mirror of
https://git.notmuchmail.org/git/notmuch
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409 lines
16 KiB
C
409 lines
16 KiB
C
/* notmuch - Not much of an email program, (just index and search)
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*
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* Copyright © 2009 Carl Worth
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* Copyright © 2009 Keith Packard
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see http://www.gnu.org/licenses/ .
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*
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* Authors: Carl Worth <cworth@cworth.org>
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* Keith Packard <keithp@keithp.com>
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*/
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#include "notmuch-client.h"
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typedef int (*command_function_t) (void *ctx, int argc, char *argv[]);
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typedef struct command {
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const char *name;
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command_function_t function;
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const char *arguments;
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const char *summary;
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const char *documentation;
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} command_t;
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static int
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notmuch_help_command (void *ctx, int argc, char *argv[]);
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static const char search_terms_help[] =
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"\t\tSeveral notmuch commands accept a comman syntax for search\n"
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"\t\tterms.\n"
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"\n"
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"\t\tThe search terms can consist of free-form text (and quoted\n"
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"\t\tphrases) which will match all messages that contain all of\n"
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"\t\tthe given terms/phrases in the body, the subject, or any of\n"
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"\t\tthe sender or recipient headers.\n"
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"\n"
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"\t\tIn addition to free text, the following prefixes can be used\n"
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"\t\tto force terms to match against specific portions of an email,\n"
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"\t\t(where <brackets> indicate user-supplied values):\n"
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"\n"
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"\t\t\tfrom:<name-or-address>\n"
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"\t\t\tto:<name-or-address>\n"
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"\t\t\tsubject:<word-or-quoted-phrase>\n"
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"\t\t\tattachment:<word>\n"
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"\t\t\ttag:<tag>\n"
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"\t\t\tid:<message-id>\n"
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"\t\t\tthread:<thread-id>\n"
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"\n"
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"\t\tThe from: prefix is used to match the name or address of\n"
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"\t\tthe sender of an email message.\n"
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"\n"
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"\t\tThe to: prefix is used to match the names or addresses of\n"
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"\t\tany recipient of an email message, (whether To, Cc, or Bcc).\n"
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"\n"
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"\t\tAny term prefixed with subject: will match only text from\n"
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"\t\tthe subject of an email. Quoted phrases are supported when\n"
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"\t\tsearching with: subject:\"this is a phrase\".\n"
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"\n"
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"\t\tFor tag:, valid tag values include \"inbox\" and \"unread\"\n"
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"\t\tby default for new messages added by \"notmuch new\" as well\n"
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"\t\tas any other tag values added manually with \"notmuch tag\".\n"
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"\n"
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"\t\tFor id:, message ID values are the literal contents of the\n"
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"\t\tMessage-ID: header of email messages, but without the '<','>'\n"
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"\t\tdelimiters.\n"
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"\n"
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"\t\tThe thread: prefix can be used with the thread ID values that\n"
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"\t\tare generated internally by notmuch (and do not appear in email\n"
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"\t\tmessages). These thread ID values can be seen in the first\n"
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"\t\tcolumn of output from \"notmuch search\".\n"
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"\n"
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"\t\tIn addition to individual terms, multiple terms can be\n"
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"\t\tcombined with Boolean operators (\"and\", \"or\", \"not\", etc.).\n"
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"\t\tEach term in the query will be implicitly connected by a\n"
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"\t\tlogical AND if no explicit operator is provided, (except\n"
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"\t\tthat terms with a common prefix will be implicitly combined\n"
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"\t\twith OR until we get Xapian defect #402 fixed).\n"
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"\n"
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"\t\tParentheses can also be used to control the combination of\n"
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"\t\tthe Boolean operators, but will have to be protected from\n"
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"\t\tinterpretation by the shell, (such as by putting quotation\n"
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"\t\tmarks around any parenthesized expression).\n\n";
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command_t commands[] = {
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{ "setup", notmuch_setup_command,
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NULL,
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"Interactively setup notmuch for first use.",
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"\t\tThe setup command will prompt for your full name, your primary\n"
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"\t\temail address, any alternate email addresses you use, and the\n"
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"\t\tdirectory containing your email archives. Your answers will be\n"
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"\t\twritten to a configuration file in ${HOME}/.notmuch-config .\n"
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"\n"
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"\t\tThis configuration file will be created with descriptive\n"
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"\t\tcomments, making it easy to edit by hand later to change the\n"
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"\t\tconfiguration. Or you can run \"notmuch setup\" again.\n"
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"\n"
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"\t\tInvoking notmuch with no command argument will run setup if\n"
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"\t\tthe setup command has not previously been completed." },
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{ "new", notmuch_new_command,
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NULL,
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"Find and import new messages to the notmuch database.",
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"\t\tScans all sub-directories of the mail directory, performing\n"
