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
146
147
148
149
150
151
152
153
154
155
|
#!/usr/bin/env bash
set -e
set -u
# This Bash script implements custom sanity checks for scripts beyond what
# Vint covers, which are easy to check with regex.
# A flag for automatically fixing some errors.
FIX_ERRORS=0
RETURN_CODE=0
function print_help() {
echo "Usage: test/script/custom-linting-rules [--fix] [DIRECTORY]" 1>&2
echo 1>&2
echo " -h, --help Print this help text" 1>&2
echo " --fix Automatically fix some errors" 1>&2
exit 1
}
while [ $# -ne 0 ]; do
case $1 in
-h) ;& --help)
print_help
;;
--fix)
FIX_ERRORS=1
shift
;;
--)
shift
break
;;
-?*)
echo "Invalid argument: $1" 1>&2
exit 1
;;
*)
break
;;
esac
done
if [ $# -eq 0 ] || [ -z "$1" ]; then
print_help
fi
shopt -s globstar
directories=("$@")
check_errors() {
regex="$1"
message="$2"
include_arg=''
exclude_arg=''
if [ $# -gt 2 ]; then
include_arg="--include $3"
fi
if [ $# -gt 3 ]; then
shift
shift
shift
while (( "$#" )); do
exclude_arg="$exclude_arg --exclude $1"
shift
done
fi
for directory in "${directories[@]}"; do
# shellcheck disable=SC2086
while read -r; do
RETURN_CODE=1
echo "$REPLY $message"
done < <(grep -H -n "$regex" $include_arg $exclude_arg "$directory"/**/*.vim \
| grep -v 'no-custom-checks' \
| grep -o '^[^:]\+:[0-9]\+' \
| sed 's:^\./::')
done
}
if (( FIX_ERRORS )); then
for directory in "${directories[@]}"; do
sed -i "s/^\(function.*)\) *$/\1 abort/" "$directory"/**/*.vim
sed -i "s/shellescape(/ale#Escape(/" "$directory"/**/*.vim
sed -i 's/==#/is#/g' "$directory"/**/*.vim
sed -i 's/==?/is?/g' "$directory"/**/*.vim
sed -i 's/!=#/isnot#/g' "$directory"/**/*.vim
sed -i 's/!=?/isnot?/g' "$directory"/**/*.vim
# Improving type checks.
sed -i $'s/\\(==.\\?\\|is\\) type([\'"]\+)/is v:t_string/g' "$directory"/**/*.vim
sed -i 's/\(==.\?\|is\) type([0-9]\+)/is v:t_number/g' "$directory"/**/*.vim
sed -i 's/\(==.\?\|is\) type(\[\])/is v:t_list/g' "$directory"/**/*.vim
sed -i 's/\(==.\?\|is\) type({})/is v:t_dict/g' "$directory"/**/*.vim
sed -i 's/\(==.\?\|is\) type(function([^)]\+))/is v:t_func/g' "$directory"/**/*.vim
sed -i $'s/\\(!=.\\?\\|isnot\\) type([\'"]\+)/isnot v:t_string/g' "$directory"/**/*.vim
sed -i 's/\(!=.\?\|isnot\) type([0-9]\+)/isnot v:t_number/g' "$directory"/**/*.vim
sed -i 's/\(!=.\?\|isnot\) type(\[\])/isnot v:t_list/g' "$directory"/**/*.vim
sed -i 's/\(!=.\?\|isnot\) type({})/isnot v:t_dict/g' "$directory"/**/*.vim
sed -i 's/\(!=.\?\|isnot\) type(function([^)]\+))/isnot v:t_func/g' "$directory"/**/*.vim
done
fi
# The arguments are: regex, explanation, [filename_filter], [list, of, exclusions]
check_errors \
'^function.*) *$' \
'Function without abort keyword (See :help except-compat)'
check_errors '^function[^!]' 'function without !'
check_errors ' \+$' 'Trailing whitespace'
check_errors '^ * end\?i\? *$' 'Write endif, not en, end, or endi'
check_errors '^ [^ ]' 'Use four spaces, not two spaces'
check_errors $'\t' 'Use four spaces, not tabs'
# This check should prevent people from using a particular inconsistent name.
check_errors 'let g:ale_\w\+_\w\+_args =' 'Name your option g:ale_<filetype>_<lintername>_options instead'
check_errors 'shellescape(' 'Use ale#Escape instead of shellescape'
check_errors 'simplify(' 'Use ale#path#Simplify instead of simplify'
check_errors 'tempname(' 'Use ale#util#Tempname instead of tempname'
check_errors 'getcurpos(' "Use getpos('.') instead of getcurpos() if you don't need curswant, to avoid a bug that changes curswant"
check_errors "expand(['\"]%" "Use expand('#' . a:buffer . '...') instead. You might get a filename for the wrong buffer."
check_errors 'getcwd()' "Do not use getcwd(), as it could run from the wrong buffer. Use expand('#' . a:buffer . ':p:h') instead."
check_errors '==#' "Use 'is#' instead of '==#'. 0 ==# 'foobar' is true"
check_errors '==?' "Use 'is?' instead of '==?'. 0 ==? 'foobar' is true"
check_errors '!=#' "Use 'isnot#' instead of '!=#'. 0 !=# 'foobar' is false"
check_errors '!=?' "Use 'isnot?' instead of '!=?'. 0 !=? 'foobar' is false"
check_errors '^ *:\?echo' "Stray echo line. Use \`execute echo\` if you want to echo something"
check_errors '^ *:\?redir' 'User execute() instead of redir'
# Exclusions for grandfathered-in exceptions
exclusions="clojure/clj_kondo.vim elixir/elixir_ls.vim go/golangci_lint.vim swift/swiftformat.vim"
# shellcheck disable=SC2086
check_errors $'name.:.*\'[a-z_]*[^a-z_0-9][a-z_0-9]*\',$' 'Use snake_case names for linters' '*/ale_linters/*' $exclusions
# Checks for improving type checks.
check_errors $'\\(==.\\?\\|is\\) type([\'"]\+)' "Use 'is v:t_string' instead"
check_errors '\(==.\?\|is\) type([0-9]\+)' "Use 'is v:t_number' instead"
check_errors '\(==.\?\|is\) type(\[\])' "Use 'is v:t_list' instead"
check_errors '\(==.\?\|is\) type({})' "Use 'is v:t_dict' instead"
check_errors '\(==.\?\|is\) type(function([^)]\+))' "Use 'is v:t_func' instead"
check_errors $'\\(!=.\\?\\|isnot\\) type([\'"]\+)' "Use 'isnot v:t_string' instead"
check_errors '\(!=.\?\|isnot\) type([0-9]\+)' "Use 'isnot v:t_number' instead"
check_errors '\(!=.\?\|isnot\) type(\[\])' "Use 'isnot v:t_list' instead"
check_errors '\(!=.\?\|isnot\) type({})' "Use 'isnot v:t_dict' instead"
check_errors '\(!=.\?\|isnot\) type(function([^)]\+))' "Use 'isnot v:t_func' instead"
# Run a Python script to find lines that require padding around them. For
# users without Python installed, we'll skip these checks. GitHub Actions will
# run the script.
if command -v python > /dev/null; then
if ! test/script/block-padding-checker "$directory"/**/*.vim; then
RETURN_CODE=1
fi
fi
exit $RETURN_CODE
|
