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NEWS: Add notes for (imminent) notmuch 0.6 release
By skimming through "git log 0.5..origin/release" late at night. Hopefully everything here is accurate.
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Carl Worth
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344
NEWS
344
NEWS
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Notmuch 0.6 (2011-07-XX)
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=======================
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New, general features
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---------------------
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Folder-based searching
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Notmuch queries can now include a search term to match the
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directories in which mail files are stored (within the mail
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storage). The syntax is as follows:
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folder:<path>
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For example, one might use things such as:
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folder:spam
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folder:2011/06
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or anything else that matches directories within your mail storage.
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This feature is particularly useful for users of delivery-agent
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software (such as procmail or maildrop) that is filtering mail and
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delivering it to particular folders, or users of systems such as
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Gmail that use filesystem directories to indicate message tags.
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NOTE: Only messages that are newly indexed with this version of
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notmuch will be searchable with folder: terms. In order to enable
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this feature for all mail, the entire notmuch index will need to be
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rebuilt as follows:
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notmuch dump > notmuch.dump
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# Backup, then remove notmuch database ($MAIL/.notmuch)
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notmuch new
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notmuch restore notmuch.dump
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New, automatic tags: "signed" and "encrypted"
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These tags will automatically be applied to messages containing
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multipart/signed and multipart/encrypted parts.
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NOTE: Only messages that are newly indexed with this version of
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notmuch will receive these tags. In order to enable this feature for
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all mail, the entire notmuch index will need to be rebuilt (see
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above).
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New command-line features
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-------------------------
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Add new "notmuch show --verify" option for signature verification
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This option instruct notmuch to verify the signature of
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PGP/MIME-signed parts.
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Add new "notmuch show --decrypt" and "notmuch reply --decrypt" options
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This option instructs notmuch to decrypt PGP/MIME-encrypted parts.
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Proper nesting of multipart parts in "notmuch show" output
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MIME parts are now display with proper nesting to reflect original
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MIME hierarchy of a message. This allows clients to correctly
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analyze the MIME structure, (such as, for example, determining to
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which parts a signature part applies).
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Add new "notmuch show --part" option
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This is a replacement for the older "notmuch part" command, (which
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is now deprecated—it should still work as always, but is no longer
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documented). Putting part output under "notmuch show" allows for all
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of the "notmuch show" options to be applied when extracting a single
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part, (such as --format=json for extracting a message part with JSON
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formatting).
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Deprecate "notmuch search-tags", (in favor of "notmuch search --output=tags *")
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The "notmuch search-tags" sub-command has been redundant since the
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addition of the --output=tags option to "notmuch search". We now
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make that more clear by deprecating "notmuch search-tags", (dropping
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it from the documentation). We do continue to support the old syntax
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by translating it internally to the new call.
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Performance improvements
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------------------------
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Faster searches (by doing fewer serches to construct threads)
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Whenever a user asks for search results as threads, notmuch first
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performs a search for messages matching the query, then performs
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additional searches to find other messages in the resulting threads.
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Removing inefficiences and redundancies in these secondary searches
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results in a measured speedups of 1.5x for a typical search.
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Faster searches (by doing fewer passes to gather message data)
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Optimizing Xapian data access patterns (using a single pass to get
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all message-document data rather than a ps for each data type)
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results in a measured speedup of 1.7x for a typical search.
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The benefits of this optimization combine with the preceding
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optimization. With both in place, Austin Clements measured a speedup
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of 2.5x for a search of all messages in his inbox (was 4.5s, now
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1.8s). Thanks, Austin!
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Faster initial indexing
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More efficient indexing of new messages results in a measured
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speedup of 1.4x for the initial indexing of 3 GB of mail (1h 14m
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rather than 1h 46m). Thanks to Austin Clements and Michal Sojka.
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Make "notmuch new" faster for unchanged directories
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Optimizing to not do any further examinations of sub-directories
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when the filesystem indicates that a directory is unchanged from the
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last "notmuch new" results in measured speedups of 8.5 for the "No
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new mail" case, (was 0.77s, now 0.09s). Thanks to Austin Clements
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and Karel Zak.
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New emacs-interface features
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----------------------------
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Output of pipe command is now displayed if pipe command fails
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This is extremely useful in the common use case of piping a patch to
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"git am". If git fails to cleanly merge the patch the error messages
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from the failed merge are now clearly displayed to the user, (where
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previously they were silently hidden from the user).
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User-selectable From address
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A user can choose which configured email addresses should be used as
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the From address whenever composing a new message. To do so, simply
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press C-u before the command which will open a new message. Emacs
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will prompt for the from address to use.
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The user can customize the "Notmuch Identities" setting in the
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notmuch cutomize group in order to use addresses other than those in
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the notmuch configuration file if desired.
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The user can also choose to always be prompted for the from address
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when composing a new message (without having to use C-u) by setting
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the "Notmuch Always Prompt For Sender" option in the notmuch
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customize group.
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Automatic detection and hiding of original message in top-posted message
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When a message contains a line looking something like:
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----- Original Message -----
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emacs hides this and all subsequent lines as an "original message",
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(allowing the user to click or press enter on the "original message"
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button to display it again). This makes the handling of top-posted
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citations work much like conventional citations.
