summaryrefslogtreecommitdiff
path: root/custom-checks
blob: 440dafe5a477f6048c0940067bab525c060a70cb (plain)
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
#!/bin/bash -eu

# 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: ./custom-checks [--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

directory="$1"

check_errors() {
    regex="$1"
    message="$2"

    for match in $(
        grep -n "$regex" "$directory"/**/*.vim \
        | grep -o '^[^:]\+:[0-9]\+' \
        | sed 's:^\./::'
    ); do
        RETURN_CODE=1
        echo "$match $message"
    done
}

if (( FIX_ERRORS )); then
    sed -i "s/^\(function.*)\) *$/\1 abort/" "$directory"/**/*.vim
fi

check_errors \
    '^function.*) *$' \
    'Function without abort keyword (See :help except-compat)'
check_errors ' \+$' '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'

exit $RETURN_CODE