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For a package to be loaded from any of our backends, these two fields
are always required upfront. Due to this fact, we don't need them to be
backend-specific operations and can just refer to the field directly.
Additionally, our static (and thus private) cache package accessors had
a NULL check on pkg before returning the relevant field. Eliminate this
since they only way they are ever called is via the packages attached
callback struct, which would have caused the NULL pointer dereference in
the first place.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Conflicts:
lib/libalpm/be_sync.c
lib/libalpm/db.c
src/pacman/util.c
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So we don't segfault when calling this on be_sync loaded packages. They
return logical values as much as possible for indicating there is no
changelog available.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Conflicts:
lib/libalpm/deps.c
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And move the sort after the final loop; we don't need to sort once for
each database we look at.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Add a new field to the package struct to hold PGP information and
instruct db_read to pick it up from the database. It is currently unused
internally but this is the first step.
Due to the fact that we store the PGP sig as binary data, we need to store
both the data and the length so we have a small utility struct to assist us.
Signed-off-by: Dan McGee <dan@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Conflicts due to change in return calling style.
Conflicts:
src/pacman/pacman.c
src/pacman/sync.c
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Another fix found by Coccinelle example semantic patches.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This was discussed and more or less agreed upon on the mailing list. A
huge checkin, but if we just do it and let people adjust the pain will
end soon enough. Rebasing should be relatively straighforward for anyone
that sees conflicts; just be sure you use the new return style if
possible.
The following semantic patch was used to do the change, along with some
hand-massaging in order to preserve parenthesis where appropriate:
The semantic match that finds this problem is as follows, although some
hand-massaging was done in order to keep parenthesis where appropriate:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression a;
@@
- return(a);
+ return a;
// </smpl>
A macros_file was also provided with the following content:
Additional steps taken, mainly for ASSERT() macros:
$ sed -i -e 's#return(NULL)#return NULL#' lib/libalpm/*.c
$ sed -i -e 's#return(-1)#return -1#' lib/libalpm/*.c
Signed-off-by: Dan McGee <dan@archlinux.org>
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This avoids needless breakage of the public API.
Signed-off-by: Dave Reisner <d@falconindy.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Read the package information for sync/local databases into a pmpkghash_t
structure.
Provide a alpm_db_get_pkgcache_list() method that returns the list from
the hash object. Most usages of alpm_db_get_pkgcache are converted to
this at this stage for ease of implementation. Review whether these are
better accessing the hash table directly at a later stage.
Signed-off-by: Allan McRae <allan@archlinux.org>
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Instead, go the same route we have always taken with version-release in
libalpm and treat it all as one piece of information. Makepkg is the only
script that knows about epoch as a distinct value; from there on out we will
parse out the components as necessary.
This makes the code a lot simpler as far as epoch handling goes. The
downside here is that we are tossing some compatibility to the wind;
packages using force will have to be rebuilt with an incremented epoch to
keep their special status.
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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All functions that are limited to the local translation unit are
declared static. This exposed that the _pkg_get_deltas declaration
in be_local.c was being satified by the function in packages.c which
when declared static caused linker failures.
Fixes all warnings with -Wmissing-{declarations,prototypes}.
Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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POSIX does not require PATH_MAX be defined when there is not actual
limit to its value. This affects HURD based systems. Work around
this by defining PATH_MAX to 4096 (as on Linux) when this is not
defined.
Also, clean up inclusions of limits.h and remove autoconf check for
this header as we do not use macro shields for its inclusion anyway.
Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This results in huge gains to a lot of our codepaths since this is the most
frequent method of random access to packages in a list. The gains are seen
in both profiling and real life.
$ pacman -Sii zvbi
real: 0.41 sec -> 0.32 sec
strcmp: 16,669,760 calls -> 473,942 calls
_alpm_pkg_find: 52.73% -> 26.31% of time
$ pacman -Su (no upgrades found)
real: 0.40 sec -> 0.50 sec
strcmp: 19,497,226 calls -> 524,097 calls
_alpm_pkg_find: 52.36% -> 26.15% of time
There is some minor risk with this patch, but most of it should be avoided
by falling back to strcmp() if we encounter a package with a '0' hash value
(which we should not via any existing code path). We also do a strcmp once
hash values match to ensure against hash collisions. The risk left is that a
package name is modified once it was originally set, but the hash value is
left alone. That would probably result in a lot of other problems anyway.