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New hooks for running code when tags are modified
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Some users want to perform additional actions whenever a particular
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tag is added/removed from a message. This could be used to, for
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example, interface with some external spam-recognition training
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tool. T facilitate this, two new hooks are added which can be
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modified in the following settings of the notmuch customize group:
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Notmuch Before Tag Hook
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Notmuch After Tag Hook
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New optional support for hiding some multipart/alternative parts
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Many emails are sent with redundant content within a
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multipart/alternative group (such as a text/plain part as well as a
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text/html part). Users can configure the setting:
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Notmuch Show All Multipart/Alternative Parts
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to "off" in the notmuch customize group to have the interface
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automatically hide some part alternatives (such as text/html
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parts). This new part hiding is not configured by default yet
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because there's not yet a simple way to re-display such a hidden
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part if it is not actually redundant with a displayed part.
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Better rendering of text/x-vcalendar parts
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These parts are now displayed in a format suitable for use with the
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emacs diary.
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Avoid getting confused by Subject and Author fields with newline characters
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Replacing all characters with ACII code less than 32 with a question mark.
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Cleaner display of From line in email messages (remove double quotes,
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and drop "name" if it's actually just a repeat of the email address).
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Vim interface improvements
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--------------------------
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Felipe Contreras provided a number of updates for the vim interface.
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Using sendmail directly rather than mailx,
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Implementing archive in show view
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Add support to mark as read in show and search views
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Add delete commands
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Various cleanups.
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Bindings improvements
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---------------------
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Ruby bindings are now much more complete
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Including QUERY.sort, QUERY.to_s, MESSAGE.maildir_flags_to_tags,
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MESSAGE.tags_to_maildir_flags, and MESSAGE.get_filenames
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Python bindings are now much more complete
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Including Message().get_filenames(),
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Message().tags_to_maildir_flags(), Threads().__nonzero__,
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Tags().__nonzero__()
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Also implement Message.__cmp__ and __hash__
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These allow, for example:
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if msg1 == msg2
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As well as set arithmetic on Messages():
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s1, s2= msgs1, msgs2
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s1.union(s2)
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s2 -= s1
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Added initial Go bindings in bindings/go
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New build-system features
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-------------------------
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Added support for building in a directory other than the source directory
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This can be used with the widely-supported idiom of simply running
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the configure script from some other directory:
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mkdir build
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cd build
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../configure
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make
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Fix to save configure options for future, implicit runs of configure
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When a user updates the source (such as with "git pull") calling
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"make" may cause an automatic re-run of the configure script. When
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this happens, the configure script will automatically be called with
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the same options the user originally passed in the most-recent
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manual invocation of configure.
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New test-suite feature
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----------------------
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Binary for bash for running test suite now located via PATH.
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The notmuch test suite requires a fairly recent version of bash (>=
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bash 4). As some systems supply an older version of bash at
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/bin/bash, the test suite is now updated to search $PATH to locate
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the bash binary. This allows users of systems with old /bin/bash to
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simply install bash >= 4 somwhere on $PATH before /bin and then use
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the test suite.
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Support for testing output with a trailing newline.
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Previously, some tests would fail to notice a difference in the
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presense/absence of a trailing newline in a program output, (which
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has led to bugs in the past). Now, carefully-written tests (using
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test_expect_equal_file rather than test_expect_equal) will detect
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any change in the presence/absence of a trailing newline. Many tests
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are updated to take advnatage of this.
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Avoiding accessing user's $HOME while running test suite
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The test suite now carefully creates its own HOME directory. This
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allows the test suite to be run with no existing HOME directory, (as
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some build systems apparently do), and avoids test-suite differences
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due to configuration files in the users HOME directory.
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General bug fixes
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-----------------
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Output *all* files for "notmuch search --output=files"
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For the cases where multiple files have the same Message ID,
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previous versions of notmuch would output only one such file. This
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command is now fixed to correctly output all files.
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Fixed spurious search results from "overlapped" indexing of addresses
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This fixed a bug where a search for:
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to:user@elsewhere.com
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would incorrectly match a message sent:
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To: user@example,com, someone@elsewhere.com
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Fix --output=json when search has no results
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A bug present since notmuch 0.4 had caused searches with no results
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to produce an invalid json object. This is now fixed to cleanly
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return a valid json object representing an empty array "[]" as
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expected.
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fix the automatic detection of the From address for "notmuch reply"
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from the Received headers in some cases.
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Fix core dump on DragonFlyBSD due to -1 return value from
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sysconf(_SC_GETPW_R_SIZE_MAX).
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Cleaned up several memory leaks
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Eliminated a few, rare segmentation faults and a double-free.
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Fix libnotmuch library to only export notmuch API functions
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Previous release of the notmuch library also exported some Xapian
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C++ exception type symbols. These were never part of the library
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interface and were never intented to be exported.
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Emacs-interface bug fixes
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-------------------------
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Display any unexpected output or errors from "notmuch search" invocations
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Previously any misformatted output or trailing error messages were
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silently ignored. This output is now clearly displayed. This fix was
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very helpful in identifying and fixing the bug decribed below.
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Fix bug where some threads would be missing from large search results
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When a search returned a "large" number of results, the emacs
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interface was incorrectly dropping one thread everytime the output
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of the "notmuch search" process spanned the emacss read-buffer. This
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is now fixed.
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Avoid rec-compression of .gz files (and similar) when saving attachment
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Emacs was being too clever for its own good and trying to
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re-compress pre-compressed .gz files when saving such attachments
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(potentially corrupting the attachment). The emacs interface is
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fixed to avoid this bug.
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Fix hiding of a message when a previously-hidden citation is visible
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Previously the citation would remain visible in this case. This is
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fixed so that hiding a message hides all parts.
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Notmuch 0.5 (2010-11-11)
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========================
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New, general features
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