File: dh_installdirs

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#!/usr/bin/perl

=head1 NAME

dh_installdirs - create subdirectories in package build directories

=cut

use strict;
use warnings;
use Debian::Debhelper::Dh_Lib;

our $VERSION = DH_BUILTIN_VERSION;

=head1 SYNOPSIS

B<dh_installdirs> [S<I<debhelper options>>] [B<-A>] [B<--sourcedir=>I<dir>] [B<--create-in-sourcedir>] [S<I<dir> ...>]

=head1 DESCRIPTION

B<dh_installdirs> is a debhelper program that is responsible for creating
subdirectories in package build directories.

Many packages can get away with omitting the call to B<dh_installdirs>
completely.  Notably, other B<dh_*> commands are expected to create
directories as needed.

=head1 FILES

=over 4

=item debian/I<package>.dirs

Lists directories to be created in I<package>.

Generally, there is no need to list directories created by the
upstream build system or directories needed by other B<debhelper>
commands.

=back

=head1 OPTIONS

=over 4

=item B<-A>, B<--all>

Create any directories specified by command line parameters in ALL packages
acted on, not just the first.

=item B<--create-in-sourcedir>, B<--no-create-in-sourcedir>

Whether to create the specified directories in the source directory
(usually F<debian/tmp>) I<in addition to> in the package build directory
(usually F<< debian/I<package> >>).

The default is B<--no-create-in-sourcedir>.

=item B<--sourcedir=>I<dir>

Consider I<dir> the source directory for the packages acted on instead
of the default (which is usually F<debian/tmp>).

Please note that this option is dependent on the
B<--create-in-sourcedir> option (when B<--no-create-in-sourcedir> is
in effect, this option does nothing in B<dh_installdirs>).

=item I<dir> ...

Create these directories in the package build directory of the first
package acted on. (Or in all packages if B<-A> is specified.)

=back

=cut

my $create_in_sourcedir = 0;

init(options => {
	'sourcedir=s' => \$dh{SOURCEDIR},
	'create-in-sourcedir!' => \$create_in_sourcedir,
});

# PROMISE: DH NOOP WITHOUT dirs cli-options()

foreach my $package (@{$dh{DOPACKAGES}}) {
	my $tmp=tmpdir($package);
	my $file=pkgfile($package,"dirs");
	my $srcdir = $dh{SOURCEDIR} // default_sourcedir($package);

	install_dir($tmp) if compat(10);

	my @dirs;

	if ($file) {
		@dirs=filearray($file)
	}

	if (($package eq $dh{FIRSTPACKAGE} || $dh{PARAMS_ALL}) && @ARGV) {
		push @dirs, @ARGV;
	}	

	if (@dirs) {
		# Stick the $tmp onto the front of all the dirs.
		# This is necessary, for 2 reasons, one to make them 
		# be in the right directory, but more importantly, it 
		# protects against the danger of absolute dirs being
		# specified.
		my @make_dirs;
		push(@make_dirs, map {
				my $dir = "$tmp/$_";
				$dir =~ tr:/:/:s; # just beautification.
				$dir;
			} @dirs);
		if ($create_in_sourcedir) {
			push(@make_dirs, map {
					my $dir = "${srcdir}/$_";
					$dir =~ tr:/:/:s; # just beautification.
					$dir;
				} @dirs);
		}

		# Create dirs.
		install_dir(@make_dirs);
	}
}

=head1 SEE ALSO

L<debhelper(7)>

This program is a part of debhelper.

=head1 AUTHOR

Joey Hess <joeyh@debian.org>

=cut