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{{Release Engineering How To|Generate_partial_updates}}
{{Release Engineering How To|Generate_partial_updates}}


<h1> Intro </h1>
= Intro =
<p>This document is about generating partial updates from older releases, eg N-2 to N, on request from Release Management. We generate N-1 to N updates in the release automation, but more than that is a manual process until <span class="fck_mw_template">{{bug|575317}}</span> makes some progress.
This document is about generating partial updates from older releases, eg N-2 to N, on request from Release Management. We generate N-1 to N updates in the release automation, but more than that is a manual process until {{bug|575317}} makes some progress.
</p><p>Assumptions:
</p>
<ul><li> the automated updates builder has already run, and you're re-using the slave for the copy of the utilities and scripts you need
</li><li> the request is for the release channel
</li><li> all locales are being generated, possibly only some of the platforms
</li></ul>
<p>For the purposes of this doc we'll say the update will be between $OLDV and $NEWV build$BUILD. The bug is $XXX<a href="http://www.freepornpump.com">XXX</a>
</p>


<h1> Create config files </h1>
Assumptions:
<h2> Patcher config </h2>
* the automated updates builder has already run, and you're re-using the slave for the copy of the utilities and scripts you need
<p>To get setup
* the request is for the release channel
</p>
* all locales are being generated, possibly only some of the platforms
<ul><li> grab a copy of the release config, mozRelease-branch-patcher2.cfg, from your own CVS checkout or from &lt;a href="http://mxr.mozilla.org/mozilla/source/tools/patcher-configs/mozRelease-branch-patcher2.cfg?raw=1"&gt;mxr&lt;/a&gt;
 
</li><li> verify that the file is up to date by checking the values of <tt>from</tt> and <tt>to</tt> in <tt>&lt;current-update&gt;</tt>, and the right buildN in the <tt>completemarurl</tt> of the <tt>&lt;releases&gt;</tt> block for the release being created
For the purposes of this doc we'll say the update will be between $OLDV and $NEWV build$BUILD. The bug is $XXXXXX
</li><li> rename it to mozRelease-branch-patcher2-$XXXXXX.cfg
 
</li></ul>
= Create config files =
<p>To modify the config
== Patcher config ==
</p>
To get setup
<ul><li> in the <tt>&lt;current-update&gt;</tt> block
* grab a copy of the release config, mozRelease-branch-patcher2.cfg, from your own CVS checkout or from [http://mxr.mozilla.org/mozilla/source/tools/patcher-configs/mozRelease-branch-patcher2.cfg?raw=1 mxr]
<ul><li> change the <tt>from</tt> version to $OLDV
* verify that the file is up to date by checking the values of <tt>from</tt> and <tt>to</tt> in <tt><current-update></tt>, and the right buildN in the <tt>completemarurl</tt> of the <tt><releases></tt> block for the release being created
</li><li> in the <tt>&lt;partial&gt;</tt> block change the from version in the paths to $OLDV
* rename it to mozRelease-branch-patcher2-$XXXXXX.cfg
</li></ul>
 
</li><li> remove all the past-update lines just below <tt>&lt;current-update&gt;</tt> block
To modify the config
</li><li> remove the unneeded blocks from <tt>&lt;release&gt;</tt> (keep only $OLDV and $NEWV, for brevity)
* in the <tt><current-update></tt> block
</li><li> if only some platforms are needed (eg windows), remove the other platforms from the <tt>&lt;platforms&gt;</tt> and <tt>&lt;exceptions</tt> blocks
** change the <tt>from</tt> version to $OLDV
</li></ul>
** in the <tt><partial></tt> block change the from version in the paths to $OLDV
<p>Attach the file to the bug, request review. You'll download it again later using $YYYYYY for the attachment id. &lt;a href="https://bug768576.bugzilla.mozilla.org/attachment.cgi?id=637051"&gt;Example config&lt;/a&gt;.
* remove all the past-update lines just below <tt><current-update></tt> block
</p>
* remove the unneeded blocks from <tt><release></tt> (keep only $OLDV and $NEWV, for brevity)
<h2> Update verify configs </h2>
* if only some platforms are needed (eg windows), remove the other platforms from the <tt><platforms></tt> and <tt><exceptions</tt> blocks
<p>To get setup
 
</p>
Attach the file to the bug, request review. You'll download it again later using $YYYYYY for the attachment id. [https://bug768576.bugzilla.mozilla.org/attachment.cgi?id=637051 Example config].
<ul><li> grab a copy of the configs, either from your tools checkout or directly from hg.m.o (&lt;a href="http://hg.mozilla.org/build/tools/raw-file/default/release/updates/mozRelease-firefox-win32.cfg"&gt;windows&lt;/a&gt;, &lt;a href="http://hg.mozilla.org/build/tools/raw-file/default/release/updates/mozRelease-firefox-mac64.cfg"&gt;mac&lt;/a&gt;)
 
</li><li> verify the configs are up to date by checking the current release is referenced in the 2nd line, and that the to definition there refers to the right buildN path
== Update verify configs ==
</li><li> rename to mozRelease-firefox-win32-$XXXXXX.cfg
To get setup
</li></ul>
* grab a copy of the configs, either from your tools checkout or directly from hg.m.o ([http://hg.mozilla.org/build/tools/raw-file/default/release/updates/mozRelease-firefox-win32.cfg windows], [http://hg.mozilla.org/build/tools/raw-file/default/release/updates/mozRelease-firefox-mac64.cfg mac])
<p>To modify the configs:
* verify the configs are up to date by checking the current release is referenced in the 2nd line, and that the to definition there refers to the right buildN path
</p>
* rename to mozRelease-firefox-win32-$XXXXXX.cfg
<ul><li> remove all the lines that aren't for $OLDV and the current shipped release
 
</li><li> in $OLDV's full check line
To modify the configs:
<ul><li> add the locales from $OLDV's quick check line
* remove all the lines that aren't for $OLDV and the current shipped release
</li><li> add the patch_types, aus_server, ftp_server, and to definitions from the current release
* in $OLDV's full check line
</li></ul>
** add the locales from $OLDV's quick check line
</li><li> remove the $OLDV quick check comment and config line
** add the patch_types, aus_server, ftp_server, and to definitions from the current release
</li><li> remove current release lines
* remove the $OLDV quick check comment and config line
</li><li> repeat for each platform
* remove current release lines
</li></ul>
* repeat for each platform
<p>Attach the files to the bug as a patch (eg via mq), request review. You'll download it again later using $ZZZZZZ as the attachment id. &lt;a href="https://bug768576.bugzilla.mozilla.org/attachment.cgi?id=637065"&gt;Example config&lt;/a&gt;.
 
</p>
Attach the files to the bug as a patch (eg via mq), request review. You'll download it again later using $ZZZZZZ as the attachment id. [https://bug768576.bugzilla.mozilla.org/attachment.cgi?id=637065 Example config].


= Generate the partials =  
= Generate the partials =  
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