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It is faster to just scan the cache directory for existing packages
at startup than trying to faccessat() them on demand. It also makes
quite a few parts of the code more readable and simpler.
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* solver internally calculates now using tags; not repository masks
* installeddb now contains the tag name where the package came from
-> we can now handle upgrades properly
* the pinning is still a preference, and not strictly enforced;
versioned dependencies may overrule preference
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* default writing the world with spaces if a space is found
(for backwards compatibility) for now
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Improves /etc/apk/repositories format so you can say:
http://nl.alpinelinux.org/alpine/v2.3/main
@edge http://nl.alpinelinux.org/alpine/edge/main
@testing http://nl.alpinelinux.org/alpine/edge/testing
After which you can pin dependencies to these tags using:
apk add stableapp newapp@edge bleedingapp@testing
Apk will now by default only use the untagged repositories,
but adding a tag to specific dependency:
1. will prefer that tag for the name
2. allowing pulling in dependencies from that tag (though,
it prefers untagged packages to satisfy deps if possible)
fixes #575
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One can now say in dependency "!foo<2" which means, that if foo is
installed, it needs to be >=2, but it's not a required dependency.
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If two packages replace each other, the one with highes priority
will keep the file. Additionally, if we have a package overriding
another's file it's remembered and handled properly. This is
essentially to allow "policy packages" which just overwrite certain
(configuration) files from other package(s).
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"replaces" is now turned to a full dependency type list, so you can
make package overwrite files only certain versions of the package
(though, we should probably take this into account already at solution
calculation phase).
Also make 'info --replaces' print the "replaces" of the package.
This is in preparation for the policy package support, which still
requires "replacement priority" field to decide which packages' files
get the preference.
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the only bit of information needed in solver commit is the "hard"
topology sorting information for trigger ordering. fixes a bug in
"apk del" which uses the state pointers to do intermediate
calculations between solution solving and commit.
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this allows quite some optimizations to running time and memory
requirements.
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* basic code for a backtracking, forward checking dependency satisfier
* works better when there are tricky dependencies to solve
(when can't just upgrade everything to most preferred versions)
* the new code always evaluates all of 'world' constraints
(old code just does incremental updates based on heuristics)
* is probably somewhat slower than old code (probably unnoticeable
difference in most cases)
* makes easier to write support for provides and repository pinning
* test applet and a bunch of test cases added which uses the new code
* from the old feature set install_if is not yet implemented
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Parse these fields from .PKGINFO, and write them to index.
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Parse install_if from package metadata and include it in the
indexes. Also setup the reverse install_if dependencies when
loading a database. ref #443.
Actual install_if functionality is not yet implemented.
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Just disable installation of packages using the new stuff. Also
flag lower case package info fields as non-critical and allow
installation even if that features is not supported.
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When package is installed from commandline, we should always
install that specific instance of package (never favor repository
version if it has difference identity). Otherwise we might not
always end-up installing the .apk given on command line. The
dependency is now against specific checksum identity (marked
with >< dependency comparison). Fixes #492.
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It's no longer needed or used.
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- implement a hash table for commonly shared fields such as
license, version and architecture
- use macroes to print blobs or pkgname-pkgver strings
- fix some old cruft
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Architecture is now:
- parsed from .PKGINFO
- written to index and installed db
- appended to repository URL when fetching files
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Otherwise we end up using wrong uid/gid mappings when doing install
to alternate system root. Fixes #434.
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Print more information why installation changeset calculation failed.
Fixes #187.
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this makes the database package entry smaller, and we propbably
get more fields to installed_package later too. this cleans up
the way scripts are stored and is a preparation for supporting
triggers. some parsing for trigger meta-data. ref #45.
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it will allow to overwrite files owned by some other packages
to get upgrades right (e.g. when splitting or renaming packages)
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this way we never change cwd, and relative filenames are always
parsed consistently. this also helps filename construction in many
places. this patch also changes '--root' to override location of
all configuration to be in the new root. previously it depended
on the file which one was used.
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fixes verification of non-repository packages while installing
them. this is final thing needed for full signing support
(fixes #46).
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- error codes for verification failure types
- fix some fdb corruption on file migration
- combine some dependency parsing code
- fix versioned dependencies
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prefer index in the new format as signed .tar.gz.
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speeds up digest calculation on some cases.
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an utility to check package signature and integrity.
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change the index generation to do old index, or the new style index
where package identity is sha1 of control block and it's contained
within an .tar.gz to allow signing in future.
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this also convers scripts file to a tar archive.
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make apk_version_compare() take strings rather than blobs
add apk_pkgversion_compare(), a wrapper that takes packages
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Support version numbers specified with packages. For example:
apk add 'busybox<1.14'
apk add 'squid=>3.0'
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Calculate changesets directly by stabilizating the package graph instead of
recalculating the whole graph and then diffing (similar approach as seen
in 'smart' package manager). The algorithm is not complete: defferred
search space forking is missing. So you don't always get a solution on
complex graphs.
Benefits:
- usually the search state tree is smaller (less memory used)
- speed relational to changeset size, not database size (usually faster)
- touch only packages related to users request (can work on partitially
broken state; upgrades only necessary packages, fixes #7)
Also implemented:
- command prompt to confirm operation if packages are deleted or downgraded
- requesting deletion of package suggests removal of all packages depending
on the package being removed (you'll get list of packages that also get
removed if you want package X removed)
- option --simulate to see what would have been done (mainly for testing)
- an untested implementation of versioned dependencies and conflicts
A lot has changed, so expect new bugs too.
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So we don't get artificial limits on the amount of dependencies
(fixes #8).
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Make the db of installed packages more similar to index file and
reuse the code. Also rename the database file.
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other stuff.
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