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https://git.notmuchmail.org/git/notmuch
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Start a new top-level executable: notmuch.
Of course, there's not much that this program does yet. It's got some structure for some sub-commands that don't do anything. And it has a main command that prints some explanatory text and then counts all the regular files in your mail archive.
This commit is contained in:
Carl Worth
parent
9c3807e688
commit
36640b303e
2 changed files with 273 additions and 2 deletions
8
Makefile
8
Makefile
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@ -1,11 +1,15 @@
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PROGS=notmuch-index-message xapian-dump
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PROGS=notmuch notmuch-index-message xapian-dump
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MYCFLAGS=-Wall -O0 -g
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MYCXXFLAGS=-Wall -O0 -g
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all: $(PROGS)
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notmuch: notmuch.c
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$(CC) $(CFLAGS) $(MYCFLAGS) notmuch.c `pkg-config --cflags --libs glib-2.0` -o notmuch
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notmuch-index-message: notmuch-index-message.cc
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$(CC) $(CXXFLAGS) $(MYCXXFLAGS) notmuch-index-message.cc `pkg-config --cflags --libs gmime-2.4` `xapian-config --cxxflags --libs` -o notmuch-index-message
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$(CXX) $(CXXFLAGS) $(MYCXXFLAGS) notmuch-index-message.cc `pkg-config --cflags --libs gmime-2.4` `xapian-config --cxxflags --libs` -o notmuch-index-message
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xapian-dump: xapian-dump.cc
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$(CXX) $(CXXFLAGS) $(MYCXXFLAGS) xapian-dump.cc `xapian-config --libs --cxxflags` -o xapian-dump
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267
notmuch.c
Normal file
267
notmuch.c
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@ -0,0 +1,267 @@
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/* 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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*
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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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* Author: Carl Worth <cworth@cworth.org>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <dirent.h>
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#include <errno.h>
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#include <glib.h>
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#define ARRAY_SIZE(arr) (sizeof (arr) / sizeof (arr[0]))
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typedef int (*command_function_t) (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 *usage;
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} command_t;
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/* Read a line from stdin, without any line-terminator character. The
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* return value is a newly allocated string. The caller should free()
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* the string when finished with it.
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*
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* This function returns NULL if EOF is encountered before any
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* characters are input (otherwise it returns those characters).
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*/
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char *
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read_line (void)
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{
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char *result = NULL;
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GError *error = NULL;
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GIOStatus g_io_status;
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gsize length;
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GIOChannel *channel = g_io_channel_unix_new (fileno (stdin));
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g_io_status = g_io_channel_read_line (channel, &result,
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&length, NULL, &error);
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if (g_io_status == EOF)
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goto DONE;
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if (g_io_status != G_IO_STATUS_NORMAL) {
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fprintf(stderr, "Read error: %s\n", error->message);
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exit (1);
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}
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if (length && result[length - 1] == '\n')
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result[length - 1] = '\0';
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DONE:
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g_io_channel_unref (channel);
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return result;
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}
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/* Recursively count all regular files in path and all sub-direcotries
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* of path. The result is added to *count (which should be
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* initialized to zero by the top-level caller before calling
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* count_files). */
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void
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count_files (const char *path, int *count)
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{
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DIR *dir;
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struct dirent *entry, *e;
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int entry_length;
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int err;
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char *next;
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struct stat st;
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dir = opendir (path);
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if (dir == NULL) {
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fprintf (stderr, "Warning: failed to open directory %s: %s\n",
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path, strerror (errno));
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return;
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}
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entry_length = offsetof (struct dirent, d_name) +
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pathconf (path, _PC_NAME_MAX) + 1;
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entry = malloc (entry_length);
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while (1) {
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err = readdir_r (dir, entry, &e);
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if (err) {
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fprintf (stderr, "Error reading directory: %s\n",
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strerror (errno));
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free (entry);
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return;
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}
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if (e == NULL)
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break;
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/* Skip these special directories to avoid infinite recursion. */
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if (strcmp (entry->d_name, ".") == 0 ||
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strcmp (entry->d_name, "..") == 0)
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{
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continue;
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}
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next = g_strdup_printf ("%s/%s", path, entry->d_name);
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stat (next, &st);
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if (S_ISREG (st.st_mode))
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*count = *count + 1;
