notmuch release 0.6 now available
David Bremner
david at tethera.net
Fri Jul 1 13:33:14 PDT 2011
Where to obtain notmuch 0.6
===========================
http://notmuchmail.org/releases/notmuch-0.6.tar.gz
Which can be verified with:
http://notmuchmail.org/releases/notmuch-0.6.tar.gz.sha1
640cde96ea616d6bb9b6ab2a486dfb4f149199a3 notmuch-0.6.tar.gz
http://notmuchmail.org/releases/notmuch-0.6.tar.gz.sha1.asc
(signed by David Bremner)
What's new in notmuch 0.6
=========================
New, general features
---------------------
Folder-based searching
Notmuch queries can now include a search term to match the
directories in which mail files are stored (within the mail
storage). The syntax is as follows:
folder:<path>
For example, one might use things such as:
folder:spam
folder:2011-*
folder:work/todo
to match any path containing a directory "spam", "work/todo", or
containing a directory starting with "2011-", respectively.
This feature is particularly useful for users of delivery-agent
software (such as procmail or maildrop) that is filtering mail and
delivering it to particular folders, or users of systems such as
Gmail that use filesystem directories to indicate message tags.
NOTE: Only messages that are newly indexed with this version of
notmuch will be searchable with folder: terms. In order to enable
this feature for all mail, the entire notmuch index will need to be
rebuilt as follows:
notmuch dump > notmuch.dump
# Backup, then remove notmuch database ($MAIL/.notmuch)
notmuch new
notmuch restore notmuch.dump
Support for PGP/MIME
Both the command line interface and the emacs-interface have new
support for PGP/MIME, detailed below. Thanks to Daniel Kahn Gillmor
and Jameson Graef Rollins for making this happen.
New, automatic tags: "signed" and "encrypted"
These tags will automatically be applied to messages containing
multipart/signed and multipart/encrypted parts.
NOTE: Only messages that are newly indexed with this version of
notmuch will receive these tags.
New command-line features
-------------------------
Add new "notmuch show --verify" option for signature verification
This option instruct notmuch to verify the signature of
PGP/MIME-signed parts.
Add new "notmuch show --decrypt" and "notmuch reply --decrypt" options
This option instructs notmuch to decrypt PGP/MIME-encrypted parts.
Note that this feature currently requires gpg-agent and a passphrase entry
tool (e.g. pinentry-gtk or pinentry-curses).
Proper nesting of multipart parts in "notmuch show" output
MIME parts are now display with proper nesting to reflect original
MIME hierarchy of a message. This allows clients to correctly
analyze the MIME structure, (such as, for example, determining to
which parts a signature part applies).
Add new "notmuch show --part" option
This is a replacement for the older "notmuch part" command, (which
is now deprecated—it should still work as always, but is no longer
documented). Putting part output under "notmuch show" allows for all
of the "notmuch show" options to be applied when extracting a single
part, (such as --format=json for extracting a message part with JSON
formatting).
Deprecate "notmuch search-tags", (in favor of "notmuch search --output=tags *")
The "notmuch search-tags" sub-command has been redundant since the
addition of the --output=tags option to "notmuch search". We now
make that more clear by deprecating "notmuch search-tags", (dropping
it from the documentation). We do continue to support the old syntax
by translating it internally to the new call.
Performance improvements
------------------------
Faster searches (by doing fewer searches to construct threads)
Whenever a user asks for search results as threads, notmuch first
performs a search for messages matching the query, then performs
additional searches to find other messages in the resulting threads.
Removing inefficiencies and redundancies in these secondary searches
results in a measured speedups of 1.5x for a typical search.
Faster searches (by doing fewer passes to gather message data)
Optimizing Xapian data access patterns (using a single pass to get
all message-document data rather than a pass for each data type)
results in a measured speedup of 1.7x for a typical search.
The benefits of this optimization combine with the preceding
optimization. With both in place, Austin Clements measured a speedup
of 2.5x for a search of all messages in his inbox (was 4.5s, now
1.8s). Thanks, Austin!
