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Return -1 if a path is too long to resolve or we run out of memory.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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This applies to a case such as when /lib is a symlink to /usr/lib. If a
package is installed which contains /lib/libfoo.so, pacman will complain
if this package is then "fixed" to contain /usr/lib/libfoo.so. Since
these have the same effective path and it exists within the same
package, ignore the conflict.
Fixes FS#30681.
Signed-off-by: Allan McRae <allan@archlinux.org>
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File paths are resolved if necessary during inter-package conflict
checks so that packages carrying the same effective file due to
directory symlinks on the filesystem are flagged as conflicting.
Signed-off-by: Allan McRae <allan@archlinux.org>
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If a filename isn't resolved, the original can be used instead of strdup()ing
it.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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The _alpm_filelist_resolve function takes a filelist and creates
a list with any symlinks in directory paths resolved.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Add an array to hold the resolved paths of the files in alpm_filelist_t.
When the file name and its resolved file name are identical, the pointer
to the original file name is used to avoid duplicate memory allocation.
Signed-off-by: Allan McRae <allan@archlinux.org>
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Detect a conflict between a file/symlink in one package and a directory
in another when both are being installed at once.
A side effect is the creation of conflicts between a directory symlink
and a real directory (e.g lib -> usr/lib in pkg1 and /lib in pkg2).
Given we can not guarantee pkg1 is installed before pkg2, this is a
genuine conflict.
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Barbu Paul - Gheorghe <barbu.paul.gheorghe@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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This is redundant, and any usage of -D should belong to CPPFLAGS.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>
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GPG signatures have a timestamp which is checked and if it's in the
future, verification will fail.
Dan: slight wording change.
Signed-off-by: Florian Pritz <bluewind@xinu.at>
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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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Signed-off-by: Barbu Paul - Gheorghe <barbu.paul.gheorghe@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Florian Pritz <bluewind@xinu.at>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Given the message is repeated for each repo, it is a good idea to
print the repo name in the output.
Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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To improve conflict checking, we will need to make these functions
diverge to an extent where having two separate functions will be
preferable.
Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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We have a few of these and might as well gather them together. This also
cleans up the code a bit by using an enum instead of integer values, as
well as makes a "search for file in filelist" function public so
frontends can do better than straight linear search of the filelists.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Barbu Paul - Gheorghe <barbu.paul.gheorghe@gmail.com>
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74274b5dc347ba70 which added the real_line_size to the buffer struct
didn't properly account for what happens when archive_fgets has to loop
more than once to find the end of a line. In most cases, this isn't a
problem, but could potentially cause a longer line such as PGP signature
to be improperly read.
This patch fixes the oversight and focuses on only calculating the line
length when we hit the end of line marker. The effective length is then
calculated via pointer arithmetic as:
(start_of_last_read + read_length) - start_of_line
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
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Take advantage of the fact that our filelists are arrays sorted by
filename with a known length and use a binary search. This should speed
up file conflict checking, particularly when larger packages are
involved.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This may very well be a no-op, but better safe than sorry.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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On the assumption that these arrays are already mostly sorted, use the
standard quicksort method to sort the files arrays. The files_msort
function name is tweaked to give it a more general name to reflect this
change.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Now that we pass in the handle, we might as well add logging.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Conflicts:
etc/makepkg.conf.in
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This function was renamed alpm_get_syncdbs as part of b488f229d.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
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Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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When checking if a package owns a directory, it is important to check
not only that all the files in the directory are part of the package,
but also if the directory is part of a package. This catches empty
subdirectories during conflict checking for directory to file/symlink
replacements.
Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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When two packages own an empty directory, pacman finds no conflict when
one of those packages wants to replace the directory with a file or a
symlink. When it comes to actually extracting the new file/symlink,
pacman sees the directory is still there (we do not remove empty
directories if they are owned by a package) and refuses to extract.
Detect this potential conflict early and bail. Note that it is a
_potential_ conflict and not a guaranteed one as the other package owning
the directory could be updated or removed first which would remove
the conflict. However, pacman currently can not sort package installation
order to ensure this, so this conflict requires manual upgrade ordering.
Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Only load filesystem details for the mount points that we're actually
going to write to. This reduces our syscall count considerably. In the
case of installation, we would actually stat every mountpoint twice (an
extra round for download diskspace) which means (on my system) a total
of 60 syscalls to write to 3 partitions when installing the kernel
package. This change reduces the 60 syscalls down to the expected 3.
A slight debug output change is added here to discern between a
mountpoint added to our linked list versus when we actually load the fs
info.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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add mount_point_load_fsinfo() for platforms using getmntent().
Dan: move the #ifdef slightly so we don't have unused functions on
certain platforms (e.g., OS X).
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Similar to the case for makedepends, it is useful to be able to
access this information without parsing a PKGBUILD.
Signed-off-by: Allan McRae <allan@archlinux.org>
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If known, callers can pass the line size to this function in order to
avoid an strlen call. Otherwise, they simply pass 0 and
_alpm_strip_newline will do the call instead.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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We inevitably call strlen() or similar on the line returned from
_alpm_archive_fgets(), so include the line size of the interesting line
in the struct.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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With lazy loading in place, it's now quite obvious that we aren't
necessarily checking the right mountpoint for necessary download space.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
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Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This is useful for tools that automatically rebuild packages and
thus require to generate a build order. These entries are skipped
by pacman.
Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Apparently gcc 4.7 has decided that -Wshadow warnings aren't worth
reporting anymore even with the flag enabled. These were found on
an Ubuntu 10.04 install.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@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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This path is rarely (read: never) taken in any normal run of the code,
so injecting the fprintf() call everywhere with the macro is a bit
overkill. Instead, add a lightweight _alpm_alloc_fail() function that
gets called instead.
This does have a reasonable effect on the size of the generated code;
most places using the macros provided by util.c have their code size
reduced.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Increment the strlen() provided value by 1 for the NULL byte so we use
the right value in all three places we later reference it.
Signed-off-by: Dan McGee <dan@archlinux.org>
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There is little reason here to grab 4K from the heap only to return it a
few lines later. Instead, just use the stack to hold the returned value
saving ourselves the malloc/free cycle.
Signed-off-by: Dan McGee <dan@archlinux.org>
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No one seems to do this "correctly", but for the sake of having an easy
method of detecting the presence and version of libalpm on a given
system, we provide a straightforward .pc file.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
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'foo_type_t *variable' rather than 'foo_type_t* variable'.
Signed-off-by: Dan McGee <dan@archlinux.org>
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There isn't a whole lot of reason other than code clarity for this, but
it makes it a bit more obvious where multivalued attributes start.
Signed-off-by: Dan McGee <dan@archlinux.org>
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