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This flag allows to disable version checking in dependency resolving
code.
depcmp_tolerant respects the NODEPVERSION flag but we still keep the
original strict depcmp. The idea is to reduce the impact of the
NODEPVERSION flag by using it in fewer places.
I replaced almost all depcmp calls by depcmp_tolerant in deps.c (except
in the public find_satisfier used by deptest / pacman -T), but I kept
depcmp in sync.c and conflict.c
Signed-off-by: Xavier Chantry <chantry.xavier@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This is a public interface for resolvedep. It looks nicer to expose it
this way rather than through sync_target.
This function can also be helpful for external tools as it should give
good results close to how pacman select a package for satisfying a given
dep.
Signed-off-by: Xavier Chantry <chantry.xavier@gmail.com>
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If there are multiple providers in one db, pacman used to just stop at
the first one (both during dependency resolution or for pacman -S
'provision' which uses the same code).
This adds a new conversation callback so that the user can choose which
provider to install. By default (user press enter or --noconfirm), the
first provider is still chosen, so for example the behavior of sync402
and 403 is preserved. But at least the user now has the possibility to
make the right choice in a manual run.
If one of the provider is already installed, it is picked for
reinstall/upgrade, so that provision 002/003 pactest now pass.
$ pacman -S community/smtp-server
:: There are 3 providers available for smtp-server:
1) courier-mta 2) esmtp 3) exim
Which one do you want to install?
Enter a number (default=1):
Signed-off-by: Xavier Chantry <chantry.xavier@gmail.com>
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Remove the need for an unconditional string duplication by using pointer
arithmetic instead, and strndup() instead of an unspecified-length strdup().
This should reduce memory churn a fair amount as this is called pretty
frequently during database loads.
Signed-off-by: Dan McGee <dan@archlinux.org>
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None of these warn at the normal "-Wall -Werror" level, but casts do occur
that we are fine with. Make them explicit to silence some warnings when
using "-Wconversion".
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Just like we did for package name comparsions, if we add a depend name_hash
field on depend struct initialization, we can use it instead of doing a
string name comparison, saving us a lot of checks in the depcmp code.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Noticed when tweaking testdb, when we run _alpm_depcmp in loops and call it
seven million times, the strdup()/free() combo can add up. Remove the need
for any string duplication by some pointer manipulation and use of strncmp
instead of strcmp. Also kill the function logger and add an escape so we
don't needlessly retrieve the list of provides.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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Either we expose all low levels function dealing with pmdepend_t
(splitdep and depfree come to mind), or we don't.
Since none of the tools use depcmp, I chose to remove it. In the future,
we might want to expose higher level functions such as
alpm_find_satisfier, or just lower level functions like splitdep and
depfree together with depcmp.
Signed-off-by: Xavier Chantry <chantry.xavier@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This has been replaced by the more flexible alpm_find_satisfier
function, and alpm_deptest was completely unsused now.
Signed-off-by: Xavier Chantry <chantry.xavier@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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whatprovides and splitdep were removed, so depcmp alone is quite useless
now without splitdep, and deptest is not flexible enough.
Introduce a new alpm_find_satisfier which is hopefully more flexible,
this should make implementation of deptest very easy, and also help alpm
tools such as pactree.
Signed-off-by: Xavier Chantry <chantry.xavier@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Cache bullshit only has relevance to be_files, so move it there.
Signed-off-by: Dan McGee <dan@archlinux.org>
[Allan: BIG rebase]
Signed-off-by: Allan McRae <allan@archlinux.org>
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Follow the HACKING guidelines and always use != 0 or == 0 rather
than negation within conditional statements to improve clarity.
Most of these are !strcmp usages which is the example of what not
to do in the HACKING document.
Signed-off-by: Allan McRae <allan@archlinux.org>
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This patch fixes the phonon/qt issue, if all to-be-upgraded packages are
explicit targets (ie. only not-yet-installed packages are pulled by
resolvedeps). This condition covers the most common situations, for example
it should hold with every -Su operation.
After this patch sync405.py passes, but sync406.py doesn't.
The work is inspired by the patch of Henning Garus, thanks for his work:
http://mailman.archlinux.org/pipermail/pacman-dev/2010-February/010429.html
(I moved the alpm_list_diff computation to sync.c in order to compute it
only once.)
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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This patch utilizes the power of sync.c to fix FS#3492 and FS#5798.
Now an upgrade transaction is just a sync transaction internally (in alpm),
so all sync features are available with -U as well:
* conflict resolving
* sync dependencies from sync repos
* remove unresolvable targets
See http://www.archlinux.org/pipermail/pacman-dev/2009-June/008725.html
for the concept.
