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The addition of the DB version check introduces a lag time between the
lockfile creation and the transaction initialization. In cases where the
local DB is large enough and/or the user's disk is slow enough, this
time is significant enough that its possible for a user to send a SIGINT
and leave behind a db.lck file.
Signed-off-by: Dave Reisner <d@falconindy.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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The current state of the code does not allow to see immediately
that it returns a list of pmdepmissing_t structures.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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Ensure we have a local DB version that is up to par with what we expect
before we go down any road that might modify it. This should prevent
stupid mistakes with the 3.5.X upgrade and people not running
pacman-db-upgrade after the transaction as they will need to.
Signed-off-by: Dan McGee <dan@archlinux.org>
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We only call these from the transaction init and teardown, so move them
to that file, mark them static, and push more of the logic of handle
manipulation into these functions.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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According to FOPEN(3), using fclose on an fdopen'd file stream also
closes the underlying file descriptor. This happened in _alpm_lckmk
(util.c), which meant that when alpm_trans_release closed it again, the
log file (which reused the original file descriptor) was closed instead.
Signed-off-by: Jonathan Conder <jonno.conder@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This is old code that has since gone stale; we no longer ever add
anything to this list so no need to keep it around and check the
contents during extraction.
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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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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Conflicts:
lib/libalpm/be_local.c
lib/libalpm/trans.c
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If we have a corrupted database, a package can come through without an arch,
causing the code to blow up when making strcmp() calls. It might even be
possible with perfectly valid database entries lacking an 'arch =' line.
This behavior was seen as at least one of the problems in FS#21668.
Ensure pkgarch is not null before doing anything further.
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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Signed-off-by: Jonathan Conder <j@skurvy.no-ip.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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From the fgets manpage:
fgets() reads in at most one less than size characters from stream and
stores them into the buffer pointed to by s. Reading stops after an EOF
or a newline. If a newline is read, it is stored into the buffer. A
'\0' is stored after the last character in the buffer.
This means there is no need at all to do 'size - 1' math. Remove all of that
and just use sizeof() for simplicity on the buffer we plan on reading into.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Prevents compiler warnings with -D_FORTIFY_SOURCE=2
Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@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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Signed-off-by: Dan McGee <dan@archlinux.org>
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* It makes the code clearer to read/understand
* Cppcheck tool doesn't show this anymore: [./util.c:215]: (error) Resource leak: fd
[Dan: don't change the coding style]
Signed-off-by: Dan McGee <dan@archlinux.org>
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Pacman's fgets function in the API used hardcoded numbers to identify the size.
This is not good practice, so replace them with sizeof handling.
Signed-off-by: Laszlo Papp <djszapi@archlinux.us>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Add support to extract a list of entries
Signed-off-by: Xavier Chantry <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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-int alpm_trans_sysupgrade(int enable_downgrade);
-int alpm_trans_sync(char *target);
-int alpm_trans_add(char *target);
-int alpm_trans_remove(char *target);
+int alpm_sync_sysupgrade(int enable_downgrade);
+int alpm_sync_target(char *target);
+int alpm_sync_dbtarget(char *db, char *target);
+int alpm_add_target(char *target);
+int alpm_remove_target(char *target);
* functions renaming
* add new sync_dbtarget which allows to specify the db
* repo/ syntax handling is moved to frontend
( should implement FS#15141)
* group handling is moved to backend
( see http://www.archlinux.org/pipermail/pacman-dev/2009-June/008847.html )
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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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This implements FS#15622
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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If the user switches from unstable repo to a stable one, it is quite hard to
sync its system with the new repo (the user will see many "Local is newer
than stable" messages, nothing more). That's why I introduced -Suu, which
treats a sync package like an upgrade, iff the package version doesn't match
with the local one's.
I added a new pactest (sync104.py) to test this, and I updated the
documentation of -Su.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
[Dan: slight doc reword]
Signed-off-by: Dan McGee <dan@archlinux.org>
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This fixes FS#15294.
The code to run a command inside a chroot was refactored from the
_alpm_runscriptlet function to _alpm_run_chroot.
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
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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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This flag indicates that the front-end will not call alpm_trans_commit(),
so the database needn't be locked. This is the first step toward fixing
FS#8905.
If this flag is set, alpm_trans_commit() does nothing and returns with
an error (that has new code: PM_ERR_TRANS_NOT_LOCKED).
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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This reverts commit 9558639d8009483fbf422b138d020745986f82f1.
This change was wrong, popen does require /bin/sh in a subchroot.
1) pacman -S lilo -r root
Notice no error
2) rm root/bin/sh ; pacman -S lilo -r root
Notice an error :
error: scriptlet failed to execute correctly
Actually, we already get an explicit error here, when popen is run, so there
is no need to check for bin/sh explicitely.
