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<title>GNU Guix, package manager, system distribution and more</title>
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<section>
<span style="font-size: 4em;">
<img src="perl.svg" style="background: unset; margin: unset; border: unset; box-shadow: unset; width: 1.05em;"><span style="vertical-align: 0.2em; margin-left: 0.15em;">+</span><img src="Guix.svg" style="background: unset; margin: unset; border: unset; box-shadow: unset;">
</span>
<h1>Perl software in<br>GNU Guix</h1>
<aside class="notes" data-markdown>
Hello, my name is Chris, and I'm talking about package
management with GNU Guix.
I first found out about Guix sometime in late 2015, early
2016.
I remember installing it the night before FOSDEM back in
2016 and I started using and contributing to Guix soon
after.
</section>
<section>
<h2>Through Guix you can...</h2>
<p>Get and use Perl</p>
<p>Get and use Perl modules</p>
<p>Get and use tools and applications written in Perl</p>
</section>
<section>
<h2>Getting Perl</h2>
<pre>→ guix install perl
→ perl --version
This is perl 5, version 28, subversion 0 (v5.28.0) built for
x86_64-linux-thread-multi
...</pre>
</section>
<section>
<h2>Using Perl modules</h2>
<pre>
→ guix install perl perl-uri
→ echo $PERL5LIB
/gnu/store/h3ryiwyhp8qcxyf74sxyv746171zpazr-profile/lib/perl5/site_perl
→ ls /gnu/store/h3r...azr-profile/lib/perl5/site_perl/5.28.0/
URI URI.pm x86_64-linux-thread-multi</pre>
</section>
<section data-background="white">
<img src="ikiwiki.svg" alt="Ikiwiki" style="width: 14em;" />
<ul>
<li>Wiki compiler</li>
<li>Static site generator</li>
<li>I occasionally use it for blogging</li>
</ul>
</section>
<section>
<pre>
cbaines pushed a change to branch master
in repository guix.
from 921bb35 gnu: linux-libre@4.9: Fix hash.
new 31d3a7c gnu: Add discount.
new 9d46919 gnu: Add perl-text-markdown-discount.
new 19d81cf gnu: Add perl-test-cpan-meta-json.
new d5b5020 gnu: Add perl-test-cpan-meta.
new b4387d8 gnu: Add perl-devel-cycle.
new 3d74955 gnu: Add perl-test-memory-cycle.
new 8800255 gnu: Add perl-test-notabs.
new 7d1f9c9 gnu: Add perl-test-eol.
new 4f0ee1b gnu: Add perl-html-scrubber.
new 86bd64b gnu: Add perl-yaml-libyaml.
new f0539b6 gnu: Add perl-cgi-session.
new 909dcf5 gnu: Add ikiwiki.
</pre>
</section>
<section>
<pre>
<span class="fragment fade-in-then-semi-out">(<span class="yellow-keyboard">define-public</span> ikiwiki
(package</span>
<span class="fragment fade-in-then-semi-out">(name <span class="string">"ikiwiki"</span>)
(version <span class="string">"3.20190228"</span>)</span>
<span class="fragment fade-in-then-semi-out">(source
(origin
(method url-fetch)
(uri (string-append <span class="string">"http://snapshot.debian.org/archive/debian/"</span>
<span class="string">"20190301T035241Z/pool/main/i/ikiwiki/ikiwiki_"</span>
version <span class="string">".orig.tar.xz"</span>))
(sha256
(base32
<span class="string">"17pyblaqhkb61lxl63bzndiffism8k859p54k3k4sghclq6lsynh"</span>))))</span>
<span class="fragment fade-in">...</span>
</pre></section>
<section>
<pre>
<span style="opacity: 0.5;">(<span class="yellow-keyboard">define-public</span> ikiwiki
(package</span>
...
