rustic 0.6.0

Finally, rustic 0.6.0 is released.

This is the first release using the rustic_core crate for basically all rustic functionality. This was a very big refactor, many thanks go to @simonsan!
Even though we took great care to keep all functionality, please keep a good eye on this release due to the big changes!

Breaking Changes

• We refactored to rustic_core. This means that most of the underlying logic can now be used as a library. The CLI is now a thin wrapper around the library. This also means that the CLI is now much more customizable. Please check out the documentation for more information.

Bug Fixes

• Retrying backend access didn't work for long operations. This has been fixed
  (and retries are now customizable)
• Prune did abort when no time was set for a pack-do-delete. This case is now
  handled correctly.
• The zstd compression library led to data corruption in very unlikely cases.
  This has been fixed by a dependency update.
• The glob option did only work with absolute files. This has been fixed.
• Non-unicode link targets are now correctly handled on Unix (after this has
  been added to the restic repo format).
• The --dry-run option now works as expected in the init command.

Features

• New global configuration paths are available, located at /etc/rustic/*.toml
  or %PROGRAMDATA%/rustic/config/*.toml, depending on your platform.
• REST backend: Now allows to use custom TLS root certificates.
• Environment variables for programms called by rustic can now be set in the
  config files.
• Creation of new keys now enforces confirmation of entered key. This helps to
  prevent mistype of passwords during the initial entry
• Wait for password-command to successfully exit, allowing to input something
  into the command, and read password from stdout.
• backup: New option --init to initialize repository if it doesn't exist yet.
• backup: New option no-require-git - if enabled, a git repository is not
  required to apply git-ignore rule.
• restore: The restore algorithm has been improved and should now be faster for
  remote repositories.
• restore: Files are now allocated just before being first processed. This
  allows easier resumed restores.
• repoinfo: Added new options --json, --only-files, --only-index.
• check: Add check if time is set for packs-to-delete.
• ls: Options --long (-l) and --summary (-s) have been added.
• forget: Option --json has been added.