t/check-non-portable-shell: make error messages more compact
[git/git.git] / t / check-non-portable-shell.pl
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c7ce70ac
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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 $msg = shift;
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13 s/^\s+//;
14 s/\s+$//;
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15 print "$ARGV:$.: error: $msg: $_\n";
16 $exit_code = 1;
17}
18
19while (<>) {
20 chomp;
561b46c5 21 /\bsed\s+-i/ and err 'sed -i is not portable';
ef2d2acc 22 /\becho\s+-[neE]/ and err 'echo with option is not portable (use printf)';
c7ce70ac 23 /^\s*declare\s+/ and err 'arrays/declare not portable';
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24 /^\s*[^#]\s*which\s/ and err 'which is not portable (use type)';
25 /\btest\s+[^=]*==/ and err '"test a == b" is not portable (use =)';
26 /\bwc -l.*"\s*=/ and err '`"$(wc -l)"` is not portable (use test_line_count)';
27 /\bexport\s+[A-Za-z0-9_]*=/ and err '"export FOO=bar" is not portable (use FOO=bar && export FOO)';
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28 # this resets our $. for each file
29 close ARGV if eof;
30}
31exit $exit_code;