t6046/t9833: fix use of "VAR=VAL cmd" with a shell function
[git/git.git] / t / check-non-portable-shell.pl
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1#!/usr/bin/perl
2
3# Test t0000..t9999.sh for non portable shell scripts
4# This script can be called with one or more filenames as parameters
5
6use strict;
7use warnings;
8
9my $exit_code=0;
10
11sub err {
12 my $msg = shift;
13 print "$ARGV:$.: error: $msg: $_\n";
14 $exit_code = 1;
15}
16
17while (<>) {
18 chomp;
561b46c5 19 /\bsed\s+-i/ and err 'sed -i is not portable';
1a6d4689 20 /\becho\s+-[neE]/ and err 'echo with option is not portable (please use printf)';
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21 /^\s*declare\s+/ and err 'arrays/declare not portable';
22 /^\s*[^#]\s*which\s/ and err 'which is not portable (please use type)';
561b46c5 23 /\btest\s+[^=]*==/ and err '"test a == b" is not portable (please use =)';
7dbe8c80 24 /\bwc -l.*"\s*=/ and err '`"$(wc -l)"` is not portable (please use test_line_count)';
561b46c5 25 /\bexport\s+[A-Za-z0-9_]*=/ and err '"export FOO=bar" is not portable (please use FOO=bar && export FOO)';
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26 # this resets our $. for each file
27 close ARGV if eof;
28}
29exit $exit_code;