Issue 174 - Remove get_file_cert_trust hook and documentation and improve the docs on get_manifest_cert_trust (monotone)

Hello,

A new issue has been created and assigned
to you:

174 - Remove get_file_cert_trust hook and documentation and improve the docs on get_manifest_cert_trust
Project: monotone
Status: New
Reported by: Thomas Keller
Labels:
 Type:Documentation Issue
 Priority:Medium

Description:

The monotone manual still lists get_manifest_cert_trust and get_file_cert_trust as valid trust functions for monotone, but neither is used in modern monotone anymore.

get_file_cert_trust doesn't even have a reference in lua_hooks.{hh,cc} anymore and get_manifest_cert_trust is only used during migration from the old manifest format.

We should remove the former trust function in the documentation, tests and std_hooks.lua and document for the latter that it is no longer actively used in today's monotone, but only when a manifest-style db is migrated to the rosters format.

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Issue: https://code.monotone.ca/p/monotone/issues/174/