diff options
Diffstat (limited to 't/check-non-portable-shell.pl')
| -rwxr-xr-x | t/check-non-portable-shell.pl | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/t/check-non-portable-shell.pl b/t/check-non-portable-shell.pl index b170cbc045..b45bdac688 100755 --- a/t/check-non-portable-shell.pl +++ b/t/check-non-portable-shell.pl @@ -7,21 +7,46 @@ use strict; use warnings; my $exit_code=0; +my %func; sub err { my $msg = shift; + s/^\s+//; + s/\s+$//; + s/\s+/ /g; print "$ARGV:$.: error: $msg: $_\n"; $exit_code = 1; } +# glean names of shell functions +for my $i (@ARGV) { + open(my $f, '<', $i) or die "$0: $i: $!\n"; + while (<$f>) { + $func{$1} = 1 if /^\s*(\w+)\s*\(\)\s*{\s*$/; + } + close $f; +} + while (<>) { chomp; + # stitch together incomplete lines (those ending with "\") + while (s/\\$//) { + $_ .= readline; + chomp; + } + /\bsed\s+-i/ and err 'sed -i is not portable'; - /\becho\s+-n/ and err 'echo -n is not portable (please use printf)'; + /\becho\s+-[neE]/ and err 'echo with option is not portable (use printf)'; /^\s*declare\s+/ and err 'arrays/declare not portable'; - /^\s*[^#]\s*which\s/ and err 'which is not portable (please use type)'; - /\btest\s+[^=]*==/ and err '"test a == b" is not portable (please use =)'; - /\bexport\s+[A-Za-z0-9_]*=/ and err '"export FOO=bar" is not portable (please use FOO=bar && export FOO)'; + /^\s*[^#]\s*which\s/ and err 'which is not portable (use type)'; + /\btest\s+[^=]*==/ and err '"test a == b" is not portable (use =)'; + /\bwc -l.*"\s*=/ and err '`"$(wc -l)"` is not portable (use test_line_count)'; + /\bhead\s+-c\b/ and err 'head -c is not portable (use test_copy_bytes BYTES <file >out)'; + /(?:\$\(seq|^\s*seq\b)/ and err 'seq is not portable (use test_seq)'; + /\bgrep\b.*--file\b/ and err 'grep --file FILE is not portable (use grep -f FILE)'; + /\bexport\s+[A-Za-z0-9_]*=/ and err '"export FOO=bar" is not portable (use FOO=bar && export FOO)'; + /^\s*([A-Z0-9_]+=(\w+|(["']).*?\3)\s+)+(\w+)/ and exists($func{$4}) and + err '"FOO=bar shell_func" assignment extends beyond "shell_func"'; # this resets our $. for each file close ARGV if eof; } |