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Also adds checks that the filename does not exceed PATH_MAX.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
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Prevents the need to rename the file if we end up keeping it and ensures
that pacnew files always reflect the most recent version by overwriting
stale copies.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
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Leave user files in place and save new config files with a .pacnew
extension. This reduces the complexity of file extraction and respects
the principle that pacman shouldn't modify files it didn't create.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
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If an error occurs the actual path being extracted is more useful than
the original path from the package file list. The original path is
still used for checks that use it directly.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
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alpm's database files (.INSTALL, .MTREE, etc.) should be extracted no
matter what; skip mtree/needbackup/noextract/noupgrade checks for them.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
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Puts all of the conflict cases at the same level.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
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We need to know if a file needs to be backed up for all extracted files.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
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The memory assigned to checkfile was leaked in the error condition.
Signed-off-by: Allan McRae <allan@archlinux.org>
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With globbing in NoExtract, these log events can quickly pile up hiding
important information from the log.
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
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ALPM still adds a warning to the log, but doesn't emit an event about
said warning, instead using a specific event to let the frontend what
happened/how to inform the user.
Note that there are 2 cases for installing a .pacnew file, to not
overwrite user changes and because file is in NoUpgrade. In the later case
the warning was a bit different: it happened before and said "extracting"
instead of "installed." Now both happen after and are phrased the same.
Signed-off-by: Olivier Brunel <jjk@jjacky.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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This moves the "wrong args" error up from trans_commit to add_pkg when
used with a local pkg and adds the error for remove_pkg when used with
a sync pkg, which currently just removes the db entry.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Instead of using two void* arguments for all events, we now send one
pointer to an alpm_event_t struct. This contains the type of event that
was triggered.
With this information, the pointer can then be typecasted to the
event-specific struct in order to get additional arguments.
Signed-off-by: Olivier Brunel <jjk@jjacky.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Florian Pritz <bluewind@xinu.at>
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Forcing vim users to view files with a tabstop of 2 seems really
unnecessary when noet is set. I find it much easier to read code with
ts=4 and I dislike having to override the modeline by hand.
Command run:
find . -type f -exec sed -i '/vim.* noet/s# ts=2 sw=2##' {} +
Signed-off-by: Florian Pritz <bluewind@xinu.at>
Signed-off-by: Allan McRae <allan@archlinux.org>
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When calling open(), use O_CLOEXEC as much as possible to ensure the
file descriptor is closed when and if a process using libalpm forks.
For most of these cases, and especially in utility functions, the file
descriptor is opened and closed in the same function, so we don't have
too much to worry about. However, for things like the log file and
database lock file, we should ensure descriptors aren't left hanging
around for children to touch.
This patch is inspired by the problem in FS#36161, where an open file
descriptor to the current working directory prevents chroot() from
working on FreeBSD. We don't need this file descriptor in the child
process, so open it (and now several others) with O_CLOEXEC.
Signed-off-by: Dan McGee <dan@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Allan McRae <allan@archlinux.org>
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We will be adding event structs in the following patches.
Signed-off-by: Olivier Brunel <jjk@jjacky.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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This commit:
-- replaces space-based indents with tabs per the coding standards
-- removes extraneous whitespace (e.g. extra spaces between function args)
-- adds missing braces for a one-line if statement
Signed-off-by: Jason St. John <jstjohn@purdue.edu>
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This ensures that important events will be logged and consistent
regardless of the frontend. The need for global context in the event
callback is also removed. The event is logged before any post_* scripts
run, so this also moves the post_* script output underneath the event in
the log.
Fixes FS#36504
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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These references to bug numbers assume we will forever be using that bug
tracker. It is better to properly comment the code instead (which was
done in almost all cases anyway).
Signed-off-by: Allan McRae <allan@archlinux.org>
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We currently only warn if a directory's permissions differ, but using -Qkk
on my system shows that directory permissions tend to change in packages
reasonably frequently without notice. Provide a warning in such cases
so that it can be altered. Example output:
(1/1) reinstalling nginx
warning: directory ownership differs on /var/lib/nginx/proxy/
filesystem: 33:0 package: 0:0
Signed-off-by: Allan McRae <allan@archlinux.org>
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On operating systems we support, the behavior is always such that the
kernel will do the right thing as far as invalidating the file
descriptor, regardless of the eventual return value. Therefore,
potentially looping and calling close multiple times is wrong.
