1 files changed, 30 insertions, 0 deletions
diff --git a/perl-install/run_program.pm b/perl-install/run_program.pm
new file mode 100644
index 000000000..e4f2a7ef8
--- /dev/null
+++ b/perl-install/run_program.pm
@@ -0,0 +1,30 @@
+package run_program;
+
+use diagnostics;
+use strict;
+
+use log;
+
+1;
+
+sub run($@) { rooted('', @_) }
+
+sub rooted($$@) {
+    my ($root, $name, @args) = @_;
+
+    log::l("running: $name @args" . ($root ? " with root $root" : ""));
+    $root ? $root .= '/' : ($root = '');
+
+    fork and wait, return $? == 0;
+    {
+	open STDIN, "/dev/null" or die "can't open /dev/null as stdin";
+
+	open STDERR, ">> /dev/tty5" or open STDERR, ">> /tmp/exec.log" or die "runProgramRoot can't log :(";
+	open STDOUT, ">> /dev/tty5" or open STDOUT, ">> /tmp/exec.log" or die "runProgramRoot can't log :(";
+
+	$root and chroot $root;
+	chdir "/";
+
+	exec $name, @args or log::l("exec of $name failed: $!"), exit(-1);
+    }
+}