<span class="fragment fade-in-then-semi-out">(build-system perl-build-system)</span>
<span class="fragment fade-in-then-semi-out">(arguments
`(#:phases
(modify-phases %standard-phases</span>
<span class="fragment fade-in-then-semi-out">(add-after 'unpack 'include-PERL5LIB-in-wrapper
(<span class="yellow-keyboard">lambda</span> _
(substitute* <span class="string">"IkiWiki/Wrapper.pm"</span>
((<span class="string">"^@wrapper\\_hooks"</span>)
(string-append
<span class="string">"@wrapper_hooks\n"</span>
<span class="string">" addenv(\"PERL5LIB\", \""</span>
(getenv <span class="string">"PERL5LIB"</span>)
<span class="string">"\");"</span>)))))</span>
<span class="fragment fade-in-then-semi-out">(add-after 'patch-source-shebangs 'patch-Makefile
(<span class="yellow-keyboard">lambda</span> _
(substitute* <span class="string">"Makefile.PL"</span>
((<span class="string">"SYSCONFDIR\\?="</span>) <span class="string">"SYSCONFDIR?=$(PREFIX)"</span>))
#t))</span>
<span class="fragment fade-in-then-semi-out">(add-after 'install 'wrap-programs
(<span class="yellow-keyboard">lambda*</span> (#:key outputs #:allow-other-keys)
(<span class="yellow-keyboard">let*</span> ((out (assoc-ref outputs <span class="string">"out"</span>))
(bin (string-append out <span class="string">"/bin/"</span>))
(path (getenv <span class="string">"PERL5LIB"</span>)))
(for-each (lambda (file)
(wrap-program file
`(<span class="string">"PERL5LIB"</span> <span class="string">":"</span> prefix (,path))))
(find-files bin))
#t))))))</span>
<span class="fragment fade-in">...</span></pre></section>
<section>
<pre><span style="opacity: 0.5;">(<span class="yellow-keyboard">define-public</span> ikiwiki
(package</span>
...
<span class="fragment fade-in-then-semi-out">(native-inputs
`((<span class="string">"which"</span> ,which)
(<span class="string">"perl-html-tagset"</span> ,perl-html-tagset)
(<span class="string">"perl-timedate"</span> ,perl-timedate)
(<span class="string">"perl-xml-sax"</span> ,perl-xml-sax)
(<span class="string">"perl-xml-simple"</span> ,perl-xml-simple)
(<span class="string">"gettext"</span> ,gettext-minimal)
(<span class="string">"subversion"</span> ,subversion)
(<span class="string">"git"</span> ,git)
(<span class="string">"bazaar"</span> ,bazaar)
(<span class="string">"cvs"</span> ,cvs)
(<span class="string">"mercurial"</span> ,mercurial)))</span>
<span class="fragment fade-in-then-semi-out">(inputs
`((<span class="string">"python"</span> ,python-wrapper)
(<span class="string">"perl-cgi-formbuilder"</span> ,perl-cgi-formbuilder)
(<span class="string">"perl-cgi-session"</span> ,perl-cgi-session)
(<span class="string">"perl-cgi-simple"</span> ,perl-cgi-simple)
(<span class="string">"perl-db-file"</span> ,perl-db-file)
(<span class="string">"perl-html-parser"</span> ,perl-html-parser)
(<span class="string">"perl-html-scrubber"</span> ,perl-html-scrubber)
(<span class="string">"perl-html-template"</span> ,perl-html-template)
(<span class="string">"perl-image-magick"</span> ,perl-image-magick)
(<span class="string">"perl-json"</span> ,perl-json)
(<span class="string">"perl-text-markdown-discount"</span> ,perl-text-markdown-discount)
(<span class="string">"perl-uri"</span> ,perl-uri)
(<span class="string">"perl-yaml-libyaml"</span> ,perl-yaml-libyaml)))</span>
<span class="fragment fade-in">...</span></pre></section>
<section>
<pre><span style="opacity: 0.5;">(<span class="yellow-keyboard">define-public</span> ikiwiki
(package</span>
...
