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send-email: lazily load modules for a big speedup
Optimize the time git-send-email takes to do even the simplest of
things (such as serving up "-h") from around ~150ms to ~80ms-~90ms by
lazily loading the modules it requires.
Before this change Devel::TraceUse would report 99/97 used modules
under NO_GETTEXT=[|Y], respectively. Now it's 52/37. It now takes ~15s
to run t9001-send-email.sh, down from ~20s.
Changing File::Spec::Functions::{catdir,catfile} to invoking class
methods on File::Spec itself is idiomatic. See [1] for a more
elaborate explanation, the resulting code behaves the same way, just
without the now-pointless function wrapper.
1. http://lore.kernel.org/git/8735u8mmj9.fsf@evledraar.gmail.com
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason
Junio C Hamano
parent
447ed29c0d
commit
f4dc9432fd
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@ -19,20 +19,10 @@
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use 5.008;
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use strict;
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use warnings $ENV{GIT_PERL_FATAL_WARNINGS} ? qw(FATAL all) : ();
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use POSIX qw/strftime/;
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use Term::ReadLine;
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use Getopt::Long;
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use Text::ParseWords;
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use Term::ANSIColor;
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use File::Temp qw/ tempdir tempfile /;
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use File::Spec::Functions qw(catdir catfile);
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use Git::LoadCPAN::Error qw(:try);
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use Cwd qw(abs_path cwd);
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use Git;
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use Git::I18N;
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use Net::Domain ();
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use Net::SMTP ();
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use Git::LoadCPAN::Mail::Address;
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Getopt::Long::Configure qw/ pass_through /;
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@ -166,7 +156,6 @@ sub format_2822_time {
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);
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}
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my $have_email_valid = eval { require Email::Valid; 1 };
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my $smtp;
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my $auth;
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my $num_sent = 0;
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@ -192,14 +181,6 @@ sub format_2822_time {
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my $repo = eval { Git->repository() };
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my @repo = $repo ? ($repo) : ();
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my $term = eval {
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$ENV{"GIT_SEND_EMAIL_NOTTY"}
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? Term::ReadLine->new('git-send-email', \*STDIN, \*STDOUT)
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: Term::ReadLine->new('git-send-email');
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};
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if ($@) {
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$term = FakeTerm->new("$@: going non-interactive");
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}
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# Behavior modification variables
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my ($quiet, $dry_run) = (0, 0);
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@ -319,9 +300,9 @@ sub do_edit {
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# Handle Uncouth Termination
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sub signal_handler {
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# Make text normal
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print color("reset"), "\n";
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require Term::ANSIColor;
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print Term::ANSIColor::color("reset"), "\n";
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# SMTP password masked
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system "stty echo";
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@ -602,11 +583,13 @@ sub config_regexp {
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}
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sub parse_address_line {
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require Git::LoadCPAN::Mail::Address;
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return map { $_->format } Mail::Address->parse($_[0]);
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}
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sub split_addrs {
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return quotewords('\s*,\s*', 1, @_);
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require Text::ParseWords;
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return Text::ParseWords::quotewords('\s*,\s*', 1, @_);
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}
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my %aliases;
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@ -655,10 +638,11 @@ sub parse_sendmail_aliases {
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s/\\"/"/g foreach @addr;
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$aliases{$alias} = \@addr
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}}},
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mailrc => sub { my $fh = shift; while (<$fh>) {
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mailrc => sub { my $fh = shift; while (<$fh>) {
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if (/^alias\s+(\S+)\s+(.*?)\s*$/) {
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require Text::ParseWords;
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# spaces delimit multiple addresses
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$aliases{$1} = [ quotewords('\s+', 0, $2) ];
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$aliases{$1} = [ Text::ParseWords::quotewords('\s+', 0, $2) ];
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}}},
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pine => sub { my $fh = shift; my $f='\t[^\t]*';
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for (my $x = ''; defined($x); $x = $_) {
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@ -730,7 +714,8 @@ sub is_format_patch_arg {
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opendir my $dh, $f
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or die sprintf(__("Failed to opendir %s: %s"), $f, $!);
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push @files, grep { -f $_ } map { catfile($f, $_) }
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require File::Spec;
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push @files, grep { -f $_ } map { File::Spec->catfile($f, $_) }
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sort readdir $dh;
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closedir $dh;
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} elsif ((-f $f or -p $f) and !is_format_patch_arg($f)) {
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@ -743,7 +728,8 @@ sub is_format_patch_arg {
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if (@rev_list_opts) {
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die __("Cannot run git format-patch from outside a repository\n")
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unless $repo;
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push @files, $repo->command('format-patch', '-o', tempdir(CLEANUP => 1), @rev_list_opts);
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require File::Temp;
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push @files, $repo->command('format-patch', '-o', File::Temp::tempdir(CLEANUP => 1), @rev_list_opts);
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}
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@files = handle_backup_files(@files);
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@ -780,9 +766,10 @@ sub get_patch_subject {
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if ($compose) {
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# Note that this does not need to be secure, but we will make a small
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# effort to have it be unique
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require File::Temp;
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$compose_filename = ($repo ?