We use "mixed" target list, where PKG_FROM_FILE origin indicates local
package file, PKG_FROM_CACHE indicates sync package. The front-end can add
only one type of packages (depending on transaction type) atm, but if alpm
resolves dependencies for -U, we may get a real mixed trans->packages list.
_alpm_pkg_free_trans() was modified so that it can handle both target types
_alpm_add_prepare() was removed, we use _alpm_sync_prepare() instead
_alpm_add_commit() was renamed to _alpm_upgrade_targets()
sync.c (and deps.c) was modified slightly to handle mixed target lists,
the modifications are straightforward. There is one notable change here: We
don't create new upgrade trans in sync.c, we replace the pkgcache entries
with the loaded package files in the target list (this is a bit hackish) and
call _alpm_upgrade_targets(). This implies a TODO (pkg->origin_data.db is
not accessible anymore), but it doesn't hurt anything with pacman front-end,
so it will be fixed later (otherwise this patch would be huge).
I updated the documentation of -U and I added a new pactest, upgrade090.py,
to test the syncdeps feature of -U.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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This fixes a bug introduced by my previous changes which changes the
behavior of IgnorePkg/IgnoreGroup to allow the user to remove unresolvable
packages from the transaction. The bug is that the target-list was no
longer being consulted first to resolve dependencies, which means that if
two packages in the sync database satisfied a dependency, and the user
explicitly requested one of those two packages in the sync, the other
package was still being pulled in.
A new test was added, sync993.py, to verify the desired behavior.
Signed-off-by: Bryan Ischo <bji-keyword-pacman.3644cb@www.ischo.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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without QUESTION
After commit f57f8d33862050acc8d131710c100ba47877e675 pacman *silently*
ignores packages from IgnorePkg/IgnoreGroup during dependency resolving,
if prompt == 0. This behavior is changed to "give warning + ignore".
(Otherwise the user is not informed about the fact that the package
resolving was blocked by ignorepkg.)
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This patch fixes FS#12059.
Now sync_addtarget can return with PM_ERR_PKG_IGNORED, which indicates that
although the requested package was found it is in ignorepkg, so alpm could
not add it to the transaction. So the front-end can decide what to do.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Don't prompt the user for unignore of IgnorePkg/IgnoreGroup packages,
except for packages explicitly listed for sync by the user. This
eliminates many unnecessary prompts when IgnorePkg/IgnoreGroup is
used.
Signed-off-by: Bryan Ischo <bryan@ischo.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Enabled a new prompt to ask the user if they'd like to remove
unresolvable packages from the transaction rather than failing it.
Many pactest tests that used to fail now return success codes, because
pacman now issues a prompt allowing the user to cancel rather than
failing many transactions, and the pactest scripts always choose to
cancel with no error rather than failing. The only net effect is that
the return status of pacman is now 0 in cases where it used to be
nonzero.
Signed-off-by: Bryan Ischo <bryan@ischo.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This change reorganizes the internal code so that packages are
resolved one at a time instead of all at once from a list. This will
allow a future checkin to prompt the user to see if they'd rather
remove unresolvable packages from the transaction and continue, or
fail the transaction. This change does not affect the actual behavior
of libalpm and all tests pass without changes.
Signed-off-by: Bryan Ischo <bryan@ischo.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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alpm_dep_compute_string
This patch introduces the following function name convention:
_compute_ in function name: the return value must be freed.
_get_ in function name: the return value must not be freed.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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These two functions now take directly a package list rather than a database.
checkdbconflicts was renamed to checkconflicts.
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
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Our STRDUP macro (used in _alpm_depmiss_new) is NULL safe.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Now '-S provision' handling is done in the back-end.
In case of multiple providers, the first one is selected (behavior change:
deleted provision002.py). The old processing order was: literal, group,
provision; the new one: literal, provision, group. This is more rational,
but "pacman -S group" will be slower now. "pacman -S repo/provision" also
works. Provision was generalized to dependencies, so you can resolve deps by
hand: "pacman -S 'bash>2.0'" or "pacman -S 'core/bash>2.0'" etc. This can be
useful in makepkg dependency resolving. The changes were documented in
pacman manual.
alpm_find_pkg_satisfiers and _alpm_find_dep_satisfiers functions were
removed, since they are no longer needed.
I added some verbosity to "select provider instead of literal" and
"fallback to group".
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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I divided resolvedeps into 2 functions. The new _alpm_resolvedep function
will resolve one dependency, for example the 'foo>=1.0-1' dependency. It
can be useful in sync_addtarget refactoring.
