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#!/usr/bin/perl
use strict;
use warnings;
use feature 'say';
use IPC::Run3;
use Path::Tiny;
use Getopt::Long qw/ GetOptions /;
my %options = (
encrypt => $ENV{LEO_ENCRYPT},
sign => $ENV{LEO_SIGN},
delete => $ENV{LEO_DELETE},
);
GetOptions(
\%options,
qw{ verbose encrypt sign delete help }
) or die "Error in command line arguments\n";
# Config file for leo.
my $config_file = $ENV{XDG_CONFIG_HOME} || "$ENV{HOME}/.config";
$config_file .= "/leo.pl";
require "$config_file";
my $ymd = ymd(); # YYYY-MM-DD.
my $backup_dir = get_backup_dir() || "/tmp/backups";
$backup_dir .= "/$ymd";
path($backup_dir)->mkpath; # Create backup directory.
my $prof;
my %profile = get_profile();
my $gpg_fingerprint = get_gpg_fingerprint();
my $gpg_bin = get_gpg_bin();
HelpMessage() and exit 0 if scalar @ARGV == 0 or $options{help};
foreach my $arg ( @ARGV ) {
$prof = $arg; # Set $prof.
if ( $profile{ $arg } ) {
say "++++++++********++++++++";
# No encryption for journal profile.
my $tmp = $options{encrypt} and undef $options{encrypt}
if $prof eq "journal" and $options{encrypt};
# Deref the array here because we want flattened list.
backup("$backup_dir/${arg}.tar", $profile{$arg}->@*);
$options{encrypt} = $tmp if $prof eq "journal";
} elsif ( -e $arg ) {
# If the file/directory exist then create a new profile & run
# backup.
say "++++++++********++++++++";
backup("$backup_dir/${arg}.tar",
# backup() is expecting path relative to $ENV{HOME}.
path($arg)->relative($ENV{HOME}));
} else {
warn "[WARN] leo: no such profile :: `$arg' \n";
}
}
# User must pass $tar_file first.
sub backup {
my $tar_file = shift @_;
my @backup_paths = @_;
say "Backup: $tar_file";
warn "[WARN] $tar_file exists, might overwrite.\n" if -e $tar_file;
print "\n";
# All paths should be relative to $ENV{HOME}.
tar_create($tar_file, "-C", $ENV{HOME}, @_);
$? # tar returns 1 on errors.
? die "Backup creation failed :: $?\n"
# Print absolute paths for all backup files/directories.
: say path($_)->absolute($ENV{HOME}), " backed up."
foreach @backup_paths;
print "\n" and tar_list($tar_file) if $options{verbose};
encrypt_sign($tar_file) if $options{encrypt} or $options{sign};
}
# Encrypt, Sign backups.
sub encrypt_sign() {
my $file = shift @_;
my @options = ();
push @options, "--recipient", $gpg_fingerprint, "--encrypt"
if $options{encrypt};
push @options, "--sign" if $options{sign};
push @options, "--verbose" if $options{verbose};
say "\nEncrypt/Sign: $file";
warn "[WARN] $file.gpg exists, might overwrite.\n" if -e "$file.gpg";
run3 [$gpg_bin, "--yes", "-o", "$file.gpg", @options, $file];
$? # We assume non-zero is an error.
? die "Encrypt/Sign failed :: $?\n"
: print "\nOutput: $file.gpg";
print " [Encrypted]" if $options{encrypt};
print " [Signed]" if $options{sign};
print "\n";
unlink $file and say "$file deleted."
or warn "[WARN] Could not delete $file: $!\n"
if $options{delete};
}
sub HelpMessage {
say qq{Backup files to $backup_dir.
Profile:};
foreach my $prof (sort keys %profile) {
next if substr($prof, 0, 1) eq "."; # Profiles starting with a
# dot will have alias.
print " $prof\n";
print " $_\n" foreach $profile{$prof}->@*;
}
say qq{
Options:
--encrypt
Encrypt files with $gpg_fingerprint
--sign
Sign files with $gpg_fingerprint
--delete
Delete the tar file after running $gpg_bin
--verbose
--help};
}
sub tar_create { run3 ["/bin/tar", "cf", @_]; }
sub tar_list { run3 ["/bin/tar", "tvf", @_]; }
sub ymd {
my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) =
localtime(time);
$year += 1900; # $year contains the number of years since 1900.
# $mon the month in the range 0..11 , with 0 indicating January
# and 11 indicating December.
my @months = qw( 01 02 03 04 05 06 07 08 09 10 11 12 );
my $month = $months[$mon];
$mday = sprintf "%02d", $mday;
return "$year-$month-$mday";
}
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