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tempfile(".gitsendemail.msg.XXXXXX", DIR => $repo->repo_path()) :
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tempfile(".gitsendemail.msg.XXXXXX", DIR => "."))[1];
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File::Temp::tempfile(".gitsendemail.msg.XXXXXX", DIR => $repo->repo_path()) :
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File::Temp::tempfile(".gitsendemail.msg.XXXXXX", DIR => "."))[1];
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open my $c, ">", $compose_filename
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or die sprintf(__("Failed to open for writing %s: %s"), $compose_filename, $!);
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@ -889,6 +876,19 @@ sub get_patch_subject {
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do_edit(@files);
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}
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sub term {
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my $term = eval {
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require Term::ReadLine;
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$ENV{"GIT_SEND_EMAIL_NOTTY"}
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? Term::ReadLine->new('git-send-email', \*STDIN, \*STDOUT)
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: Term::ReadLine->new('git-send-email');
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};
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if ($@) {
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$term = FakeTerm->new("$@: going non-interactive");
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}
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return $term;
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}
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sub ask {
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my ($prompt, %arg) = @_;
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my $valid_re = $arg{valid_re};
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@ -896,6 +896,7 @@ sub ask {
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my $confirm_only = $arg{confirm_only};
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my $resp;
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my $i = 0;
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my $term = term();
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return defined $default ? $default : undef
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unless defined $term->IN and defined fileno($term->IN) and
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defined $term->OUT and defined fileno($term->OUT);
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@ -1076,6 +1077,7 @@ sub extract_valid_address {
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return $address if ($address =~ /^($local_part_regexp)$/);
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$address =~ s/^\s*<(.*)>\s*$/$1/;
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my $have_email_valid = eval { require Email::Valid; 1 };
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if ($have_email_valid) {
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return scalar Email::Valid->address($address);
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}
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@ -1135,7 +1137,8 @@ sub validate_address_list {
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sub make_message_id {
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my $uniq;
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if (!defined $message_id_stamp) {
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$message_id_stamp = strftime("%Y%m%d%H%M%S.$$", gmtime(time));
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require POSIX;
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$message_id_stamp = POSIX::strftime("%Y%m%d%H%M%S.$$", gmtime(time));
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$message_id_serial = 0;
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}
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$message_id_serial++;
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@ -1305,6 +1308,7 @@ sub valid_fqdn {
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sub maildomain_net {
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my $maildomain;
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require Net::Domain;
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my $domain = Net::Domain::domainname();
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$maildomain = $domain if valid_fqdn($domain);
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@ -1315,6 +1319,7 @@ sub maildomain_mta {
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my $maildomain;
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for my $host (qw(mailhost localhost)) {
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require Net::SMTP;
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my $smtp = Net::SMTP->new($host);
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if (defined $smtp) {
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my $domain = $smtp->domain;
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@ -1994,13 +1999,15 @@ sub validate_patch {
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if ($repo) {
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my $hooks_path = $repo->command_oneline('rev-parse', '--git-path', 'hooks');
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my $validate_hook = catfile($hooks_path,
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require File::Spec;
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my $validate_hook = File::Spec->catfile($hooks_path,
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'sendemail-validate');
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my $hook_error;
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if (-x $validate_hook) {
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my $target = abs_path($fn);
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require Cwd;
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my $target = Cwd::abs_path($fn);
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# The hook needs a correct cwd and GIT_DIR.
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my $cwd_save = cwd();
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my $cwd_save = Cwd::cwd();
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chdir($repo->wc_path() or $repo->repo_path())
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or die("chdir: $!");
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local $ENV{"GIT_DIR"} = $repo->repo_path();
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