The resolvedeps parameters were changed, to be coherent with recursedeps:
* the target-list is an alpm_list* instead of alpm_list**. This is OK,
because alpm_list_add == alpm_list_add_last
* syncpkg param was removed. list contains the to-be-installed packages,
resolvedeps will add the required dependencies into this list
* trans param was removed, it was used in QUESTION() only, which can be used
on the main (handle->trans) transaction only (because the front-end cannot
access our pseudo-transactions at all!).
The patch fixes some wrong dynamic pmdepmissing_t usage.
I did a behavior change (and sync1003.py was modified accordingly), which
needs some explanation: The old resolvedeps didn't elect packages from
'remove' list. I've dropped this because I don't want that 2nd excluding
list param. In fact, in real life, we ~never need this rule. Resolvedeps is
called before checkconflicts, so only -Su's %REPLACES% packages are sitting
in 'remove' list. This means, that we have the replacement packages in our
target list. Usually "foo replaces bar" means, that bar isn't in our repos
any more, so resolvedeps *cannot* elect it; but usually it won't try it at
all, because foo is in the target list, and it is expected to satisfy
'bar>=1.0-1'-like dependencies too. Since checkdeps and checkconflicts is
done after resolvedeps, this cannot cause any harm.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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PM_TRANS_CONV_INSTALL_IGNOREPKG callback function can get 2 params: foo, bar
in this order (packages), bar can be NULL.
Old API:
foo, NULL: Do you want to install foo from IgnorePkg?
foo, bar: foo requires bar from IgnorePkg. Do you want to install bar?
New API:
foo, bar: Do you want to install foo from IgnorePkg? (If bar!=NULL:) bar
requires it.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This function finds the first satisfier package in a pkglist. Using it
instead of _alpm_find_dep_satisfiers eliminates some memleaks and it is
faster. (_alpm_find_dep_satisfiers and _alpm_find_pkg_satisfiers will be
removed soon.)
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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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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Actually, just rename _alpm_versioncmp to alpm_pkg_vercmp and get rid of the
need for a wrapper since it did nothing anyway.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Any real call of this function doesn't specify a name or version ahead of
time, so just kill that functionality off. Now to remove those dummy
packages...
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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Now the syntax is coherent with alpm_list_find and alpm_sync_find.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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In the can_remove_package function, we don't need to compute the whole
requiredby list, we just need to find one member of it that doesn't belong
to the targets list.
That way we get a small speedup and remove the only usage of
alpm_pkg_compute_requiredby in the backend, so that it can be tweaked for
frontend usage.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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This patch should avoid duplicated target names in the backend.
1. sync_loadtarget will return with PM_ERR_TRANS_DUP_TARGET when trying to
add a duplicated target
2. sysupgrade never pulls duplicated targets
3. resolvedeps won't pull duplicated targets anymore
A pulled list was introduced in sync_prepare to improve the
pmsyncpkg_t<->pmpkg_t list conversion by making it more direct.
Also replace sync1005 and sync1006 by the sync1008 pactest, which is
similar but more interesting (the provisions are dependencies instead of
explicit targets).
sync1005 didn't work as expected anyway. It was expecting that pacman
failed, and pacman indeed failed, but not for the good reason. It didn't
fail during the preparation step because of conflicting targets, but during
the commit step, because of a md5 error...
And sync1006 didn't pass and was not really worth fixing. We have already
enough failing pactests more important than these two.
sync1008 pass with this patch.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
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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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Conflicts:
configure.ac
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This comment was created for the old provision version format and needless.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
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 mixup causes a fail in the build using --enable-debug on x86_64 but not
i686, so none of us caught this right away. Fix it. FS#9297.
Signed-off-by: Dan McGee <dan@archlinux.org>
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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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Change the 'provname provver' format to 'provname=provver'.
In .PKGINFO, the provisions are copied from the PKGBUILD without quotes. So
the provision version was actually handled as a different provision...
See FS#9171.
Dan: Unfortunately we have to change our original specification for
versioned provisions with this patch, but it ends up being the simpler and
cleaner solution in the long run, and if there is any time to change it the
time is now before many packages have been built. Keeping the ' ' based
format would have required us to do special parsing in repo-add, as well as
being susceptible to users not using quotes in their provides array.
Hopefully this will resolve the issues we had with our initial plan. Sorry
for the confusion.
Acked-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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In the old code 'alpm_list_diff(_alpm_db_get_pkgcache(db), dblist,
_alpm_pkg_cmp);' was slow.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
[Xav: In my opinion, computing both dblist and modified in one for loop also makes
the code clearer, besides being more efficient.
Also renamed joined to targets since I also find that clearer.]
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
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