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@xxxxxxxxxxxxxxxxxxx
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx>
---
git-send-email.perl | 71 +++++++++++++++++++++++++--------------------
1 file changed, 39 insertions(+), 32 deletions(-)
diff --git a/git-send-email.perl b/git-send-email.perl
index cc1027d8774..a8949c9d313 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -19,20 +19,10 @@
use 5.008;
use strict;
use warnings $ENV{GIT_PERL_FATAL_WARNINGS} ? qw(FATAL all) : ();
-use POSIX qw/strftime/;
-use Term::ReadLine;
use Getopt::Long;
-use Text::ParseWords;
-use Term::ANSIColor;
-use File::Temp qw/ tempdir tempfile /;
-use File::Spec::Functions qw(catdir catfile);
use Git::LoadCPAN::Error qw(:try);
-use Cwd qw(abs_path cwd);
use Git;
use Git::I18N;
-use Net::Domain ();
-use Net::SMTP ();
-use Git::LoadCPAN::Mail::Address;
Getopt::Long::Configure qw/ pass_through /;
@@ -166,7 +156,6 @@ sub format_2822_time {
);
}
-my $have_email_valid = eval { require Email::Valid; 1 };
my $smtp;
my $auth;
my $num_sent = 0;
@@ -192,14 +181,6 @@ sub format_2822_time {
my $repo = eval { Git->repository() };
my @repo = $repo ? ($repo) : ();
-my $term = eval {
- $ENV{"GIT_SEND_EMAIL_NOTTY"}
- ? Term::ReadLine->new('git-send-email', \*STDIN, \*STDOUT)
- : Term::ReadLine->new('git-send-email');
-};
-if ($@) {
- $term = FakeTerm->new("$@: going non-interactive");
-}
# Behavior modification variables
my ($quiet, $dry_run) = (0, 0);
@@ -319,9 +300,9 @@ sub do_edit {
# Handle Uncouth Termination
sub signal_handler {
-
# Make text normal
- print color("reset"), "\n";
+ require Term::ANSIColor;
+ print Term::ANSIColor::color("reset"), "\n";
# SMTP password masked
system "stty echo";
@@ -602,11 +583,13 @@ sub config_regexp {
}
sub parse_address_line {
+ require Git::LoadCPAN::Mail::Address;
return map { $_->format } Mail::Address->parse($_[0]);
}
sub split_addrs {
- return quotewords('\s*,\s*', 1, @_);
+ require Text::ParseWords;
+ return Text::ParseWords::quotewords('\s*,\s*', 1, @_);
}
my %aliases;
@@ -655,10 +638,11 @@ sub parse_sendmail_aliases {
s/\\"/"/g foreach @addr;
$aliases{$alias} = \@addr
}}},
- mailrc => sub { my $fh = shift; while (<$fh>) {
+ mailrc => sub { my $fh = shift; while (<$fh>) {
if (/^alias\s+(\S+)\s+(.*?)\s*$/) {
+ require Text::ParseWords;
# spaces delimit multiple addresses
- $aliases{$1} = [ quotewords('\s+', 0, $2) ];
+ $aliases{$1} = [ Text::ParseWords::quotewords('\s+', 0, $2) ];
}}},
pine => sub { my $fh = shift; my $f='\t[^\t]*';
for (my $x = ''; defined($x); $x = $_) {
@@ -730,7 +714,8 @@ sub is_format_patch_arg {
opendir my $dh, $f
or die sprintf(__("Failed to opendir %s: %s"), $f, $!);
- push @files, grep { -f $_ } map { catfile($f, $_) }
+ require File::Spec;
+ push @files, grep { -f $_ } map { File::Spec->catfile($f, $_) }
sort readdir $dh;
closedir $dh;
} elsif ((-f $f or -p $f) and !is_format_patch_arg($f)) {
@@ -743,7 +728,8 @@ sub is_format_patch_arg {
if (@rev_list_opts) {
die __("Cannot run git format-patch from outside a repository\n")
unless $repo;
- push @files, $repo->command('format-patch', '-o', tempdir(CLEANUP => 1), @rev_list_opts);
+ require File::Temp;
+ push @files, $repo->command('format-patch', '-o', File::Temp::tempdir(CLEANUP => 1), @rev_list_opts);
}
@files = handle_backup_files(@files);
@@ -780,9 +766,10 @@ sub get_patch_subject {
if ($compose) {
# Note that this does not need to be secure, but we will make a small
# effort to have it be unique
+ require File::Temp;
$compose_filename = ($repo ?
