/* notmuch - Not much of an email program, (just index and search) * * Copyright © 2009 Carl Worth * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see http://www.gnu.org/licenses/ . * * Author: Carl Worth */ #include "notmuch-client.h" #include #include typedef struct _filename_node { char *filename; time_t mtime; struct _filename_node *next; } _filename_node_t; typedef struct _filename_list { unsigned count; _filename_node_t *head; _filename_node_t **tail; } _filename_list_t; typedef struct { int output_is_a_tty; int verbose; const char **new_tags; size_t new_tags_length; const char **new_ignore; size_t new_ignore_length; int total_files; int processed_files; int added_messages, removed_messages, renamed_messages; struct timeval tv_start; _filename_list_t *removed_files; _filename_list_t *removed_directories; _filename_list_t *directory_mtimes; notmuch_bool_t synchronize_flags; } add_files_state_t; static volatile sig_atomic_t do_print_progress = 0; static void handle_sigalrm (unused (int signal)) { do_print_progress = 1; } static volatile sig_atomic_t interrupted; static void handle_sigint (unused (int sig)) { static char msg[] = "Stopping... \n"; /* This write is "opportunistic", so it's okay to ignore the * result. It is not required for correctness, and if it does * fail or produce a short write, we want to get out of the signal * handler as quickly as possible, not retry it. */ IGNORE_RESULT (write (2, msg, sizeof(msg)-1)); interrupted = 1; } static _filename_list_t * _filename_list_create (const void *ctx) { _filename_list_t *list; list = talloc (ctx, _filename_list_t); if (list == NULL) return NULL; list->head = NULL; list->tail = &list->head; list->count = 0; return list; } static _filename_node_t * _filename_list_add (_filename_list_t *list, const char *filename) { _filename_node_t *node = talloc (list, _filename_node_t); list->count++; node->filename = talloc_strdup (list, filename); node->next = NULL; *(list->tail) = node; list->tail = &node->next; return node; } static void generic_print_progress (const char *action, const char *object, struct timeval tv_start, unsigned processed, unsigned total) { struct timeval tv_now; double elapsed_overall, rate_overall; gettimeofday (&tv_now, NULL); elapsed_overall = notmuch_time_elapsed (tv_start, tv_now); rate_overall = processed / elapsed_overall; printf ("%s %d ", action, processed); if (total) { printf ("of %d %s", total, object); if (processed > 0 && elapsed_overall > 0.5) { double time_remaining = ((total - processed) / rate_overall); printf (" ("); notmuch_time_print_formatted_seconds (time_remaining); printf (" remaining)"); } } else { printf ("%s", object); if (elapsed_overall > 0.5) printf (" (%d %s/sec.)", (int) rate_overall, object); } printf (".\033[K\r"); fflush (stdout); } static int dirent_sort_inode (const struct dirent **a, const struct dirent **b) { return ((*a)->d_ino < (*b)->d_ino) ? -1 : 1; } static int dirent_sort_strcmp_name (const struct dirent **a, const struct dirent **b) { return strcmp ((*a)->d_name, (*b)->d_name); } /* Return the type of a directory entry relative to path as a stat(2) * mode. Like stat, this follows symlinks. Returns -1 and sets errno * if the file's type cannot be determined (which includes dangling * symlinks). */ static int dirent_type (const char *path, const struct dirent *entry) { struct stat statbuf; char *abspath; int err, saved_errno; #ifdef _DIRENT_HAVE_D_TYPE /* Mapping from d_type to stat mode_t. We omit DT_LNK so that * we'll fall through to stat and get the real file type. */ static const mode_t modes[] = { [DT_BLK] = S_IFBLK, [DT_CHR] = S_IFCHR, [DT_DIR] = S_IFDIR, [DT_FIFO] = S_IFIFO, [DT_REG] = S_IFREG, [DT_SOCK] = S_IFSOCK }; if (entry->d_type < ARRAY_SIZE(modes) && modes[entry->d_type]) return modes[entry->d_type]; #endif abspath = talloc_asprintf (NULL, "%s/%s", path, entry->d_name); if (!abspath) { errno = ENOMEM; return -1; } err = stat(abspath, &statbuf); saved_errno = errno; talloc_free (abspath); if (err < 0) { errno = saved_errno; return -1; } return statbuf.st_mode & S_IFMT; } /* Test if the directory looks like a Maildir directory. * * Search through the array of directory entries to see if we can find all * three subdirectories typical for Maildir, that is "new", "cur", and "tmp". * * Return 1 if the directory looks like a Maildir and 0 otherwise. */ static int _entries_resemble_maildir (const char *path, struct dirent **entries, int count) { int i, found = 0; for (i = 0; i < count; i++) { if (dirent_type (path, entries[i]) != S_IFDIR) continue; if (strcmp(entries[i]->d_name, "new") == 0 || strcmp(entries[i]->d_name, "cur") == 0 || strcmp(entries[i]->d_name, "tmp") == 0) { found++; if (found == 3) return 1; } } return 0; } /* Test if the file/directory is to be ignored. */ static notmuch_bool_t _entry_in_ignore_list (const char *entry, add_files_state_t *state) { size_t i; for (i = 0; i < state->new_ignore_length; i++) if (strcmp (entry, state->new_ignore[i]) == 0) return TRUE; return FALSE; } /* Progress-reporting function. * * Can be used by any mailstore-crawling function that wants to alert * users what message it's about to add. Subsequent errors will be due * to this message ;) */ static void _report_before_adding_file (add_files_state_t *state, const char *filename) { state->processed_files++; if (state->verbose) { if (state->output_is_a_tty) printf("\r\033[K"); printf ("%i/%i: %s", state->processed_files, state->total_files, filename); putchar((state->output_is_a_tty) ? '\r' : '\n'); fflush (stdout); } } /* Progress-reporting function. * * Call this to respond to the signal handler for SIGALRM. */ static void _report_added_file (add_files_state_t *state) { if (do_print_progress) { do_print_progress = 0; generic_print_progress ("Processed", "files", state->tv_start, state->processed_files, state->total_files); } } /* Atomically handles adding a message to the database. * * Should be used by any mailstore-crawling function that finds a new * message to add. */ static notmuch_status_t _add_message (add_files_state_t *state, notmuch_database_t *notmuch, const char *filename) { notmuch_status_t status, ret = NOTMUCH_STATUS_SUCCESS; notmuch_message_t *message; const char **tag; status = notmuch_database_begin_atomic (notmuch); if (status) { ret = status; goto DONE; } status = notmuch_database_add_message (notmuch, filename, &message); switch (status) { /* success */ case NOTMUCH_STATUS_SUCCESS: state->added_messages++; notmuch_message_freeze (message); for (tag=state->new_tags; *tag != NULL; tag++) notmuch_message_add_tag (message, *tag); if (state->synchronize_flags == TRUE) notmuch_message_maildir_flags_to_tags (message); notmuch_message_thaw (message); break; /* Non-fatal issues (go on to next file) */ case NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID: if (state->synchronize_flags == TRUE) notmuch_message_maildir_flags_to_tags (message); break; case NOTMUCH_STATUS_FILE_NOT_EMAIL: fprintf (stderr, "Note: Ignoring non-mail file: %s\n", filename); break; /* Fatal issues. Don't process anymore. */ case NOTMUCH_STATUS_READ_ONLY_DATABASE: case NOTMUCH_STATUS_XAPIAN_EXCEPTION: case NOTMUCH_STATUS_OUT_OF_MEMORY: fprintf (stderr, "Error: %s. Halting processing.\n", notmuch_status_to_string (status)); ret = status; goto DONE; default: case NOTMUCH_STATUS_FILE_ERROR: case NOTMUCH_STATUS_NULL_POINTER: case NOTMUCH_STATUS_TAG_TOO_LONG: case NOTMUCH_STATUS_UNBALANCED_FREEZE_THAW: case NOTMUCH_STATUS_UNBALANCED_ATOMIC: case NOTMUCH_STATUS_LAST_STATUS: INTERNAL_ERROR ("add_message returned unexpected value: %d", status); ret = status; goto DONE; } status = notmuch_database_end_atomic (notmuch); if (status) { ret = status; goto DONE; } DONE: if (message) { notmuch_message_destroy (message); message = NULL; } return ret; } /* Examine 'path' recursively as follows: * * o Ask the filesystem for the mtime of 'path' (fs_mtime) * o Ask the database for its timestamp of 'path' (db_mtime) * * o Ask the filesystem for files and directories within 'path' * (via scandir and stored in fs_entries) * * o Pass 1: For each directory in fs_entries, recursively call into * this same function. * * o Compare fs_mtime to db_mtime. If they are equivalent, terminate * the algorithm at this point, (this directory has not been * updated in the filesystem since the last database scan of PASS * 2). * * o Ask the database for files and directories within 'path' * (db_files and db_subdirs) * * o Pass 2: Walk fs_entries simultaneously with db_files and * db_subdirs. Look for one of three interesting cases: * * 1. Regular file in fs_entries and not in db_files * This is a new file to add_message into the database. * * 2. Filename in db_files not in fs_entries. * This is a file that has been removed from the mail store. * * 3. Directory in db_subdirs not