The restore --target-action documentation states:

This option is effective when hot_standby=on is configured in postgresql.conf, otherwise the cluster will be promoted when the target is reached or there is no more WAL in the archive.

However, I don't believe this is accurate. In recent versi

This command should ask for confirmation before applying the update and probably warn if the server is not in the same country anymore.

This should be easy to do for any newcomer who wants to contribute.

This makes things easier for people searching for a CRC variant that matches some other existing code; compare https://docs.rs/crc/1.8.1/crc/crc32/constant.IEEE_TABLE.html with web.mit.edu/freebsd/head/sys/libkern/crc32.c.

In the readme file, To measure the time, internal console.time(() and console.timeEnd() methods were used. should read To measure the time, internal console.time() and console.timeEnd() methods were used.

Precalculate some sort of tree or list. Anything should be better than iterating through all changes, even though it works fast enough below 20000 history operations.