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else if (S_ISDIR (st.st_mode))
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count_files (next, count);
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if (*count % 1000 == 0) {
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printf ("Found %d files so far.\r", *count);
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fflush (stdout);
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}
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free (next);
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}
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free (entry);
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closedir (dir);
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}
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int
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setup_command (int argc, char *argv[])
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{
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char *mail_directory;
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int count;
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printf ("Welcome to notmuch!\n\n");
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printf ("The goal of notmuch is to help you manage and search your collection of\n"
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"email, and to efficiently keep up with the flow of email as it comes in.\n\n");
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printf ("Notmuch needs to know the top-level directory of your email archive,\n"
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"(where you already have mail stored and where messages will be delivered\n"
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"in the future). This directory can contain any number of sub-directories\n"
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"but the only files it contains should be individual email messages.\n"
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"Either maildir or mh format directories are fine, but you will want to\n"
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"move away any auxiliary files maintained by other email programs.\n\n");
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printf ("Mail storage that uses mbox format, (where one mbox file contains many\n"
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"messages), will not work with notmuch. If that's how your mail is currently\n"
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"stored, we recommend you first convert it to maildir format with a utility\n"
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"such as mb2md. In that case, press Control-C now and run notmuch again\n"
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"once the conversion is complete.\n\n");
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printf ("Top-level mail directory [~/mail]: ");
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fflush (stdout);
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mail_directory = read_line ();
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if (mail_directory == NULL || strlen (mail_directory) == 0) {
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char *home;
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if (mail_directory)
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free (mail_directory);
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home = getenv ("HOME");
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if (!home) {
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fprintf (stderr, "Error: No mail directory provided HOME environment variable is not set.\n");
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fprintf (stderr, "Cowardly refusing to just guess where your mail might be.\n");
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exit (1);
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}
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mail_directory = g_strdup_printf ("%s/mail", home);
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}
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printf ("OK. Let's take a look at the mail we can find in the directory\n");
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printf ("%s ...\n", mail_directory);
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count = 0;
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count_files (mail_directory, &count);
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printf ("Found %d total files. That's not much mail.\n", count);
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free (mail_directory);
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return 0;
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}
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int
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search_command (int argc, char *argv[])
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{
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fprintf (stderr, "Error: search is not implemented yet.\n");
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return 1;
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}
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int
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show_command (int argc, char *argv[])
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{
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fprintf (stderr, "Error: show-thread is not implemented yet.\n");
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return 1;
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}
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command_t commands[] = {
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{ "setup", setup_command,
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"Interactively setup notmuch for first use (no arguments).\n"
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"\t\tInvoking notmuch with no command argument will run setup if\n"
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"\t\the setup command has not previously been completed." },
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{ "search", search_command,
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"Search for threads matching the given search terms." },
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{ "show", show_command,
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"Show the thread with the given thread ID (see 'search')." }
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};
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void
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usage (void)
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{
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command_t *command;
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int i;
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fprintf (stderr, "Usage: notmuch <command> [args...]\n");
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fprintf (stderr, "\n");
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fprintf (stderr, "Where <command> is one of the following:\n");
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fprintf (stderr, "\n");
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for (i = 0; i < ARRAY_SIZE (commands); i++) {
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command = &commands[i];
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fprintf (stderr, "\t%s\t%s\n\n", command->name, command->usage);
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}
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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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command_t *command;
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int i;
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if (argc == 1)
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return setup_command (0, NULL);
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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) (argc - 2, &argv[2]);
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}
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fprintf (stderr, "Error: Unknown command '%s'\n\n", argv[1]);
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usage ();
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exit (1);
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return 0;
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}
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