-mkdir $NEW_VERSION
-svn add $NEW_VERSION
-find $CURRENT_VERSION -depth 1 \! -name "upgrade_*" \! -name ".*" -exec svn mv {} $NEW_VERSION \;
-svn cp ${CURRENT_VERSION}/upgrade_999_version.sql $NEW_VERSION
+# Create the new schema directory.
+mkdir "$NEW_VERSION"
+# Git doesn't track empty folders, no need for 'git add "$NEW_VERSION"'.
+
+echo "New schema version '$TARGET_DB_NAME/version/$NEW_VERSION' created." >&2
+echo "Create any needed 'upgrade_[...].sql' scripts in this folder." >&2
+
+# Don't move any files over. Schema version upgrade scripts are now stored
+# independently of the main SQL files in order to make the repository history
+# more useful and easier to work with.
+
+# Granted, this script doesn't do anything one couldn't easily manually do.
+# I'd argue that's a good thing. Though as this script offers documentation
+# and guidance for contributors new to the database schema system as well as
+# helping migrate those used to the older method, it seems worthwhile keeping.