From: David Bremner Date: Tue, 9 Feb 2021 23:48:38 +0000 (-0400) Subject: lib: provide notmuch_database_load_config X-Git-Tag: 0.32_rc0~34 X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=commitdiff_plain;h=2fc40e24de4fb06428273e6f55ebd72faabde778 lib: provide notmuch_database_load_config This is mainly targetted at notmuch-config.c, or similar applications that don't necessarily need both a configuration file and a database to exist. --- diff --git a/lib/notmuch.h b/lib/notmuch.h index f9efd79e..da556e50 100644 --- a/lib/notmuch.h +++ b/lib/notmuch.h @@ -442,6 +442,33 @@ notmuch_database_open_with_config (const char *database_path, const char *profile, notmuch_database_t **database, char **error_message); + + +/** + * Loads configuration from config file, database, and/or defaults + * + * For description of arguments, @see notmuch_database_open_with_config + * + * @retval NOTMUCH_STATUS_SUCCESS: Successfully loaded (some) configuration. + * + * @retval NOTMUCH_STATUS_OUT_OF_MEMORY: Out of memory. + * + * @retval NOTMUCH_STATUS_FILE_ERROR: An error occurred trying to open the + * database or config file (such as permission denied, or file not found, + * etc.) + * + * @retval NOTMUCH_STATUS_XAPIAN_EXCEPTION: A Xapian exception occurred. + * + * @since libnotmuch 5.4 (notmuch 0.32) + */ + +notmuch_status_t +notmuch_database_load_config (const char *database_path, + const char *config_path, + const char *profile, + notmuch_database_t **database, + char **error_message); + /** * Create a new notmuch database located at 'database_path', using * configuration in 'config_path'. diff --git a/lib/open.cc b/lib/open.cc index 9bb313da..6c3ef46f 100644 --- a/lib/open.cc +++ b/lib/open.cc @@ -738,3 +738,99 @@ notmuch_database_reopen (notmuch_database_t *notmuch, notmuch->open = true; return NOTMUCH_STATUS_SUCCESS; } + +notmuch_status_t +_maybe_load_config_from_database (notmuch_database_t *notmuch, + GKeyFile *key_file, + const char *database_path, + const char *profile) +{ + char *message; /* ignored */ + + if (_db_dir_exists (database_path, &message)) + return NOTMUCH_STATUS_SUCCESS; + + _set_database_path (notmuch, database_path); + + if (_notmuch_choose_xapian_path (notmuch, database_path, ¬much->xapian_path, &message)) + return NOTMUCH_STATUS_SUCCESS; + + (void) _finish_open (notmuch, profile, NOTMUCH_DATABASE_MODE_READ_ONLY, key_file, &message); + + return NOTMUCH_STATUS_SUCCESS; +} + +notmuch_status_t +notmuch_database_load_config (const char *database_path, + const char *config_path, + const char *profile, + notmuch_database_t **database, + char **status_string) +{ + notmuch_status_t status = NOTMUCH_STATUS_SUCCESS, warning = NOTMUCH_STATUS_SUCCESS; + void *local = talloc_new (NULL); + notmuch_database_t *notmuch = NULL; + char *message = NULL; + GKeyFile *key_file = NULL; + bool split = false; + + _init_libs (); + + notmuch = _alloc_notmuch (); + if (! notmuch) { + status = NOTMUCH_STATUS_OUT_OF_MEMORY; + goto DONE; + } + + status = _load_key_file (config_path, profile, &key_file); + switch (status) { + case NOTMUCH_STATUS_SUCCESS: + case NOTMUCH_STATUS_NO_CONFIG: + warning = status; + break; + default: + message = strdup ("Error: cannot load config file.