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database_upgrade.
Compact was missing callback documentation entirely, and upgrade did not discuss the
closure parameter.
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This provides much more flexibility for the caller.
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Destroy instead of close the database after compaction, and also on
error path, to not leak the database.
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In line with the allocation checks all around.
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Constructors may also throw exceptions. Catch them.
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The queries don't really work after a database is closed, and we would
like them to be freed if the database is destroyed.
Acknowledged-by: David Bremner <david@tethera.net>
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
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Minimal change to build notmuch against xapian that doesn't have
compaction support.
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This function uses Xapian's Compactor machinery to compact the notmuch
database. The compacted database is built in a temporary directory and
later moved into place while the original uncompacted database is
preserved.
Signed-off-by: Ben Gamari <bgamari.foss@gmail.com>
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As explained by Jeffrey Stedfast, the author of GMime, quoted in [1]:
> Passing the GMIME_ENABLE_RFC2047_WORKAROUNDS flag to g_mime_init()
> *should* solve the decoding problem mentioned in the thread. This
> flag should be safe to pass into g_mime_init() without any bad side
> effects and my unit tests do test that code-path.
The thread being referred to is [2].
[1] id:87bo56viyo.fsf@nikula.org
[2] id:08cb1dcd-c5db-4e33-8b09-7730cb3d59a2@gmail.com
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notmuch_message_tags_to_maildir_flags() unconditionally moves messages from
maildir directory "new/" to maildir directory "cur/", which makes messages lose
their "new" status in the MUA. However some users want to keep this "new"
status after, for instance, an auto-tagging of new messages.
However, as Austin mentioned and according to the maildir specification,
messages living in "new/" are not allowed to have flags, even if mutt allows it
to happen. For this reason, this patch prevents moving messages from "new/" to
"cur/", only if no flags have to be changed. It's hopefully enough to satisfy
mutt (and maybe other MUAs showing the "new" status) users checking the "new"
status.
Changelog:
* v2: Fix bool type as well as NULL returned despite having no errors (Austin
Clements)
* v4: Tag the related test (contributed by Michal Sojka) as working
Signed-off-by: Louis Rilling <l.rilling@av7.net>
[Condition for keeping messages in new/ was extended to satisfy all
tests from the previous patch. -Michal Sojka]
[Added by David Bremner, to keep the tests passing at each commit]
update insert tests for new maildir synchronization rules
As of id:1355952747-27350-4-git-send-email-sojkam1@fel.cvut.cz
we are more conservative about moving messages from ./new to ./cur.
This updates the insert tests to match
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Long story short, fix build on recent (3.2+) clang.
The long story for posterity follows.
gcc 4.6 added new warnings about structs with greater visibility than
their fields. The warnings were silenced by adjusting visibility in
commit d5523ead90b6be2b07d4af745b8ed9b980a6b9f1
Author: Carl Worth <cworth@cworth.org>
Date: Wed May 11 13:23:13 2011 -0700
Mark some structures in the library interface with visibility=default attribute.
Later on,
commit 3b76adf9e2c026dd03b820f4c6eab50e25444113
Author: Austin Clements <amdragon@MIT.EDU>
Date: Sat Jan 14 19:17:33 2012 -0500
lib: Add support for automatically excluding tags from queries
changed visibility of struct _notmuch_string_list for the same reason, and
commit 1a53f9f116fa7c460cda3df532be921baaafb082
Author: Mark Walters <markwalters1009@gmail.com>
Date: Thu Mar 1 22:30:38 2012 +0000
lib: Add the exclude flag to notmuch_query_search_threads
split the struct _notmuch_string_list and its typedef
notmuch_string_list_t as a way to make a forward declaration for
_notmuch_thread_create().
The subtle difference was that the struct definition now had 'visible'
in it, while the typedef didn't, and it was within the #pragma GCC
visibility push(hidden) block. This went unnoticed, as the then common
versions of clang didn't care about this.
A later change in clang (I did not dig into when this change was
introduced) caused the following error:
CXX -O2 lib/database.o
In file included from lib/database.cc:21:
In file included from ./lib/database-private.h:33:
./lib/notmuch-private.h:479:8: error: visibility does not match previous declaration
struct visible _notmuch_string_list {
^
./lib/notmuch-private.h:67:33: note: expanded from macro 'visible'
^
./lib/notmuch-private.h:52:13: note: previous attribute is here
^
1 error generated.
make: *** [lib/database.o] Error 1
This is slightly misleading due to the reference to the #pragma. The
real culprit is the typedef within the #pragma.
