X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=notmuch-new.c;h=feb9c32fda52e6b9d6d5490320e86f5a107b03ac;hp=bf9b120949b6697650a681eb5c566b0e97bbfccb;hb=51b0f8ff3373fe744691b4836f4ee85919e3ec4a;hpb=746fef0aeafe1f29720140ab8778cdee22d519cb diff --git a/notmuch-new.c b/notmuch-new.c index bf9b1209..feb9c32f 100644 --- a/notmuch-new.c +++ b/notmuch-new.c @@ -36,7 +36,8 @@ typedef struct _filename_list { typedef struct { int output_is_a_tty; - int verbose; + notmuch_bool_t verbose; + notmuch_bool_t debug; const char **new_tags; size_t new_tags_length; const char **new_ignore; @@ -154,6 +155,48 @@ 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 @@ -162,12 +205,12 @@ dirent_sort_strcmp_name (const struct dirent **a, const struct dirent **b) * Return 1 if the directory looks like a Maildir and 0 otherwise. */ static int -_entries_resemble_maildir (struct dirent **entries, int count) +_entries_resemble_maildir (const char *path, struct dirent **entries, int count) { int i, found = 0; for (i = 0; i < count; i++) { - if (entries[i]->d_type != DT_DIR && entries[i]->d_type != DT_UNKNOWN) + if (dirent_type (path, entries[i]) != S_IFDIR) continue; if (strcmp(entries[i]->d_name, "new") == 0 || @@ -239,9 +282,9 @@ _entry_in_ignore_list (const char *entry, add_files_state_t *state) * if fs_mtime isn't the current wall-clock time. */ static notmuch_status_t -add_files_recursive (notmuch_database_t *notmuch, - const char *path, - add_files_state_t *state) +add_files (notmuch_database_t *notmuch, + const char *path, + add_files_state_t *state) { DIR *dir = NULL; struct dirent *entry = NULL; @@ -250,13 +293,13 @@ add_files_recursive (notmuch_database_t *notmuch, notmuch_status_t status, ret = NOTMUCH_STATUS_SUCCESS; notmuch_message_t *message = NULL; struct dirent **fs_entries = NULL; - int i, num_fs_entries; + 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, new_directory; + notmuch_bool_t is_maildir; const char **tag; if (stat (path, &st)) { @@ -266,44 +309,26 @@ add_files_recursive (notmuch_database_t *notmuch, } stat_time = time (NULL); - /* This is not an error since we may have recursed based on a - * symlink to a regular file, not a directory, and we don't know - * that until this stat. */ - if (! S_ISDIR (st.st_mode)) - return NOTMUCH_STATUS_SUCCESS; + 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; - directory = notmuch_database_get_directory (notmuch, path); - db_mtime = notmuch_directory_get_mtime (directory); - - new_directory = db_mtime ? FALSE : TRUE; - - /* XXX This is a temporary workaround. If we don't update the - * database mtime until after processing messages in this - * directory, then a 0 mtime is *not* sufficient to indicate that - * this directory has no messages or subdirs in the database (for - * example, if an earlier run skipped the mtime update because - * fs_mtime == stat_time, or was interrupted before updating the - * mtime at the end). To address this, we record a (bogus) - * non-zero value before processing any child messages so that a - * later run won't mistake this for a new directory (and, for - * example, fail to detect removed files and subdirs). - * - * A better solution would be for notmuch_database_get_directory - * to indicate if it really created a new directory or not, either - * by a new out-argument, or by recording this information and - * providing an accessor. - */ - if (new_directory) - notmuch_directory_set_mtime (directory, -1); + 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, - new_directory ? - dirent_sort_inode : dirent_sort_strcmp_name); + directory ? + dirent_sort_strcmp_name : dirent_sort_inode); if (num_fs_entries == -1) { fprintf (stderr, "Error opening directory %s: %s\n", @@ -317,7 +342,7 @@ add_files_recursive (notmuch_database_t *notmuch, } /* Pass 1: Recurse into all sub-directories. */ - is_maildir = _entries_resemble_maildir (fs_entries, num_fs_entries); + is_maildir = _entries_resemble_maildir (path, fs_entries, num_fs_entries); for (i = 0; i < num_fs_entries; i++) { if (interrupted) @@ -325,36 +350,43 @@ add_files_recursive (notmuch_database_t *notmuch, entry = fs_entries[i]; - /* We only want to descend into directories. - * But symlinks can be to directories too, of course. - * - * And if the filesystem doesn't tell us the file type in the - * scandir results, then it might be a directory (and if not, - * then we'll stat and return immediately in the next level of - * recursion). */ - if (entry->d_type != DT_DIR && - entry->d_type != DT_LNK && - entry->d_type != DT_UNKNOWN) - { + /* Ignore any files/directories the user has configured to + * ignore. We do this before dirent_type both for performance + * and because we don't care if dirent_type fails on entries + * that are explicitly ignored. + */ + if (_entry_in_ignore_list (entry->d_name, state)) { + if (state->debug) + printf ("(D) add_files_recursive, pass 1: explicitly ignoring %s/%s\n", + path, entry->d_name); + continue; + } + + /* 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. + * Also ignore the .notmuch directory and any "tmp" directory + * that appears within a maildir. */ 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)) - { + strcmp (entry->d_name, ".notmuch") == 0) continue; - } next = talloc_asprintf (notmuch, "%s/%s", path, entry->d_name); - status = add_files_recursive (notmuch, next, state); + status = add_files (notmuch, next, state); if (status) { ret = status; goto DONE; @@ -372,13 +404,12 @@ add_files_recursive (notmuch_database_t *notmuch, * being discovered until the clock catches up and the directory * is modified again). */ - if (fs_mtime == db_mtime) + if (directory && fs_mtime == db_mtime) goto DONE; - /* new_directory means a directory that the database has never - * seen before. In that case, we can simply leave db_files and - * db_subdirs NULL. */ - if (!new_directory) { + /* 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); } @@ -392,8 +423,13 @@ add_files_recursive (notmuch_database_t *notmuch, entry = fs_entries[i]; /* Ignore files & directories user has configured to be ignored */ - if (_entry_in_ignore_list (entry->d_name, state)) + if (_entry_in_ignore_list (entry->d_name, state)) { + if (state->debug) + printf ("(D) add_files_recursive, pass 2: explicitly ignoring %s/%s\n", + path, + entry->d_name); continue; + } /* Check if we've walked past any names in db_files or * db_subdirs. If so, these have been deleted. */ @@ -425,31 +461,13 @@ add_files_recursive (notmuch_database_t *notmuch, notmuch_filenames_move_to_next (db_subdirs); } - /* If we're looking at a symlink, we only want to add it if it - * links to a regular file, (and not to a directory, say). - * - * Similarly, if the file is of unknown type (due to filesystem - * limitations), then we also need to look closer. - * - * In either case, a stat does the trick. - */ - if (entry->d_type == DT_LNK || entry->d_type == DT_UNKNOWN) { - int err; - - next = talloc_asprintf (notmuch, "%s/%s", path, entry->d_name); - err = stat (next, &st); - talloc_free (next); - next = NULL; - - /* Don't emit an error for a link pointing nowhere, since - * the directory-traversal pass will have already done - * that. */ - if (err) - continue; - - if (! S_ISREG (st.st_mode)) - continue; - } else if (entry->d_type != DT_REG) { + /* 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; } @@ -643,32 +661,6 @@ stop_progress_printing_timer (void) } -/* This is the top-level entry point for add_files. It does a couple - * of error checks and then calls into the recursive function. */ -static notmuch_status_t -add_files (notmuch_database_t *notmuch, - const char *path, - add_files_state_t *state) -{ - notmuch_status_t status; - struct stat st; - - 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; - } - - status = add_files_recursive (notmuch, path, state); - - return status; -} - /* 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 @@ -706,6 +698,10 @@ count_files (const char *path, int *count, add_files_state_t *state) strcmp (entry->d_name, ".notmuch") == 0 || _entry_in_ignore_list (entry->d_name, state)) { + if (_entry_in_ignore_list (entry->d_name, state) && state->debug) + printf ("(D) count_files: explicitly ignoring %s/%s\n", + path, + entry->d_name); continue; } @@ -779,7 +775,8 @@ remove_filename (notmuch_database_t *notmuch, return status; status = notmuch_database_find_message_by_filename (notmuch, path, &message); if (status || message == NULL) - return status; + goto DONE; + status = notmuch_database_remove_message (notmuch, path); if (status == NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID) { add_files_state->renamed_messages++; @@ -790,6 +787,8 @@ remove_filename (notmuch_database_t *notmuch, add_files_state->removed_messages++; } notmuch_message_destroy (message); + + DONE: notmuch_database_end_atomic (notmuch); return status; } @@ -807,7 +806,9 @@ _remove_directory (void *ctx, notmuch_filenames_t *files, *subdirs; char *absolute; - directory = notmuch_database_get_directory (notmuch, path); + 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); @@ -852,25 +853,28 @@ notmuch_new_command (void *ctx, int argc, char *argv[]) char *dot_notmuch_path; struct sigaction action; _filename_node_t *f; + int opt_index; int i; notmuch_bool_t timer_is_active = FALSE; - notmuch_bool_t run_hooks = TRUE; + notmuch_bool_t no_hooks = FALSE; - add_files_state.verbose = 0; + add_files_state.verbose = FALSE; + add_files_state.debug = FALSE; add_files_state.output_is_a_tty = isatty (fileno (stdout)); - argc--; argv++; /* skip subcommand argument */ + notmuch_opt_desc_t options[] = { + { NOTMUCH_OPT_BOOLEAN, &add_files_state.verbose, "verbose", 'v', 0 }, + { NOTMUCH_OPT_BOOLEAN, &add_files_state.debug, "debug", 'd', 0 }, + { NOTMUCH_OPT_BOOLEAN, &no_hooks, "no-hooks", 'n', 0 }, + { 0, 0, 0, 0, 0 } + }; - 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; - } + opt_index = parse_arguments (argc, argv, options, 1); + if (opt_index < 0) { + /* diagnostics already printed */ + return 1; } + config = notmuch_config_open (ctx, NULL, NULL); if (config == NULL) return 1; @@ -880,7 +884,7 @@ notmuch_new_command (void *ctx, int argc, char *argv[]) add_files_state.synchronize_flags = notmuch_config_get_maildir_synchronize_flags (config); db_path = notmuch_config_get_database_path (config); - if (run_hooks) { + if (!no_hooks) { ret = notmuch_run_hook (db_path, "pre-new"); if (ret) return ret; @@ -897,12 +901,12 @@ notmuch_new_command (void *ctx, int argc, char *argv[]) return 1; printf ("Found %d total files (that's not much mail).\n", count); - notmuch = notmuch_database_create (db_path); + if (notmuch_database_create (db_path, ¬much)) + return 1; add_files_state.total_files = count; } else { - notmuch = notmuch_database_open (db_path, - NOTMUCH_DATABASE_MODE_READ_WRITE); - if (notmuch == NULL) + if (notmuch_database_open (db_path, NOTMUCH_DATABASE_MODE_READ_WRITE, + ¬much)) return 1; if (notmuch_database_needs_upgrade (notmuch)) { @@ -978,9 +982,10 @@ notmuch_new_command (void *ctx, int argc, char *argv[]) } for (f = add_files_state.directory_mtimes->head; f && !interrupted; f = f->next) { + notmuch_status_t status; notmuch_directory_t *directory; - directory = notmuch_database_get_directory (notmuch, f->filename); - if (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); } @@ -1038,9 +1043,9 @@ notmuch_new_command (void *ctx, int argc, char *argv[]) fprintf (stderr, "Note: A fatal error was encountered: %s\n", notmuch_status_to_string (ret)); - notmuch_database_close (notmuch); + notmuch_database_destroy (notmuch); - if (run_hooks && !ret && !interrupted) + if (!no_hooks && !ret && !interrupted) ret = notmuch_run_hook (db_path, "post-new"); return ret || interrupted;