lib: add stub for notmuch_database_open_with_config

Initially document the intended API and copy the code from
notmuch_database_open_verbose. Most of the documented functionality is
not there yet.
This commit is contained in:
David Bremner 2020-08-08 11:16:36 -03:00
parent 4743e87c2c
commit e5f3c3ed50
6 changed files with 228 additions and 48 deletions

View file

@ -245,3 +245,37 @@ _notmuch_config_load_from_database (notmuch_database_t *notmuch)
return status;
}
notmuch_status_t
_notmuch_config_load_from_file (notmuch_database_t *notmuch,
GKeyFile *file)
{
notmuch_status_t status = NOTMUCH_STATUS_SUCCESS;
gchar **groups,**keys, *val;
if (notmuch->config == NULL)
notmuch->config = _notmuch_string_map_create (notmuch);
if (unlikely(notmuch->config == NULL)) {
status = NOTMUCH_STATUS_OUT_OF_MEMORY;
goto DONE;
}
for (groups = g_key_file_get_groups (file, NULL); *groups; groups++) {
for (keys = g_key_file_get_keys (file, *groups, NULL, NULL); *keys; keys++) {
char *absolute_key = talloc_asprintf(notmuch, "%s.%s", *groups, *keys);
val = g_key_file_get_value (file, *groups, *keys, NULL);
if (! val) {
status = NOTMUCH_STATUS_FILE_ERROR;
goto DONE;
}
_notmuch_string_map_set (notmuch->config, absolute_key, val);
talloc_free (absolute_key);
if (status)
goto DONE;
}
}
DONE:
return status;
}

View file

@ -707,6 +707,9 @@ struct _notmuch_indexopts {
/* config.cc */
notmuch_status_t
_notmuch_config_load_from_database (notmuch_database_t * db);
notmuch_status_t
_notmuch_config_load_from_file (notmuch_database_t * db, GKeyFile *file);
NOTMUCH_END_DECLS
#ifdef __cplusplus

