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The function is introduced to kill some code duplication. The function name
uses the 'dependency graph' terminology.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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* remove obsolete and unused *_cmp helper functions like deppkg_cmp and
_alpm_grp_cmp
* new alpm_list_remove_str function, used 6 times in handle.c
* remove _alpm_prov_cmp / _alpm_db_whatprovides and replace them by
a more general alpm_find_pkg_satisfiers with a cleaner implementation.
before: alpm_db_whatprovides(db, targ)
after: alpm_find_pkg_satisfiers(alpm_db_getpkgcache(db), targ)
* remove satisfycmp and replace alpm_list_find + satisfycmp usage by
_alpm_find_dep_satisfiers.
before : alpm_list_find(_alpm_db_get_pkgcache(db), dep, satisfycmp)
after : _alpm_find_dep_satisfiers(_alpm_db_get_pkgcache(db), dep)
* remove _alpm_pkgname_pkg_cmp, which was used with alpm_list_remove, and
use _alpm_pkg_find + alpm_list_remove with _alpm_pkg_cmp instead.
This commit actually get rids of all complicated and asymmetric _cmp
functions. I first thought these functions were worth it, be caused it
allowed us to reuse list_find and list_remove. But this was at the detriment
of the clarity and also the ease of use of these functions, dangerous
because of their asymmetricity.
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This was totally useless.
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This will allow us to utilize this helpful type and functions in places
besides dependency calculations. In addition, remove the public declaration
of pmgraph_t in alpm.h- there is zero need to expose this internal type.
Signed-off-by: Dan McGee <dan@archlinux.org>
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With --unneeded option 'pacman -R' doesn't stop in case of dependency error;
it removes the needed-dependency targets from the target-list instead. See
also: http://archlinux.org/pipermail/pacman-dev/2007-October/009653.html .
The patch also adds a new causingpkg field to pmdepmissing_t which indicates
the to-be-removed package which would cause a dependency break. This is
needed, because miss->depend.name may be a provision. miss->causingpkg will
be useful in -R dependency error messages too.
[Xavier: renamed inducer to causingpkg, removed the _alpm_pkgname_pkg_cmp
helper function as requested by Aaron. This might be added by a further
commit. Other small cleanups, updated manpage and bash completion.]
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
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The deptest code (pacman -T) used by makepkg was mostly in the frontend.
There were 2 drawbacks:
1) the public splitdep function returns a pmdepend_t struct, but the
_alpm_dep_free function for freeing it is private. So there was a memleak.
2) there is a helper in the backend (satisfycmp in deps.c) which makes this
function much easier.
So this adds a new public alpm_deptest in libalpm/deps.c, which cleans
pacman_deptest in pacman/deptest.c a lot.
Besides, alpm_splitdep was made private, because the frontend no longer
requires it, and _alpm_dep_free is also private.
Finally the deptest001 pactest was extended.
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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We didn't have a free function before, causing some memory leaks. We also
need a dup function now that strings are not in the structure but are
dynamically allocated.
Also adapt pmdepmissing_t to use a pointer to a depend struct instead of an
inclusive one so we can use the functions we created here.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This also affects all structures with static strings, such as depmiss,
conflict, etc. This should help a lot with memory usage, and hopefully make
things a bit more "idiot proof".
Currently our pactest pass/fail rate is identical before and after this
patch. This is not to say it is a perfect patch- I have yet to pull valgrind
out. However, this should be quite safe to use in all situations from here
on out, and we can start plugging the memleaks.
Original-work-by: Aaron Griffin <aaronmgriffin@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Update the GPL boilerplate to direct people to the GNU website for a copy of
the license, as well as bump all of Judd's copyrights to 2007.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This is unneeded now that commit 2ed6b482d2fce916466e44e37930f0b0c0d928bb
has eliminated the last user of this function.
Signed-off-by: Dan McGee <dan@archlinux.org>
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checkdeps and resolvedeps now take both a remove list and an install list as
arguments, allowing dependencies to be calculated correctly.
This broke the sync990 pactest, but this pactest used dependencies and
provides in an unusual way, so it has been changed.
Dan: the sync990 pactest was just plain wrong. It didn't satisfy the
dependencies correctly, so should never have succeeded.
