107 lines
3.3 KiB
Bash
Executable File
107 lines
3.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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set -u
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# This Bash script implements custom sanity checks for scripts beyond what
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# Vint covers, which are easy to check with regex.
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# A flag for automatically fixing some errors.
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FIX_ERRORS=0
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RETURN_CODE=0
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function print_help() {
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echo "Usage: test/script/custom-linting-rules [--fix] [DIRECTORY]" 1>&2
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echo 1>&2
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echo " -h, --help Print this help text" 1>&2
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echo " --fix Automatically fix some errors" 1>&2
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exit 1
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}
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while [ $# -ne 0 ]; do
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case $1 in
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-h) ;& --help)
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print_help
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;;
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--fix)
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FIX_ERRORS=1
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shift
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;;
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--)
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shift
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break
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;;
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-?*)
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echo "Invalid argument: $1" 1>&2
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exit 1
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;;
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*)
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break
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;;
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esac
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done
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if [ $# -eq 0 ] || [ -z "$1" ]; then
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print_help
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fi
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shopt -s globstar
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directories=("$@")
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check_errors() {
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regex="$1"
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message="$2"
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include_arg=''
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if [ $# -gt 2 ]; then
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include_arg="--include $3"
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fi
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for directory in "${directories[@]}"; do
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while IFS= read -r match; do
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RETURN_CODE=1
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echo "$match $message"
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done < <(grep -n "$regex" $include_arg "$directory"/**/*.vim \
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| grep -v 'no-custom-checks' \
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| grep -o '^[^:]\+:[0-9]\+' \
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| sed 's:^\./::')
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done
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}
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if (( FIX_ERRORS )); then
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for directory in "${directories[@]}"; do
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sed -i "s/^\(function.*)\) *$/\1 abort/" "$directory"/**/*.vim
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sed -i "s/shellescape(/ale#Escape(/" "$directory"/**/*.vim
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sed -i 's/==#/is#/g' "$directory"/**/*.vim
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sed -i 's/==?/is?/g' "$directory"/**/*.vim
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sed -i 's/!=#/isnot#/g' "$directory"/**/*.vim
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sed -i 's/!=?/isnot?/g' "$directory"/**/*.vim
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done
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fi
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# The arguments are: regex, explanation, [filename_filter]
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check_errors \
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'^function.*) *$' \
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'Function without abort keyword (See :help except-compat)'
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check_errors '^function[^!]' 'function without !'
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check_errors ' \+$' 'Trailing whitespace'
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check_errors '^ * end\?i\? *$' 'Write endif, not en, end, or endi'
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check_errors '^ [^ ]' 'Use four spaces, not two spaces'
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check_errors $'\t' 'Use four spaces, not tabs'
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# This check should prevent people from using a particular inconsistent name.
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check_errors 'let g:ale_\w\+_\w\+_args =' 'Name your option g:ale_<filetype>_<lintername>_options instead'
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check_errors 'shellescape(' 'Use ale#Escape instead of shellescape'
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check_errors 'simplify(' 'Use ale#path#Simplify instead of simplify'
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check_errors 'tempname(' 'Use ale#util#Tempname instead of tempname'
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check_errors "expand(['\"]%" "Use expand('#' . a:buffer . '...') instead. You might get a filename for the wrong buffer."
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check_errors 'getcwd()' "Do not use getcwd(), as it could run from the wrong buffer. Use expand('#' . a:buffer . ':p:h') instead."
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check_errors '==#' "Use 'is#' instead of '==#'. 0 ==# 'foobar' is true"
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check_errors '==?' "Use 'is?' instead of '==?'. 0 ==? 'foobar' is true"
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check_errors '!=#' "Use 'isnot#' instead of '!=#'. 0 !=# 'foobar' is false"
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check_errors '!=?' "Use 'isnot?' instead of '!=?'. 0 !=? 'foobar' is false"
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check_errors '^ *:\?echo' "Stray echo line. Use \`execute echo\` if you want to echo something"
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check_errors $'name.:.*\'[a-z_]*[^a-z_0-9][a-z_0-9]*\',$' 'Use snake_case names for linters' '*/ale_linters/*'
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exit $RETURN_CODE
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