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This doesn't allow all tests to run cleanly, but it at least allows to
write tests which could run successfully in such environments.
Git-Dch: Ignore
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Based on a discussion with Niels Thykier who asked for Contents-all this
implements apt trying for all architecture dependent files to get a file
for the architecture all, which is treated internally now as an official
architecture which is always around (like native). This way arch:all
data can be shared instead of duplicated for each architecture requiring
the user to download the same information again and again.
There is one problem however: In Debian there is already a binary-all/
Packages file, but the binary-any files still include arch:all packages,
so that downloading this file now would be a waste of time, bandwidth
and diskspace. We therefore need a way to decide if it makes sense to
download the all file for Packages in Debian or not. The obvious answer
would be a special flag in the Release file indicating this, which would
need to default to 'no' and every reasonable repository would override
it to 'yes' in a few years time, but the flag would be there "forever".
Looking closer at a Release file we see the field "Architectures", which
doesn't include 'all' at the moment. With the idea outlined above that
'all' is a "proper" architecture now, we interpret this field as being
authoritative in declaring which architectures are supported by this
repository. If it says 'all', apt will try to get all, if not it will be
skipped. This gives us another interesting feature: If I configure a
source to download armel and mips, but it declares it supports only
armel apt will now print a notice saying as much. Previously this was a
very cryptic failure. If on the other hand the repository supports mips,
too, but for some reason doesn't ship mips packages at the moment, this
'missing' file is silently ignored (= that is the same as the repository
including an empty file).
The Architectures field isn't mandatory through, so if it isn't there,
we assume that every architecture is supported by this repository, which
skips the arch:all if not listed in the release file.
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Thanks: Andre Felipe Machado for initial patch
Closes: 414848
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Again, consistency is the main sellingpoint here, but this way it is now
also easier to explain that some files move through different stages and
lines are printed for them hence multiple times: That is a bit hard to
believe if the number is changing all the time, but now that it keeps
consistent.
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All other methods call it, so they should follow along even if the work
they do afterwards is hardly breathtaking and usually results in a
URIDone pretty soon, but the acquire system tells the individual item
about this via a virtual method call, so even through none of our
existing items contains any critical code in these, maybe one day they
might. Consistency at least once…
Which is also why this has a good sideeffect: file: and cdrom: requests
appear now in the 'apt-get update' output. Finally - it never made sense
to hide them for me. Okay, I guess it made before the new hit behavior,
but now that you can actually see the difference in an update it makes
sense to see if a file: repository changed or not as well.
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Its a bit unpredictable which permissons and owners we will encounter on
a CD-ROM (or a USB stick, as apt-cdrom is responsible for those too),
so we have to ensure in this codepath as well that everything is nicely
setup without waiting for a 'apt-get update' to fix up the (potential)
mess.
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We use test{success,failure} now all over the place in the framework, so
its only consequencial to do this in the situations in which we test for
a specific output as well.
Git-Dch: Ignore
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While on linux files are created in /tmp with $USER:$USER, on my
kfreebsd testmachine they are created with $USER:root, so we pull some
strings here to make it work on both.
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We autocreate for a while now the last two directories in /var/lib/apt/lists
(similar for /var/cache/apt/archives) which is very nice for systems having
any of those on tmpfs or other non-persistent storage. This also means
though that this creation is effected by the default umask, so for
people with aggressive umasks like 027 the directories will be created
with 750, which means all non-root users are left out, which is usually
exactly what we want then this umask is set, but the cache and lib
directories contain public knowledge. There isn't any need to protect
them from viewers and they render apt completely useless if not
readable.
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Git-Dch: Ignore
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partial files are chowned by the Item baseclass to let the methods work
with them. Now, this baseclass is also responsible for chowning the
files back to root instead of having various deeper levels do this.
The consequence is that all overloaded Failed() methods now call the
Item::Failed base as their first step. The same is done for Done().
The effect is that even in partial files usually don't belong to
_apt anymore, helping sneakernets and reducing possibilities of a bad
method modifying files not belonging to them.
The change is supported by the framework not only supporting being run
as root, but with proper permission management, too, so that privilege
dropping can be tested with them.
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The acquire code changed completely, so this is more an import of the
testcase and a new fix than the merge of an existent fix.
Conflicts:
apt-pkg/acquire-item.cc
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Regression from merging 801745284905e7962aa77a9f37a6b4e7fcdc19d0 and
b0f4b486e6850c5f98520ccf19da71d0ed748ae4. While fine by itself, merged
the part fixing the filename is skipped if a cdrom source is
encountered, so that our list-cleanup removes what seems to be orphaned
files.
Closes: 765458
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apt-key does the keyring merge as we need it, so we just call it instead
of reimplementing it to do the merging before gpgv. This means we don't
use gpgv anymore (we never depended on it explicitly - bad style), but
it also means that the message in apt-cdrom add is a bit less friendly
as it says loudly "untrusted key", but for a one-time command its okay.
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fixes some messages and their translation so that all of them have three
dots for messages with an elipse. Many translations already had this.
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Git-Dch: Ignore
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Git-Dch: Ignore
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Compressing files in 4 different styles eats test-time for no practical
gain if we don't test them explicitly, so default to just building 'gz'
compressed files as it is the simplest compression algorithm supported
Git-Dch: Ignore
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For many commands the output isn't stable (like then dpkg is called) but
the exitcode is, so this helper enhances the common && msgpass ||
msgfail by generating automatically a msgtest and showing the output of
the command in case of failure instead of discarding it unconditionally,
the later being chronic-like behaviour
Git-Dch: Ignore
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We do the same in the acquire system which handles the 'normal'
downloads, so do it here as well even though its unlikely anyone
will ever notice (beside testcases of course …)
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For testcases it might sometimes be handy to add trap-actions
before the general cleanup, e.g. if it has set directories read-
only which rm doesn't want to remove even with --force applied
(its fine with files though)
Git-Dch: Ignore
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apt-pkg/deb/deblistparser.cc:
- use OpenMaybeClearSignedFile to be free from detecting and
skipping clearsigning metadata in dsc and Release files
We can't write a "clean" file to disk as not all acquire methods copy
Release files before checking them (e.g. cdrom), so this reverts recombining,
but uses the method we use for dsc files also in the two places we
deal with Release files
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- copy only configured translation files from a CD-ROM and not all
available translation files preventing new installs with d-i from
being initialized with all translations (Closes: #678227)
- handle Components in the reduction for the source.list as multi-arch CDs
otherwise create duplicated source entries (e.g. "wheezy main main")
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