in fs_entries * This is a directory that has been removed from the mail store. * * Note that the addition of a directory is not interesting here, * since that will have been taken care of in pass 1. Also, we * don't immediately act on file/directory removal since we must * ensure that in the case of a rename that the new filename is * added before the old filename is removed, (so that no * information is lost from the database). * * o Tell the database to update its time of 'path' to 'fs_mtime' * if fs_mtime isn't the current wall-clock time. */ static notmuch_status_t add_files (notmuch_database_t *notmuch, const char *path, add_files_state_t *state) { DIR *dir = NULL; struct dirent *entry = NULL; char *next = NULL; time_t fs_mtime, db_mtime; notmuch_status_t status, ret = NOTMUCH_STATUS_SUCCESS; struct dirent **fs_entries = NULL; int i, num_fs_entries = 0, entry_type; notmuch_directory_t *directory; notmuch_filenames_t *db_files = NULL; notmuch_filenames_t *db_subdirs = NULL; time_t stat_time; struct stat st; notmuch_bool_t is_maildir; if (stat (path, &st)) { fprintf (stderr, "Error reading directory %s: %s\n", path, strerror (errno)); return NOTMUCH_STATUS_FILE_ERROR; } stat_time = time (NULL); if (! S_ISDIR (st.st_mode)) { fprintf (stderr, "Error: %s is not a directory.\n", path); return NOTMUCH_STATUS_FILE_ERROR; } fs_mtime = st.st_mtime; status = notmuch_database_get_directory (notmuch, path, &directory); if (status) { ret = status; goto DONE; } db_mtime = directory ? notmuch_directory_get_mtime (directory) : 0; /* If the database knows about this directory, then we sort based * on strcmp to match the database sorting. Otherwise, we can do * inode-based sorting for faster filesystem operation. */ num_fs_entries = scandir (path, &fs_entries, 0, directory ? dirent_sort_strcmp_name : dirent_sort_inode); if (num_fs_entries == -1) { fprintf (stderr, "Error opening directory %s: %s\n", path, strerror (errno)); /* We consider this a fatal error because, if a user moved a * message from another directory that we were able to scan * into this directory, skipping this directory will cause * that message to be lost. */ ret = NOTMUCH_STATUS_FILE_ERROR; goto DONE; } /* Pass 1: Recurse into all sub-directories. */ is_maildir = _entries_resemble_maildir (path, fs_entries, num_fs_entries); for (i = 0; i < num_fs_entries; i++) { if (interrupted) break; entry = fs_entries[i]; /* We only want to descend into directories (and symlinks to * directories). */ entry_type = dirent_type (path, entry); if (entry_type == -1) { /* Be pessimistic, e.g. so we don't lose lots of mail just * because a user broke a symlink. */ fprintf (stderr, "Error reading file %s/%s: %s\n", path, entry->d_name, strerror (errno)); return NOTMUCH_STATUS_FILE_ERROR; } else if (entry_type != S_IFDIR) { continue; } /* Ignore special directories to avoid infinite recursion. * Also ignore the .notmuch directory, any "tmp" directory * that appears within a maildir and files/directories * the user has configured to be ignored. */ if (strcmp (entry->d_name, ".") == 0 || strcmp (entry->d_name, "..") == 0 || (is_maildir && strcmp (entry->d_name, "tmp") == 0) || strcmp (entry->d_name, ".notmuch") == 0 || _entry_in_ignore_list (entry->d_name, state)) { continue; } next = talloc_asprintf (notmuch, "%s/%s", path, entry->d_name); status = add_files (notmuch, next, state); if (status) { ret = status; goto DONE; } talloc_free (next); next = NULL; } /* If the directory's modification time in the filesystem is the * same as what we recorded in the database the last time we * scanned it, then we can skip the second pass entirely. * * We test for strict equality here to avoid a bug that can happen * if the system clock jumps backward, (preventing new mail from * being discovered until the clock catches up and the directory * is modified again). */ if (directory && fs_mtime == db_mtime) goto DONE; /* If the database has never seen this directory before, we can * simply leave db_files and db_subdirs NULL. */ if (directory) { db_files = notmuch_directory_get_child_files (directory); db_subdirs = notmuch_directory_get_child_directories (directory); } /* Pass 2: Scan for new files, removed files, and removed directories. */ for (i = 0; i < num_fs_entries; i++) { if (interrupted) break; entry = fs_entries[i]; /* Ignore files & directories user has configured to be ignored */ if (_entry_in_ignore_list (entry->d_name, state)) continue; /* Check if we've walked past any names in db_files or * db_subdirs. If so, these have been deleted. */ while (notmuch_filenames_valid (db_files) && strcmp (notmuch_filenames_get (db_files), entry->d_name) < 0) { char *absolute = talloc_asprintf (state->removed_files, "%s/%s", path, notmuch_filenames_get (db_files)); _filename_list_add (state->removed_files, absolute); notmuch_filenames_move_to_next (db_files); } while (notmuch_filenames_valid (db_subdirs) && strcmp (notmuch_filenames_get (db_subdirs), entry->d_name) <= 0) { const char *filename = notmuch_filenames_get (db_subdirs); if (strcmp (filename, entry->d_name) < 0) { char *absolute = talloc_asprintf (state->removed_directories, "%s/%s", path, filename); _filename_list_add (state->removed_directories, absolute); } notmuch_filenames_move_to_next (db_subdirs); } /* Only add regular files (and symlinks to regular files). */ entry_type = dirent_type (path, entry); if (entry_type == -1) { fprintf (stderr, "Error reading file %s/%s: %s\n", path, entry->d_name, strerror (errno)); return NOTMUCH_STATUS_FILE_ERROR; } else if (entry_type != S_IFREG) { continue; } /* Don't add a file that we've added before. */ if (notmuch_filenames_valid (db_files) && strcmp (notmuch_filenames_get (db_files), entry->d_name) == 0) { notmuch_filenames_move_to_next (db_files); continue; } /* We're now looking at a regular file that doesn't yet exist * in the database, so add it. */ next = talloc_asprintf (notmuch, "%s/%s", path, entry->d_name); _report_before_adding_file (state, next); status = _add_message (state, notmuch, next); if (status) { ret = status; goto DONE; } _report_added_file (state); talloc_free (next); next = NULL; } if (interrupted) goto DONE; /* Now that we've walked the whole filesystem list, anything left * over in the database lists has been deleted. */ while (notmuch_filenames_valid (db_files)) { char *absolute = talloc_asprintf (state->removed_files, "%s/%s", path, notmuch_filenames_get (db_files)); _filename_list_add (state->removed_files, absolute); notmuch_filenames_move_to_next (db_files); } while (notmuch_filenames_valid (db_subdirs)) { char *absolute = talloc_asprintf (state->removed_directories, "%s/%s", path, notmuch_filenames_get (db_subdirs)); _filename_list_add (state->removed_directories, absolute); notmuch_filenames_move_to_next (db_subdirs); } /* If the directory's mtime is the same as the wall-clock time * when we stat'ed the directory, we skip updating the mtime in * the database because a message could be delivered later in this * same second. This may lead to unnecessary re-scans, but it * avoids overlooking messages. */ if (fs_mtime != stat_time) _filename_list_add (state->directory_mtimes, path)->mtime = fs_mtime; DONE: if (next) talloc_free (next); if (dir) closedir (dir); if (fs_entries) { for (i = 0; i < num_fs_entries; i++) free (fs_entries[i]); free (fs_entries); } if (db_subdirs) notmuch_filenames_destroy (db_subdirs); if (db_files) notmuch_filenames_destroy (db_files); if (directory) notmuch_directory_destroy (directory); return ret; } /* Scan an mbox file for messages. * * We assume that mboxes are append only -- this function does not * check to see if messages have gone missing. * * The mtime of the mbox file is stored in a "directory" document in * Xapian. */ /* FIXME: a certain amount of this code appears in add_files_recursive, * and could be refactored */ static notmuch_status_t add_messages_mbox_file (notmuch_database_t *notmuch, const char *path, add_files_state_t *state) { notmuch_status_t ret = NOTMUCH_STATUS_SUCCESS, status; struct stat st; time_t fs_mtime, db_mtime, stat_time; FILE *mbox; char *line, *path_uri = NULL, *message_uri = NULL; int line_len; size_t offset, end_offset, line_size = 0; notmuch_directory_t *directory; int content_length = -1, is_headers; if (stat (path, &st)) { fprintf (stderr, "Error reading mbox file %s: %s\n", path, strerror (errno)); return NOTMUCH_STATUS_FILE_ERROR; } stat_time = time (NULL); if (! S_ISREG (st.st_mode)) { fprintf (stderr, "Error: %s is not a file.\n", path); return NOTMUCH_STATUS_FILE_ERROR; } fs_mtime = st.st_mtime; path_uri = talloc_asprintf (notmuch, "mbox://%s", path); status = notmuch_database_get_directory (notmuch, path_uri, &directory); if (status) { ret = status; goto DONE; } db_mtime = directory ? notmuch_directory_get_mtime (directory) : 0; if (directory && db_mtime == fs_mtime) { goto DONE; } mbox = fopen (path, "r"); if (mbox == NULL) { fprintf (stderr, "Error: couldn't open %s for reading.