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"\t\tfull-text indexing on new messages that are found. Each new\n"
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"\t\tmessage will be tagged as both \"inbox\" and \"unread\".\n"
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"\n"
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"\t\tYou should run \"notmuch new\" once after first running\n"
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"\t\t\"notmuch setup\" to create the initial database. The first\n"
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"\t\trun may take a long time if you have a significant amount of\n"
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"\t\tmail (several hundred thousand messages or more).\n"
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"\n"
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"\t\tSubsequently, you should run \"notmuch new\" whenever new mail\n"
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"\t\tis delivered and you wish to incorporate it into the database.\n"
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"\t\tThese subsequent runs will be much quicker than the initial run.\n"
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"\n"
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"\t\tNote: \"notmuch new\" runs (other than the first run) will\n"
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"\t\tskip any read-only directories, so you can use that to mark\n"
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"\t\tdirectories that will not receive any new mail (and make\n"
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"\t\t\"notmuch new\" even faster).\n"
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"\n"
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"\t\tInvoking notmuch with no command argument will run new if\n"
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"\t\tthe setup command has previously been completed, but new has\n"
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"\t\tnot previously been run." },
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{ "search", notmuch_search_command,
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"[options...] <search-terms> [...]",
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"\t\tSearch for messages matching the given search terms.",
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"\t\tNote that the individual mail messages will be matched\n"
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"\t\tagainst the search terms, but the results will be the\n"
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"\t\tthreads (one per line) containing the matched messages.\n"
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"\n"
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"\t\tSupported options for search include:\n"
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"\n"
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"\t\t--max-threads=<value>\n"
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"\n"
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"\t\t\tRestricts displayed search results to a subset\n"
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"\t\t\tof the results that would match the terms.\n"
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"\n"
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"\t\t--first=<value>\n"
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"\n"
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"\t\t\tOmits the first <value> threads from the search\n"
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"\t\t\tresults that would otherwise be displayed.\n"
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"\n"
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"\t\t--sort=(newest-first|oldest-first)\n"
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"\n"
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"\t\t\tPresent results in either chronological order\n"
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"\t\t\t(oldest-first) or reverse chronological order\n"
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"\t\t\t(newest-first), which is the default.\n"
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"\n"
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"\t\tSee \"notmuch help search-terms\" for details of the search\n"
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"\t\tterms syntax." },
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{ "show", notmuch_show_command,
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"<search-terms> [...]",
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"\t\tShow all messages matching the search terms.",
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"\t\tThe messages are grouped and sorted based on the threading\n"
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"\t\t(all replies to a particular message appear immediately\n"
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"\t\tafter that message in date order).\n"
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"\n"
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"\t\tThe output format is plain-text, with all text-content\n"
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"\t\tMIME parts decoded. Various components in the output,\n"
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"\t\t('message', 'header', 'body', 'attachment', and MIME 'part')\n"
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"\t\tare delimited by easily-parsed markers. Each marker consists\n"
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"\t\tof a Control-L character (ASCII decimal 12), the name of\n"
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"\t\tthe marker, and then either an opening or closing brace,\n"
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"\t\t'{' or '}' to either open or close the component.\n"
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"\n"
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"\t\tA common use of \"notmuch show\" is to display a single\n"
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"\t\tthread of email messages. For this, use a search term of\n"
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"\t\t\"thread:<thread-id>\" as can be seen in the first column\n"
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"\t\tof output from the \"notmuch search\" command.\n"
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"\n"
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"\t\tSee \"notmuch help search-terms\" for details of the search\n"
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"\t\tterms syntax." },
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{ "reply", notmuch_reply_command,
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"<search-terms> [...]",
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"\t\tConstruct a reply template for a set of messages.",
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"\t\tConstructs a new message as a reply to a set of existing\n"
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"\t\tmessages. The Reply-To: header (if any, otherwise From:) is\n"
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"\t\tused for the To: address. The To: and Cc: headers are copied,\n"
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"\t\tbut not including any of the user's configured addresses.\n"
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"\n"
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"\t\tA suitable subject is constructed. The In-Reply-to: and\n"
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"\t\tReferences: headers are set appropriately, and the content\n"
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"\t\tof the original messages is quoted and included in the body.\n"
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"\n"
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"\t\tThe resulting message template is output to stdout.\n"
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"\n"
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"\t\tSee \"notmuch help search-terms\" for details of the search\n"
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"\t\tterms syntax." },
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{ "tag", notmuch_tag_command,
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"+<tag>|-<tag> [...] [--] <search-terms> [...]",
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"\t\tAdd/remove tags for all messages matching the search terms.",
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"\t\tThe search terms are handled exactly as in 'search' so one\n"
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"\t\tcan use that command first to see what will be modified.\n"
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"\n"
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"\t\tTags prefixed by '+' are added while those prefixed by\n"
