typedef struct command {
const char *name;
command_function_t function;
- const char *usage;
+ const char *summary;
+ const char *documentation;
} command_t;
typedef void (*add_files_callback_t) (notmuch_message_t *message);
return ret;
}
+static int
+help_command (int argc, char *argv[]);
+
command_t commands[] = {
{ "setup", setup_command,
- "Interactively setup notmuch for first use.\n\n"
+ "Interactively setup notmuch for first use.",
+ "\t\tThe setup command is the first command you will run in order\n"
+ "\t\tto start using notmuch. It will prompt you for the directory\n"
+ "\t\tcontaining your email archives, and will then proceed to build\n"
+ "\t\ta database to allow fast searching of that mail.\n\n"
"\t\tInvoking notmuch with no command argument will run setup if\n"
"\t\tthe setup command has not previously been completed." },
{ "new", new_command,
- "Find and import any new messages.\n\n"
+ "Find and import any new messages.",
"\t\tScans all sub-directories of the database, adding new messages\n"
- "\t\tthat are found. Each new message will be tagges as both\n"
+ "\t\tthat are found. Each new message will be tagged as both\n"
"\t\t\"inbox\" and \"unread\".\n"
"\n"
"\t\tNote: \"notmuch new\" will skip any read-only directories,\n"
"\t\treceive any new mail (and make \"notmuch new\" faster)." },
{ "search", search_command,
"<search-term> [...]\n\n"
- "\t\tSearch for threads matching the given search terms.\n"
- "\t\tOnce we actually implement search we'll document the\n"
- "\t\tsyntax here." },
+ "\t\tSearch for threads matching the given search terms.",
+ "\t\tNote that the individual mail messages will be matched\n"
+ "\t\tagainst the search terms, but the results will be the\n"
+ "\t\tthreads containing the matched messages.\n\n"
+ "\t\tCurrently, the supported search terms are as follows, (where\n"
+ "\t\t<brackets> indicate user-supplied values):\n\n"
+ "\t\t\ttag:<tag>\n"
+ "\t\t\tid:<message-id>\n"
+ "\t\t\tthread:<thread-id>\n\n"
+ "\t\tValid tag values include \"inbox\" and \"unread\" by default\n"
+ "\t\tfor new messages added by \"notmuch new\" as well as any other\n"
+ "\t\ttag values added manually with \"notmuch tag\".\n\n"
+ "\t\tMessage ID values are the literal contents of the Message-ID:\n"
+ "\t\theader of email messages, but without the '<','>' delimiters.\n\n"
+ "\t\tThread ID values are generated internally by notmuch but can\n"
+ "\t\tbe seen in the output of \"notmuch search\" for example.\n\n"
+ "\t\tIn addition to individual terms, multiple terms can be\n"
+ "\t\tcombined with Boolean operators (\"and\", \"or\", \"not\", etc.).\n"
+ "\t\tEach term in the query will be implicitly connected by a\n"
+ "\t\tlogical AND if no explicit operator is provided.\n\n"
+ "\t\tParentheses can also be used to control the combination of\n"
+ "\t\tthe Boolean operators, but will have to be protected from\n"
+ "\t\tinterpretation by the shell, (such as by putting quotation\n"
+ "\t\tmarks around any parenthesized expression)." },
{ "show", show_command,
"<thread-id>\n\n"
- "\t\tShow the thread with the given thread ID (see 'search')." },
+ "\t\tNote: The \"notmuch show\" command is not implemented yet.\n\n"
+ "\t\tShow the thread with the given thread ID (see 'search').",
+ "\t\tThread ID values are given as the first column in the\n"
+ "\t\toutput of the \"notmuch search\" command. These are the\n"
+ "\t\trandom-looking strings of 32 characters." },
{ "tag", tag_command,
"+<tag>|-<tag> [...] [--] <search-term> [...]\n\n"
- "\t\tAdd or remove the specified tags to all messages matching\n"
- "\t\tthe specified search terms. The search terms are handled\n"
- "\t\texactly as in 'search' so one can use that command first\n"
- "\t\tto see what will be modified.\n\n"
+ "\t\tAdd/remove tags for all messages matching the search terms.",
+ "\t\tThe search terms are handled exactly as in 'search' so one\n"
