- Refactor man pages:
- Move description of environmental variables into pkg_install.conf(5)
- Remove a bunch of dead references
- Avoid using hard-coded path names that can easily be overridden by
the user.
- Refactor pkgdb related logic, so that -K behaves consistently.
- Add some helper functions to isolate more places from the pkgdb
layout.
- Sync license list.
- Handle PKG_REFCOUNT_DBDIR consistently as option too.
- Utilize connection cache from libfetch.
- Add helper target for cat pages updates.
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