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4a3ed63802
The --file option to grep isn't in POSIX[1], but -f is[1]. Let's check
for that in the future, and fix the portability regression in
f237c8b6fe ("commit-graph: implement git-commit-graph write",
2018-04-02) that broke e.g. AIX.
1. http://pubs.opengroup.org/onlinepubs/009695399/utilities/grep.html
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
53 lines
1.5 KiB
Perl
Executable file
53 lines
1.5 KiB
Perl
Executable file
#!/usr/bin/perl
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# Test t0000..t9999.sh for non portable shell scripts
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# This script can be called with one or more filenames as parameters
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use strict;
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use warnings;
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my $exit_code=0;
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my %func;
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sub err {
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my $msg = shift;
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s/^\s+//;
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s/\s+$//;
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s/\s+/ /g;
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print "$ARGV:$.: error: $msg: $_\n";
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$exit_code = 1;
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}
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# glean names of shell functions
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for my $i (@ARGV) {
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open(my $f, '<', $i) or die "$0: $i: $!\n";
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while (<$f>) {
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$func{$1} = 1 if /^\s*(\w+)\s*\(\)\s*{\s*$/;
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}
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close $f;
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}
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while (<>) {
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chomp;
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# stitch together incomplete lines (those ending with "\")
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while (s/\\$//) {
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$_ .= readline;
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chomp;
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}
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/\bsed\s+-i/ and err 'sed -i is not portable';
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/\becho\s+-[neE]/ and err 'echo with option is not portable (use printf)';
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/^\s*declare\s+/ and err 'arrays/declare not portable';
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/^\s*[^#]\s*which\s/ and err 'which is not portable (use type)';
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/\btest\s+[^=]*==/ and err '"test a == b" is not portable (use =)';
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/\bwc -l.*"\s*=/ and err '`"$(wc -l)"` is not portable (use test_line_count)';
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/\bhead\s+-c\b/ and err 'head -c is not portable (use test_copy_bytes BYTES <file >out)';
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/(?:\$\(seq|^\s*seq\b)/ and err 'seq is not portable (use test_seq)';
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/\bgrep\b.*--file\b/ and err 'grep --file FILE is not portable (use grep -f FILE)';
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/\bexport\s+[A-Za-z0-9_]*=/ and err '"export FOO=bar" is not portable (use FOO=bar && export FOO)';
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/^\s*([A-Z0-9_]+=(\w+|(["']).*?\3)\s+)+(\w+)/ and exists($func{$4}) and
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err '"FOO=bar shell_func" assignment extends beyond "shell_func"';
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# this resets our $. for each file
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close ARGV if eof;
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}
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exit $exit_code;
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