+ "\t\tcan use that command first to see what will be modified.\n\n"
"\t\tTags prefixed by '+' are added while those prefixed by '-' are\n"
"\t\tremoved. For each message, tag removal is before tag addition.\n\n"
"\t\tThe beginning of <search-terms> is recognized by the first\n"
"\t\targument that begins with neither '+' nor '-'. Support for\n"
"\t\tan initial search term beginning with '+' or '-' is provided\n"
"\t\tby allowing the user to specify a \"--\" argument to separate\n"
- "\t\tthe tags from the search terms." },
+ "\t\tthe tags from the search terms.\n\n"
+ "\t\tNote: If you run \"notmuch new\" between reading a thread with\n"
+ "\t\t\"notmuch show\" and removing the \"inbox\" tag for that thread\n"
+ "\t\twith \"notmuch tag\" then you create the possibility of moving\n"
+ "\t\tsome messages from that thread out of your inbox without ever\n"
+ "\t\treading them. The easiest way to avoid this problem is to not\n"
+ "\t\trun \"notmuch new\" between reading and removing tags." },
{ "dump", dump_command,
"[<filename>]\n\n"
- "\t\tCreate a plain-text dump of the tags for each message\n"
- "\t\twriting to the given filename, if any, or to stdout.\n"
+ "\t\tCreate a plain-text dump of the tags for each message.",
+ "\t\tOutput is to the given filename, if any, or to stdout.\n"
"\t\tThese tags are the only data in the notmuch database\n"
"\t\tthat can't be recreated from the messages themselves.\n"
"\t\tThe output of notmuch dump is therefore the only\n"
"\t\tcritical thing to backup (and much more friendly to\n"
- "\t\tincremental backup than the native database files." },
+ "\t\tincremental backup than the native database files.)" },
{ "restore", restore_command,
"<filename>\n\n"
- "\t\tRestore the tags from the given dump file (see 'dump')." }
+ "\t\tRestore the tags from the given dump file (see 'dump').",
+ "\t\tNote: The dump file format is specifically chosen to be\n"
+ "\t\tcompatible with the format of files produced by sup-dump.\n"
+ "\t\tSo if you've previously been using sup for mail, then the\n"
+ "\t\t\"notmuch restore\" command provides you a way to import\n"
+ "\t\tall of your tags (or labels as sup calls them)." },
+ { "help", help_command,
+ "[<command>]\n\n"
+ "\t\tThis message, or more detailed help for the named command.",
+ "\t\tExcept in this case, where there's not much more detailed\n"
+ "\t\thelp available." }
};
static void
for (i = 0; i < ARRAY_SIZE (commands); i++) {
command = &commands[i];
- fprintf (stderr, "\t%s\t%s\n\n", command->name, command->usage);
+ fprintf (stderr, "\t%s\t%s\n\n", command->name, command->summary);
}
+
+ fprintf (stderr, "Use \"notmuch help <command>\" for more details on each command.\n\n");
+}
+
+static int
+help_command (int argc, char *argv[])
+{
+ command_t *command;
+ unsigned int i;
+
+ if (argc == 0) {
+ fprintf (stderr, "The notmuch mail system.\n\n");
+ usage ();
+ return 0;
+ }
+
+ for (i = 0; i < ARRAY_SIZE (commands); i++) {
+ command = &commands[i];
+
+ if (strcmp (argv[0], command->name) == 0) {
+ fprintf (stderr, "Help for \"notmuch %s\":\n\n", argv[0]);
+ fprintf (stderr, "\t%s\t%s\n\n%s\n\n", command->name,
+ command->summary, command->documentation);
+ return 0;
+ }
+ }
+
+ fprintf (stderr,
+ "\nSorry, %s is not a known command. There's not much I can do to help.\n\n",
+ argv[0]);
+ return 1;
}
int
/* Don't complain about "help" being an unknown command when we're
about to provide exactly what's wanted anyway. */
- if (strcmp (argv[1], "help") == 0 ||
- strcmp (argv[1], "--help") == 0)
- {
- fprintf (stderr, "The notmuch mail system.\n\n");
- usage ();
- return 0;
- } else {
- fprintf (stderr, "Error: Unknown command '%s'\n\n", argv[1]);
- usage ();
- return 1;
- }
+ fprintf (stderr, "Error: Unknown command '%s'\n\n", argv[1]);
+ usage ();
+
+ return 1;
}
projects / notmuch / blobdiff