<span class="fragment fade-in-then-semi-out">(home-page <span class="string">"https://ikiwiki.info/"</span>)
(synopsis <span class="string">"Wiki compiler, capable of generating HTML"</span>)
(description
<span class="string">"Ikiwiki is a wiki compiler, capable of generating a static set of web
pages, but also incorporating dynamic features like a web based editor and
commenting."</span>)
(license license:gpl2+)))</span>
</pre>
</section>
<section>
<pre>
→ guix build ikiwiki
<span class="fragment fade-in-then-semi-out">...</span>
<span class="fragment fade-right">/gnu/store/hcrv2cqzbisdb35hg2xmbxp1r2z7ijzd-ikiwiki-3.20190228</span>
</pre>
</section>
<section>
<pre>
/gnu/store/hcrv2cqzbisdb35hg2xmbxp1r2z7ijzd-ikiwiki-3.20190228
├── bin
│ ├── ikiwiki
│ ├── ikiwiki-calendar
│ ├── ikiwiki-comment
│ ├── ikiwiki-makerepo
│ ├── ikiwiki-transition
│ └── ikiwiki-update-wikilist
├── etc
│ └── ikiwiki
│ └── ...
├── lib
│ ├── ikiwiki
│ │ └── ...
│ ├── perl5
│ │ └── ...
│ └── w3m
│ └── cgi-bin
│ └── ikiwiki-w3m.cgi
├── sbin
│ └── ikiwiki-mass-rebuild
└── share
├── ikiwiki
│ └── ...
├── locale
│ └── ...
└── man
├── man1
│ └── ...
└── man8
└── ikiwiki-mass-rebuild.8.gz
</pre>
</section>
<section data-background="white">
<img src="sqitch-logo.svg" alt="Sqitch" style="width: 15em;" />
</section>
<section>
<pre>
cbaines pushed a change to branch master
in repository guix.
from 1b7436a gnu: wine-staging: Update to 4.6.
new 41c685f gnu: Add perl-http-tinyish.
new ef9902d gnu: Add perl-config-gitlike.
new 366b76c gnu: Add perl-cpan-distnameinfo.
new 54a5178 gnu: Add perl-tie-handle-offset.
new f73d4b1 gnu: Add perl-io-pager.
new e748fbe gnu: Add perl-string-formatter.
new 9273ebf gnu: Add perl-template-tiny.
new ce6bea4 gnu: Add perl-uri-nested.
new 618d52a gnu: Add perl-uri-db.
new c1a4e78 gnu: Add perl-test-checkdeps.
new 9c5551c gnu: Add perl-test-dir.
new 402cfeb gnu: Add perl-test-file.
new 709a9e9 gnu: Add perl-test-file-contents.
new 3840c51 gnu: Add perl-test-version.
new 55916fa gnu: Add perl-mysql-config.
new 7b23313 gnu: Add perl-string-shellquote.
new cabe8f1 gnu: Add sqitch.</pre>
</section>
<section>
<pre class="stretch">
→ guix import cpan HTTP::Tinyish
Starting download of /tmp/guix-file.f6bYLw
From http://www.cpan.org/authors/id/M/MI/MIYAGAWA/HTTP-Tinyish-0.15.tar.gz...
…-0.15.tar.gz 16KiB 722KiB/s 00:00 [##################] 100.0%
(package
(name <span class="string">"perl-http-tinyish"</span>)
(version <span class="string">"0.15"</span>)
(source
(origin
(method url-fetch)
(uri (string-append
<span class="string">"mirror://cpan/authors/id/M/MI/MIYAGAWA/HTTP-Tinyish-"</span>
version
<span class="string">".tar.gz"</span>))
(sha256
(base32
<span class="string">"199sa722amvwhq0czjfb7psj3hbqmvni5vxkrm579r5943pg0rax"</span>))))
(build-system perl-build-system)
(propagated-inputs
`((<span class="string">"perl-file-which"</span> ,perl-file-which)
(<span class="string">"perl-ipc-run3"</span> ,perl-ipc-run3)))
(home-page
<span class="string">"https://metacpan.org/release/HTTP-Tinyish"</span>)
(synopsis
<span class="string">"HTTP::Tiny compatible HTTP client wrappers"</span>)
(description fill-in-yourself!)
(license perl-license))</pre>
</section>
<section>
<h2>Recap: Through Guix you can...</h2>
<p>Get and use Perl</p>
<p>Get and use Perl modules</p>
<p>Get and use tools and applications written in Perl</p>
</section>
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