Faster initial indexing
More efficient indexing of new messages results in a measured
speedup of 1.4x for the initial indexing of 3 GB of mail (1h 14m
rather than 1h 46m). Thanks to Austin Clements and Michal Sojka.
Make "notmuch new" faster for unchanged directories
Optimizing to not do any further examinations of sub-directories
when the filesystem indicates that a directory is unchanged from the
last "notmuch new" results in measured speedups of 8.5 for the "No
new mail" case, (was 0.77s, now 0.09s). Thanks to Karel Zak.
New emacs-interface features
----------------------------
Support for PGP/MIME (GnuPG)
Automatically indicate validity of signatures for multipart/signed
messages. Automatically display decrypted content for
multipart/encrypted messages. See the emacs variable
notmuch-crypto-process-mime for more information. Note that this
needs gpg-agent and a pinentry tool just as the command line tools.
Also note there is no support SMIME yet.
Output of pipe command is now displayed if pipe command fails
This is extremely useful in the common use case of piping a patch to
"git am". If git fails to cleanly merge the patch the error messages
from the failed merge are now clearly displayed to the user, (where
previously they were silently hidden from the user).
User-selectable From address
A user can choose which configured email addresses should be used as
the From address whenever composing a new message. To do so, simply
press C-u before the command which will open a new message. Emacs
will prompt for the from address to use.
The user can customize the "Notmuch Identities" setting in the
notmuch customize group in order to use addresses other than those in
the notmuch configuration file if desired.
The user can also choose to always be prompted for the from address
when composing a new message (without having to use C-u) by setting
the "Notmuch Always Prompt For Sender" option in the notmuch
customize group.
Hiding of repeated subjects in collapsed thread view
In notmuch-show mode, if a collapsed message has the same subject as
its parent, the subject is not shown.
Automatic detection and hiding of original message in top-posted message
When a message contains a line looking something like:
----- Original Message -----
emacs hides this and all subsequent lines as an "original message",
(allowing the user to click or press enter on the "original message"
button to display it again). This makes the handling of top-posted
citations work much like conventional citations.
New hooks for running code when tags are modified
Some users want to perform additional actions whenever a particular
tag is added/removed from a message. This could be used to, for
example, interface with some external spam-recognition training
tool. To facilitate this, two new hooks are added which can be
modified in the following settings of the notmuch customize group:
Notmuch Before Tag Hook
Notmuch After Tag Hook
New optional support for hiding some multipart/alternative parts
Many emails are sent with redundant content within a
multipart/alternative group (such as a text/plain part as well as a
text/html part). Users can configure the setting:
Notmuch Show All Multipart/Alternative Parts
to "off" in the notmuch customize group to have the interface
automatically hide some part alternatives (such as text/html
parts). This new part hiding is not configured by default yet
because there's not yet a simple way to re-display such a hidden
part if it is not actually redundant with a displayed part.
Better rendering of text/x-vcalendar parts
These parts are now displayed in a format suitable for use with the
emacs diary.
Avoid getting confused by Subject and Author fields with newline characters
Replacing all characters with ASCII code less than 32 with a question mark.
Cleaner display of From line in email messages (remove double quotes,
and drop "name" if it's actually just a repeat of the email address).
Vim interface improvements
--------------------------
Felipe Contreras provided a number of updates for the vim interface:
* Using sendmail directly rather than mailx,
* Implementing archive in show view
* Add support to mark as read in show and search views
* Add delete commands
* Various cleanups.
Bindings improvements
---------------------
Ruby bindings are now much more complete
Including QUERY.sort, QUERY.to_s, MESSAGE.maildir_flags_to_tags,
MESSAGE.tags_to_maildir_flags, and MESSAGE.get_filenames
* Python bindings have been upodated and extended
(docs online at http://packages.python.org/notmuch/)
New bindings:
- Message().get_filenames(),
- Message().tags_to_maildir_flags(),Message().maildir_flags_to_tags()
- list(Threads()) and list(Messages) works now
- Message().__cmp__() and __hash__()
These allow, for example:
if msg1 == msg2: ...
