This takes a config path parameter, and can use that to decide the
new database location.
---
 bindings/python-cffi/tests/test_database.py |  2 +-
 lib/notmuch.h                               | 27 +++++++++++
 lib/open.cc                                 | 50 ++++++++++++---------
 test/T560-lib-error.sh                      |  2 +-
 4 files changed, 58 insertions(+), 23 deletions(-)

diff --git a/bindings/python-cffi/tests/test_database.py b/bindings/python-cffi/tests/test_database.py
index a2c69de6..9b3219c0 100644
--- a/bindings/python-cffi/tests/test_database.py
+++ b/bindings/python-cffi/tests/test_database.py
@@ -80,7 +80,7 @@ class TestCreate:
             db.create(tmppath)
 
     def test_create_existing(self, tmppath, db):
-        with pytest.raises(errors.FileError):
+        with pytest.raises(errors.DatabaseExistsError):
             dbmod.Database.create(path=tmppath)
 
     def test_close(self, db):
diff --git a/lib/notmuch.h b/lib/notmuch.h
index 6d22d328..5e07a01a 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);
+/**
+ * Create a new notmuch database located at 'database_path', using
+ * configuration in 'config_path'.
+ *
+ * For description of arguments, @see notmuch_database_open_with_config
+ *
+ * @retval NOTMUCH_STATUS_SUCCESS: Successfully created the database.
+ *
+ * @retval NOTMUCH_STATUS_DATABASE_EXISTS: Database already exists, not created
+ *
+ * @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_create_with_config (const char *database_path,
+				     const char *config_path,
+				     const char *profile,
+				     notmuch_database_t **database,
+				     char **error_message);
 
 /**
  * Retrieve last status string for given database.
diff --git a/lib/open.cc b/lib/open.cc
index 6046868a..577fc88a 100644
--- a/lib/open.cc
+++ b/lib/open.cc
@@ -363,30 +363,32 @@ notmuch_status_t
 notmuch_database_create_verbose (const char *path,
 				 notmuch_database_t **database,
 				 char **status_string)
+{
+    return notmuch_database_create_with_config (path, "", NULL, database, status_string);
+}
+
+notmuch_status_t
+notmuch_database_create_with_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;
     notmuch_database_t *notmuch = NULL;
     char *notmuch_path = NULL;
     char *message = NULL;
+    GKeyFile *key_file = NULL;
     struct stat st;
     int err;
 
-    if (path == NULL) {
-	message = strdup ("Error: Cannot create a database for a NULL path.\n");
-	status = NOTMUCH_STATUS_NULL_POINTER;
-	goto DONE;
-    }
-
-    if (path[0] != '/') {
-	message = strdup ("Error: Database path must be absolute.\n");
-	status = NOTMUCH_STATUS_PATH_ERROR;
+    if ((status = _choose_database_path (config_path, profile, &key_file, &database_path, &message)))
 	goto DONE;
-    }
 
-    err = stat (path, &st);
+    err = stat (database_path, &st);
     if (err) {
 	IGNORE_RESULT (asprintf (&message, "Error: Cannot create database at %s: %s.\n",
-				 path, strerror (errno)));
+				 database_path, strerror (errno)));
 	status = NOTMUCH_STATUS_FILE_ERROR;
 	goto DONE;
     }
@@ -394,25 +396,31 @@ notmuch_database_create_verbose (const char *path,
     if (! S_ISDIR (st.st_mode)) {
 	IGNORE_RESULT (asprintf (&message, "Error: Cannot create database at %s: "
 				 "Not a directory.\n",
-				 path));
+				 database_path));
 	status = NOTMUCH_STATUS_FILE_ERROR;
 	goto DONE;
     }
 
-    notmuch_path = talloc_asprintf (NULL, "%s/%s", path, ".notmuch");
+    notmuch_path = talloc_asprintf (NULL, "%s/%s", database_path, ".notmuch");
 
     err = mkdir (notmuch_path, 0755);
-
     if (err) {
-	IGNORE_RESULT (asprintf (&message, "Error: Cannot create directory %s: %s.\n",
-				 notmuch_path, strerror (errno)));
-	status = NOTMUCH_STATUS_FILE_ERROR;
+	if (errno == EEXIST) {
+	    status = NOTMUCH_STATUS_DATABASE_EXISTS;
+	} else {
+	    IGNORE_RESULT (asprintf (&message, "Error: Cannot create directory %s: %s.\n",
+				     notmuch_path, strerror (errno)));
+	    status = NOTMUCH_STATUS_FILE_ERROR;
+	}
 	goto DONE;
     }
 
-    status = notmuch_database_open_verbose (path,
-					    NOTMUCH_DATABASE_MODE_READ_WRITE,
-					    &notmuch, &message);
+    /* XXX this reads the config file twice, which is a bit wasteful */
+    status = notmuch_database_open_with_config (database_path,
+						NOTMUCH_DATABASE_MODE_READ_WRITE,
+						config_path,
+						profile,
+						&notmuch, &message);
     if (status)
 	goto DONE;
 
diff --git a/test/T560-lib-error.sh b/test/T560-lib-error.sh
index 260ac120..ade376ef 100755
--- a/test/T560-lib-error.sh
+++ b/test/T560-lib-error.sh
@@ -93,7 +93,7 @@ EOF
 cat <<'EOF' >EXPECTED
 == stdout ==
 == stderr ==
-Error: Cannot create a database for a NULL path.
+Error: Cannot open a database for a NULL path.
 EOF
 test_expect_equal_file EXPECTED OUTPUT
 
-- 
2.30.0
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