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-rw-r--r--notmuch.c140
1 files changed, 128 insertions, 12 deletions
diff --git a/notmuch.c b/notmuch.c
index bd739c85..ed087a07 100644
--- a/notmuch.c
+++ b/notmuch.c
@@ -121,8 +121,23 @@ add_files_print_progress (add_files_state_t *state)
fflush (stdout);
}
-/* Recursively find all regular files in 'path' and add them to the
- * database. */
+/* Examine 'path' recursively as follows:
+ *
+ * o Ask the filesystem for the mtime of 'path' (path_mtime)
+ *
+ * o Ask the database for its timestamp of 'path' (path_dbtime)
+ *
+ * o If 'path_mtime' > 'path_dbtime'
+ *
+ * o For each regular file in 'path' with mtime newer than the
+ * 'path_dbtime' call add_message to add the file to the
+ * database.
+ *
+ * o For each sub-directory of path, recursively call into this
+ * same function.
+ *
+ * o Tell the database to update its time of 'path' to 'path_mtime'
+ */
notmuch_status_t
add_files (notmuch_database_t *notmuch, const char *path,
add_files_state_t *state)
@@ -133,11 +148,27 @@ add_files (notmuch_database_t *notmuch, const char *path,
int err;
char *next = NULL;
struct stat st;
+ time_t path_mtime, path_dbtime;
notmuch_status_t status, ret = NOTMUCH_STATUS_SUCCESS;
+ if (stat (path, &st)) {
+ fprintf (stderr, "Error reading directory %s: %s\n",
+ path, strerror (errno));
+ return NOTMUCH_STATUS_FILE_ERROR;
+ }
+
+ if (! S_ISDIR (st.st_mode)) {
+ fprintf (stderr, "Error: %s is not a directory.\n", path);
+ return NOTMUCH_STATUS_FILE_ERROR;
+ }
+
+ path_mtime = st.st_mtime;
+
+ path_dbtime = notmuch_database_get_timestamp (notmuch, path);
+
dir = opendir (path);
if (dir == NULL) {
- fprintf (stderr, "Warning: failed to open directory %s: %s\n",
+ fprintf (stderr, "Error opening directory %s: %s\n",
path, strerror (errno));
ret = NOTMUCH_STATUS_FILE_ERROR;
goto DONE;
@@ -159,6 +190,12 @@ add_files (notmuch_database_t *notmuch, const char *path,
if (e == NULL)
break;
+ /* If this directory hasn't been modified since the last
+ * add_files, then we only need to look further for
+ * sub-directories. */
+ if (path_mtime <= path_dbtime && entry->d_type != DT_DIR)
+ continue;
+
/* Ignore special directories to avoid infinite recursion.
* Also ignore the .notmuch directory.
*/
@@ -181,16 +218,38 @@ add_files (notmuch_database_t *notmuch, const char *path,
}
if (S_ISREG (st.st_mode)) {
- state->processed_files++;
- status = notmuch_database_add_message (notmuch, next);
- if (status == NOTMUCH_STATUS_FILE_NOT_EMAIL) {
- fprintf (stderr, "Note: Ignoring non-mail file: %s\n",
- next);
- } else if (status != NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID) {
- state->added_messages++;
+ /* If the file hasn't been modified since the last
+ * add_files, then we need not look at it. */
+ if (st.st_mtime > path_dbtime) {
+ state->processed_files++;
+
+ status = notmuch_database_add_message (notmuch, next);
+ switch (status) {
+ /* success */
+ case NOTMUCH_STATUS_SUCCESS:
+ state->added_messages++;
+ break;
+ /* Non-fatal issues (go on to next file) */
+ case NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID:
+ /* Stay silent on this one. */
+ break;
+ case NOTMUCH_STATUS_FILE_NOT_EMAIL:
+ fprintf (stderr, "Note: Ignoring non-mail file: %s\n",
+ next);
+ break;
+ /* Fatal issues. Don't process anymore. */
+ case NOTMUCH_STATUS_XAPIAN_EXCEPTION:
+ fprintf (stderr, "A Xapian error was encountered. Halting processing.\n");
+ ret = status;
+ goto DONE;
+ default:
+ fprintf (stderr, "Internal error: add_message returned unexpected value: %d\n", status);
+ ret = status;
+ goto DONE;
+ }
+ if (state->processed_files % 1000 == 0)
+ add_files_print_progress (state);
}
- if (state->processed_files % 1000 == 0)
- add_files_print_progress (state);
} else if (S_ISDIR (st.st_mode)) {
status = add_files (notmuch, next, state);
if (status && ret == NOTMUCH_STATUS_SUCCESS)
@@ -201,6 +260,8 @@ add_files (notmuch_database_t *notmuch, const char *path,
next = NULL;
}
+ notmuch_database_set_timestamp (notmuch, path, path_mtime);
+
DONE:
if (next)
free (next);
@@ -399,6 +460,59 @@ setup_command (int argc, char *argv[])
}
int
+new_command (int argc, char *argv[])
+{
+ notmuch_database_t *notmuch;
+ const char *mail_directory;
+ add_files_state_t add_files_state;
+ double elapsed;
+ struct timeval tv_now;
+ int ret = 0;
+
+ notmuch = notmuch_database_open (NULL);
+ if (notmuch == NULL) {
+ ret = 1;
+ goto DONE;
+ }
+
+ mail_directory = notmuch_database_get_path (notmuch);
+
+ add_files_state.total_files = 0;
+ add_files_state.processed_files = 0;
+ add_files_state.added_messages = 0;
+ gettimeofday (&add_files_state.tv_start, NULL);
+
+ ret = add_files (notmuch, mail_directory, &add_files_state);
+
+ gettimeofday (&tv_now, NULL);
+ elapsed = tv_elapsed (add_files_state.tv_start,
+ tv_now);
+ if (add_files_state.processed_files) {
+ printf ("Processed %d total files in ", add_files_state.processed_files);
+ print_formatted_seconds (elapsed);
+ printf (" (%d files/sec.). \n",
+ (int) (add_files_state.processed_files / elapsed));
+ }
+ if (add_files_state.added_messages) {
+ printf ("Added %d new messages to the database (not much, really).\n",
+ add_files_state.added_messages);
+ } else {
+ printf ("No new mail---and that's not much!.\n");
+ }
+
+ if (ret) {
+ printf ("Note: At least one error was encountered: %s\n",
+ notmuch_status_to_string (ret));
+ }
+
+ DONE:
+ if (notmuch)
+ notmuch_database_close (notmuch);
+
+ return ret;
+}
+
+int
search_command (int argc, char *argv[])
{
fprintf (stderr, "Error: search is not implemented yet.\n");
@@ -599,6 +713,8 @@ command_t commands[] = {
"Interactively setup notmuch for first use.\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."},
{ "search", search_command,
"<search-term> [...]\n\n"
"\t\tSearch for threads matching the given search terms.\n"