As well as set arithmetic on Messages():
s1, s2= set(msgs1), set(msgs2)
s1.union(s2)
s2 -= s1
Removed:
- len(Messages()) as it exausted the iterator.
Use len(list(Messages())) or
Query.count_messages() to get the length.
Added initial Go bindings in bindings/go
New build-system features
-------------------------
Added support for building in a directory other than the source directory
This can be used with the widely-supported idiom of simply running
the configure script from some other directory:
mkdir build
cd build
../configure
make
Fix to save configure options for future, implicit runs of configure
When a user updates the source (such as with "git pull") calling
"make" may cause an automatic re-run of the configure script. When
this happens, the configure script will automatically be called with
the same options the user originally passed in the most-recent
manual invocation of configure.
New test-suite feature
----------------------
Binary for bash for running test suite now located via PATH.
The notmuch test suite requires a fairly recent version of bash (>=
bash 4). As some systems supply an older version of bash at
/bin/bash, the test suite is now updated to search $PATH to locate
the bash binary. This allows users of systems with old /bin/bash to
simply install bash >= 4 somewhere on $PATH before /bin and then use
the test suite.
Support for testing output with a trailing newline.
Previously, some tests would fail to notice a difference in the
presence/absence of a trailing newline in a program output, (which
has led to bugs in the past). Now, carefully-written tests (using
test_expect_equal_file rather than test_expect_equal) will detect
any change in the presence/absence of a trailing newline. Many tests
are updated to take advantage of this.
Avoiding accessing user's $HOME while running test suite
The test suite now carefully creates its own HOME directory. This
allows the test suite to be run with no existing HOME directory, (as
some build systems apparently do), and avoids test-suite differences
due to configuration files in the users HOME directory.
General bug fixes
-----------------
Output *all* files for "notmuch search --output=files"
For the cases where multiple files have the same Message ID,
previous versions of notmuch would output only one such file. This
command is now fixed to correctly output all files.
Fixed spurious search results from "overlapped" indexing of addresses
This fixed a bug where a search for:
to:user at elsewhere.com
would incorrectly match a message sent:
To: user at example,com, someone at elsewhere.com
Fix --output=json when search has no results
A bug present since notmuch 0.4 had caused searches with no results
to produce an invalid json object. This is now fixed to cleanly
return a valid json object representing an empty array "[]" as
expected.
fix the automatic detection of the From address for "notmuch reply"
From the Received headers in some cases.
Fix core dump on DragonFlyBSD due to -1 return value from
sysconf(_SC_GETPW_R_SIZE_MAX).
Cleaned up several memory leaks
Eliminated a few, rare segmentation faults and a double-free.
Fix libnotmuch library to only export notmuch API functions
Previous release of the notmuch library also exported some Xapian
C++ exception type symbols. These were never part of the library
interface and were never intended to be exported.
Emacs-interface bug fixes
-------------------------
Display any unexpected output or errors from "notmuch search" invocations
Previously any misformatted output or trailing error messages were
silently ignored. This output is now clearly displayed. This fix was
very helpful in identifying and fixing the bug described below.
Fix bug where some threads would be missing from large search results
When a search returned a "large" number of results, the emacs
interface was incorrectly dropping one thread every time the output
of the "notmuch search" process spanned the emacs read-buffer. This
is now fixed.
Avoid re-compression of .gz files (and similar) when saving attachment
Emacs was being too clever for its own good and trying to
re-compress pre-compressed .gz files when saving such attachments
(potentially corrupting the attachment). The emacs interface is
fixed to avoid this bug.
Fix hiding of a message when a previously-hidden citation is visible
Previously the citation would remain visible in this case. This is
fixed so that hiding a message hides all parts.
What is notmuch
===============
Notmuch is a system for indexing, searching, reading, and tagging
large collections of email messages in maildir or mh format. It uses
the Xapian library to provide fast, full-text search with a convenient
search syntax.
For more about notmuch, see http://notmuchmail.org
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