\n", path); ret = NOTMUCH_STATUS_FILE_ERROR; goto DONE; } line_len = getline (&line, &line_size, mbox); if (line_len == -1) { fprintf (stderr, "Error: reading from %s failed: %s\n", path, strerror (errno)); ret = NOTMUCH_STATUS_FILE_ERROR; goto DONE; } if (strncmp (line, "From ", 5) != 0) { fprintf (stderr, "Note: Ignoring non-mbox file: %s\n", path); ret = NOTMUCH_STATUS_FILE_ERROR; goto DONE; } /* Loop invariant: At the beginning of the loop, we have just read * a From_ line, but haven't yet read any of the headers. */ while (! feof (mbox)) { is_headers = 1; offset = ftell (mbox); content_length = -1; /* Read lines until we either get to the next From_ header, or * we find a Content-Length header (mboxcl) and we run out of headers. */ do { /* Get the offset before we read, in case we got another From_ header. */ end_offset = ftell (mbox); line_len = getline (&line, &line_size, mbox); /* Check to see if this line is a content-length header, * or the end of the headers. */ if (is_headers && strncasecmp (line, "Content-Length: ", strlen ("Content-Length: ")) == 0) content_length = strtol (line + strlen ("Content-Length: "), NULL, 10); if (is_headers && strlen (line) == 1 && *line == '\n') { is_headers = 0; /* If we got a content_length, skip the message body. */ if (content_length != -1) { fseek (mbox, content_length, SEEK_CUR); line_len = getline (&line, &line_size, mbox); /* We should be at the end of the message. Sanity * check: there should be a blank line, and then * another From_ header. */ if (strlen (line) != 1 || *line != '\n') { fprintf (stderr, "Warning: message with Content-Length not " "immediately followed by blank line (%d)\n", offset); } end_offset = ftell (mbox); line_len = getline (&line, &line_size, mbox); if (line_len != -1 && strncmp (line, "From ", 5) != 0) { fprintf (stderr, "Warning: message with Content-Length not " "immediately followed by another message (%d)\n", offset); fprintf (stderr, "Line was: %s", line); } } } } while (! feof (mbox) && strncmp (line, "From ", 5) != 0); /* end_offset is now after the \n but before the From_. */ message_uri = talloc_asprintf (notmuch, "mbox://%s#%d+%d", path, offset, (end_offset - 1) - offset); _report_before_adding_file (state, message_uri); status = _add_message (state, notmuch, message_uri); if (status) { ret = status; goto DONE; } _report_added_file (state); talloc_free (message_uri); message_uri = NULL; } /* This is the same precaution we take in maildir. */ if (fs_mtime != stat_time) _filename_list_add (state->directory_mtimes, path_uri)->mtime = fs_mtime; DONE: if (line) free (line); if (path_uri) talloc_free (path_uri); if (message_uri) talloc_free (message_uri); if (directory) notmuch_directory_destroy (directory); return ret; } /* * Examine path recursively as follows: * * - Recurse on each subdirectory, as in add_files. * * - Call add_messages_mbox_file on every non-directory. */ /* FIXME: this is almost entirely bits-and-pieces from * add_files_recursive and could do with a refactor */ static notmuch_status_t add_files_mbox (notmuch_database_t *notmuch, const char *path, add_files_state_t *state) { struct dirent **fs_entries = NULL; struct dirent *entry = NULL; char *next = NULL; int num_fs_entries = 0, i, entry_type; struct stat st; notmuch_status_t ret = NOTMUCH_STATUS_SUCCESS, status; if (stat (path, &st)) { fprintf (stderr, "Error reading directory %s: %s\n", path, strerror (errno)); return NOTMUCH_STATUS_FILE_ERROR; } num_fs_entries = scandir (path, &fs_entries, 0, dirent_sort_inode); if (num_fs_entries == -1) { fprintf (stderr, "Error opening directory %s: %s\n", path, strerror (errno)); ret = NOTMUCH_STATUS_FILE_ERROR; goto DONE; } for (i = 0; i < num_fs_entries; i++) { if (interrupted) break; entry = fs_entries[i]; entry_type = dirent_type (path, entry); if (entry_type == -1) { /* Be pessimistic, e.g. so we don't lose lots of mail just * because a user broke a symlink. */ fprintf (stderr, "Error reading file %s/%s: %s\n", path, entry->d_name, strerror (errno)); return NOTMUCH_STATUS_FILE_ERROR; } else if (entry_type != S_IFDIR) { continue; } /* Ignore special directories to avoid infinite recursion. * Also ignore the .notmuch directory, any "tmp" directory * that appears within a maildir and files/directories * the user has configured to be ignored. */ if (strcmp (entry->d_name, ".") == 0 || strcmp (entry->d_name, "..") == 0 || strcmp (entry->d_name, ".notmuch") == 0 || _entry_in_ignore_list (entry->d_name, state)) { continue; } next = talloc_asprintf (notmuch, "%s/%s", path, entry->d_name); status = add_files_mbox (notmuch, next, state); if (status) { ret = status; goto DONE; } talloc_free (next); next = NULL; } /* Pass 2: Scan for new files, removed files, and removed directories. */ for (i = 0; i < num_fs_entries; i++) { if (interrupted) break; entry = fs_entries[i]; /* Ignore files & directories user has configured to be ignored */ if (_entry_in_ignore_list (entry->d_name, state)) continue; /* Only add regular files (and symlinks to regular files). */ entry_type = dirent_type (path, entry); if (entry_type == -1) { fprintf (stderr, "Error reading file %s/%s: %s\n", path, entry->d_name, strerror (errno)); return NOTMUCH_STATUS_FILE_ERROR; } else if (entry_type != S_IFREG) { continue; } next = talloc_asprintf (notmuch, "%s/%s", path, entry->d_name); status = add_messages_mbox_file (notmuch, next, state); talloc_free (next); next = NULL; if (status) { ret = status; goto DONE; } } DONE: if (next) talloc_free (next); return ret; } /* Call out to the appropriate add_files function, based on the URI. */ static notmuch_status_t add_files_uri (notmuch_database_t *notmuch, const char *uri, add_files_state_t *state) { UriUriA parsed; UriParserStateA parser; notmuch_status_t ret = NOTMUCH_STATUS_SUCCESS; parser.uri = &parsed; if (uriParseUriA (&parser, uri) != URI_SUCCESS) goto DONE; if (strncmp (parsed.scheme.first, "mbox", parsed.scheme.afterLast - parsed.scheme.first) == 0) { ret = add_files_mbox (notmuch, parsed.pathHead->text.first - 1, state); goto DONE; } DONE: uriFreeUriMembersA (&parsed); return ret; } static void setup_progress_printing_timer (void) { struct sigaction action; struct itimerval timerval; /* Setup our handler for SIGALRM */ memset (&action, 0, sizeof (struct sigaction)); action.sa_handler = handle_sigalrm; sigemptyset (&action.sa_mask); action.sa_flags = SA_RESTART; sigaction (SIGALRM, &action, NULL); /* Then start a timer to send SIGALRM once per second. */ timerval.it_interval.tv_sec = 1; timerval.it_interval.tv_usec = 0; timerval.it_value.tv_sec = 1; timerval.it_value.tv_usec = 0; setitimer (ITIMER_REAL, &timerval, NULL); } static void stop_progress_printing_timer (void) { struct sigaction action; struct itimerval timerval; /* Now stop the timer. */ timerval.it_interval.tv_sec = 0; timerval.it_interval.tv_usec = 0; timerval.it_value.tv_sec = 0; timerval.it_value.tv_usec = 0; setitimer (ITIMER_REAL, &timerval, NULL); /* And disable the signal handler. */ action.sa_handler = SIG_IGN; sigaction (SIGALRM, &action, NULL); } /* XXX: This should be merged with the add_files function since it * shares a lot of logic with it. */ /* Recursively count all regular files in path and all sub-directories * of path. The result is added to *count (which should be * initialized to zero by the top-level caller before calling * count_files). */ static void count_files (const char *path, int *count, add_files_state_t *state) { struct dirent *entry = NULL; char *next; struct stat st; struct dirent **fs_entries = NULL; int num_fs_entries = scandir (path, &fs_entries, 0, dirent_sort_inode); int i = 0; if (num_fs_entries == -1) { fprintf (stderr, "Warning: failed to open directory %s: %s\n", path, strerror (errno)); goto DONE; } while (!interrupted) { if (i == num_fs_entries) break; entry = fs_entries[i++]; /* Ignore special directories to avoid infinite recursion. * Also ignore the .notmuch directory and files/directories * the user has configured to be ignored. */ if (strcmp (entry->d_name, ".") == 0 || strcmp (entry->d_name, "..") == 0 || strcmp (entry->d_name, ".notmuch") == 0 || _entry_in_ignore_list (entry->d_name, state)) { continue; } if (asprintf (&next, "%s/%s", path, entry->d_name) == -1) { next = NULL; fprintf (stderr, "Error descending from %s to %s: Out of memory\n", path, entry->d_name); continue; } stat (next, &st); if (S_ISREG (st.st_mode)) { *count = *count + 1; if (*count % 1000 == 0) { printf ("Found %d files so far.