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-rwxr-xr-xscript/lei137
1 files changed, 67 insertions, 70 deletions
diff --git a/script/lei b/script/lei
index bec6b001..4d752fd8 100755
--- a/script/lei
+++ b/script/lei
@@ -9,10 +9,18 @@ my $narg = 5;
 my $sock;
 my $recv_cmd = PublicInbox::CmdIPC4->can('recv_cmd4');
 my $send_cmd = PublicInbox::CmdIPC4->can('send_cmd4') // do {
+        my $inline_dir = $ENV{PERL_INLINE_DIRECTORY} //= (
+                        $ENV{XDG_CACHE_HOME} //
+                        ( ($ENV{HOME} // '/nonexistent').'/.cache' )
+                        ).'/public-inbox/inline-c';
+        if (!-d $inline_dir) {
+                require File::Path;
+                File::Path::make_path($inline_dir);
+        }
         require PublicInbox::Spawn; # takes ~50ms even if built *sigh*
         $recv_cmd = PublicInbox::Spawn->can('recv_cmd4');
         PublicInbox::Spawn->can('send_cmd4');
-};
+} // die 'please install Inline::C or Socket::MsgHdr';
 
 my %pids;
 my $sigchld = sub {
@@ -66,80 +74,69 @@ my $exec_cmd = sub {
         }
 };
 
-if ($send_cmd && eval {
-        my $path = do {
-                my $runtime_dir = ($ENV{XDG_RUNTIME_DIR} // '') . '/lei';
-                die \0 if $runtime_dir eq '/dev/null/lei'; # oneshot forced
-                if ($runtime_dir eq '/lei') {
-                        require File::Spec;
-                        $runtime_dir = File::Spec->tmpdir."/lei-$<";
-                }
-                unless (-d $runtime_dir) {
-                        require File::Path;
-                        File::Path::mkpath($runtime_dir, 0, 0700);
-                }
-                "$runtime_dir/$narg.seq.sock";
-        };
-        my $addr = pack_sockaddr_un($path);
-        socket($sock, AF_UNIX, SOCK_SEQPACKET, 0) or die "socket: $!";
-        unless (connect($sock, $addr)) { # start the daemon if not started
-                local $ENV{PERL5LIB} = join(':', @INC);
-                open(my $daemon, '-|', $^X, qw[-MPublicInbox::LEI
-                        -E PublicInbox::LEI::lazy_start(@ARGV)],
-                        $path, $! + 0, $narg) or die "popen: $!";
-                while (<$daemon>) { warn $_ } # EOF when STDERR is redirected
-                close($daemon) or warn <<"";
+my $runtime_dir = ($ENV{XDG_RUNTIME_DIR} // '') . '/lei';
+if ($runtime_dir eq '/lei') {
+        require File::Spec;
+        $runtime_dir = File::Spec->tmpdir."/lei-$<";
+}
+unless (-d $runtime_dir) {
+        require File::Path;
+        File::Path::make_path($runtime_dir, { mode => 0700 });
+}
+my $path = "$runtime_dir/$narg.seq.sock";
+my $addr = pack_sockaddr_un($path);
+socket($sock, AF_UNIX, SOCK_SEQPACKET, 0) or die "socket: $!";
+unless (connect($sock, $addr)) { # start the daemon if not started
+        local $ENV{PERL5LIB} = join(':', @INC);
+        open(my $daemon, '-|', $^X, qw[-MPublicInbox::LEI
+                -E PublicInbox::LEI::lazy_start(@ARGV)],
+                $path, $! + 0, $narg) or die "popen: $!";
+        while (<$daemon>) { warn $_ } # EOF when STDERR is redirected
+        close($daemon) or warn <<"";
 lei-daemon could not start, exited with \$?=$?
 
