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#!/usr/bin/env perl
# This file is a part of Memoize, a TeX package for externalization of
# graphics and memoization of compilation results in general, available at
# https://ctan.org/pkg/memoize and https://github.com/sasozivanovic/memoize.
#
# Copyright (c) 2020- Saso Zivanovic <saso.zivanovic@guest.arnes.si>
#
# This work may be distributed and/or modified under the conditions of the
# LaTeX Project Public License, either version 1.3c of this license or (at
# your option) any later version. The latest version of this license is in
# https://www.latex-project.org/lppl.txt and version 1.3c or later is part of
# all distributions of LaTeX version 2008 or later.
#
# This work has the LPPL maintenance status `maintained'.
# The Current Maintainer of this work is Saso Zivanovic.
#
# The files belonging to this work and covered by LPPL are listed in
# <texmf>/doc/generic/memoize/FILES.
my $PROG = 'memoize-clean.pl';
my $VERSION = '2024/03/15 v1.2.0';
use strict;
use Getopt::Long;
use Cwd 'realpath';
use File::Spec;
use File::Basename;
my $usage = "usage: $PROG [-h] [--yes] [--all] [--quiet] [--prefix PREFIX] " .
"[mmz ...]\n";
my $Help = <<END;
Remove (stale) memo and extern files produced by package Memoize.
positional arguments:
mmz .mmz record files
options:
-h, --help show this help message and exit
--version, -V show version and exit
--yes, -y Do not ask for confirmation.
--all, -a Remove *all* memos and externs.
--quiet, -q
--prefix PREFIX, -p PREFIX
A path prefix to clean;
this option can be specified multiple times.
For details, see the man page or the Memoize documentation.
END
my ($yes, $all, @prefixes, $quiet, $help, $print_version);
GetOptions(
"yes|y" => \$yes,
"all|a" => \$all,
"prefix|p=s" => \@prefixes,
"quiet|q|?" => \$quiet,
"help|h|?" => \$help,
"version|V" => \$print_version,
) or die $usage;
$help and die "$usage\n$Help";
if ($print_version) { print("memoize-clean.pl of Memoize $VERSION\n"); exit 0 }
my (%keep, %prefixes);
my $curdir = Cwd::getcwd();
for my $prefix (@prefixes) {
$prefixes{Cwd::realpath(File::Spec->catfile(($curdir), $prefix))} = '';
}
my @mmzs = @ARGV;
for my $mmz (@mmzs) {
my ($mmz_filename, $mmz_dir) = File::Basename::fileparse($mmz);
@ARGV = ($mmz);
my $endinput = 0;
my $empty = -1;
my $prefix = "";
while (<>) {
if (/^ *$/) {
} elsif ($endinput) {
die "Bailing out, \\endinput is not the last line of file $mmz.\n";
} elsif (/^ *\\mmzPrefix *{(.*?)}/) {
$prefix = $1;
$prefixes{Cwd::realpath(File::Spec->catfile(($curdir,$mmz_dir), $prefix))} = '';
$empty = 1 if $empty == -1;
} elsif (/^%? *\\mmz(?:New|Used)(?:CC?Memo|Extern) *{(.*?)}/) {
my $fn = $1;
if ($prefix eq '') {
die "Bailing out, no prefix announced before file $fn.\n";
}
$keep{Cwd::realpath(File::Spec->catfile(($mmz_dir), $fn))} = 1;
$empty = 0;
if (rindex($fn, $prefix, 0) != 0) {
die "Bailing out, prefix of file $fn does not match " .
"the last announced prefix ($prefix).\n";
}
} elsif (/^ *\\endinput *$/) {
$endinput = 1;
} else {
die "Bailing out, file $mmz contains an unrecognized line: $_\n";
}
}
die "Bailing out, file $mmz is empty.\n" if $empty && !$all;
die "Bailing out, file $mmz does not end with \\endinput; this could mean that " .
"the compilation did not finish properly. You can only clean with --all.\n"
if $endinput == 0 && !$all;
}
my @tbdeleted;
sub populate_tbdeleted {
my ($basename_prefix, $dir, $suffix_dummy) = @_;
opendir(MD, $dir) or die "Cannot open directory '$dir'";
while( (my $fn = readdir(MD)) ) {
my $path = File::Spec->catfile(($dir),$fn);
if ($fn =~
/\Q$basename_prefix\E[0-9A-F]{32}(?:-[0-9A-F]{32})?(?:-[0-9]+)?#
(\.memo|(?:-[0-9]+)?\.pdf|\.log)/x
and ($all || !exists($keep{$path}))) {
push @tbdeleted, $path;
}
}
closedir(MD);
}
for my $prefix (keys %prefixes) {
my ($basename_prefix, $dir, $suffix);
if (-d $prefix) {
populate_tbdeleted('', $prefix, '');
}
populate_tbdeleted(File::Basename::fileparse($prefix));
}
@tbdeleted = sort(@tbdeleted);
my @allowed_dirs = ($curdir);
my @deletion_not_allowed;
for my $f (@tbdeleted) {
my $f_allowed = 0;
for my $dir (@allowed_dirs) {
if ($f =~ /^\Q$dir\E/) {
$f_allowed = 1;
last;
}
}
push(@deletion_not_allowed, $f) if ! $f_allowed;
}
die "Bailing out, I was asked to delete these files outside the current directory:\n" .
join("\n", @deletion_not_allowed) if (@deletion_not_allowed);
if (scalar(@tbdeleted) != 0) {
my $a;
unless ($yes) {
print("I will delete the following files:\n" .
join("\n",@tbdeleted) . "\n" .
"Proceed (y/n)? ");
$a = lc(<>);
chomp $a;
}
if ($yes || $a eq 'y' || $a eq 'yes') {
foreach my $fn (@tbdeleted) {
print "Deleting ", $fn, "\n" unless $quiet;
unlink $fn;
}
} else {
die "Bailing out.\n";
}
} elsif (!$quiet) {
print "Nothing to do, the directory seems clean.\n";
}
# Local Variables:
# after-save-hook: pl2dtx
# End:
|
