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lib/App/Cme/Command/fusefs.pm  view on Meta::CPAN

#
# This file is part of App-Cme
#
# This software is Copyright (c) 2014-2022 by Dominique Dumont <ddumont@cpan.org>.
#
# This is free software, licensed under:
#
#   The GNU Lesser General Public License, Version 2.1, February 1999
#
# ABSTRACT: Edit the configuration of an application with fuse

package App::Cme::Command::fusefs ;
$App::Cme::Command::fusefs::VERSION = '1.047';
use strict;
use warnings;
use 5.10.1;

use App::Cme -command ;

use base qw/App::Cme::Common/;

use Config::Model::ObjTreeScanner;

sub validate_args {
    my ($self, $opt, $args) = @_;
    $self->check_unknown_args($args);
    $self->process_args($opt,$args);

    my $has_fuse = eval { require Config::Model::FuseUI; 1; };

    die "could not load Config::Model::FuseUI. Is Fuse installed ?\n"
        unless $has_fuse;

    my $fd = $opt->{fuse_dir};
    die "Directory $fd does not exists\n" unless -d $fd;

    return;
}

sub opt_spec {
    my ( $class, $app ) = @_;
    return (
        [
            "fuse-dir=s" =>  "Directory where the virtual file system will be mounted",
            {required => 1}
        ],
        [ "dfuse!"     => "debug fuse problems" ],
        [ "dir-char=s" => "string to replace '/' in configuration parameter names"],
        [ "backup:s"  => "Create a backup of configuration files before saving." ],
        $class->cme_global_options,
    );
}

sub usage_desc {
  my ($self) = @_;
  my $desc = $self->SUPER::usage_desc; # "%c COMMAND %o"
  return "$desc [application] [file ] -fuse-dir xxx [ -dir-char x ] ";
}

sub description {
    my ($self) = @_;
    return $self->get_documentation;
}

sub execute {
    my ($self, $opt, $args) = @_;

    my ($model, $inst, $root) = $self->init_cme($opt,$args);

    my @extra;
    if (my $dc = $opt->{dir_char}) {
        push @extra, dir_char_mockup => $dc;
    }

    my $fuse_dir = $opt->{fuse_dir};
    print "Mounting config on $fuse_dir in background.\n",
        "Use command 'fusermount -u $fuse_dir' to unmount\n";

    my $ui = Config::Model::FuseUI->new(
        root       => $root,
        mountpoint => $fuse_dir,
        @extra,
    );