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t/perf: don't depend on Git.pm 

The perf suite's aggregate.perl depends on Git.pm, which is a mild
annoyance if you've built git with NO_PERL. It turns out that the only
thing we use it for is a single call of the command_oneline() helper.
We can just replace this with backticks or similar.

Annoyingly, perl has no backtick equivalent that avoids a shell eval,
which means our $arg would require quoting. This probably doesn't matter
for our purposes, but it's better to be safe and model good style. So
we'll just provide a short helper around open(), which takes its
arguments as a list.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
maint
Jeff King 2019-11-25 11:47:20 -05:00 committed by Junio C Hamano
parent 5fa0f5238b
commit 528d9e6d01
1 changed files with 7 additions and 2 deletions
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t/perf/aggregate.perl
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@ -4,7 +4,6 @@ use lib '../../perl/build/lib';
use strict;
use warnings;
use Getopt::Long;
use Git;
use Cwd qw(realpath);

sub get_times {
@ -85,6 +84,11 @@ sub format_size {
return $out;
}

sub sane_backticks {
open(my $fh, '-|', @_);
return <$fh>;
}

my (@dirs, %dirnames, %dirabbrevs, %prefixes, @tests,
$codespeed, $sortby, $subsection, $reponame);

@ -102,7 +106,8 @@ while (scalar @ARGV) {
my $prefix = '';
last if -f $arg or $arg eq "--";
if (! -d $arg) {
my $rev = Git::command_oneline(qw(rev-parse --verify), $arg);
my $rev = sane_backticks(qw(git rev-parse --verify), $arg);
chomp $rev;
$dir = "build/".$rev;
} elsif ($arg eq '.') {
$dir = '.';