128 lines
2.9 KiB
Perl
Executable file
128 lines
2.9 KiB
Perl
Executable file
#!/usr/bin/perl
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#
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# This file is part of GNU Stow.
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#
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# GNU Stow is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# GNU Stow is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see https://www.gnu.org/licenses/.
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use strict;
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use warnings;
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require 5.006_001;
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use File::Find;
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use Getopt::Long;
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my $DEFAULT_TARGET = $ENV{STOW_DIR} || '/usr/local/';
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our $Wanted = \&bad_links;
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our %Package = ();
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our $Stow_dir = '';
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our $Target = $DEFAULT_TARGET;
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# put the main loop into a block so that tests can load this as a module
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if ( not caller() ) {
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if (@ARGV == 0) {
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usage();
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}
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process_options();
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#check_stow($Target, $Wanted);
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check_stow();
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}
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sub process_options {
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GetOptions(
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'b|badlinks' => sub { $Wanted = \&bad_links },
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'a|aliens' => sub { $Wanted = \&aliens },
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'l|list' => sub { $Wanted = \&list },
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't|target=s' => \$Target,
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) or usage();
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return;
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}
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sub usage {
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print <<"EOT";
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USAGE: chkstow [options]
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Options:
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-t DIR, --target=DIR Set the target directory to DIR
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(default is $DEFAULT_TARGET)
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-b, --badlinks Report symlinks that point to non-existent files
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-a, --aliens Report non-symlinks in the target directory
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-l, --list List packages in the target directory
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--badlinks is the default mode.
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EOT
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exit(0);
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}
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sub check_stow {
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#my ($Target, $Wanted) = @_;
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my (%options) = (
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wanted => $Wanted,
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preprocess => \&skip_dirs,
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);
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find(\%options, $Target);
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if ($Wanted == \&list) {
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delete $Package{''};
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delete $Package{'..'};
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if (keys %Package) {
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print map "$_\n", sort(keys %Package);
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}
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}
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return;
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}
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sub skip_dirs {
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# skip stow source and unstowed targets
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if (-e ".stow" || -e ".notstowed" ) {
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warn "skipping $File::Find::dir\n";
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return ();
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}
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else {
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return @_;
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}
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}
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# checking for files that do not link to anything
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sub bad_links {
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-l && !-e && print "Bogus link: $File::Find::name\n";
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}
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# checking for files that are not owned by stow
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sub aliens {
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!-l && !-d && print "Unstowed file: $File::Find::name\n";
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}
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# just list the packages in the target directory
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# FIXME: what if the stow dir is not called 'stow'?
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sub list {
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if (-l) {
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$_ = readlink;
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s{\A(?:\.\./)+stow/}{}g;
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s{/.*}{}g;
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$Package{$_} = 1;
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}
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}
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1; # Hey, it's a module!
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# Local variables:
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# mode: perl
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# cperl-indent-level: 4
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# End:
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# vim: ft=perl
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