Signed-off-by: Dan McGee <dan@archlinux.org>
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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 will allow for better control of what was previously the 'force' option
in a PKGBUILD and transferred into the built package.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Just a few small things I noticed looking through the code.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Put the db_operations struct to use and completely split the handling
of the sync and local databases.
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Allan McRae <allan@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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Signed-off-by: Dan McGee <dan@archlinux.org>
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Hopefully we've finally arrived at package handling nirvana, or at least
this commit will get us a heck of a lot closer. The former method of getting
the depends list for a package was the following:
1. call alpm_pkg_get_depends()
2. this method would check if the package came from the cache
3. if so, ensure our cache level is correct, otherwise call db_load
4. finally return the depends list
Why did this suck? Because getting the depends list from the package
shouldn't care about whether the package was loaded from a file, from the
'package cache', or some other system which we can't even use because the
damn thing is so complicated. It should just return the depends list.
So what does this commit change? It adds a pointer to a struct of function
pointers to every package for all of these 'package operations' as I've
decided to call them (I know, sounds completely straightforward, right?). So
now when we call an alpm_pkg_get-* function, we don't do any of the cache
logic or anything else there- we let the actual backend handle it by
delegating all work to the method at pkg->ops->get_depends.
Now that be_package has achieved equal status with be_files, we can treat
packages from these completely different load points differently. We know a
package loaded from a zip file will have all of its fields populated, so
we can set up all its accessor functions to be direct accessors. On the
other hand, the packages loaded from the local and sync DBs are not always
fully-loaded, so their accessor functions are routed through the same logic
as before.
Net result? More code. However, this code now make it roughly 52 times
easier to open the door to something like a read-only tar.gz database
backend.
Are you still reading? I'm impressed. Looking at the patch will probably be
clearer than this long-winded explanation.
Signed-off-by: Dan McGee <dan@archlinux.org>
[Allan: rebase and adjust]
Signed-off-by: Allan McRae <allan@archlinux.org>
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Implement this seemingly simple change in package.h:
typedef enum _pmpkgfrom_t {
- PKG_FROM_CACHE = 1,
- PKG_FROM_FILE
+ PKG_FROM_FILE = 1,
+ PKG_FROM_LOCALDB,
+ PKG_FROM_SYNCDB
} pmpkgfrom_t;
which requires flushing out several assumptions from around the codebase
with regards to usage of the PKG_FROM_CACHE value. Make some changes where
required to allow the switch, and now the correct value should be set (via a
crude hack) depending on whether a package was loaded as an entry in a local
db or a sync db.
This patch underwent some big rebasing from Allan and Dan.
Signed-off-by: Dan McGee <dan@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Move almost all of the caching related stuff into a single #define
(which should maybe even just be a static function) so we don't
duplicate logic all over the place. This also makes the code a heck of a
lot shorter and means further changes to this stuff don't have to touch
each and every getter function.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Sebastian Nowicki <sebnow@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Use strcoll to compare package names to provide output sorted
according to a users LC_COLLATE settings.
Signed-off-by: Andres P <aepd87@gmail.com>
[Allan: added commit message]
Signed-off-by: Allan McRae <allan@archlinux.org>
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This will facilitate using this object file on its own in the vercmp tool
which will be done in a future commit. The net impact on the generated
binaries should not be noticeable after this commit.
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 as we do in -Qi, we can compute required by information for sync
database packages. The behavior seems sane; for a given package, the -Sii
required by will show all packages in *any* sync database that require it.
Implements FS#16244.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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- remove unused variables
- some more sanity checks
- safer printf
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This is a bit embarrassing. For example:
$ pacman -Qi mesa
...
Required By : mesa mesa mesa mesa mesa mesa
Something is clearly not right, and the problem was introduced in commit
0bc961. Fix the issue by getting the package name off the correct variable.