At best, we call close again on an invalid FD and throw a spurious EBADF
error. At worst, we might close an FD which doesn't belong to us when a
multi-threaded application opens its own file descriptor between
iterations of the loop.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>
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It is now possible to invert patterns in NoExtract and NoUpgrade.
This feature allows users to whitelist certain files that were
previously blacklisted by another entry.
Signed-off-by: Allan McRae <allan@archlinux.org>
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Fixes FS#35515.
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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The previous implementation was overly complex with unnecessary checks
and nested conditionals. By reordering the tests and changing them to
all be checks for positive hash matches rather than non-matches, we can
collapse several cases and make the process much more linear. This
removes the need to set hash_orig = "" just to reach some of the checks
and corrects a faulty assumption that files are equivalent when the
hashing process fails.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Allan McRae <allan@archlinux.org>
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Currently pacman either prints 'adding' or 'upgrading' when installing
a package. This make pacman print and log the other possible actions:
'downgrade' and 'reinstall'
Signed-off-by: Simon Gomizelj <simongmzlj@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Fix FS#31556 by printing filename instead of entryname. Thus,
removing a lot of confusion from the output.
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>
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prefix defaults to "UNKOWN" if null or an empty string is provided.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Allan McRae <allan@archlinux.org>
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This function is particularly useful, so make it public.
Signed-off-by: Allan McRae <allan@archlinux.org>
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Conflicts:
scripts/pacman-key.sh.in
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This was accidentally broken in the refactor done in commit 73139ccb.
Fixes FS#29371.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Add 2012 to the copyright range for all libalpm and pacman source files.
Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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In both cases we can go with the slightly leaner <stdint.h> header
include since we aren't using the print macros.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Ensures that config.h is always ordered correctly (first) in the
includes. Also means that new source files get this for free without
having to remember to add it.
We opt for -imacros over -include as its more portable, and the
added constraint by -imacros doesn't bother us for config.h.
This also touches the HACKING file to remove the explicit mention of
config.h as part of the includes.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This moves the common setup code of about 5 different callers into one
method. Error messages will now be common and shared in all places;
several paths did not have any messages at all before.
In addition, we now pick an ideal block size for the archive read based
off the larger value of our default buffer size or the st.st_blksize
field. For a filesystem such as NFS, this is often much larger than the
default 8192- values such as 32768 and 131072 are common.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This is work originally provided by Sascha Kruse on FS#20360 with only
minor adjustments to the implementation. It's been expanded to cover:
NoUpgrade, NoExtract, IgnorePkg, IgnoreGroup.
Adds tests ignore008, sync139, sync502, and sync503.
Also satisfies FS#18988.
Original-work-by: Sascha Kruse <knopwob@googlemail.com>
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
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These wrap the normal open() and close() low-level I/O calls and ensure
EINTR is handled correctly.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This takes the place of three previously used constants:
ARCHIVE_DEFAULT_BYTES_PER_BLOCK, BUFFER_SIZE, and CPBUFSIZE.
In libarchive 3.0, the first constant will be no more, so we can ensure
we are forward-compatible by removing our usage of it now. The rest are
unified for consistency.
By default, we will use the value of BUFSIZ provided by <stdio.h>, which
is 8192 on Linux. If that is undefined, a default value is provided.
Signed-off-by: Dan McGee <dan@archlinux.org>
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These backup-related paths in package extraction are used on relatively
few files during the install process, so bump them off the stack and
into the heap. This removes the artificial PATH_MAX limitation on their
length as well.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This moves the repetitive (and highly unlikely) logging work to a
single location.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This will always be a 64-bit signed integer rather than the variable length
time_t type. Dates beyond 2038 should be fully supported in the library; the
frontend still lags behind because 32-bit platforms provide no localtime64()
or equivalent function to convert from an epoch value to a broken down time
structure.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Expose the current static get_pkgpath() function internally to the rest
of the library as _alpm_local_db_pkgpath(). This allows use of this
convenience function in add.c and remove.c when forming the path to the
scriptlet location.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Add an is_archive parameter to reduce the amount of black magic going
on. Rework to use fewer PATH_MAX sized local variables, and simplify
some of the logic where appropriate in both this function and in the
callers where duplicate calls can be replaced by some conditional
parameter code.
Signed-off-by: Dan McGee <dan@archlinux.org>
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