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Merge branch 'ew/cat-file-unbuffered-tests'

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The output from "git cat-file --batch-check" and "--batch-command
(info)" should not be unbuffered, for which some tests have been
added.

* ew/cat-file-unbuffered-tests:
  t1006: ensure cat-file info isn't buffered by default
  Git.pm: use array in command_bidi_pipe example
This commit is contained in:
Junio C Hamano 2024-07-02 09:58:59 -07:00
commit ae447ed130
2 changed files with 32 additions and 2 deletions
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4
perl/Git.pm
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@ -418,7 +418,7 @@ argument is required if you want to see the command name in the error message,
and it is the fourth value returned by C<command_bidi_pipe()>. The call idiom
is:
my ($pid, $in, $out, $ctx) = $r->command_bidi_pipe('cat-file --batch-check');
my ($pid, $in, $out, $ctx) = $r->command_bidi_pipe(qw(cat-file --batch-check));
print $out "000000000\n";
while (<$in>) { ... }
$r->command_close_bidi_pipe($pid, $in, $out, $ctx);
@ -431,7 +431,7 @@ C<PIPE_IN> and C<PIPE_OUT> may be C<undef> if they have been closed prior to
calling this function. This may be useful in a query-response type of
commands where caller first writes a query and later reads response, eg:
my ($pid, $in, $out, $ctx) = $r->command_bidi_pipe('cat-file --batch-check');
my ($pid, $in, $out, $ctx) = $r->command_bidi_pipe(qw(cat-file --batch-check));
print $out "000000000\n";
close $out;
while (<$in>) { ... }

30
t/t1006-cat-file.sh
View File

@ -1294,4 +1294,34 @@ test_expect_success 'batch-command flush without --buffer' '
grep "^fatal:.*flush is only for --buffer mode.*" err
'
script='
use warnings;
use strict;
use IPC::Open2;
my ($opt, $oid, $expect, @pfx) = @ARGV;
my @cmd = (qw(git cat-file), $opt);
my $pid = open2(my $out, my $in, @cmd) or die "open2: @cmd";
print $in @pfx, $oid, "\n" or die "print $!";
my $rvec = "";
vec($rvec, fileno($out), 1) = 1;
select($rvec, undef, undef, 30) or die "no response to `@pfx $oid` from @cmd";
my $info = <$out>;
chop($info) eq "\n" or die "no LF";
$info eq $expect or die "`$info` != `$expect`";
close $in or die "close in $!";
close $out or die "close out $!";
waitpid $pid, 0;
$? == 0 or die "\$?=$?";
'
expect="$hello_oid blob $hello_size"
test_expect_success PERL '--batch-check is unbuffered by default' '
perl -e "$script" -- --batch-check $hello_oid "$expect"
'
test_expect_success PERL '--batch-command info is unbuffered by default' '
perl -e "$script" -- --batch-command $hello_oid "$expect" "info "
'
test_done