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dev-manual, ref-manual: Cross-references between PR Service and cache 

Fixes YOCTO #3684

These changes help tie in the relationship between how the OE
build system uses checksums and such and the PR Service that
can track revision.

(From yocto-docs rev: 39a3010a3bb4b2c1d37aef60984ac16e85b56aac)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Scott Rifenbark 2013-02-12 10:09:29 -06:00 committed by Richard Purdie
parent ee180d1475
commit a005cdaaed
2 changed files with 19 additions and 3 deletions
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10
documentation/dev-manual/dev-manual-common-tasks.xml
View File

@ -2040,7 +2040,8 @@
</para>
<para>
Because the OpenEmbedded build system uses "signatures",
Because the OpenEmbedded build system uses
"<ulink url='&YOCTO_DOCS_REF_URL;#checksums'>signatures</ulink>",
which are unique to a given build, the build system
knows when to rebuild packages.
All the inputs into a given task are represented by a
@ -2128,7 +2129,7 @@
</para>
<note>
The OpenEmbedded build system does not maintain
<para>The OpenEmbedded build system does not maintain
<filename>PR</filename> information as part of the
shared state (sstate) packages.
If you maintain an sstate feed, its expected that either
@ -2136,7 +2137,10 @@
feed use a shared PR Service, or you do not run a PR
Service on any of your building systems.
Having some systems use a PR Service while others do
not leads to obvious problems.
not leads to obvious problems.</para>
<para>For more information on shared state, see the
"<ulink url='&YOCTO_DOCS_REF_URL;#shared-state-cache'>Shared State Cache</ulink>"
section in the Yocto Project Reference Manual.</para>
</note>
</section>

12
documentation/ref-manual/technical-details.xml
View File

@ -194,6 +194,18 @@
install them if they are deemed to be valid.
</para>
<note>
The OpenEmbedded build system does not maintain
<link linkend='var-PR'><filename>PR</filename></link> information
as part of the Shared State packages.
Consequently, considerations exist that affect maintaining shared
state feeds.
For information on how the OpenEmbedded works with packages and can
track incrementing <filename>PR</filename> information, see the
"<ulink url='&YOCTO_DOCS_DEV_URL;#incrementing-a-package-revision-number'>Incrementing a Package Revision Number</ulink>"
section.
</note>
<para>
The rest of this section goes into detail about the overall incremental build
architecture, the checksums (signatures), shared state, and some tips and tricks.