " "${std_cerr_cout_excludes[@]}") | \
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xargs grep -F --with-filename -e std::cerr -e std::cout | cut -d: -f1 | sort -u
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) )
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# Exclude comments
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for src in "${sources_with_std_cerr_cout[@]}"; do
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# suppress stderr, since it may contain warning for #pargma once in headers
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if gcc -fpreprocessed -dD -E "$src" 2>/dev/null | grep -F -q -e std::cerr -e std::cout; then
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echo "$src: uses std::cerr/std::cout"
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fi
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done
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# Queries with event_date should have yesterday() not today()
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#
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# NOTE: it is not that accuate, but at least something.
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tests_with_event_time_date=( $(
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find $ROOT_PATH/tests/queries -iname '*.sql' -or -iname '*.sh' -or -iname '*.py' -or -iname '*.j2' |
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grep -vP $EXCLUDE_DIRS |
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xargs grep --with-filename -e event_time -e event_date | cut -d: -f1 | sort -u
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) )
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for test_case in "${tests_with_event_time_date[@]}"; do
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cat "$test_case" | tr '\n' ' ' | grep -q -i -e 'WHERE.*event_date[ ]*=[ ]*today()' -e 'WHERE.*event_date[ ]*=[ ]*today()' && {
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echo "event_time/event_date should be filtered using >=yesterday() in $test_case (to avoid flakiness)"
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}
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done
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expect_tests=( $(find $ROOT_PATH/tests/queries -name '*.expect') )
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for test_case in "${expect_tests[@]}"; do
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pattern="^exp_internal -f \$env(CLICKHOUSE_TMP)/\$basename.debuglog 0$"
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grep -q "$pattern" "$test_case" || echo "Missing '$pattern' in '$test_case'"
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done
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# Conflict markers
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find $ROOT_PATH/{src,base,programs,utils,tests,docs,cmake} -name '*.md' -or -name '*.cpp' -or -name '*.h' |
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xargs grep -P '^(<<<<<<<|=======|>>>>>>>)$' | grep -P '.' && echo "Conflict markers are found in files"
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# Forbid subprocess.check_call(...) in integration tests because it does not provide enough information on errors
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find $ROOT_PATH'/tests/integration' -name '*.py' |
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xargs grep -F 'subprocess.check_call' | grep -v "STYLE_CHECK_ALLOW_SUBPROCESS_CHECK_CALL" && echo "Use helpers.cluster.run_and_check or subprocess.run instead of subprocess.check_call to print detailed info on error"
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# Forbid non-unique error codes
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if [[ "$(grep -Po "M\([0-9]*," $ROOT_PATH/src/Common/ErrorCodes.cpp | wc -l)" != "$(grep -Po "M\([0-9]*," $ROOT_PATH/src/Common/ErrorCodes.cpp | sort | uniq | wc -l)" ]]
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then
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echo "ErrorCodes.cpp contains non-unique error codes"
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fi
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# Check that there is no system-wide libraries/headers in use.
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#
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# NOTE: it is better to override find_path/find_library in cmake, but right now
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# it is not possible, see [1] for the reference.
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#
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# [1]: git grep --recurse-submodules -e find_library -e find_path contrib
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if git grep -e find_path -e find_library -- :**CMakeLists.txt; then
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echo "There is find_path/find_library usage. ClickHouse should use everything bundled. Consider adding one more contrib module."
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fi
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# Forbid files that differ only by character case
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find $ROOT_PATH | sort -f | uniq -i -c | awk '{ if ($1 > 1) print }'
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# Forbid std::filesystem::is_symlink and std::filesystem::read_symlink, because it's easy to use them incorrectly
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|
find $ROOT_PATH/{src,programs,utils} -name '*.h' -or -name '*.cpp' |
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grep -vP $EXCLUDE_DIRS |
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|
xargs grep -P '::(is|read)_symlink' | grep -v "STYLE_CHECK_ALLOW_STD_FS_SYMLINK" && echo "Use DB::FS::isSymlink and DB::FS::readSymlink instead"
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|
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|
# Forbid __builtin_unreachable(), because it's hard to debug when it becomes reachable
|
|
find $ROOT_PATH/{src,programs,utils} -name '*.h' -or -name '*.cpp' |
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grep -vP $EXCLUDE_DIRS |
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|
xargs grep -P '__builtin_unreachable' && echo "Use UNREACHABLE() from defines.h instead"
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|
|
|
# Require checking return value of close(),
|
|
# since it can hide fd misuse and break other places.
|
|
find $ROOT_PATH/{src,programs,utils} -name '*.h' -or -name '*.cpp' |
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|
grep -vP $EXCLUDE_DIRS |
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|
xargs grep -e ' close(.*fd' -e ' ::close(' | grep -v = && echo "Return value of close() should be checked"
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|
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# Check for existence of __init__.py files
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|
for i in "${ROOT_PATH}"/tests/integration/test_*; do FILE="${i}/__init__.py"; [ ! -f "${FILE}" ] && echo "${FILE} should exist for every integration test"; done
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