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37 id 1Nm9Gi-0005Ax-CD; Mon, 01 Mar 2010 18:18:56 +0100
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38 From: Michal Sojka <sojkam1@fel.cvut.cz>
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39 To: Ben Gamari <bgamari@gmail.com>, notmuch <notmuch@notmuchmail.org>
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40 In-Reply-To: <1267459947-sup-6640@ben-laptop>
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41 References: <87pr57jvkz.fsf@SSpaeth.de> <87wry2wl7p.fsf@yoom.home.cworth.org>
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42 <87ljecmnbd.fsf@steelpick.localdomain> <1267459947-sup-6640@ben-laptop>
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43 Date: Mon, 01 Mar 2010 18:18:55 +0100
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44 Message-ID: <87bpf82c5c.fsf@steelpick.localdomain>
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47 Subject: Re: [notmuch] Introducing notmuchsync
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62 On Mon, 01 Mar 2010 11:27:07 -0500, Ben Gamari <bgamari@gmail.com> wrote:
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63 > > 2. get the list of new mails which need to be indexed
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64 > > (current notmuch does recursive file traversal, for git-based store
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65 > > it will be something like system("git diff-tree --name-status ...")
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67 > Is this really necessary? Another option (which I believe has been
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68 > mentioned here in the past) is to simply pass notmuch new a list of
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69 > message "paths" to add (although I'm not sure if many mail delivery
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70 > programs give you that sort of information).
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72 This could also be possible, but now, you say "notmuch new" and notmuch
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73 itself figure out what to index. If passing notmuch a list on files to
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74 index will be the only supported way, it might be hard for new users to
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75 start with notmuch. A nice thing on notmuch is that it can be used
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76 almost without any configuration.
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78 > How do you propose that the backends keep track of what mail has been
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81 For example by using Xapian metadata:
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82 notmuch->xapian_db->set_metadata ("git-head", sha1);
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84 > > Now, if we have this, it would be very easy to add support for
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85 > > Maildir-based mail-store. The implementation of the first two methods
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86 > > would be the same as what is currently in notmuch and the third method
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87 > > would rename files in mailstore if certain tags (such as unread) are
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88 > > added or removed. In case of rename, notmuch database would be
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89 > > immediately updated to reflect the change.
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91 > The interface here seems a little vague. How would the backend notify
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92 > notmuch that the filename has changed?
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96 The idea is that tags changed by notmuch are stored immediately (and
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97 database is updated accordingly), whereas when the mail store is changed
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98 by an external tool, you must explicitly ask notmuch to notice that.
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100 > > So to summarize, I think there should be an abstract layer for
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101 > > handling different types of mail-store. I can see at least three
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102 > > possible implementations of this abstract interface: 1) immutable
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103 > > mail-store (as currently implemented in notmuch) 2) Maildir-based
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104 > > mail-store for limited synchronization with other Maildir tools and
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105 > > 3) git-based mail-store for full synchronization.
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107 > Don't forget mbox. It seems like it would be pretty trivial to
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108 > implement (although I'm not sure what performance would look like).
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110 I personally do not use mboxes, so I'm not interested in them.
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112 > > I've already started working on this, but I'm still in the state where I
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113 > > mainly study how notmuch works in order not to break its current
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116 > With all of this infrastructure, it seems like it wouldn't be too
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117 > difficult to support messages from multiple backends in a single index.
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118 > Not sure if people would be interested enough to warrant the added
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119 > complexity though.
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121 I'm currently not interested in such a functionality, but we can add it
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122 later if there is a need.
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projects / notmuch-archives.git / blob