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Splits the big loop over dependencies in SmartConfigure which unpacks and
configures dependencies into two loops and reverse their order, so that all
dependencies which need to be unpacked are handled first and only after that
configures are issued for dependencies.
This is needed as otherwise the unpack of a (new) dependency will be issued
in between a configure call for two (or more) packages which form a loop,
which means the configure calls aren't part of the same dpkg call and
therefore dpkg bails out.
Such tight loops should really be avoided as they are usually wrong – and in
reality the dependencies in libreoffice were greatly simplified thanks to
Rene Engelhard so the problem is gone for the benefit of all.
Closes: 707578
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- do not do lock-step configuration for a M-A:same package if it isn't
unpacked yet in SmartConfigure and do not unpack a M-A:same package
again in SmartUnPack if we have already configured it (LP: #1062503)
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and avoid re-unpack otherwise (Closes: #670900)
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- unpack versions in case a different version from the package
is currently in unpack state to recover from broken system states
(like different file in M-A:same package and other dpkg errors)
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- do not segfault if nothing can be configured to statisfy
a pre-depends (e.g. in a pre-depends loop) (Closes: #681958)
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- do not run into loop on new-pre-depends-breaks (Closes: #673536)
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- iterate over all pre-depends or-group member instead of looping
endlessly over the first member in SmartUnpack (LP: #985852)
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- init counter in SmartConfigure so that the loop-breaker isn't
triggered at random… (Closes: #669060)
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message
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ordering code does not get into a endless loop when it flip-flops
between two states
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- recheck all dependencies if we changed a package in SmartConfigure
as this could break an earlier dependency (LP: #940396)
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- fix inconsistent clog/cout usage in the debug output
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* apt-pkg/packagemanager.cc:
- fix bug in predepends handling - ensure that packages that needs
unpackaging are unpacked before they are configured (LP: #927993)
[ Julian Andres Klode ]
* apt-pkg/deb/deblistparser.cc:
- Set the Essential flag on APT instead of only Important
* apt-pkg/packagemanager.cc:
- Do not use immediate configuration for packages with the Important flag
* Treat the Important flag like the Essential flag with those differences:
- No Immediate configuration (see above)
- Not automatically installed during dist-upgrade
- No higher score for installation ordering
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- fix bug in predepends handling - ensure that packages that needs
unpackaging are unpacked before they are configured (LP: #927993)
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- No Immediate configuration (see above)
- Not automatically installed during dist-upgrade
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- Do not use immediate configuration for packages with the Important flag
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initialized in the constructor." messages (no functional change)
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- do not try to a void a breaks if the broken package pre-depends
on the breaker, but let dpkg auto-deconfigure it
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- when calculating pre-dependencies ensure that both unpack and
configure are considered (instead of only configure) LP: #927993
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- ignore breaks on not-installed versions while searching for
breakage loops as we don't have to avoid them
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- return the correct version arch for all+foreign, too
The flag is interpreted at a few other places in different styles so
this commit ensures that the flag check is consistent everywhere
(checking for Same in flag style is a bit too much as it isn't used
in combination with others anyway, but who knows and just for
consistency)
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- do not fail on unpacked packages in SmartUnPack, just don't
shedule them for unpack, but do all checks and configure them
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as tight dependencies between immediate packages better
enabling also the possibility to mark all packages as immediate
(at least Closes: #353290, #540227, #559733, #621836, #639290)
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packages first (LP: #835625)
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- ignore "self"-conflicts for all architectures of a package
instead of just for the architecture of the package locked at
in the ordering of installations too (Closes: #802901)
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SmartConfigure xserver-xorg-video-apm (1:1.2.3-0ubuntu1)
SmartConfigure xserver-xorg-core (2:1.9.0-0ubuntu7.3) <- Loop flag set on xserver-xorg-core
SmartConfigure xserver-xorg (1:7.5+6ubuntu3)
SmartConfigure xserver-xorg-core (2:1.9.0-0ubuntu7.3) (Only Correct Dependancies) <- Loop flag removed prematurely
SmartConfigure libpciaccess0 (0.12.0-1)
SmartConfigure libpixman-1-0 (0.18.4-1)
SmartConfigure xserver-xorg-video-all (1:7.5+6ubuntu3)
SmartConfigure xserver-xorg-video-apm (1:1.2.3-0ubuntu1) (Only Correct Dependancies)
SmartConfigure xserver-xorg-core (2:1.9.0-0ubuntu7.3) <- Incorrectly detects first run as no loop flag
Also applied this fix to the SmartUnpack method.
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resolve dependancies in SmartConfigure) yet Pkg
would not be immediately configured. This was because SmartUnPack still required the immediate flag to be set on Pkg.
Also inproved the debuging adding indented output for SmartUnPack and SmartConfigure and specifying in the output if
SmartConfigure or SmartUnPack was called just to Correct something (PkgLoop = true) or not.
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Now both SmartConfigure and SmartUnPack can be
called mutiple times on the same package, this is to make sure that when loops are broken all packages that are required
are kept in the same dpkg run.
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package to ensure all dependancies are satisfied.
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done on the mirco-optimazation level, so lets fix them:
(performance) Possible inefficient checking for emptiness.
(performance) Prefer prefix ++/-- operators for non-primitive types.
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