package run_program; # $Id$

use diagnostics;
use strict;
use c;

use MDK::Common;
use log;

1;

sub run_or_die {
    my ($name, @args) = @_;
    run($name, @args) or die "$name failed\n";
}
sub rooted_or_die {
    my ($root, $name, @args) = @_;
    rooted($root, $name, @args) or die "$name failed\n";
}

sub get_stdout {
    my ($name, @args) = @_;
    my @r;
    run($name, '>', \@r, @args) or return;
    wantarray() ? @r : join('', @r);
}
sub rooted_get_stdout {
    my ($root, $name, @args) = @_;
    my @r;
    rooted($root, $name, '>', \@r, @args) or return;
    wantarray() ? @r : join('', @r);
}

sub run { raw({}, @_) }

sub rooted {
    my ($root, $name, @args) = @_;
    raw({ root => $root }, $name, @args);
}

sub raw {
    my ($options, $name, @args) = @_;
    my $root = $options->{root} || '';
    my $real_name = ref($name) ? $name->[0] : $name;

    my ($stdout_raw, $stdout_mode, $stderr_raw, $stderr_mode);
    ($stdout_mode, $stdout_raw, @args) = @args if $args[0] =~ /^>>?$/;
    ($stderr_mode, $stderr_raw, @args) = @args if $args[0] =~ /^2>>?$/;

    my $args = $options->{sensitive_arguments} ? '<hidden arguments>' : join(' ', @args);
    log::explanations("running: $real_name $args" . ($root ? " with root $root" : ""));

    return if $root && $<;

    $root ? ($root .= '/') : ($root = '');
    
    $ENV{HOME} || $::isInstall or $ENV{HOME} = '/root'; # TO REMOVE
    my $tmpdir = sub {
	my $dir = $::isInstall ? '/tmp' : $< == 0 ? '/root/tmp' : "$ENV{HOME}/tmp";
	-d $dir or mkdir($dir, 0700);
	$dir;
    };
    my $stdout = $stdout_raw && (ref($stdout_raw) ? $tmpdir->() . "/.drakx-stdout.$$" : "$root$stdout_raw");
    my $stderr = $stderr_raw && (ref($stderr_raw) ? $tmpdir->() . "/.drakx-stderr.$$" : "$root$stderr_raw");

    if (my $pid = fork()) {
	if ($options->{detach}) {
	    $pid;
	} else {
	    my $ok;
	    eval {
		local $SIG{ALRM} = sub { die "ALARM" };
		alarm($options->{timeout} || 10 * 60);
		waitpid $pid, 0;
		$ok = $? == 0;
		alarm 0;
	    };
	    if ($@) {
		log::l("ERROR: killing runaway process (process=$real_name, pid=$pid, args=@args, error=$@)");
		kill 9, $pid;
		return;
	    }

	    if ($stdout_raw && ref($stdout_raw)) {	    
		if (ref($stdout_raw) eq 'ARRAY') { 
		    @$stdout_raw = cat_($stdout);
		} else { 
		    $$stdout_raw = cat_($stdout);
		}
		unlink $stdout;
	    }
	    if ($stderr_raw && ref($stderr_raw)) {
		if (ref($stderr_raw) eq 'ARRAY') { 
		    @$stderr_raw = cat_($stderr);
		} else { 
		    $$stderr_raw = cat_($stderr);
		}
		unlink $stderr;
	    }
	    $ok;
	}
    } else {
	sub die_exit {
	    log::l($_[0]);
	    c::_exit(128);
	}
	if ($stderr && $stderr eq 'STDERR') {
	} elsif ($stderr) {
	    $stderr_mode =~ s/2//;
	    open STDERR, "$stderr_mode $stderr" or die_exit("run_program can not output in $stderr (mode `$stderr_mode')");
	} elsif ($::isInstall) {
	    open STDERR, ">> /tmp/ddebug.log" or open STDOUT, ">> /dev/tty7" or die_exit("run_program can not log, give me access to /tmp/ddebug.log");
	}
	if ($stdout && $stdout eq 'STDOUT') {
	} elsif ($stdout) {
	    open STDOUT, "$stdout_mode $stdout" or die_exit("run_program can not output in $stdout (mode `$stdout_mode')");
	} elsif ($::isInstall) {
	    open STDOUT, ">> /tmp/ddebug.log" or open STDOUT, ">> /dev/tty7" or die_exit("run_program can not log, give me access to /tmp/ddebug.log");
	}

	$root and chroot $root;
	chdir "/";

	my $ok = ref $name ? do {
	    exec { $name->[0] } $name->[1], @args;
	} : do {
	    exec $name, @args;
	};
	if (!$ok) {
	    die_exit("exec of $real_name failed: $!");
	}
    }

