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<title>apt/doc/external-dependency-solver-protocol.txt, branch 1.3_exp3</title>
<subtitle>Debians commandline package manager</subtitle>
<id>https://git.kalnischkies.de/apt/atom?h=1.3_exp3</id>
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<updated>2016-06-08T15:27:19Z</updated>
<entry>
<title>edsp: drop privileges before executing solvers</title>
<updated>2016-06-08T15:27:19Z</updated>
<author>
<name>David Kalnischkies</name>
<email>david@kalnischkies.de</email>
</author>
<published>2016-06-08T11:44:29Z</published>
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<id>urn:sha1:007d8b488787f4c33ced5937f22f99f1b759088a</id>
<content type='text'>
Most (if not all) solvers should be able to run perfectly fine without
root privileges as they get the entire state they are supposed to work
on via stdin and do not perform any action directly, but just pass
suggestions on via stdout.

The new default is to run them all as _apt hence, but each solver can
configure another user if it chooses/must. The security benefits are
minimal at best, but it helps preventing silly mistakes (see
35f3ed061f10a25a3fb28bc988fddbb976344c4d) and that is always good.

Note that our 'apt' and 'dump' solver already dropped privileges if they
had them.
</content>
</entry>
<entry>
<title>edsp: add Forbid-{New-Install,Remove} and Upgrade-All</title>
<updated>2016-05-20T12:18:36Z</updated>
<author>
<name>David Kalnischkies</name>
<email>david@kalnischkies.de</email>
</author>
<published>2016-05-06T12:21:02Z</published>
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<id>urn:sha1:43c71fad3a51d841132ba15a7a5930e1ee4126ed</id>
<content type='text'>
This allows to differentiate properly between 'apt-get upgrade', 'apt
upgrade' and 'apt full-upgrade'.
</content>
</entry>
<entry>
<title>edsp: warn if unexpected stanzas appear in the solution</title>
<updated>2016-05-12T14:21:10Z</updated>
<author>
<name>David Kalnischkies</name>
<email>david@kalnischkies.de</email>
</author>
<published>2016-05-12T14:21:10Z</published>
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<id>urn:sha1:90e7fba4ac16fc764bf6aac7b59c17c3be551b60</id>
<content type='text'>
Unexpected are for examples removal requests for versions which aren't
installed, installations of already installed versions &amp; requests to
install and remove a package at the same time.
</content>
</entry>
<entry>
<title>edsp: document unique package identifiers</title>
<updated>2016-05-12T12:52:29Z</updated>
<author>
<name>Johannes 'josch' Schauer</name>
<email>josch@mister-muffin.de</email>
</author>
<published>2016-05-12T11:07:59Z</published>
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<id>urn:sha1:d67db03c2ab853eba7b67c8870af41796eea387c</id>
<content type='text'>
Document that package identifiers must be unique (apt only uses the last
action for a given identifier) and that install requests do also imply
upgrades and downgrades (and thus removal of the old version). This is
to prevent that solvers express an upgrade or downgrade instruction as
two stanzas: a removal of the old version and an installation of the new
version. Instead, a single install stanza is sufficient to express
upgrade or downgrade requests.
</content>
</entry>
<entry>
<title>edsp: support generic and solver-specific configs</title>
<updated>2016-05-10T20:48:31Z</updated>
<author>
<name>David Kalnischkies</name>
<email>david@kalnischkies.de</email>
</author>
<published>2016-05-10T20:48:31Z</published>
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<id>urn:sha1:eb1000f6e5fa7035c764d0e7aa9ca71c7aa8d52d</id>
<content type='text'>
The spec was slightly inconsistent if the preferences setting is
available only as generic or specific setting &amp; the code only supported
the specific one, while for the strict-pinning was only generic…

As the usual pattern for apt is to have both options we adapt the spec
and code to support both as well.

This also adds a purely informal "Solver" field so in case the request
is saved in a file, we know to which solver the sent preferences apply.

Closes: 823918
</content>
</entry>
<entry>
<title>add Source-Version field for EDSP</title>
<updated>2015-09-14T13:22:18Z</updated>
<author>
<name>David Kalnischkies</name>
<email>david@kalnischkies.de</email>
</author>
<published>2015-09-07T13:05:00Z</published>
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<id>urn:sha1:eed4639e3feea0dd4ebedfac95fb5428753b795f</id>
<content type='text'>
The syntax of "Source" is different in EDSP compared to the the field of
the same name in 'the rest' of Debian, so documented this accordingly
and send the version as a new field.
</content>
</entry>
<entry>
<title>EDSP doc: some typo and wording fixes</title>
<updated>2014-06-18T09:17:18Z</updated>
<author>
<name>David Kalnischkies</name>
<email>david@kalnischkies.de</email>
</author>
<published>2014-06-17T17:25:03Z</published>
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<id>urn:sha1:82ced5c894cd013721f432ae8da66114155e04c7</id>
<content type='text'>
Git-Dch: Ignore
</content>
</entry>
<entry>
<title>EDSP doc: (minor) consistently use 2 blank lines before headings</title>
<updated>2014-06-18T09:17:18Z</updated>
<author>
<name>Stefano Zacchiroli</name>
<email>zack@debian.org</email>
</author>
<published>2014-06-17T15:04:09Z</published>
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<id>urn:sha1:22c3ac52252b6eafe0d31485b18730cfb53a8dc3</id>
<content type='text'>
Git-Dch: Ignore
</content>
</entry>
<entry>
<title>EDSP doc: clarify that Install/Remove packages are arch-qualified</title>
<updated>2014-06-18T09:17:18Z</updated>
<author>
<name>Stefano Zacchiroli</name>
<email>zack@debian.org</email>
</author>
<published>2014-06-17T15:03:27Z</published>
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<id>urn:sha1:4010ee76cb1a771d57f1339df725e962df23900e</id>
<content type='text'>
</content>
</entry>
<entry>
<title>EDSP: add APT-Release field to Package stanzas</title>
<updated>2014-05-04T16:27:10Z</updated>
<author>
<name>Stefano Zacchiroli</name>
<email>zack@debian.org</email>
</author>
<published>2013-09-05T08:54:12Z</published>
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<id>urn:sha1:b5ea5d4a5b8f82afb7bbe4c3eee07ae36f2fba9c</id>
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