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```
    perl Build.PL
    ./Build
    ./Build install
```

You will have to run the last command as root unless you're installing
into a local Perl module tree in your home directory.

## Testing

PGP::Sign comes with a test suite, which you can run after building with:

```
    ./Build test
```

If a test fails, you can run a single test with verbose output via:

```
    ./Build test --test_files <path-to-test>
```

If the gpg binary found first on the PATH is too old, the tests will be
skipped rather than fail.  This may not always be desirable, since the
module is not usable on such a system without configuration, but the
module can still be configured to use a GnuPG binary found elsewhere and
therefore this doesn't represent an error in the module itself.

The following additional Perl modules will be used by the test suite if
present:

* Devel::Cover
* Perl::Critic::Freenode
* Test::MinimumVersion
* Test::Perl::Critic
* Test::Pod
* Test::Pod::Coverage
* Test::Spelling
* Test::Strict
* Test::Synopsis

All are available on CPAN.  Those tests will be skipped if the modules are
not available.

To enable tests that don't detect functionality problems but are used to
sanity-check the release, set the environment variable `RELEASE_TESTING`
to a true value.  To enable tests that may be sensitive to the local
environment or that produce a lot of false positives without uncovering
many problems, set the environment variable `AUTHOR_TESTING` to a true
value.

## Support

The [PGP::Sign web page](https://www.eyrie.org/~eagle/software/pgp-sign/)
will always have the current version of this package, the current
documentation, and pointers to any additional resources.

For bug tracking, use the [CPAN bug
tracker](https://rt.cpan.org/Dist/Display.html?Name=PGP-Sign).  However,
please be aware that I tend to be extremely busy and work projects often
take priority.  I'll save your report and get to it as soon as I can, but
it may take me a couple of months.

## Source Repository

PGP::Sign is maintained using Git.  You can access the current source on
[GitHub](https://github.com/rra/pgp-sign) or by cloning the repository at:

https://git.eyrie.org/git/perl/pgp-sign.git

or [view the repository on the
web](https://git.eyrie.org/?p=perl/pgp-sign.git).

The eyrie.org repository is the canonical one, maintained by the author,
but using GitHub is probably more convenient for most purposes.  Pull
requests are gratefully reviewed and normally accepted.  It's probably
better to use the CPAN bug tracker than GitHub issues, though, to keep all
Perl module issues in the same place.

## License

The PGP::Sign package as a whole is covered by the following copyright
statement and license:

> Copyright 1997-2000, 2002, 2004, 2018, 2020
>     Russ Allbery <rra@cpan.org>
>
> This program is free software; you may redistribute it and/or modify it
> under the same terms as Perl itself.  This means that you may choose
> between the two licenses that Perl is released under: the GNU GPL and the
> Artistic License.  Please see your Perl distribution for the details and
> copies of the licenses.

Some files in this distribution are individually released under different
licenses, all of which are compatible with the above general package
license but which may require preservation of additional notices.  All
required notices, and detailed information about the licensing of each
file, are recorded in the LICENSE file.

Files covered by a license with an assigned SPDX License Identifier
include SPDX-License-Identifier tags to enable automated processing of
license information.  See https://spdx.org/licenses/ for more information.

For any copyright range specified by files in this package as YYYY-ZZZZ,
the range specifies every single year in that closed interval.