Refactor the source data types to reuse existing logic and update to
the latest protocol.
The `Blob` and `Tree` data types are updated to be backed by `File`
and `Directory` respectively. This allows the construction of them to
be much simpler and reuse any existing logic on those types. This also
lead to the removal of `ObjectType` and `Info`.
The `Revision` type was removed in favour of using the `Revision`
trait.
The `Revisions` type was renamed to `View`, while also renaming the
`revision` module to `view`. A `View` is a simple encoding of what a
peer's "view" would look like, i.e. what references do they have. This
also required the introduction of getting free-form categories in the
reference db, i.e. `refs/<category>`, and so a `Categories` iterator
was also introduced.
Signed-off-by: Fintan Halpenny <fintan.halpenny@gmail.com>
X-Clacks-Overhead: GNU Terry Pratchett
This is a straightforward move of all the code source browsing modules
into a module called `source`.
Signed-off-by: Fintan Halpenny <fintan.halpenny@gmail.com>
X-Clacks-Overhead: GNU Terry Pratchett
Fintan Halpenny