Signed-off-by: Dan McGee <dan@archlinux.org>
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alpm_pkg_get_name() gives us little benefit in backend code besides a NULL
check on the package passed in; we could do that ourself if necessary. By
changing to direct references in the cases where we are sure we have a valid
package, we save a function call each time we need a package name. This
function can't be inlined because it is externally accessible.
This cuts the calls to get_name() from 1.3 million times in a
pacman -Qu operation to around 2400.
Signed-off-by: Dan McGee <dan@archlinux.org>
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After our recent screwup with size_t and ssize_t in the download code, I
found the `-Wsign-conversion` flag to GCC to see if we were doing anything
else boneheaded. I didn't find anything quite as bad, but we did have some
goofups- most of our public unsigned methods would return -1 on error, which
is a bit odd in an unsigned context.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This basically started with this change :
/* Transaction */
struct __pmtrans_t {
- pmtranstype_t type;
pmtransflag_t flags;
pmtransstate_t state;
- alpm_list_t *packages; /* list of (pmpkg_t *) */
+ alpm_list_t *add; /* list of (pmpkg_t *) */
+ alpm_list_t *remove; /* list of (pmpkg_t *) */
And then I have to modify all the code accordingly.
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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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The main purpose of this function to make our code more readable.
It frees transaction specific fields of pmpkg_t. (It is used when a package
is removed from the target list.)
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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pmsyncpkg_t data sructure was removed:
1. pmpkg_t.reason is used instead of pmsyncpkg_t.newreason. (The target
packages come from sync repos, so we can use this field without any
problems. Upgrade transaction also uses this field to store this info.)
2. pmsyncpkg_t.removes was moved to pmpkg_t.removes.
This step requires careful programming, because we don't duplicate packages
when we add them to trans->packages. So we modify sync pkgcache when we
add this transaction-only info to our package. Hence it is important to
free this list when we remove any package from the target list
(remove_unresolvable, remove_conflicts, trans_free), otherwise this could
confuse the new sync transactions (with non-pacman GUI).
Overall, our code became ~100 line shorter, and we can call our helper
functions directly on trans->packages in sync.c, we don't need to maintain
parallel package lists.
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 function returns with the origin database of a package.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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* Change the return values to be more informative.
It was previously boolean, only indicating if a sync package was newer than
a local package.
Now it is a simple wrapper to vercmp, handling the force flag.
* Remove the verbose output from _alpm_pkg_compare_versions.
The "force" message is not so useful.
The "package : local (v1) is newer than repo (v2)" message can be moved to
-Su operation.
For the -S operation, it is better to have something like :
"downgrading package from v1 to v2"
* Don't display the "up to date -- skipping" and "up to date -- reinstalling"
messages, when the local version is newer than the sync one.
* Fix the behavior of --needed option to not skip a target when the local
version is newer, and clarify its description.
* Add a new alpm_pkg_has_force function
This allows us to access the pkg->force field like any other package fields.
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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The pkg_dup function shouldn't call any alpm_pkg_get_ accessors because
this can fill the old package with all INFRQ_DESC fields for example, and
this won't necessarily be reproduced in the new package (for all the fields
that were copied before).
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This vercmp issue has been a sticking point but this should resolve many of
the issues that have come up. Only a few minor code changes were necessary
to get the behavior we desired, and this version appears to beat any other
vercmp rendition on a few more cases added in this commit.
This commit passes all 58 vercmp tests currently out there. Other 'fixes'
still fail on a few tests, namely these ones:
test: ver1: 1.5.a ver2: 1.5 ret: -1 expected: 1
==> FAILURE
test: ver1: 1.5 ver2: 1.5.a ret: 1 expected: -1
==> FAILURE
test: ver1: 1.5-1 ver2: 1.5.b ret: 1 expected: -1
==> FAILURE
test: ver1: 1.5.b ver2: 1.5-1 ret: -1 expected: 1
==> FAILURE
4 of 58 tests failed
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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This is a "fix" for FS#10226. I think that multiple versioned dependencies
are quite common now, and the old behavior is quite annoying there. This
patch won't cause any slow-down.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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