- tempfile(".gitsendemail.msg.XXXXXX", DIR => $repo->repo_path()) :
- tempfile(".gitsendemail.msg.XXXXXX", DIR => "."))[1];
+ File::Temp::tempfile(".gitsendemail.msg.XXXXXX", DIR => $repo->repo_path()) :
+ File::Temp::tempfile(".gitsendemail.msg.XXXXXX", DIR => "."))[1];
open my $c, ">", $compose_filename
or die sprintf(__("Failed to open for writing %s: %s"), $compose_filename, $!);
@@ -889,6 +876,19 @@ sub get_patch_subject {
do_edit(@files);
}
+sub term {
+ my $term = eval {
+ require Term::ReadLine;
+ $ENV{"GIT_SEND_EMAIL_NOTTY"}
+ ? Term::ReadLine->new('git-send-email', \*STDIN, \*STDOUT)
+ : Term::ReadLine->new('git-send-email');
+ };
+ if ($@) {
+ $term = FakeTerm->new("$@: going non-interactive");
+ }
+ return $term;
+}
+
sub ask {
my ($prompt, %arg) = @_;
my $valid_re = $arg{valid_re};
@@ -896,6 +896,7 @@ sub ask {
my $confirm_only = $arg{confirm_only};
my $resp;
my $i = 0;
+ my $term = term();
return defined $default ? $default : undef
unless defined $term->IN and defined fileno($term->IN) and
defined $term->OUT and defined fileno($term->OUT);
@@ -1076,6 +1077,7 @@ sub extract_valid_address {
return $address if ($address =~ /^($local_part_regexp)$/);
$address =~ s/^\s*<(.*)>\s*$/$1/;
+ my $have_email_valid = eval { require Email::Valid; 1 };
if ($have_email_valid) {
return scalar Email::Valid->address($address);
}
@@ -1135,7 +1137,8 @@ sub validate_address_list {
sub make_message_id {
my $uniq;
if (!defined $message_id_stamp) {
- $message_id_stamp = strftime("%Y%m%d%H%M%S.$$", gmtime(time));
+ require POSIX;
+ $message_id_stamp = POSIX::strftime("%Y%m%d%H%M%S.$$", gmtime(time));
$message_id_serial = 0;
}
$message_id_serial++;
@@ -1305,6 +1308,7 @@ sub valid_fqdn {
sub maildomain_net {
my $maildomain;
+ require Net::Domain;
my $domain = Net::Domain::domainname();
$maildomain = $domain if valid_fqdn($domain);
@@ -1315,6 +1319,7 @@ sub maildomain_mta {
my $maildomain;
for my $host (qw(mailhost localhost)) {
+ require Net::SMTP;
my $smtp = Net::SMTP->new($host);
if (defined $smtp) {
my $domain = $smtp->domain;
@@ -1994,13 +1999,15 @@ sub validate_patch {
if ($repo) {
my $hooks_path = $repo->command_oneline('rev-parse', '--git-path', 'hooks');
- my $validate_hook = catfile($hooks_path,
+ require File::Spec;
+ my $validate_hook = File::Spec->catfile($hooks_path,
'sendemail-validate');
my $hook_error;
if (-x $validate_hook) {
- my $target = abs_path($fn);
+ require Cwd;
+ my $target = Cwd::abs_path($fn);
# The hook needs a correct cwd and GIT_DIR.
- my $cwd_save = cwd();
+ my $cwd_save = Cwd::cwd();
chdir($repo->wc_path() or $repo->repo_path())
or die("chdir: $!");
local $ENV{"GIT_DIR"} = $repo->repo_path();
--
2.32.0.rc1.458.gd885d4f985c