-                # try connecting again anyways, unlink+bind may be racy
-                connect($sock, $addr) or die <<"";
+        # try connecting again anyways, unlink+bind may be racy
+        connect($sock, $addr) or die <<"";
 connect($path): $! (after attempted daemon start)
 Falling back to (slow) one-shot mode
 
+}
+# (Socket::MsgHdr|Inline::C), $sock are all available:
+open my $dh, '<', '.' or die "open(.) $!";
+my $buf = join("\0", scalar(@ARGV), @ARGV);
+while (my ($k, $v) = each %ENV) { $buf .= "\0$k=$v" }
+$buf .= "\0\0";
+my $n = $send_cmd->($sock, [0, 1, 2, fileno($dh)], $buf, MSG_EOR);
+if (!$n) {
+        die "sendmsg: $! (check RLIMIT_NOFILE)\n" if $!{ETOOMANYREFS};
+        die "sendmsg: $!\n";
+}
+my $x_it_code = 0;
+while (1) {
+        my (@fds) = $recv_cmd->($sock, my $buf, 4096 * 33);
+        if (scalar(@fds) == 1 && !defined($fds[0])) {
+                next if $!{EINTR};
+                last if $!{ECONNRESET};
+                die "recvmsg: $!";
         }
-        # (Socket::MsgHdr|Inline::C), $sock are all available:
-        open my $dh, '<', '.' or die "open(.) $!";
-        my $buf = join("\0", scalar(@ARGV), @ARGV);
-        while (my ($k, $v) = each %ENV) { $buf .= "\0$k=$v" }
-        $buf .= "\0\0";
-        my $n = $send_cmd->($sock, [0, 1, 2, fileno($dh)], $buf, MSG_EOR);
-        if (!$n) {
-                die "sendmsg: $! (check RLIMIT_NOFILE)\n" if $!{ETOOMANYREFS};
-                die "sendmsg: $!\n";
-        }
-        1;
-}) { # connected and request sent to lei-daemon, wait for responses or EOF
-        my $x_it_code = 0;
-        while (1) {
-                my (@fds) = $recv_cmd->($sock, my $buf, 4096 * 33);
-                if (scalar(@fds) == 1 && !defined($fds[0])) {
-                        next if $!{EINTR};
-                        last if $!{ECONNRESET};
-                        die "recvmsg: $!";
-                }
-                last if $buf eq '';
-                if ($buf =~ /\Aexec (.+)\z/) {
-                        $exec_cmd->(\@fds, split(/\0/, $1));
-                } elsif ($buf eq '-WINCH') {
-                        kill($buf, @parent); # for MUA
-                } elsif ($buf =~ /\Ax_it ([0-9]+)\z/) {
-                        $x_it_code ||= $1 + 0;
-                        last;
-                } elsif ($buf =~ /\Achild_error ([0-9]+)\z/) {
-                        $x_it_code ||= $1 + 0;
-                } else {
-                        $sigchld->();
-                        die $buf;
-                }
-        }
-        $sigchld->();
-        if (my $sig = ($x_it_code & 127)) {
-                kill $sig, $$;
-                sleep(1) while 1;
+        last if $buf eq '';
+        if ($buf =~ /\Aexec (.+)\z/) {
+                $exec_cmd->(\@fds, split(/\0/, $1));
+        } elsif ($buf eq '-WINCH') {
+                kill($buf, @parent); # for MUA
+        } elsif ($buf =~ /\Ax_it ([0-9]+)\z/) {
+                $x_it_code ||= $1 + 0;
+                last;
+        } elsif ($buf =~ /\Achild_error ([0-9]+)\z/) {
+                $x_it_code ||= $1 + 0;
+        } else {
+                $sigchld->();
+                die $buf;
         }
-        exit($x_it_code >> 8);
-} else { # for systems lacking Socket::MsgHdr or Inline::C
-        warn $@ if $@ && !ref($@);
-        require PublicInbox::LEI;
-        PublicInbox::LEI::oneshot(__PACKAGE__);
 }
+$sigchld->();
+if (my $sig = ($x_it_code & 127)) {
+        kill $sig, $$;
+        sleep(1) while 1;
+}
+exit($x_it_code >> 8);