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Document NixOS release process #4442
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domenkozar committed Oct 7, 2016
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Expand Up @@ -18,5 +18,6 @@ NixOS.</para>
<xi:include href="nixos-tests.xml" />
<xi:include href="testing-installer.xml" />
<xi:include href="reviewing-contributions.xml" />
<xi:include href="releases.xml" />

</part>
241 changes: 241 additions & 0 deletions nixos/doc/manual/development/releases.xml
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<chapter xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xi="http://www.w3.org/2001/XInclude"
version="5.0"
xml:id="ch-releases">

<title>Releases</title>

<section xml:id="release-process">
<title>Release process</title>

<para>
Going through an example of releasing NixOS 15.09:
</para>

<section xml:id="one-month-before-the-beta">
<title>One month before the beta</title>
<itemizedlist spacing="compact">
<listitem>
<para>
Send an email to nix-dev mailinglist as a warning about upcoming beta "feature freeze" in a month.
</para>
</listitem>
<listitem>
<para>
Discuss with Eelco Dolstra and the community (via IRC, ML) about what will reach the deadline.
Any issue or Pull Request targeting the release should have assigned milestone.
</para>
</listitem>
</itemizedlist>
</section>
<section xml:id="at-beta-release-time">
<title>At beta release time</title>
<itemizedlist spacing="compact">
<listitem>
<para>
Rename <literal>rl-unstable.xml</literal> -&gt;
<literal>rl-1509.xml</literal>.
</para>
</listitem>
<listitem>
<para>
<literal>git tag -a -m &quot;Release 15.09-beta&quot; 15.09-beta &amp;&amp; git push --tags</literal>
</para>
</listitem>
<listitem>
<para>
From the master branch run <literal>git checkout -B release-15.09</literal>.
</para>
</listitem>
<listitem>
<para>
<link xlink:href="https://github.com/NixOS/nixos-org-configurations/pull/18">
Make sure channel is created at http://nixos.org/channels/.
</link>
</para>
</listitem>
<listitem>
<para>
<link xlink:href="https://github.com/NixOS/nixpkgs/settings/branches">
Lock the branch on github (so developers can’t force push)
</link>
</para>
</listitem>
<listitem>
<para>
<link xlink:href="https://github.com/NixOS/nixpkgs/compare/bdf161ed8d21...6b63c4616790">bump
<literal>system.defaultChannel</literal> attribute in
<literal>nixos/modules/misc/version.nix</literal></link>
</para>
</listitem>
<listitem>
<para>
<link xlink:href="https://github.com/NixOS/nixpkgs/commit/d6b08acd1ccac0d9d502c4b635e00b04d3387f06">update
<literal>versionSuffix</literal> in
<literal>nixos/release.nix</literal></link>, use
<literal>git log --format=%an|wc -l</literal> to get commit
count
</para>
</listitem>
<listitem>
<para>
<literal>echo -n &quot;16.03&quot; &gt; .version</literal> in
master.
</para>
</listitem>
<listitem>
<para>
<link xlink:href="https://github.com/NixOS/nixpkgs/commit/b8a4095003e27659092892a4708bb3698231a842">pick
a new name for unstable branch.</link>
</para>
</listitem>
<listitem>
<para>
<link xlink:href="https://github.com/NixOS/nixpkgs/issues/13559">Create
an issue for tracking Zero Hydra Failures progress. ZHF is an effort
to get build failures down to zero.</link>
</para>
</listitem>
<listitem>
<para>
Use https://lwn.net/Vulnerabilities/ and
<link xlink:href="https://github.com/NixOS/nixpkgs/search?utf8=%E2%9C%93&q=vulnerabilities&type=Issues">triage vulnerabilities in an issue</link>.
</para>
</listitem>
<listitem>
<para>
Create two Hydra jobsets: release-15.09 and release-15.09-small with <literal>stableBranch</literal> set to false
</para>
</listitem>
<listitem>
<para>
Edit changelog at
<literal>nixos/doc/manual/release-notes/rl-1509.xml</literal>
(double check desktop versions are noted)
</para>
<itemizedlist spacing="compact">
<listitem>
<para>
Get all new NixOS modules
<literal>git diff release-14.12..release-15.09 nixos/modules/module-list.nix|grep ^+</literal>
</para>
</listitem>
<listitem>
<para>
Note systemd, kernel, glibc and Nix upgrades.
</para>
</listitem>
</itemizedlist>
</listitem>
</itemizedlist>
</section>
<section xml:id="before-the-final-release">
<title>Before the final release</title>
<itemizedlist spacing="compact">
<listitem>
<para>
Release Nix (currently only Eelco Dolstra can do that).
<link xlink:href="https://github.com/NixOS/nixpkgs/commit/53710c752a85f00658882531bc90a23a3d1287e4">
Make sure fallback is updated.
</link>
</para>
</listitem>
<listitem>
<para>
<link xlink:href="https://github.com/NixOS/nixpkgs/commit/40fd9ae3ac8048758abdcfc7d28a78b5f22fe97e">
Update README.md with new stable NixOS version information.
</link>
</para>
</listitem>
<listitem>
<para>
Change <literal>stableBranch</literal> to true and wait for channel to update.
</para>
</listitem>
</itemizedlist>
</section>
<section xml:id="at-final-release-time">
<title>At final release time</title>
<itemizedlist spacing="compact">
<listitem>
<para>
<literal>git tag -s -a -m &quot;Release 15.09&quot; 15.09</literal>
</para>
</listitem>
<listitem>
<para>
Update http://nixos.org/nixos/download.html and http://nixos.org/nixos/manual in https://github.com/NixOS/nixos-org-configurations
</para>
</listitem>
<listitem>
<para>
Get number of commits for the release:
<literal>git log release-14.04..release-14.12 --format=%an|wc -l</literal>
</para>
</listitem>
<listitem>
<para>
Commits by contributor:
<literal>git log release-14.04..release-14.12 --format=%an|sort|uniq -c|sort -rn</literal>
</para>
</listitem>
<listitem>
<para>
Send an email to nix-dev to announce the release with above information. Best to check how previous email was formulated
to see what needs to be included.
</para>
</listitem>
</itemizedlist>
</section>
</section>

<section xml:id="release-schedule">
<title>Release schedule</title>

<informaltable>
<tgroup cols="2">
<colspec align="left" />
<colspec align="left" />
<thead>
<row>
<entry>
Date
</entry>
<entry>
Event
</entry>
</row>
</thead>
<tbody>
<row>
<entry>
2016-07-25
</entry>
<entry>
Send email to nix-dev about upcoming branch-off
</entry>
</row>
<row>
<entry>
2016-09-01
</entry>
<entry>
<literal>release-16.09</literal> branch and corresponding jobsets are created,
change freeze
</entry>
</row>
<row>
<entry>
2016-09-30
</entry>
<entry>
NixOS 16.09 released
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</section>

</chapter>

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