}

# run in background a sub that give back data through STDOUT a la run_program::get_stdout but w/ arbitrary perl code instead of external program
package bg_command;

sub new {
    my ($class, $sub) = @_;
    my $o = bless {}, $class;
    if ($o->{pid} = open(my $fd, "-|")) {
        $o->{fd} = $fd;
        $o;
    } else {
        $sub->();
        c::_exit(0);
    }
}

sub DESTROY {
    my ($o) = @_;
    close $o->{fd} or warn "kid exited $?";
    waitpid $o->{pid}, 0;
}

1;
0'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Marc Alexander &lt;admin@m-a-styles.de&gt;</td><td class='right'>2019-12-27 08:28:10 +0100</td></tr>
<tr><th>committer</th><td>Marc Alexander &lt;admin@m-a-styles.de&gt;</td><td class='right'>2019-12-27 08:28:10 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='sha1'><a href='/web/forums/commit/phpBB/language/en/ssh:/git@git.mageia.org/software/drakx?id=3e5090e792e6ba2be4ee1119ebdd6e82d9ef53e3'>3e5090e792e6ba2be4ee1119ebdd6e82d9ef53e3</a> (<a href='/web/forums/patch/phpBB/language/en/ssh:/git@git.mageia.org/software/drakx?id=3e5090e792e6ba2be4ee1119ebdd6e82d9ef53e3'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='sha1'><a href='/web/forums/tree/?id=3e5090e792e6ba2be4ee1119ebdd6e82d9ef53e3'>99cff8fa7935a788740c0b3a2250c8374271f947</a> /<a href='/web/forums/tree/phpBB/language/en/ssh:/git@git.mageia.org/software/drakx?id=3e5090e792e6ba2be4ee1119ebdd6e82d9ef53e3'>phpBB/language/en/ssh:/git@git.mageia.org/software/drakx</a></td></tr>
<tr><th>parent</th><td colspan='2' class='sha1'><a href='/web/forums/commit/phpBB/language/en/ssh:/git@git.mageia.org/software/drakx?id=790e77de019099b977593fa7f78ac82b3bda7365'>790e77de019099b977593fa7f78ac82b3bda7365</a> (<a href='/web/forums/diff/phpBB/language/en/ssh:/git@git.mageia.org/software/drakx?id=3e5090e792e6ba2be4ee1119ebdd6e82d9ef53e3&amp;id2=790e77de019099b977593fa7f78ac82b3bda7365'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='sha1'><a href='/web/forums/commit/phpBB/language/en/ssh:/git@git.mageia.org/software/drakx?id=8bcff3ac747ee96dff2ddd35d568b34155622a9a'>8bcff3ac747ee96dff2ddd35d568b34155622a9a</a> (<a href='/web/forums/diff/phpBB/language/en/ssh:/git@git.mageia.org/software/drakx?id=3e5090e792e6ba2be4ee1119ebdd6e82d9ef53e3&amp;id2=8bcff3ac747ee96dff2ddd35d568b34155622a9a'>diff</a>)</td></tr><tr><th>download</th><td colspan='2' class='sha1'><a href='/web/forums/snapshot/forums-3e5090e792e6ba2be4ee1119ebdd6e82d9ef53e3.tar'>forums-3e5090e792e6ba2be4ee1119ebdd6e82d9ef53e3.tar</a><br/><a href='/web/forums/snapshot/forums-3e5090e792e6ba2be4ee1119ebdd6e82d9ef53e3.tar.gz'>forums-3e5090e792e6ba2be4ee1119ebdd6e82d9ef53e3.tar.gz</a><br/><a href='/web/forums/snapshot/forums-3e5090e792e6ba2be4ee1119ebdd6e82d9ef53e3.tar.bz2'>forums-3e5090e792e6ba2be4ee1119ebdd6e82d9ef53e3.tar.bz2</a><br/><a href='/web/forums/snapshot/forums-3e5090e792e6ba2be4ee1119ebdd6e82d9ef53e3.tar.xz'>forums-3e5090e792e6ba2be4ee1119ebdd6e82d9ef53e3.tar.xz</a><br/><a href='/web/forums/snapshot/forums-3e5090e792e6ba2be4ee1119ebdd6e82d9ef53e3.zip'>forums-3e5090e792e6ba2be4ee1119ebdd6e82d9ef53e3.zip</a><br/></td></tr></table>
<div class='commit-subject'>Merge pull request #5791 from marc1706/ticket/16271</div><div class='commit-msg'>[ticket/16271] Enable support for 3.3.x API documentation
</div><div class='diffstat-header'><a href='/web/forums/diff/?id=3e5090e792e6ba2be4ee1119ebdd6e82d9ef53e3'>Diffstat</a> (limited to 'phpBB/language/en/ssh:/git@git.mageia.org/software/drakx')</div><table summary='diffstat' class='diffstat'></table><div class='diffstat-summary'>0 files changed, 0 insertions, 0 deletions</div><table summary='diff' class='diff'><tr><td></td></tr></table></div> <!-- class=content -->
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