Besides this check was problematic in some cases. For example, bash itself
has a scriptlet, but only post_install and post_upgrade, no pre_install and
pre_upgrade. However, since bash has a scriptlet, runscriptlet will also be
called before bash is installed. It won't do anything since the scriptlet
has no pre_install function. But if we keep the check, we will still get
"error : no /bin/sh".
Conflicts:
lib/libalpm/trans.c
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This is a bug I noticed 2 years ago :
http://www.nabble.com/Re%3A-logging-output-crazy-to11437357.html#a11479679
I thought I fixed it with 57d77eab32c01cd7572a11f76480a3724d09c029
But the bug was still here. Reading man fork, this part caught my attention:
* The child inherits copies of the parent's set of open file
descriptors. Each file descriptor in the child refers to the same open
file description (see open(2)) as the corresponding file descriptor in the
parent. This means that the two descriptors share open file status
flags, current file offset, and signal-driven I/O attributes (see the
description of F_SETOWN and F_SETSIG in fcntl(2)).
Since the open file descriptors are inherited, it is probably a good idea to
flush them before forking.
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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From now on -Qu is an "outdated package" filter on local database.
(This is a behaviour change.)
This patch fixes some memleaks and makes the code cleaner, for details see
my comment on FS#7884.
FS#11868 is implemented.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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We never had a call to pclose() in here before, leaving our file descriptor
in some sort of limbo state. In addition, clean up some of the other logic
such as directly calling exit(1) on a popen() failure rather than going to
our cleanup block, and handling and respecting the exit status of the
subprocess correctly.
Signed-off-by: Dan McGee <dan@archlinux.org>
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It is possible to throw EINTR from a system call such as open(), close(), or
waitpid() if custom signal handlers are set up and they are not initialized
with the SA_RESTART flag. This was noticed by Andreas Radke when ^C (SIGINT)
was given during the call to waitpid(), causing it to throw the EINTR error
and we could not accommodate it.
Simply wrap these calls in a simple loop that allows us to retry the call if
interrupted.
Signed-off-by: Dan McGee <dan@archlinux.org>
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We don't need to zero things out, we are already using calloc for this
purpose.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Commit 8240da6cb3ff95ad480efe3e1876104024398fae broke some alpm hierarchy
and introduced a new memleak (trans->packages was never freed in case of add
transaction, even if the transaction wasn't committed), so it is reverted
now.
We follow a different approach to reduce memory usage:
_alpm_db_add_pkgincache doesn't duplicate the whole package before adding
it to the cache, only the package name and version (INFRQ_BASE).
This method needs very small extra memory (compared to the reverted method),
and after transaction commit we use less memory than before (since the
big 'files' fields are not copied to cache), this is useful in GUIs.
Note: The old add_pkgincache was a bit broken, since pkg->origin wasn't
filled in correctly.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Acked-by: Xavier Chantry <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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We were using the stat() system call in quite a few places when we didn't
actually need anything the stat struct returned- we were simply checking for
file existence. access() will be more efficient in those cases.
Before (strace pacman -Ss pacman):
% time seconds usecs/call calls errors syscall
------ ----------- ----------- --------- --------- ----------------
33.16 0.005987 0 19016 stat64
After:
% time seconds usecs/call calls errors syscall
------ ----------- ----------- --------- --------- ----------------
34.85 0.003863 0 12633 1 access
7.95 0.000881 0 6391 7 stat64
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 was totally useless.
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Its implementation was quite broken:
* add_loadtarget() might have silently filtered out some targets when
replacing an older version.
* This was used in sync.c to determine whether a target is implicit or not,
which is incorrect behavior. Before this patch we silently removed user
confirmed replacements; now we always warn on a replacement.
* remove001.py behavior was quite odd in adding same target 5 times to the
target list, we can change this behavior to be a failure.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
[Xav: changed remove001 pactest accordingly]
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
[Dan: rewrote commit message]
Signed-off-by: Dan McGee <dan@archlinux.org>
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Edit _alpm_db_add_pkgincache to not duplicate packages, because this is not
needed, is slower, and uses more memory. This made the max memory usage
during base reinstall go from 10.4MB to 9.7MB.
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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[Xav: removed unneeded makepath_internal function, and fixed the permission
value : 1777 -> 01777]
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Fixes FS#7380: alpm crashes on passing NULL to alpm_trans_commit in
a sync operation. Adds check that data parameter is not NULL in
several functions.
Signed-off-by: Allan McRae <mcrae_allan@hotmail.com>
[Dan: fix whitespace]
Signed-off-by: Dan McGee <dan@archlinux.org>
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I appears that when chrooted, the /bin/sh used by popen is that of the parent
process. This is true until the process forks once chrooted, which we do not
want to do.
As such, this actually makes things nicer. We don't need a /bin/sh in a chroot
to run install scriptlets, and don't need to check for it in the root directory
Signed-off-by: Aaron Griffin <aaronmgriffin@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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