From 5c9be9c76021ac54f425f10e8f935532d3197de5 Mon Sep 17 00:00:00 2001
From: Jeyachandran Rathnam <jai.rathnem@gmail.com>
Date: Thu, 22 Dec 2022 13:26:37 -0500
Subject: [PATCH] Check sqlite database file exists before porting. (#14692)

To avoid creating an empty SQLite file if the given path
is incorrect.
---
 changelog.d/14692.misc              | 1 +
 synapse/_scripts/synapse_port_db.py | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)
 create mode 100644 changelog.d/14692.misc

diff --git a/changelog.d/14692.misc b/changelog.d/14692.misc
new file mode 100644
index 000000000..0edac253b
--- /dev/null
+++ b/changelog.d/14692.misc
@@ -0,0 +1 @@
+Check that the SQLite database file exists before porting to PostgreSQL.
\ No newline at end of file
diff --git a/synapse/_scripts/synapse_port_db.py b/synapse/_scripts/synapse_port_db.py
index d850e54e1..c463b60b2 100755
--- a/synapse/_scripts/synapse_port_db.py
+++ b/synapse/_scripts/synapse_port_db.py
@@ -1307,7 +1307,7 @@ def main() -> None:
     sqlite_config = {
         "name": "sqlite3",
         "args": {
-            "database": args.sqlite_database,
+            "database": "file:{}?mode=rw".format(args.sqlite_database),
             "cp_min": 1,
             "cp_max": 1,
             "check_same_thread": False,