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"\t\t'-' are removed. For each message, tag removal is performed\n"
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"\t\tbefore tag addition.\n"
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"\n"
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"\t\tThe beginning of <search-terms> is recognized by the first\n"
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"\t\targument that begins with neither '+' nor '-'. Support for\n"
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"\t\tan initial search term beginning with '+' or '-' is provided\n"
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"\t\tby allowing the user to specify a \"--\" argument to separate\n"
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"\t\tthe tags from the search terms.\n"
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"\n"
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"\t\tSee \"notmuch help search-terms\" for details of the search\n"
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"\t\tterms syntax." },
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{ "dump", notmuch_dump_command,
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"[<filename>]",
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"\t\tCreate a plain-text dump of the tags for each message.",
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"\t\tOutput is to the given filename, if any, or to stdout.\n"
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"\t\tThese tags are the only data in the notmuch database\n"
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"\t\tthat can't be recreated from the messages themselves.\n"
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"\t\tThe output of notmuch dump is therefore the only\n"
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"\t\tcritical thing to backup (and much more friendly to\n"
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"\t\tincremental backup than the native database files.)" },
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{ "restore", notmuch_restore_command,
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"<filename>",
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"\t\tRestore the tags from the given dump file (see 'dump').",
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"\t\tNote: The dump file format is specifically chosen to be\n"
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"\t\tcompatible with the format of files produced by sup-dump.\n"
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"\t\tSo if you've previously been using sup for mail, then the\n"
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"\t\t\"notmuch restore\" command provides you a way to import\n"
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"\t\tall of your tags (or labels as sup calls them)." },
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{ "help", notmuch_help_command,
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"[<command>]",
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"\t\tThis message, or more detailed help for the named command.",
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"\t\tExcept in this case, where there's not much more detailed\n"
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"\t\thelp available." }
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};
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static void
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usage (FILE *out)
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{
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command_t *command;
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unsigned int i;
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fprintf (out, "Usage: notmuch <command> [args...]\n");
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fprintf (out, "\n");
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fprintf (out, "Where <command> and [args...] are as follows:\n");
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fprintf (out, "\n");
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for (i = 0; i < ARRAY_SIZE (commands); i++) {
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command = &commands[i];
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if (command->arguments)
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fprintf (out, "\t%s\t%s\n\n%s\n\n",
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command->name, command->arguments, command->summary);
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else
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fprintf (out, "\t%s\t%s\n\n",
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command->name, command->summary);
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}
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fprintf (out,
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"Use \"notmuch help <command>\" for more details on each command.\n"
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"And \"notmuch help search-terms\" for the common search-terms syntax.\n\n");
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}
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static int
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notmuch_help_command (unused (void *ctx), int argc, char *argv[])
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{
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command_t *command;
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unsigned int i;
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if (argc == 0) {
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printf ("The notmuch mail system.\n\n");
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usage (stdout);
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return 0;
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}
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for (i = 0; i < ARRAY_SIZE (commands); i++) {
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command = &commands[i];
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if (strcmp (argv[0], command->name) == 0) {
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printf ("Help for \"notmuch %s\":\n\n", argv[0]);
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if (command->arguments)
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printf ("\t%s\t%s\n\n%s\n\n%s\n\n",
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command->name, command->arguments,
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command->summary, command->documentation);
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else
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printf ("\t%s\t%s\n\n%s\n\n", command->name,
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command->summary, command->documentation);
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return 0;
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}
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}
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if (strcmp (argv[0], "search-terms") == 0) {
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printf ("Help for <%s>\n\n", argv[0]);
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for (i = 0; i < ARRAY_SIZE (commands); i++) {
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command = &commands[i];
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if (command->arguments &&
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strstr (command->arguments, "search-terms"))
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{
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printf ("\t%s\t%s\n",
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command->name, command->arguments);
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}
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}
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printf ("\n");
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printf (search_terms_help);
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return 0;
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}
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fprintf (stderr,
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"\nSorry, %s is not a known command. There's not much I can do to help.\n\n",
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argv[0]);
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return 1;
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}
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/* Handle the case of "notmuch" being invoked with no command
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* argument. For now we just call notmuch_setup_command, but we plan
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* to be more clever about this in the future.
