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
|
#!/bin/bash -u
gitgrep()
{
local out=$(git grep -I -P -n "$1" |
grep -E '^(bash_completion|completions/|test/)' |
grep -Ev "^test/runLint\>${filter_out:+|$filter_out}")
if [ -n "$out" ]; then
printf '***** %s\n' "$2"
printf '%s\n\n' "$out"
fi
}
unset CDPATH
cd $(dirname "$0")/..
cmdstart='(^|[[:space:]]|\()'
filter_out=
gitgrep $cmdstart"awk\b.*-F([[:space:]]|[[:space:]]*[\"'][^\"']{2,})" \
'awk with -F char or -F ERE, use -Fchar instead (Solaris)'
gitgrep $cmdstart"awk\b.*\[:[a-z]*:\]" \
'awk with POSIX character class not supported in mawk (Debian/Ubuntu)'
gitgrep $cmdstart'sed\b.*\\[?+]' \
'sed with ? or +, use POSIX BRE instead (\{m,n\})'
gitgrep $cmdstart'sed\b.*\\\|' \
"sed with \|, use POSIX BRE (possibly multiple sed invocations) or another tool instead"
# TODO: really nonportable? appears to work fine in Linux, FreeBSD, Solaris
#gitgrep $cmdstart'sed\b.*;' \
# 'sed with ;, use multiple -e options instead (POSIX?) (false positives?)'
gitgrep $cmdstart'sed\b.*[[:space:]]-[^[:space:]]*[rE]' \
'sed with -r or -E, drop and use POSIX BRE instead'
gitgrep $cmdstart'[ef]grep\b' \
'[ef]grep, use grep -[EF] instead (historical/deprecated)'
# TODO: $ in sed subexpression used as an anchor (POSIX BRE optional, not in
# Solaris/FreeBSD)
gitgrep '(?<!command)'$cmdstart'(grep|ls|sed)(\s|$)' \
'invoke grep, ls, and sed through "command", e.g. "command grep"'
gitgrep '<<<' 'herestrings use temp files, use some other way'
filter_out='^(test/|bash_completion\.sh)' gitgrep ' \[ ' \
'use [[ ]] instead of [ ]'
|
