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| | # Copyright (C) all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
# async system()/qx() which takes callback
package PublicInbox::Aspawn;
use v5.12;
use parent qw(Exporter);
use PublicInbox::DS qw(awaitpid);
use PublicInbox::Spawn qw(spawn);
our @EXPORT_OK = qw(run_await);
sub _await_cb { # awaitpid cb
my ($pid, $cmd, $env, $opt, $cb, @args) = @_;
PublicInbox::Spawn::read_out_err($opt);
if ($? && !$opt->{quiet}) {
my ($status, $sig) = ($? >> 8, $? & 127);
my $msg = '';
$msg .= " (-C=$opt->{-C})" if defined $opt->{-C};
$msg .= " status=$status" if $status;
$msg .= " signal=$sig" if $sig;
warn "E: @$cmd", $msg, "\n";
}
$cb->($pid, $cmd, $env, $opt, @args) if $cb;
}
sub run_await {
my ($cmd, $env, $opt, $cb, @args) = @_;
$opt->{1} //= \(my $out);
my $pid = spawn($cmd, $env, $opt);
awaitpid($pid, \&_await_cb, $cmd, $env, $opt, $cb, @args);
awaitpid($pid); # synchronous for non-$in_loop
}
1;
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