/lib/partman/commit.d/30parted is in ubiquity 2.18.7.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | #!/bin/sh
. /lib/partman/lib/base.sh
. /lib/partman/lib/commit.sh
for dev in $DEVICES/*; do
[ -d "$dev" ] || continue
cd $dev
open_dialog IS_CHANGED
read_line is_changed
close_dialog
[ "$is_changed" = yes ] || continue
disable_swap "$dev"
open_dialog COMMIT
close_dialog
device_cleanup_partitions
done
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