View file

@ -301,53 +301,139 @@ typedef enum {
} notmuch_database_mode_t;
/**
* Open an existing notmuch database located at 'path'.
*
* The database should have been created at some time in the past,
* (not necessarily by this process), by calling
* notmuch_database_create with 'path'. By default the database should be
* opened for reading only. In order to write to the database you need to
* pass the NOTMUCH_DATABASE_MODE_READ_WRITE mode.
*
* An existing notmuch database can be identified by the presence of a
* directory named ".notmuch" below 'path'.
*
* The caller should call notmuch_database_destroy when finished with
* this database.
*
* In case of any failure, this function returns an error status and
* sets *database to NULL (after printing an error message on stderr).
*
* Return value:
*
* NOTMUCH_STATUS_SUCCESS: Successfully opened the database.
*
* NOTMUCH_STATUS_NULL_POINTER: The given 'path' argument is NULL.
*
* NOTMUCH_STATUS_OUT_OF_MEMORY: Out of memory.
*
* NOTMUCH_STATUS_FILE_ERROR: An error occurred trying to open the
* database file (such as permission denied, or file not found,
* etc.), or the database version is unknown.
*
* NOTMUCH_STATUS_XAPIAN_EXCEPTION: A Xapian exception occurred.
* Deprecated alias for notmuch_database_open_with_config with
* config_path=error_message=NULL
* @deprecated Deprecated as of libnotmuch 5.4 (notmuch 0.32)
*/
/* NOTMUCH_DEPRECATED(5, 4) */
notmuch_status_t
notmuch_database_open (const char *path,
notmuch_database_mode_t mode,
notmuch_database_t **database);
/**
* Like notmuch_database_open, except optionally return an error
* message. This message is allocated by malloc and should be freed by
* the caller.
* Deprecated alias for notmuch_database_open_with_config with
* config_path=NULL
*
* @deprecated Deprecated as of libnotmuch 5.4 (notmuch 0.32)
*
*/
/* NOTMUCH_DEPRECATED(5, 4) */
notmuch_status_t
notmuch_database_open_verbose (const char *path,
notmuch_database_mode_t mode,
notmuch_database_t **database,
char **error_message);
/**
* Open an existing notmuch database located at 'database_path', using
* configuration in 'config_path'.
*
* @param[in] database_path
* @parblock
* Path to existing database.
*
* A notmuch database is a Xapian database containing appropriate
* metadata.
*
* The database should have been created at some time in the past,
* (not necessarily by this process), by calling
* notmuch_database_create.
*
* If 'database_path' is NULL, use the location specified
*
* - in the environment variable NOTMUCH_DATABASE, if non-empty
*
* - in a configuration file, located as described under 'config_path'
*
* - by $XDG_DATA_HOME/notmuch/$PROFILE where XDG_DATA_HOME defaults
* to "$HOME/.local/share" and PROFILE as as discussed in
* 'profile'
*
* If 'database_path' is non-NULL, but does not appear to be a Xapian
* database, check for a directory '.notmuch/xapian' below
* 'database_path' (this is the behavior of
* notmuch_database_open_verbose pre-0.32).
*
* @endparblock
* @param[in] mode
* @parblock
* Mode to open database. Use one of #NOTMUCH_DATABASE_MODE_READ_WRITE
* or #NOTMUCH_DATABASE_MODE_READ_ONLY
*
* @endparblock
* @param[in] config_path
* @parblock
* Path to config file.
*
* Config file is key-value, with mandatory sections. See
* <em>notmuch-config(5)</em> for more information. The key-value pair
* overrides the corresponding configuration data stored in the
* database (see <em>notmuch_database_get_config</em>)
*
* If <em>config_path</em> is NULL use the path specified
*
* - in environment variable <em>NOTMUCH_CONFIG</em>, if non-empty
*
* - by <em>XDG_CONFIG_HOME</em>/notmuch/ where
* XDG_CONFIG_HOME defaults to "$HOME/.config".
*
* - by $HOME/.notmuch-config
*
* If <em>config_path</em> is "" (empty string) then do not
* open any configuration file.
* @endparblock
* @param[in] profile:
* @parblock
* Name of profile (configuration/database variant).
*
* If non-NULL, append to the directory / file path determined for
* <em>config_path</em> and <em>database_path</em>.
*
* If NULL then use
* - environment variable NOTMUCH_PROFILE if defined,
* - otherwise "default" for directories and "" (empty string) for paths.
*
* @endparblock
* @param[out] database
* @parblock
* Pointer to database object. May not be NULL.
*
* The caller should call notmuch_database_destroy when finished with
* this database.
*
* In case of any failure, this function returns an error status and
* sets *database to NULL.
*
* @endparblock
* @param[out] error_message
* If non-NULL, store error message from opening the database.
* Any such message is allocated by \a malloc(3) and should be freed
* by the caller.
*
* @retval NOTMUCH_STATUS_SUCCESS: Successfully opened the database.
*
* @retval NOTMUCH_STATUS_NULL_POINTER: The given \a database
* argument is NULL.
*
* @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.), or the database version is unknown.
*
* @retval NOTMUCH_STATUS_XAPIAN_EXCEPTION: A Xapian exception occurred.
*
* @since libnotmuch 5.4 (notmuch 0.32)
*/
notmuch_status_t
notmuch_database_open_with_config (const char *database_path,
notmuch_database_mode_t mode,
const char *config_path,
const char *profile,
notmuch_database_t **database,
char **error_message);
/**
* Retrieve last status string for given database.
*

View file

@ -32,30 +32,57 @@ notmuch_database_open_verbose (const char *path,
notmuch_database_mode_t mode,
notmuch_database_t **database,
char **status_string)
{
return notmuch_database_open_with_config (path, mode, "", NULL,
database, status_string);
}
notmuch_status_t
notmuch_database_open_with_config (const char *database_path,
notmuch_database_mode_t mode,
const char *config_path,
unused(const char *profile),
notmuch_database_t **database,
char **status_string)
{
notmuch_status_t status = NOTMUCH_STATUS_SUCCESS;
void *local = talloc_new (NULL);
notmuch_database_t *notmuch = NULL;
char *notmuch_path, *xapian_path, *incompat_features;
char *configured_database_path = NULL;
char *message = NULL;
struct stat st;
int err;
unsigned int version;
GKeyFile *key_file = NULL;
static int initialized = 0;
if (path == NULL) {
/* XXX TODO: default locations for NULL case, handle profiles */
if (config_path != NULL && ! EMPTY_STRING (config_path)) {
key_file = g_key_file_new ();
if (! g_key_file_load_from_file (key_file, config_path, G_KEY_FILE_NONE, NULL)) {
status = NOTMUCH_STATUS_FILE_ERROR;
goto DONE;
}
configured_database_path = g_key_file_get_value (key_file, "database", "path", NULL);
}
if (database_path == NULL)
database_path = configured_database_path;
if (database_path == NULL) {
message = strdup ("Error: Cannot open a database for a NULL path.\n");
status = NOTMUCH_STATUS_NULL_POINTER;
goto DONE;
}
if (path[0] != '/') {
if (database_path[0] != '/') {
message = strdup ("Error: Database path must be absolute.\n");
status = NOTMUCH_STATUS_PATH_ERROR;
goto DONE;
}
if (! (notmuch_path = talloc_asprintf (local, "%s/%s", path, ".notmuch"))) {
if (! (notmuch_path = talloc_asprintf (local, "%s/%s", database_path, ".notmuch"))) {
message = strdup ("Out of memory\n");
status = NOTMUCH_STATUS_OUT_OF_MEMORY;
goto DONE;
@ -89,8 +116,8 @@ notmuch_database_open_verbose (const char *path,
notmuch = talloc_zero (NULL, notmuch_database_t);
notmuch->exception_reported = false;
notmuch->status_string = NULL;
notmuch->path = talloc_strdup (notmuch, path);
notmuch->config = NULL;
notmuch->path = talloc_strdup (notmuch, database_path);
strip_trailing (notmuch->path, '/');
notmuch->writable_xapian_db = NULL;
@ -185,6 +212,11 @@ notmuch_database_open_verbose (const char *path,
if (status)
goto DONE;
if (key_file)
status = _notmuch_config_load_from_file (notmuch, key_file);
if (status)
goto DONE;
status = _notmuch_database_setup_standard_query_fields (notmuch);
if (status)
goto DONE;

