git-commit-vandalism/t/check-non-portable-shell.pl

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#!/usr/bin/perl
# Test t0000..t9999.sh for non portable shell scripts
# This script can be called with one or more filenames as parameters
use strict;
use warnings;
my $exit_code=0;
sub err {
my $msg = shift;
s/^\s+//;
s/\s+$//;
print "$ARGV:$.: error: $msg: $_\n";
$exit_code = 1;
}
while (<>) {
chomp;
/\bsed\s+-i/ and err 'sed -i is not portable';
/\becho\s+-[neE]/ and err 'echo with option is not portable (use printf)';
/^\s*declare\s+/ and err 'arrays/declare not portable';
/^\s*[^#]\s*which\s/ and err 'which is not portable (use type)';
/\btest\s+[^=]*==/ and err '"test a == b" is not portable (use =)';
/\bwc -l.*"\s*=/ and err '`"$(wc -l)"` is not portable (use test_line_count)';
/\bexport\s+[A-Za-z0-9_]*=/ and err '"export FOO=bar" is not portable (use FOO=bar && export FOO)';
# this resets our $. for each file
close ARGV if eof;
}
exit $exit_code;