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✏️ Editing: dh_clean

#!/usr/bin/perl

=head1 NAME

dh_clean - clean up package build directories

=cut

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

our $VERSION = DH_BUILTIN_VERSION;

=head1 SYNOPSIS

B<dh_clean> [S<I<debhelper options>>] [B<-k>] [B<-d>] [B<-X>I<item>] [S<I<path> ...>]

=head1 DESCRIPTION

B<dh_clean> is a debhelper program that is responsible for cleaning up.  It should
be the last step of the B<clean> target and other debhelper commands generally
assume that B<dh_clean> will clean up after them.

It removes the package build directories, and removes some other files including
F<debian/files>, and any detritus left behind by other debhelper commands. It
also removes common files that should not appear in a Debian diff:
  #*# *~ DEADJOE *.orig *.rej *.SUMS TAGS .deps/* *.P *-stamp

It does not run "make clean" to clean up after the build process. Use
L<dh_auto_clean(1)> to do things like that.

=head1 FILES

=over 4

=item F<debian/clean>

Can list other paths to be removed.

Note that directories listed in this file B<must> end with a trailing
slash.  Any content in these directories will be removed as well.

Supports substitution variables in compat 13 and later as
documented in L<debhelper(7)>.

=back

=head1 OPTIONS

=over 4

=item B<-k>, B<--keep>

This is deprecated, use L<dh_prep(1)> instead.

The option is removed in compat 12.

=item B<-d>, B<--dirs-only>

Only clean the package build directories, do not clean up any other files
at all.

=item B<-X>I<item> B<--exclude=>I<item>

Exclude files that contain I<item> anywhere in their filename from being
deleted, even if they would normally be deleted. You may use this option
multiple times to build up a list of things to exclude.

=item I<path> ...

Delete these I<path>s too.

Note that directories passed as arguments B<must> end with a trailing
slash.  Any content in these directories will be removed as well.

=back

=cut

init(options => {
		'dirs-only' => \$dh{D_FLAG},
		'keep|k' => \$dh{K_FLAG},
	},
	inhibit_log => 1,
);

if ($dh{K_FLAG}) {
	deprecated_functionality('dh_clean -k is deprecated; use dh_prep instead',
							 12,
							 'The -k option is not supported in compat 12; use dh_prep instead');
}

# Remove the debhelper stamp file
rm_files('debian/debhelper-build-stamp') if not $dh{D_FLAG};

my (@clean_files, @clean_dirs, %seen);

foreach my $package (@{$dh{DOPACKAGES}}) {
	my $tmp=tmpdir($package);
	my $ext=pkgext($package);
	my $source_dir = default_sourcedir($package);

if (! $dh{D_FLAG}) {
		push(@clean_files, "debian/${ext}substvars")
			unless excludefile("debian/${ext}substvars");
		
		# These are all debhelper temp files, and so it is safe to 
		# wildcard them.
		my @temp = glob("debian/$ext*.debhelper");
		push(@clean_files, @temp);
	}
	
	push(@clean_dirs , "${tmp}/")
		unless excludefile($tmp);
	push(@clean_dirs, "${source_dir}/")
	    if (not $seen{$source_dir}++ and not excludefile($source_dir));
}

if (not $dh{D_FLAG}) {
	# Restore all files in our bucket (before we delete said bucket)
	restore_all_files(1);

# Remove internal state data
	doit('rm', '-rf', 'debian/.debhelper/');
}

# Remove all debhelper logs.
if (! $dh{D_FLAG} && ! $dh{K_FLAG}) {
	my @logs = glob('debian/*.debhelper.log');
	rm_files(@logs) if @logs;
}

if (! $dh{D_FLAG}) {
	if (@ARGV) {
		push(@clean_files, grep { !m@/$@ } @ARGV);
		push(@clean_dirs, grep { m@/$@ } @ARGV);
	}

if (! $dh{K_FLAG}) {
		if (!compat(6) && -e "debian/clean") {
			my @clean=grep {
				! excludefile($_)
			# Silently ignore missing files - for all we know, dh_clean is run before
			# they have been created.
			} filearray('debian/clean', ["."], \&glob_expand_error_handler_silently_ignore);
			push(@clean_files, grep { !m@/$@ } @clean);
			push(@clean_dirs, grep { m@/$@ } @clean);
		}

push(@clean_files, 'debian/files')
			unless excludefile("debian/files");
	}
}

xargs(\@clean_files, 'rm', '-f', '--') if @clean_files;
xargs(\@clean_dirs, 'rm', '-fr', '--') if @clean_dirs;

if (! $dh{D_FLAG}) {
	# See if some files that would normally be deleted are excluded.
	my $find_options='';
	if (defined($dh{EXCLUDE_FIND}) && $dh{EXCLUDE_FIND} ne '') {
		$find_options="! \$ $dh{EXCLUDE_FIND} \$ -a";
	}

# vcs directories that should not have their contents cleaned
	# (plus the internal "quilt" directory)
	my $vcs_dirs=join " -o ", map { "-path .\\*/" . $_ }
		(".git", ".svn", ".bzr", ".hg", "CVS", '.pc', '_darcs');

# Remove other temp files.
	complex_doit("find . $find_options \$ \\( \\
		\\( $vcs_dirs \$ -prune -o -type f -a \\
	        \$ -name '#*#' -o -name '.*~' -o -name '*~' -o -name DEADJOE \\
		 -o -name '*.orig' -o -name '*.rej' -o -name '*.bak' \\
		 -o -name '.*.orig' -o -name .*.rej -o -name '.SUMS' \\
		 -o -name TAGS -o \\( -path '*/.deps/*' -a -name '*.P' \$ \\
		\\) -exec rm -f {} + \\) -o \\
		\$ -type d -a -name autom4te.cache -prune -exec rm -rf {} + \$ \\)");
}

if (!compat(6) && !$dh{K_FLAG}) {
	my @stamp_files = glob('*-stamp');
	rm_files(@stamp_files) if @stamp_files;
}

=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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