View file

@ -343,12 +343,12 @@ cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR}
char *result;
EXPECT0(notmuch_database_close (db));
stat = notmuch_database_get_config (db, "foo", &result);
printf("%d\n", stat == NOTMUCH_STATUS_XAPIAN_EXCEPTION);
printf("%d\n", stat == NOTMUCH_STATUS_SUCCESS);
}
EOF
cat <<EOF > EXPECTED
== stdout ==
0
1
== stderr ==
EOF
test_expect_equal_file EXPECTED OUTPUT

View file

@ -16,7 +16,12 @@ int main (int argc, char** argv)
char *val;
notmuch_status_t stat;
EXPECT0(notmuch_database_open (argv[1], NOTMUCH_DATABASE_MODE_READ_WRITE, &db));
EXPECT0(notmuch_database_open_with_config (argv[1],
NOTMUCH_DATABASE_MODE_READ_WRITE,
argv[2],
NULL,
&db,
NULL));
EOF
@ -26,7 +31,7 @@ cat <<EOF > c_tail
EOF
test_begin_subtest "notmuch_database_{set,get}_config"
cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR}
cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR} ${NOTMUCH_CONFIG}
{
EXPECT0(notmuch_database_set_config (db, "test.key1", "testvalue1"));
EXPECT0(notmuch_database_set_config (db, "test.key2", "testvalue2"));
@ -46,7 +51,7 @@ test_expect_equal_file EXPECTED OUTPUT
test_begin_subtest "notmuch_database_get_config_list: empty list"
cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR}
cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR} ${NOTMUCH_CONFIG}
{
notmuch_config_list_t *list;
EXPECT0(notmuch_database_get_config_list (db, "nonexistent", &list));
@ -78,7 +83,7 @@ EOF
test_expect_equal_file EXPECTED OUTPUT
test_begin_subtest "notmuch_database_get_config_list: all pairs"
cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR}
cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR} ${NOTMUCH_CONFIG}
{
notmuch_config_list_t *list;
EXPECT0(notmuch_database_set_config (db, "zzzafter", "afterval"));
@ -123,7 +128,7 @@ EOF
test_expect_equal_file EXPECTED OUTPUT
test_begin_subtest "notmuch_database_get_config_list: one prefix"
cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR}
cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR} ${NOTMUCH_CONFIG}
{
notmuch_config_list_t *list;
EXPECT0(notmuch_database_get_config_list (db, "test.key", &list));
@ -142,7 +147,7 @@ EOF
test_expect_equal_file EXPECTED OUTPUT
test_begin_subtest "dump config"
cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR}
cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR} ${NOTMUCH_CONFIG}
{
EXPECT0(notmuch_database_set_config (db, "key with spaces", "value, with, spaces!"));
}
@ -160,7 +165,7 @@ test_expect_equal_file EXPECTED OUTPUT
test_begin_subtest "restore config"
notmuch dump --include=config >EXPECTED
cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR}
cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR} ${NOTMUCH_CONFIG}
{
EXPECT0(notmuch_database_set_config (db, "test.key1", "mutatedvalue"));
}
@ -169,4 +174,24 @@ notmuch restore --include=config <EXPECTED
notmuch dump --include=config >OUTPUT
test_expect_equal_file EXPECTED OUTPUT
backup_database
test_begin_subtest "override config from file"
notmuch config set test.key1 overridden
cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR} ${NOTMUCH_CONFIG}
{
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 = overridden
test.key2 = testvalue2
== stderr ==
EOF
test_expect_equal_file EXPECTED OUTPUT
restore_database
test_done