/usr/share/gforge/db/20100505-alter-user-preference.sql is in gforge-db-postgresql 5.3.2+20141104-3+deb8u3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 | ALTER TABLE user_preferences ALTER COLUMN preference_name TYPE character varying(40);
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