\r", *count); fflush (stdout); } } else if (S_ISDIR (st.st_mode)) { count_files (next, count, state); } free (next); } DONE: if (fs_entries) { for (i = 0; i < num_fs_entries; i++) free (fs_entries[i]); free (fs_entries); } } static void upgrade_print_progress (void *closure, double progress) { add_files_state_t *state = closure; printf ("Upgrading database: %.2f%% complete", progress * 100.0); if (progress > 0) { struct timeval tv_now; double elapsed, time_remaining; gettimeofday (&tv_now, NULL); elapsed = notmuch_time_elapsed (state->tv_start, tv_now); time_remaining = (elapsed / progress) * (1.0 - progress); printf (" ("); notmuch_time_print_formatted_seconds (time_remaining); printf (" remaining)"); } printf (". \r"); fflush (stdout); } /* Remove one message filename from the database. */ static notmuch_status_t remove_filename (notmuch_database_t *notmuch, const char *path, add_files_state_t *add_files_state) { notmuch_status_t status; notmuch_message_t *message; status = notmuch_database_begin_atomic (notmuch); if (status) return status; status = notmuch_database_find_message_by_filename (notmuch, path, &message); if (status || message == NULL) goto DONE; status = notmuch_database_remove_message (notmuch, path); if (status == NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID) { add_files_state->renamed_messages++; if (add_files_state->synchronize_flags == TRUE) notmuch_message_maildir_flags_to_tags (message); status = NOTMUCH_STATUS_SUCCESS; } else if (status == NOTMUCH_STATUS_SUCCESS) { add_files_state->removed_messages++; } notmuch_message_destroy (message); DONE: notmuch_database_end_atomic (notmuch); return status; } /* Recursively remove all filenames from the database referring to * 'path' (or to any of its children). */ static notmuch_status_t _remove_directory (void *ctx, notmuch_database_t *notmuch, const char *path, add_files_state_t *add_files_state) { notmuch_status_t status = NOTMUCH_STATUS_SUCCESS; notmuch_directory_t *directory; notmuch_filenames_t *files, *subdirs; char *absolute; status = notmuch_database_get_directory (notmuch, path, &directory); if (status || !directory) return status; for (files = notmuch_directory_get_child_files (directory); notmuch_filenames_valid (files); notmuch_filenames_move_to_next (files)) { absolute = talloc_asprintf (ctx, "%s/%s", path, notmuch_filenames_get (files)); status = remove_filename (notmuch, absolute, add_files_state); talloc_free (absolute); if (status) goto DONE; } for (subdirs = notmuch_directory_get_child_directories (directory); notmuch_filenames_valid (subdirs); notmuch_filenames_move_to_next (subdirs)) { absolute = talloc_asprintf (ctx, "%s/%s", path, notmuch_filenames_get (subdirs)); status = _remove_directory (ctx, notmuch, absolute, add_files_state); talloc_free (absolute); if (status) goto DONE; } DONE: notmuch_directory_destroy (directory); return status; } int notmuch_new_command (void *ctx, int argc, char *argv[]) { notmuch_config_t *config; notmuch_database_t *notmuch; add_files_state_t add_files_state; double elapsed; struct timeval tv_now, tv_start; int ret = 0; struct stat st; const char *db_path; const char **new_scan; size_t new_scan_length, new_scan_i; char *dot_notmuch_path; struct sigaction action; _filename_node_t *f; int i; notmuch_bool_t timer_is_active = FALSE; notmuch_bool_t run_hooks = TRUE; add_files_state.verbose = 0; add_files_state.output_is_a_tty = isatty (fileno (stdout)); argc--; argv++; /* skip subcommand argument */ for (i = 0; i < argc && argv[i][0] == '-'; i++) { if (STRNCMP_LITERAL (argv[i], "--verbose") == 0) { add_files_state.verbose = 1; } else if (strcmp (argv[i], "--no-hooks") == 0) { run_hooks = FALSE; } else { fprintf (stderr, "Unrecognized option: %s\n", argv[i]); return 1; } } config = notmuch_config_open (ctx, NULL, NULL); if (config == NULL) return 1; add_files_state.new_tags = notmuch_config_get_new_tags (config, &add_files_state.new_tags_length); add_files_state.new_ignore = notmuch_config_get_new_ignore (config, &add_files_state.new_ignore_length); add_files_state.synchronize_flags = notmuch_config_get_maildir_synchronize_flags (config); db_path = notmuch_config_get_database_path (config); if (run_hooks) { ret = notmuch_run_hook (db_path, "pre-new"); if (ret) return ret; } dot_notmuch_path = talloc_asprintf (ctx, "%s/%s", db_path, ".notmuch"); if (stat (dot_notmuch_path, &st)) { int count; count = 0; count_files (db_path, &count, &add_files_state); if (interrupted) return 1; printf ("Found %d total files (that's not much mail).