We could just add 'visible' to the typedef, or move the typedef
outside of the #pragma, and be done with it, but juggle the
declarations a bit to accommodate moving the typedef back with the
struct, and keep the visibility attribute in one place.
The problem was originally reported by Simonas Kazlauskas
<s@kazlauskas.me> in id:20130418102507.GA23688@godbox but I was only
able to reproduce and investigate now that I upgraded clang.
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Any string that ultimately comes from notmuch_message_file_get_header
is in UTF-8.
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notmuch_message_get_header started returning some headers straight
from the database in 567bcbc, but this comment explicitly claimed all
headers were read from the message file.
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Add NOTMUCH_EXCLUDE_FLAG to notmuch_exclude_t so that it can
cover all four values of search --exclude in the cli.
Previously the way to avoid any message being marked excluded was to
pass in an empty list of excluded tags: since we now have an explicit
option we might as well honour it.
The enum is in a slightly strange order as the existing FALSE/TRUE
options correspond to the new
NOTMUCH_EXCLUDE_FLAG/NOTMUCH_EXCLUDE_TRUE options so this means we do
not need to bump the version number.
Indeed, an example of this is that the cli count and show still use
FALSE/TRUE and still work.
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g_type_init was deprecated in GLib 2.35.1. In order to compile
cleanly, guard these with a suitable #if.
(commit msg from https://bugs.freedesktop.org/attachment.cgi?id=73774 )
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Adds a exclude all option to the lib which means that excluded
messages are completely ignored (as if they had actually been
deleted).
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Presently, the code which finds the parent of a message as it is being
added to the database assumes that the first Message-ID-like substring
of the In-Reply-To header is the parent Message ID. Some mail clients,
however, put stuff other than the Message-ID of the parent in the
In-Reply-To header, such as the email address of the sender of the
parent. This can fool notmuch.
The updated algorithm prefers the last Message ID in the References
header. The References header lists messages oldest-first, so the last
Message ID is the parent (RFC2822, p. 24). The References header is
also less likely to be in a non-standard
syntax (http://cr.yp.to/immhf/thread.html,
http://www.jwz.org/doc/threading.html). In case the References header
is not to be found, fall back to the old behavior.
V2 of this patch, incorporating feedback from Jani and (indirectly)
Austin.
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Xapian::TermIterator::operator* returns std::string which is destroyed
as soon as (*i).c_str() finishes. The remembered pointer 'term' then
references invalid memory.
Signed-off-by: Vladimir Marek <vlmarek@volny.cz>
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Notmuch automatically re-orders names of the format "Last, First" to
"First Last" when the associated email address is
First.Last@example.com. But, if a name is of the format "Last,First"
then notmuch will format the name as "irst Last". Handle any number of
spaces after the comma, including none.
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Previously, getting the list of all messages in a thread required
recursively traversing the thread's message hierarchy, which was both
difficult and resulted in messages being out of order. This adds a
public function to retrieve an iterator over all of the messages in a
thread in oldest-first order.
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This API invited micro-optimized and complicated list pointer
manipulation and is no longer used.
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Previously, thread.cc built up a list of all messages, then
proceeded to tear it apart to transform it into a list of
top-level messages. Now we simply build a new list of top-level
messages.
This simplifies the interface to _notmuch_message_add_reply,
eliminates the pointer acrobatics from
_resolve_thread_relationships, and will enable us to do things
with the list of all messages in the following patches.
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Previously, there were various opportunities for memory leaks in the
error-handling paths of this function. Use a local talloc context and
some reparenting to make eliminate these leaks, while keeping the
control flow simple.
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Using char instead of int allows for simpler definitions of the
DOCIDSET macros so the code is easier to understand and consistent with
respect to memory-usage. Estimated reduction of memory-usage for
bitmap about 8 times.
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Apparently as of GMime 2.4, you don't need to call
internet_address_list_destroy anymore, but you still need to call
g_object_unref (from the GMime Changelog).
On the medium performance corpus, valgrind shows "possibly lost"
leakage in "notmuch new" dropping from 7M to 300k.
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The message->headers hash table values get data returned by
g_mime_utils_header_decode_text ().
