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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 = ();
GetOptions(
\%options,
qw{ verbose encrypt sign delete }
) or die "Error in command line arguments\n";
$options{encrypt} = $ENV{LEO_ENCRYPT};
$options{sign} = $ENV{LEO_SIGN};
$options{delete} = $ENV{LEO_DELETE};
my $gpg_fingerprint = "D9AE4AEEE1F1B3598E81D9DFB67D55D482A799FD";
my $archive_dir = "/tmp/archive";
my $ymd = ymd(); # YYYY-MM-DD.
# Dispatch table.
my %dispatch = (
"documents" => sub {
archive("$archive_dir/documents_$ymd.tar",
"-C", "$ENV{HOME}/documents", ".");
},
"journal" => sub {
my $tmp = $options{encrypt} and undef $options{encrypt}
if $options{encrypt};
archive("$archive_dir/journal_$ymd.tar",
"-C", "$ENV{HOME}/documents",
"andinus.org.gpg", "archive.org.gpg");
$options{encrypt} = $tmp;
},
"ssh" => sub {
archive("$archive_dir/ssh_$ymd.tar",
"-C", "$ENV{HOME}/.ssh", ".");
},
"pass" => sub {
archive("$archive_dir/pass_$ymd.tar",
"-C", "$ENV{HOME}/.password-store", ".");
},
);
# User must pass $tar_file first & `-C' optionally.
sub archive {
my $tar_file = shift @_;
my ( $cwd, @archive_paths );
# Passing `-C' won't print "tar: Removing leading / from absolute
# path names in the archive" to STDERR in some cases.
if ( $_[0] eq "-C" ) {
$cwd = $_[1];
# Remove `-C' & cwd to get @archive_paths;
my @tmp = @_;
shift @tmp; shift @tmp;
@archive_paths = @tmp;
} else {
@archive_paths = @_;
}
say "Archive: $tar_file";
warn "[WARN] $tar_file exists, might overwrite.\n" if -e $tar_file;
print "\n";
tar_create($tar_file, @_);
$? # tar returns 1 on errors.
? die "Archive creation failed :: $?\n"
# Print absolute paths for all archived files/directories.
: say path($_)->absolute($cwd), " archived."
foreach @archive_paths;
tar_list($tar_file) if $options{verbose};
encrypt_sign($tar_file) if $options{encrypt} or $options{sign};
}
# Encrypt, Sign archives.
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 ["gpg2", "--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{Archive files to $archive_dir.
Usage:
documents
Archive $ENV{HOME}/documents
journal
Archive $ENV{HOME}/documents/andinus.org.gpg,
$ENV{HOME}/documents/archive.org.gpg
ssh
Archive $ENV{HOME}/.ssh
pass
Archive $ENV{HOME}/.password-store
Options:
--encrypt
Encrypt files with $gpg_fingerprint
--sign
Sign files with $gpg_fingerprint
--delete
Delete the archive after running gpg2
--verbose};
}
HelpMessage() if scalar @ARGV == 0;
path($archive_dir)->mkpath; # Create archive directory.
foreach my $arg ( @ARGV ) {
say "--------------------------------";
if ( $dispatch{ $arg } ) {
$dispatch{ $arg }->();
} else {
die say "leo: no such option\n";
}
}
sub tar_create { run3 ["/bin/tar", "cf", @_]; }
sub tar_list { run3 ["/bin/tar", "tvf", @_]; }
sub ymd {
my ($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];
return "$year-$month-$mday";
}
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