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*/
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static int
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notmuch (void *ctx)
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{
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notmuch_config_t *config;
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notmuch_bool_t is_new;
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char *db_path;
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struct stat st;
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config = notmuch_config_open (ctx, NULL, &is_new);
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/* If the user has never configured notmuch, then run
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* notmuch_setup_command which will give a nice welcome message,
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* and interactively guide the user through the configuration. */
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if (is_new) {
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notmuch_config_close (config);
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return notmuch_setup_command (ctx, 0, NULL);
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}
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/* Notmuch is already configured, but is there a database? */
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db_path = talloc_asprintf (ctx, "%s/%s",
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notmuch_config_get_database_path (config),
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".notmuch");
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if (stat (db_path, &st)) {
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notmuch_config_close (config);
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if (errno != ENOENT) {
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fprintf (stderr, "Error looking for notmuch database at %s: %s\n",
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db_path, strerror (errno));
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return 1;
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}
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printf ("Notmuch is configured, but there's not yet a database at\n\n\t%s\n\n",
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db_path);
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printf ("You probably want to run \"notmuch new\" now to create that database.\n\n"
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"Note that the first run of \"notmuch new\" can take a very long time\n"
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"and that the resulting database will use roughly the same amount of\n"
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"storage space as the email being indexed.\n\n");
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return 0;
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}
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printf ("Notmuch is configured and appears to have a database. Excellent!\n\n"
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"At this point you can start exploring the functionality of notmuch by\n"
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"using commands such as:\n\n"
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"\tnotmuch search tag:inbox\n\n"
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"\tnotmuch search to:\"%s\"\n\n"
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"\tnotmuch search from:\"%s\"\n\n"
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"\tnotmuch search subject:\"my favorite things\"\n\n"
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"See \"notmuch help search\" for more details.\n\n"
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"You can also use \"notmuch show\" with any of the thread IDs resulting\n"
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"from a search. Finally, you may want to explore using a more sophisticated\n"
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"interface to notmuch such as the emacs interface implemented in notmuch.el\n"
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"or any other interface described at http://notmuchmail.org\n\n"
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"And don't forget to run \"notmuch new\" whenever new mail arrives.\n\n"
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"Have fun, and may your inbox never have much mail.\n\n",
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notmuch_config_get_user_name (config),
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notmuch_config_get_user_primary_email (config));
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notmuch_config_close (config);
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return 0;
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}
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int
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main (int argc, char *argv[])
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{
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void *local;
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command_t *command;
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unsigned int i;
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local = talloc_new (NULL);
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g_mime_init (0);
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if (argc == 1)
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return notmuch (local);
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for (i = 0; i < ARRAY_SIZE (commands); i++) {
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command = &commands[i];
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if (strcmp (argv[1], command->name) == 0)
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return (command->function) (local, argc - 2, &argv[2]);
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}
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fprintf (stderr, "Error: Unknown command '%s' (see \"notmuch help\")\n",
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argv[1]);
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talloc_free (local);
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return 1;
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}
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