The pointer returned by g_mime_utils_header_decode_text is from the
following line in rfc2047_decode_tokens
return g_string_free (decoded, FALSE);
The docs for g_string_free say
Frees the memory allocated for the GString. If free_segment is TRUE
it also frees the character data. If it's FALSE, the caller gains
ownership of the buffer and must free it after use with g_free().
The remaining frees and allocations referencing to message->headers hash
values have been changed to use g_free and g_malloc functions.
This combines and completes the changes started by David Bremner.
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Building notmuch with CC=clang and CXX=clang++ produces the warnings:
CC -O2 lib/tags.o
lib/tags.c:43:5: warning: expression result unused [-Wunused-value]
talloc_steal (tags, list);
^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/talloc.h:345:143: note: expanded from:
...__location__); __talloc_steal_ret; })
^~~~~~~~~~~~~~~~~~
1 warning generated.
CXX -O2 lib/message.o
lib/message.cc:791:5: warning: expression result unused [-Wunused-value]
talloc_reference (message, message->tag_list);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/talloc.h:932:36: note: expanded from:
...(_TALLOC_TYPEOF(ptr))_talloc_reference_loc((ctx),(ptr), __location__)
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
Check talloc_reference() return value, and explicitly ignore
talloc_steal() return value as it has no failure modes, to silence the
warnings.
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Previously, we would treat multi-message mboxes as one giant email,
which, besides the obvious incorrect indexing, often led to
out-of-memory errors for archival mboxes. Now we explicitly reject
multi-message mboxes. For historical reasons, we retain support for
single-message mboxes, but official deprecate this behavior.
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Add a custom value range processor to enable date and time searches of
the form date:since..until, where "since" and "until" are expressions
understood by the previously added date/time parser, to restrict the
results to messages within a particular time range (based on the Date:
header).
If "since" or "until" describes date/time at an accuracy of days or
less, the values are rounded according to the accuracy, towards past
for "since" and towards future for "until". For example,
date:november..yesterday would match from the beginning of November
until the end of yesterday. Expressions such as date:today..today
means since the beginning of today until the end of today.
Open-ended ranges are supported (since Xapian 1.2.1), i.e. you can
specify date:..until or date:since.. to not limit the start or end
date, respectively.
CAVEATS:
Xapian does not support spaces in range expressions. You can replace
the spaces with '_', or (in most cases) '-', or (in some cases) leave
the spaces out altogether.
Entering date:expr without ".." (for example date:yesterday) will not
work as you might expect. You can achieve the expected result by
duplicating the expr both sides of ".." (for example
date:yesterday..yesterday).
Open-ended ranges won't work with pre-1.2.1 Xapian, but they don't
produce an error either.
Signed-off-by: Jani Nikula <jani@nikula.org>
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OpenBSD's build flags are identical to FreeBSD, except that libraries
need to be explicitly linked against libc. No code changes are
necessary.
From: Cody Cutler <ccutler@csail.mit.edu>
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Fix the COERCE_STATUS macro to handle _internal_error being declared
as void function.
Note that the function _internal_error does not return. Evaluating to
NOTMUCH_STATUS_SUCCESS is done purely to appease the compiler.
Signed-off-by: Justus Winter <4winter@informatik.uni-hamburg.de>
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The API documentation (notmuch.h) states that the parameter may be NULL,
but the implementation only checked the current element, potentially
dereferencing a NULL pointer in the process.
Signed-off-by: Sascha Silbe <sascha-pgp@silbe.org>
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Previously, notmuch new only synchronized maildir flags to tags for
files with a maildir "info" part. Since messages in new/ don't have
an info part, notmuch would ignore them for flag-to-tag
synchronization.
This patch makes notmuch consider messages in new/ to be legitimate
maildir messages that simply have no maildir flags set. The most
visible effect of this is that such messages now automatically get the
unread tag.
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Previously, we synchronized flags to tags for any message that looked
like it had maildir flags in its file name, regardless of whether it
was in a maildir-like directory structure. This was asymmetric with
tag-to-flag synchronization, which only applied to messages in
directories named new/ and cur/ (introduced by 95dd5fe5).
This change makes our interpretation stricter and addresses this
asymmetry by only synchronizing flags to tags for messages in
directories named new/ or cur/. It also prepares us to treat messages
in new/ as maildir messages, even though they lack maildir flags.
