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-rwxr-xr-xtest/runLint51
1 files changed, 36 insertions, 15 deletions
diff --git a/test/runLint b/test/runLint
index 95c3887..550995d 100755
--- a/test/runLint
+++ b/test/runLint
@@ -1,51 +1,72 @@
-#!/bin/bash -u
+#!/usr/bin/env bash
+set -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
+ if [[ $out ]]; then
printf '***** %s\n' "$2"
printf '%s\n\n' "$out"
fi
}
-unset CDPATH
-cd $(dirname "$0")/..
+unset -v CDPATH
+if ! cd "$(dirname "$0")/.."; then
+ echo 'test/runLint: failed to cd into the working tree of bash-completion' >&2
+ exit 1
+fi
-cmdstart='(^|[[:space:]]|\()'
+cmdstart='(^|[[:space:];&|]|\()'
filter_out=
-gitgrep $cmdstart"awk\b.*-F([[:space:]]|[[:space:]]*[\"'][^\"']{2,})" \
- 'awk with -F char or -F ERE, use -Fchar instead (Solaris)'
+# Note: Since we started to use _comp_awk, we do not have care about the small
+# feature set of Solaris awk anymore.
-gitgrep $cmdstart"awk\b.*\[:[a-z]*:\]" \
- 'awk with POSIX character class not supported in mawk (Debian/Ubuntu)'
+gitgrep "${cmdstart}(_comp_)?awk\b.*\[:[a-z]*:\]" \
+ 'awk with POSIX character class not supported in mawk-1.3.3-20090705 (Debian/Ubuntu)'
-gitgrep $cmdstart'sed\b.*\\[?+]' \
+gitgrep "$cmdstart"'sed\b.*\\[?+]' \
'sed with ? or +, use POSIX BRE instead (\{m,n\})'
-gitgrep $cmdstart'sed\b.*\\\|' \
+gitgrep "$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 $cmdstart'sed\b.*[[:space:]]-[^[:space:]]*[rE]' \
+gitgrep "$cmdstart"'sed\b.*[[:space:]]-[^[:space:]]*[rE]' \
'sed with -r or -E, drop and use POSIX BRE instead'
-gitgrep $cmdstart'[ef]grep\b' \
+gitgrep "$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 '(?<!command)'"$cmdstart"'(grep|ls|sed|cd)(\s|$)' \
+ 'invoke grep, ls, sed, and cd through "command", e.g. "command grep"'
+
+gitgrep '(?<!command)'"$cmdstart"'awk(\s|$)' \
+ 'invoke awk through "_comp_awk"'
+
+#------------------------------------------------------------------------------
+# Bash pitfalls/styles/compatibilities (which are not detected by shellcheck)
gitgrep '<<<' 'herestrings use temp files, use some other way'
filter_out='^(test/|bash_completion\.sh)' gitgrep ' \[ ' \
'use [[ ]] instead of [ ]'
+
+gitgrep "$cmdstart"'unset [^-]' 'Explicitly specify "unset -v/-f"'
+
+gitgrep "$cmdstart"'((set|shopt)\s+[+-][a-z]+\s+posix\b|(local\s+)?POSIXLY_CORRECT\b)' \
+ 'fiddling with posix mode breaks keybindings with some bash versions'
+
+gitgrep '\$\{([^{}\n]|\{.*\})+/([^{}\n]|\{.*\})+/([^{}"\n]|\{.*\})*\$.*\}' \
+ '$rep of ${var/pat/$rep} needs to be double-quoted for shopt -s patsub_replacement (bash >= 5.2) [see Sec. of patsub_replacement in doc/styleguide.md]'
+
+gitgrep '"([^"\n]|\\.)*\$\{([^{}\n]|\{.*\})+/([^{}\n]|\{.*\})+/([^{}"\n]|\{.*\})*"([^{}"\n]|\{.*\})*\$.*\}' \
+ '$rep of "${var/pat/"$rep"}" should not be quoted for bash-4.2 or shopt -s compat42 (bash >= 4.3) [see Sec. of patsub_replacement in doc/styleguide.md]'