/usr/bin/dh_testroot is in debhelper 9.20150101+deb8u2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | #!/usr/bin/perl -w
=head1 NAME
dh_testroot - ensure that a package is built as root
=head1 SYNOPSIS
B<dh_testroot> [S<I<debhelper options>>]
=head1 DESCRIPTION
B<dh_testroot> simply checks to see if you are root. If not, it exits with an
error. Debian packages must be built as root, though you can use
L<fakeroot(1)>
=cut
use strict;
use Debian::Debhelper::Dh_Lib;
inhibit_log();
if ($< != 0) {
error("You must run this as root (or use fakeroot).");
}
=head1 SEE ALSO
L<debhelper(7)>
This program is a part of debhelper.
=head1 AUTHOR
Joey Hess <joeyh@debian.org>
=cut
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