=head1 NAME

stasis - an encrypting archive tool using tar, gpg and perl

=head1 SYNOPSIS

 stasis [options]

 Options:

     --destination -de destination directory to save the encrypted archive to
     --days        -da only create an archive if one doesn't exist within this many days (optional)
     --files       -f  filepath to a text file of filepaths to backup
     --ignore      -i  filepath to a text file of glob patterns to ignore (optional)
     --limit       -l  limit number of stasis backups to keep in destination directory (optional)
     --passphrase      passphrase to use
     --passfile        filepath to a textfile containing the password to use
     --referrer    -r  name of the gpg key to use (instead of a passphrase or passfile)
     --temp        -t  temp directory path, uses /tmp by default
     --verbose     -v  verbose, print progress statements (optional)
     --help        -h  print this documentation (optional)

=head1 OPTIONS

=head2 Examples

Save all the files listed in C<files_to_backup.txt> (one per line) to Dropbox:

 $ stasis --destination ~/Dropbox --files files_to_backup.txt --passphrase mysecretkey
 $ stasis -de ~/Dropbox -f files_to_backup.txt --passphrase mysecretkey

Use passfile instead of passphrase

 $ stasis -de ~/Dropbox -f files_to_backup.txt --passfile /path/to/passfile

Use referrer GPG key to encrypt

 $ stasis -de ~/Dropbox -f files_to_backup.txt -r [email protected]

Ignore the files matching patterns in C<.stasisignore>

 $ stasis -de ~/Dropbox -f files_to_backup.txt -r [email protected] -i .stasisignore

Verbose mode

 $ stasis -de ~/Dropbox -f files_to_backup.txt -r [email protected] -v

Only keep the last 4 backups

 $ stasis -de ~/Dropbox -f files_to_backup.txt --passphrase mysecretkey -l 4

Only make weekly backups

 $ stasis -de ~/Dropbox -f files_to_backup.txt --passphrase mysecretkey --days 7

=head1 REQUIREMENTS/DEPENDENCIES

=over 4

=item * GnuPG

=item * GNU tar

=item * Perl

=back

C<stasis> has been tested on Linux with GNU tar v 1.28, GnuPG v1.4.19 and Perl 5.20.2. It should work on many earlier versions too.

=head1 BUGS/LIMITATIONS

If C<--files> contains the temp or destination location in it, C<tar> will create an infinite loop.

When a passphrase or file is provided, symmetric GPG encryption is done using AES256 cipher algorithm. At the time of development
this is considered secure, but only as strong as the passphrase used to encrypt the data.

=head1 INSTALLATION

 $ cpan Stasis

Or

 $ git clone https://github.com/dnmfarrell/Stasis
 $ cd Stasis
 $ perl Makefile.PL
 $ make
 $ make install

=head1 REPOSITORY

L<https://github.com/dnmfarrell/Stasis>

=head1 AUTHOR

David Farrell E<copy> 2015

=head1 LICENSE

FreeBSD (2 clause BSD license)


=cut