Archival for Hackage is currently in development:
Hackage is the main package manager for the Haskell ecosystem.
Software Heritage archives Hackage by querying
returns the list of packages updated since a given date.
It then dispatches loading tasks to a dedicated loader, which downloads a list of revisions
https://hackage.haskell.org/package/pkgname-version/revisions/ and packages
Metadata from Hackage is archived as part of each package (in
Source code from Hackage is currently only archived on Software Heritage’s staging infrastructure.