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This way notmuch_message_maildir_flags_to_tags can call it. It makes
more sense for this to be just above all of the maildir
synchronization code rather than mixed in the middle.
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Previously, if passed a filename with a directory that did not exist
in the database, _notmuch_message_remove_filename would needlessly
create that directory document. Fix it so that doesn't happen.
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databases
Previously, _notmuch_database_filename_to_direntry would abort with an
internal error when called on a read-only database. Now that creating
the directory document is optional,
notmuch_database_find_message_by_filename can disable directory
document creation (as it should) and, as a result, not abort on
read-only databases.
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found
Using the new support from _notmuch_directory_create, this makes
notmuch_database_get_directory a read-only operation that simply
returns the directory object if it exists or NULL otherwise. This
also means that notmuch_database_get_directory can work on read-only
databases.
This change breaks the directory mtime workaround in notmuch-new.c by
fixing the exact issue it was working around. This permits mtime
update races to prevent scans of changed directories, which
non-deterministically breaks a few tests. The next patch fixes this.
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Now _notmuch_database_filename_to_direntry takes a flags argument and
can indicate if the necessary directory documents do not exist.
Again, callers have been updated, but retain their original behavior.
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Now _notmuch_database_find_directory_id takes a flags argument, which
it passes through to _notmuch_directory_create and can indicate if the
directory does not exist. Again, callers have been updated, but
retain their original behavior.
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Previously this function would create directory documents if they
didn't exist. As a result, it could only be used on writable
databases. This adds an argument to make creation optional and to
make this function work on read-only databases. We use a flag
argument to avoid a bare boolean and to permit future expansion.
Both callers have been updated, but currently retain the old behavior.
We'll take advantage of the new argument in the following patches.
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Previously, notmuch_database_get_directory had no way to indicate how
it had failed. This changes its prototype to return a status code and
set an out-argument to the retrieved directory, like similar functions
in the library API. This does *not* change its currently broken
behavior of creating directory objects when they don't exist, but it
does document it and paves the way for fixing this. Also, it can now
check for a read-only database and return
NOTMUCH_STATUS_READ_ONLY_DATABASE instead of crashing.
In the interest of atomicity, this also updates calls from the CLI so
that notmuch still compiles.
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We've changed the APIs of notmuch_database_open,
notmuch_database_create, and notmuch_database_close.
Amended by db: also bump string in bindings/python/notmuch/globals.py
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This is the notmuch_database_create equivalent of the previous change.
In this case, there were places where errors were not being propagated
correctly in notmuch_database_create or in calls to it. These have
been fixed, using the new status value.
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It has been a long-standing issue that notmuch_database_open doesn't
return any indication of why it failed. This patch changes its
prototype to return a notmuch_status_t and set an out-argument to the
database itself, like other functions that return both a status and an
object.
In the interest of atomicity, this also updates every use in the CLI
so that notmuch still compiles. Since this patch does not update the
bindings, the Python bindings test fails.
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Formerly notmuch_database_close closed the xapian database and
destroyed the talloc structure associated with the notmuch database
object. Split notmuch_database_close into notmuch_database_close and
notmuch_database_destroy.
This makes it possible for long running programs to close the xapian
database and thus release the lock associated with it without
destroying the data structures obtained from it.
This also makes the api more consistent since every other data
structure has a destructor function.
The comments in notmuch.h are a courtesy of Austin Clements.
Signed-off-by: Justus Winter <4winter@informatik.uni-hamburg.de>
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Implicit typecast from 'void *' to 'T *' is okay in C, but not in
C++. In talloc_steal, an explicit cast is provided for type safety in
some GCC versions. Otherwise, a cast is required. Provide a template
function for this to maintain type safety, and redefine talloc_steal
to use it.
The template must be outside the extern "C" block (NOTMUCH_BEGIN_DECLS
and NOTMUCH_END_DECLS), but keep it within the GCC visibility #pragma.
No functional changes, apart from making the library build with
compilers other than recent GCC.
Signed-off-by: Jani Nikula <jani@nikula.org>
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David Bremner
Jani Nikula
Felipe Contreras
Ben Gamari
Louis Rilling
Austin Clements
Mark Walters
Tomi Ollila
Aaron Ecay
Vladimir Marek
Adam Wolfe Gordon
Robert Mast
Amadeusz Żołnowski
Justus Winter
Sascha Silbe