\n", count); if (notmuch_database_create (db_path, ¬much)) return 1; add_files_state.total_files = count; } else { if (notmuch_database_open (db_path, NOTMUCH_DATABASE_MODE_READ_WRITE, ¬much)) return 1; if (notmuch_database_needs_upgrade (notmuch)) { printf ("Welcome to a new version of notmuch! Your database will now be upgraded.\n"); gettimeofday (&add_files_state.tv_start, NULL); notmuch_database_upgrade (notmuch, upgrade_print_progress, &add_files_state); printf ("Your notmuch database has now been upgraded to database format version %u.\n", notmuch_database_get_version (notmuch)); } add_files_state.total_files = 0; } if (notmuch == NULL) return 1; /* Setup our handler for SIGINT. We do this after having * potentially done a database upgrade we this interrupt handler * won't support. */ memset (&action, 0, sizeof (struct sigaction)); action.sa_handler = handle_sigint; sigemptyset (&action.sa_mask); action.sa_flags = SA_RESTART; sigaction (SIGINT, &action, NULL); talloc_free (dot_notmuch_path); dot_notmuch_path = NULL; add_files_state.processed_files = 0; add_files_state.added_messages = 0; add_files_state.removed_messages = add_files_state.renamed_messages = 0; gettimeofday (&add_files_state.tv_start, NULL); add_files_state.removed_files = _filename_list_create (ctx); add_files_state.removed_directories = _filename_list_create (ctx); add_files_state.directory_mtimes = _filename_list_create (ctx); if (! debugger_is_active () && add_files_state.output_is_a_tty && ! add_files_state.verbose) { setup_progress_printing_timer (); timer_is_active = TRUE; } new_scan = notmuch_config_get_new_scan (config, &new_scan_length); for (new_scan_i = 0; new_scan_i < new_scan_length; new_scan_i++) { add_files_uri (notmuch, new_scan[new_scan_i], &add_files_state); } ret = add_files (notmuch, db_path, &add_files_state); if (ret) goto DONE; gettimeofday (&tv_start, NULL); for (f = add_files_state.removed_files->head; f && !interrupted; f = f->next) { ret = remove_filename (notmuch, f->filename, &add_files_state); if (ret) goto DONE; if (do_print_progress) { do_print_progress = 0; generic_print_progress ("Cleaned up", "messages", tv_start, add_files_state.removed_messages + add_files_state.renamed_messages, add_files_state.removed_files->count); } } gettimeofday (&tv_start, NULL); for (f = add_files_state.removed_directories->head, i = 0; f && !interrupted; f = f->next, i++) { ret = _remove_directory (ctx, notmuch, f->filename, &add_files_state); if (ret) goto DONE; if (do_print_progress) { do_print_progress = 0; generic_print_progress ("Cleaned up", "directories", tv_start, i, add_files_state.removed_directories->count); } } for (f = add_files_state.directory_mtimes->head; f && !interrupted; f = f->next) { notmuch_status_t status; notmuch_directory_t *directory; status = notmuch_database_get_directory (notmuch, f->filename, &directory); if (status == NOTMUCH_STATUS_SUCCESS && directory) { notmuch_directory_set_mtime (directory, f->mtime); notmuch_directory_destroy (directory); } } DONE: talloc_free (add_files_state.removed_files); talloc_free (add_files_state.removed_directories); talloc_free (add_files_state.directory_mtimes); if (timer_is_active) stop_progress_printing_timer (); gettimeofday (&tv_now, NULL); elapsed = notmuch_time_elapsed (add_files_state.tv_start, tv_now); if (add_files_state.processed_files) { printf ("Processed %d %s in ", add_files_state.processed_files, add_files_state.processed_files == 1 ? "file" : "total files"); notmuch_time_print_formatted_seconds (elapsed); if (elapsed > 1) { printf (" (%d files/sec.).\033[K\n", (int) (add_files_state.processed_files / elapsed)); } else { printf (".\033[K\n"); } } if (add_files_state.added_messages) { printf ("Added %d new %s to the database.", add_files_state.added_messages, add_files_state.added_messages == 1 ? "message" : "messages"); } else { printf ("No new mail."); } if (add_files_state.removed_messages) { printf (" Removed %d %s.", add_files_state.removed_messages, add_files_state.removed_messages == 1 ? "message" : "messages"); } if (add_files_state.renamed_messages) { printf (" Detected %d file %s.", add_files_state.renamed_messages, add_files_state.renamed_messages == 1 ? "rename" : "renames"); } printf ("\n"); if (ret) fprintf (stderr, "Note: A fatal error was encountered: %s\n", notmuch_status_to_string (ret)); notmuch_database_destroy (notmuch); if (run_hooks && !ret && !interrupted) ret = notmuch_run_hook (db_path, "post-new"); return ret || interrupted; }