This is mostly mechanical and changes how loggers are instantiated.
Logger is now associated with a context, passed around all methods,
(most methods had ctx, but had to add it in a few missing places).
By default Kopia does not produce any logs, but it can be overridden,
either locally for a nested context, by calling
ctx = logging.WithLogger(ctx, newLoggerFunc)
To override logs globally, call logging.SetDefaultLogger(newLoggerFunc)
This refactoring allowed removing dependency from Kopia repo
and go-logging library (the CLI still uses it, though).
It is now also possible to have all test methods emit logs using
t.Logf() so that they show up in failure reports, which should make
debugging of test failures suck less.
fixed some issues that prevented go test from passing on Windows:
- webdav client used \ instead of /
- need retries around mmap.Open()
- paths are prefixed with C:\ on windows
- time.Now() does not always move forward on Windows
Previously, it was possible for Flush() to miss in-flight writes,
but only when using repository manually since Uploader guarantees
there are no in-flight writes when it completes.
With this change Flush() will guarantee that any pending writes
completed before Flush() has started are guaranteed to be committed
to the repository before Flush() returns.
This was actually a regression introduced in #105.
Added regression test to prevent it from reoccurring.
Also introduced strongly typed content.ID and manifest.ID (instead of string)
This aligns identifiers across all layers of repository:
blob.ID
content.ID
object.ID
manifest.ID
This updates the terminology everywhere - blocks become blobs and
`storage.Storage` becomes `blob.Storage`.
Also introduced blob.ID which is a specialized string type, that's
different from CABS block ID.
Also renamed CLI subcommands from `kopia storage` to `kopia blob`.
While at it introduced `block.ErrBlockNotFound` and
`object.ErrObjectNotFound` that do not leak from lower layers.
