snapdir-cli 1.3.0

snapdir CLI: the `snapdir` binary exposing all subcommands.
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```
$ snapdir sync --help
Copy a snapshot (its manifest + objects) directly between two stores, streaming through memory — no local staging

Usage: snapdir sync [OPTIONS] --from <STORE> --to <STORE>

Options:
      --cache-dir <DIR>
          Directory where the object cache is stored
          
          [env: SNAPDIR_CACHE_DIR=]

      --from <STORE>
          Source store URI: `protocol://location/path`

      --catalog <NAME>
          Catalog adapter to use
          
          [env: SNAPDIR_CATALOG=]

      --to <STORE>
          Destination store URI: `protocol://location/path`

      --store <URI>
          Store URI: `protocol://location/path`

      --id <ID>
          Snapshot ID to operate on

      --exclude <PATTERN>
          Exclude paths matching PATTERN

      --paths <PATTERN>
          Only include paths matching PATTERN

      --linked
          Use symlinks instead of copies

      --force
          Force an action to run

      --purge
          Purge objects with invalid checksums

      --keep
          Keep the staging directory

      --dryrun
          Run without making any changes

      --verbose
          Enable verbose output

      --debug
          Enable debug output

      --no-progress
          Disable the live progress line (transfers still run)
          
          [env: SNAPDIR_NO_PROGRESS=]

  -q, --quiet
          Suppress stderr banners and the live progress line

      --color <WHEN>
          When to colorize progress output: auto, always, or never
          
          [default: auto]

      --location <DIR|STORE>
          Context (directory or store) for catalog queries

  -j, --jobs <N>
          Max concurrent object transfers (0/auto = number of CPUs, capped)
          
          [env: SNAPDIR_JOBS=]

      --limit-rate <RATE>
          Limit total transfer bandwidth, e.g. 10M, 512K, 1G (wget-style; aggregate across all transfers)
          
          [env: SNAPDIR_LIMIT_RATE=]

      --adaptive[=<FRACTION>]
          Adaptively tune transfer concurrency/bandwidth toward a fraction (default 0.8) of measured CPU/network capacity; backs off under contention. Opt-in; default is full speed.
          
          Presence (with or without a value) opts in; the optional value is the politeness fraction in `(0.0, 1.0]`.
          
          [env: SNAPDIR_ADAPTIVE=]

      --max-jobs <N>
          Adaptive concurrency ceiling (only meaningful with `--adaptive`). When unset, defaults to the auto concurrency; clamped to a sane upper bound
          
          [env: SNAPDIR_MAX_JOBS=]

  -h, --help
          Print help (see a summary with '-h')

  -V, --version
          Print version

```