a bit of interactive mode. Just hooks into the main loop and can prompt for

commands now, can't do anything serious yet.

infrastructure/bin/dpb

@@ -1,7 +1,7 @@
 #! /usr/bin/perl
 
 # ex:ts=8 sw=4:
-# $OpenBSD: dpb,v 1.113 2015/07/15 14:30:26 espie Exp $
+# $OpenBSD: dpb,v 1.114 2015/08/24 10:16:18 espie Exp $
 #
 # Copyright (c) 2010-2013 Marc Espie <espie@openbsd.org>
 #
@@ -74,7 +74,7 @@ DPB::Trace->setup(\%SIG);
 my $state = DPB::State->new('dpb');
 $state->handle_options;
 
-$state->{all} = 1;
+$state->{all} = !$state->is_interactive;
 
 my $default_handling =
     sub {
@@ -191,7 +191,9 @@ sub handle_non_waiting_jobs
 	}
 	DPB::Core->log_concurrency(time(), $state->{concurrent});
 	DPB::Core->wake_jobs;
-	$reporter->report($force_report);
+	if ($state->want_report) {
+		$reporter->report($force_report);
+	}
 }
 
 sub main_loop
@@ -221,7 +223,8 @@ sub main_loop
 				}
 			}
 		}
-		if (!$state->opt('q') || !$state->engine->recheck_errors) {
+		if ($state->may_ask_for_commands) {
+		} elsif (!$state->opt('q') || !$state->engine->recheck_errors) {
 			last;
 		}
 	}

infrastructure/lib/DPB/Config.pm

@@ -1,5 +1,5 @@
 # ex:ts=8 sw=4:
-# $OpenBSD: Config.pm,v 1.59 2015/08/22 09:24:42 espie Exp $
+# $OpenBSD: Config.pm,v 1.60 2015/08/24 10:16:18 espie Exp $
 #
 # Copyright (c) 2010-2013 Marc Espie <espie@openbsd.org>
 #
@@ -103,7 +103,11 @@ sub parse_command_line
 			$state->usage("-$l takes an integer argument, not $o");
 		}
 	}
-	$state->{interactive} = $state->opt('i');
+	if ($state->opt('i')) {
+		require DPB::Interactive;
+		$state->{interactive} = DPB::Interactive->new;
+	}
+
     	$state->{chroot} = $state->opt('B');
 	$state->{base_user} = DPB::User->from_uid($<);
 	if (!defined $state->{base_user}) {
@@ -215,7 +219,7 @@ sub parse_command_line
 
 	$state->{size_log} = "%f/build-stats/%a-size";
 
-	my $k = $state->{interactive} ? "STARTUPI" : "STARTUP";
+	my $k = $state->is_interactive ? "STARTUPI" : "STARTUP";
 	if ($state->define_present($k)) {
 		$state->{startup_script} = $state->{subst}->value($k);
 	}

infrastructure/lib/DPB/Interactive.pm

@@ -0,0 +1,63 @@
+# ex:ts=8 sw=4:
+# $OpenBSD: Interactive.pm,v 1.1 2015/08/24 10:16:18 espie Exp $
+#
+# Copyright (c) 2015 Marc Espie <espie@openbsd.org>
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+use strict;
+use warnings;
+
+package DPB::Interactive;
+
+sub new
+{
+	my $class = shift;
+	require Term::ReadLine;
+	bless {
+	    rl => Term::ReadLine->new('dpb'), 
+	    prompt => '$ ',
+	    want_report => 1}, $class;
+}
+
+
+sub is_interactive
+{
+	return 1;
+}
+
+sub want_report
+{
+	my $self = shift;
+
+	return $self->{want_report};
+}
+
+sub may_ask_for_commands
+{
+	my $self = shift;
+	return 0 if $self->{quitting};
+	my $cmd = $self->{rl}->readline($self->{prompt});
+	$self->{want_report} = 0;
+	if ($cmd =~ m/^(?:port|pkgpath)\s+(\S+)/) {
+		$self->{current_port} = $1;
+		$self->{prompt} = $self->{current_port}.'$ ';
+	} elsif ($cmd =~ m/^quit\b/i) {
+		$self->{quitting} = 1;
+	} else {
+		print STDERR "Unknown command\n";
+	}
+	return 1;
+}
+
+1;

infrastructure/lib/DPB/State.pm

@@ -1,5 +1,5 @@
 # ex:ts=8 sw=4:
-# $OpenBSD: State.pm,v 1.14 2015/07/28 09:20:54 espie Exp $
+# $OpenBSD: State.pm,v 1.15 2015/08/24 10:16:18 espie Exp $
 #
 # Copyright (c) 2010-2013 Marc Espie <espie@openbsd.org>
 #
@@ -18,6 +18,29 @@
 use strict;
 use warnings;
 
+package DPB::InteractiveStub;
+
+sub new
+{
+	my $class = shift;
+	bless {}, $class;
+}
+
+sub is_interactive
+{
+	return 0;
+}
+
+sub want_report
+{
+	return 1;
+}
+
+sub may_ask_for_commands
+{
+	return 0;
+}
+
 package DPB::State;
 our @ISA = qw(OpenBSD::State);
 
@@ -48,10 +71,29 @@ sub init
 	$self->{heuristics} = DPB::Heuristics->new($self);
 	$self->{make} = $ENV{MAKE} || OpenBSD::Paths->make;
 	$self->{starttime} = time();
+	$self->{interactive} = DPB::InteractiveStub->new;
 
 	return $self;
 }
 
+sub is_interactive
+{
+	my $self = shift;
+	return $self->{interactive}->is_interactive;
+}
+
+sub want_report
+{
+	my $self = shift;
+	return $self->{interactive}->want_report;
+}
+
+sub may_ask_for_commands
+{
+	my $self = shift;
+	return $self->{interactive}->may_ask_for_commands;
+}
+
 sub startdate
 {
 	my $self = shift;