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
[Dan: some variable renaming, clarification in commit message]
Signed-off-by: Dan McGee <dan@archlinux.org>
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pmdepmissing_t was used for two totally different things :
missing dependencies, and dependency conflicts.
So this patch simply adds a type for dep conflicts,
and convert the code to use it.
This fix the TODO in conflict.c :
/* TODO WTF is a 'depmissing' doing indicating a conflict? */
Additionally, the code in conflict.c now eliminates the duplicated conflicts.
If pkg1 conflicts with pkg2, and pkg2 conflicts with pkg1, only one of them will be stored.
However the conflict handling in sync_prepare (sync.c) is still very asymetrical, and very ugly too.
This should be improved in the future (there is already a pending patch from Nagy that cleans it a lot).
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
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Run the kernel's cleanfile script on all of our source files.
Signed-off-by: Dan McGee <dan@archlinux.org>
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It's time to define that alpm_list_add(list, foo) adds 'foo' to the end of
'list' and returns with 'list', because:
1. list is a list, not a set.
2. sortbydeps _needs_ an alpm_list_add definition to work properly.
As a first step, I used this definition in recursedeps.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
[Dan: punctuation cleanup in commit message and code comments, added comment
to alpm_list_add]
Signed-off-by: Dan McGee <dan@archlinux.org>
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The resolvedeps function was a bit negligent, as showed by the sync011 pactest.
Reference :
http://www.archlinux.org/pipermail/pacman-dev/2007-July/008782.html
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
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Patch from Nagy that makes removedeps use alpm_depcmp.
I also renamed removedeps to recursedeps, as it can have
a more general usage, and added an include_explicit argument,
so we can control if packages explictly installed are added or not.
Note: Small changes made by me (Dan) as well- mostly some English grammar
correction and a few other cleanups.
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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The trans parameter was never used, so remove it.
Signed-off-by: Nagy Gabor <ngaba@petra.hos.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Based on the "depth first search" algorithm, for more infos visit:
http://en.wikipedia.org/wiki/Topological_sorting
The previous algorithm used by sortbydeps was too slow, and to work around
it the number of steps needed to get correct result was reduced greatly.
So it produced wrong results in several cases :
1) smoke001.py
2) http://bugs.archlinux.org/task/7229
More here: http://archlinux.org/pipermail/pacman-dev/2007-April/008057.html
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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expose alpm_splitdep and alpm_depcmp as public symbols
* Removed a duplicate strtrim for question responses
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it. Eventually we'll make progress.
* Rewrote the _alpm_splitdep function to behave more like all our other
function calls. Use heap instead of stack allocation for the depend struct,
so now it needs to be freed by the caller.
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* Removed the dep-sorting TODO item - switch the sorting to a topological sort
later (I'll let Dan do the CS stuff, heh)
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optimizations in order to make the code much more readable and
type-checkable. Every enum in the library now has it's own type that
should be used instead of the generic 'unsigned char'. In addition,
several #define statements dealing with constants were converted to
enums.
Signed-off-by: Dan McGee <dpmcgee@gmail.com>
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* renamed pmlist_t -> alpm_list_t
* made alpm_list_t a public type (alpm_list.h header)
* removed additional storage for registered DBs in pacman source
* some code cleanup
* removed duplicate (pm)list_display functions from pacman source
* misc code cleanup
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* Modified some dependancy checking
* Changed "performing local database upgrade" message to be more clear
* Change 'usize' to 'isize' in database files
* Scriptlet output is now sent to pacman's log file
* Limited some debugging output to be more clear
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(no PKGBUILD)
* libalpm api changes - move from a _getinfo(p, WHAT_WE_WANT) scheme to a
typesafe _get_what_we_want(p) scheme [not 100% complete yet]
* some const correctness changes
* removal of PM_* types in alpm.h in favor of the pm*_t types used throughout
libalpm
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* Removed the PMList typedef, in favor of the same naming scheme other
structs use 'pmlist_t'
* Added a time stamp on debug output, to make it more informational
* Moved alpm_db_register to _alpm_db_register, making the public function
not take a callback parameter
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handling changes (support [sections] to carry over to included files - this
helps with backwards compatibility with existing pacman config files)
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VMiklos <vmiklos@frugalware.org>)
added log and event callbacks to sync_commit internal transactions
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- list_remove, list_check and list_reverse
- sortbydeps(mode)
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