\n"); + goto DONE; + } + + status = _choose_database_path (local, profile, key_file, + &database_path, &split, &message); + switch (status) { + /* weirdly NULL_POINTER is what is returned if we fail to find + * a database */ + case NOTMUCH_STATUS_NULL_POINTER: + case NOTMUCH_STATUS_SUCCESS: + break; + default: + goto DONE; + } + + if (database_path) { + status = _maybe_load_config_from_database (notmuch, key_file, database_path, profile); + if (status) + goto DONE; + } + + if (key_file) { + status = _notmuch_config_load_from_file (notmuch, key_file); + if (status) + goto DONE; + } + status = _notmuch_config_load_defaults (notmuch); + if (status) + goto DONE; + + DONE: + talloc_free (local); + + if (status_string) + *status_string = message; + + if (database) + *database = notmuch; + + if (status) + return status; + else + return warning; +} diff --git a/test/T590-libconfig.sh b/test/T590-libconfig.sh index 310668a9..dc9964cf 100755 --- a/test/T590-libconfig.sh +++ b/test/T590-libconfig.sh @@ -538,7 +538,7 @@ cat c_head - c_tail <<'EOF' | test_C %NULL% '' %NULL% printf("test.key2 = %s\n", val); } EOF -NOTMUCH_CONFIG=${old_NOTMUCH_CONFIG} +export NOTMUCH_CONFIG=${old_NOTMUCH_CONFIG} unset NOTMUCH_DATABASE cat <<'EOF' >EXPECTED == stdout == @@ -549,7 +549,7 @@ EOF test_expect_equal_file EXPECTED OUTPUT test_begin_subtest "NOTMUCH_DATABASE overrides config" -old_path=$(notmuch config get database.path) +cp notmuch-config notmuch-config.bak notmuch config set database.path /nonexistent export NOTMUCH_DATABASE=${MAIL_DIR} cat c_head - c_tail <<'EOF' | test_C %NULL% '' %NULL% @@ -568,8 +568,184 @@ test.key1 = testvalue1 test.key2 = testvalue2 == stderr == EOF -notmuch config set database.path "${old_path}" +cp notmuch-config.bak notmuch-config +test_expect_equal_file EXPECTED OUTPUT + +cat < c_head2 +#include +#include +#include + +int main (int argc, char** argv) +{ + notmuch_database_t *db; + char *val; + notmuch_status_t stat; + char *msg = NULL; + + for (int i = 1; i < argc; i++) + if (strcmp (argv[i], "%NULL%") == 0) argv[i] = NULL; + + stat = notmuch_database_load_config (argv[1], + argv[2], + argv[3], + &db, + &msg); + if (stat != NOTMUCH_STATUS_SUCCESS && stat != NOTMUCH_STATUS_NO_CONFIG) { + fprintf (stderr, "error opening database\n%d: %s\n%s\n", stat, + notmuch_status_to_string (stat), msg ? msg : ""); + exit (1); + } +EOF + + +test_begin_subtest "notmuch_database_get_config (ndlc)" +echo NOTMUCH_CONFIG=$NOTMUCH_CONFIG +echo NOTMUCH_PROFILE=$NOTMUCH_PROFILE +echo HOME=$HOME +cat c_head2 - c_tail <<'EOF' | test_C ${MAIL_DIR} %NULL% %NULL% +{ + EXPECT0(notmuch_database_get_config (db, "test.key1", &val)); + printf("test.key1 = %s\n", val); + EXPECT0(notmuch_database_get_config (db, "test.key2", &val)); + printf("test.key2 = %s\n", val); +} +EOF +cat <<'EOF' >EXPECTED +== stdout == +test.key1 = testvalue1 +test.key2 = testvalue2 +== stderr == +EOF +test_expect_equal_file EXPECTED OUTPUT + + +test_begin_subtest "notmuch_database_get_config_list: all pairs (ndlc)" +cat c_head2 - c_tail <<'EOF' | test_C ${MAIL_DIR} ${NOTMUCH_CONFIG} %NULL% +{ + notmuch_config_list_t *list; + EXPECT0(notmuch_database_get_config_list (db, "", &list)); + for (; notmuch_config_list_valid (list); notmuch_config_list_move_to_next (list)) { + printf("%s %s\n", notmuch_config_list_key (list), notmuch_config_list_value(list)); + } + notmuch_config_list_destroy (list); +} +EOF +cat <<'EOF' >EXPECTED +== stdout == +aaabefore beforeval +key with spaces value, with, spaces! +test.key1 testvalue1 +test.key2 testvalue2 +zzzafter afterval +== stderr == +EOF +test_expect_equal_file EXPECTED OUTPUT + +test_begin_subtest "notmuch_database_get_config_list: one prefix (ndlc)" +cat c_head2 - c_tail <<'EOF' | test_C ${MAIL_DIR} ${NOTMUCH_CONFIG} %NULL% +{ + notmuch_config_list_t *list; + EXPECT0(notmuch_database_get_config_list (db, "test.key", &list)); + for (; notmuch_config_list_valid (list); notmuch_config_list_move_to_next (list)) { + printf("%s %s\n", notmuch_config_list_key (list), notmuch_config_list_value(list)); + } + notmuch_config_list_destroy (list); +} +EOF +cat <<'EOF' >EXPECTED +== stdout == +test.key1 testvalue1 +test.key2 testvalue2 +== stderr == +EOF test_expect_equal_file EXPECTED OUTPUT +test_begin_subtest "list by keys (ndlc)" +notmuch config set search.exclude_tags "foo;bar;fub" +notmuch config set new.ignore "sekrit_junk" +cat c_head2 - c_tail <<'EOF' | test_C ${MAIL_DIR} %NULL% %NULL% +{ + notmuch_config_key_t key; + for (key = NOTMUCH_CONFIG_FIRST; + key < NOTMUCH_CONFIG_LAST; + key = (notmuch_config_key_t)(key + 1)) { + const char *val = notmuch_config_get (db, key); + printf("%s\n", val ? val : "NULL" ); + } +} +EOF +cat <<'EOF' >EXPECTED +== stdout == +MAIL_DIR +MAIL_DIR +MAIL_DIR/.notmuch/hooks +MAIL_DIR/.notmuch/backups +foo;bar;fub +unread;inbox; +sekrit_junk +true +test_suite@notmuchmail.org +test_suite_other@notmuchmail.org;test_suite@otherdomain.org +Notmuch Test Suite +== stderr == +EOF +test_expect_equal_file EXPECTED OUTPUT + +test_begin_subtest "load default values (ndlc, nonexistent config)" +cat c_head2 - c_tail <<'EOF' | test_C ${MAIL_DIR} /nonexistent %NULL% +{ + notmuch_config_key_t key; + for (key = NOTMUCH_CONFIG_FIRST; + key < NOTMUCH_CONFIG_LAST; + key = (notmuch_config_key_t)(key + 1)) { + const char *val = notmuch_config_get (db, key); + printf("%s\n", val ? val : "NULL" ); + } +} +EOF +cat <<'EOF' >EXPECTED +== stdout == +MAIL_DIR +MAIL_DIR +MAIL_DIR/.notmuch/hooks +MAIL_DIR/.notmuch/backups + +inbox;unread +NULL +true +NULL +NULL +NULL +== stderr == +EOF +test_expect_equal_file EXPECTED OUTPUT + +backup_database +test_begin_subtest "override config from \${HOME}/.notmuch-config (ndlc)" +ovconfig=${HOME}/.notmuch-config +cp ${NOTMUCH_CONFIG} ${ovconfig} +old_NOTMUCH_CONFIG=${NOTMUCH_CONFIG} +unset NOTMUCH_CONFIG +notmuch --config=${ovconfig} config set test.key1 overridden-home +cat c_head2 - c_tail <<'EOF' | test_C ${MAIL_DIR} %NULL% %NULL% +{ + EXPECT0(notmuch_database_get_config (db, "test.key1", &val)); + printf("test.key1 = %s\n", val); + EXPECT0(notmuch_database_get_config (db, "test.key2", &val)); + printf("test.key2 = %s\n", val); +} +EOF +rm -f ${ovconfig} +NOTMUCH_CONFIG=${old_NOTMUCH_CONFIG} +cat <<'EOF' >EXPECTED +== stdout == +test.key1 = overridden-home +test.key2 = testvalue2 +== stderr == +EOF +test_expect_equal_file EXPECTED OUTPUT +restore_database + test_done