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update restic comparison
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‎src/comparison-restic.md

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# Comparison between `rustic` and `restic`
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Note that we regularly update this document to compare the latest versions of
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rustic and restic. Currently, we compare restic 0.17.0 with rustic 0.8.0.
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rustic and restic. Currently, we compare restic 0.17.1 with rustic 0.9.1.
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## General differences
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| | `restic` | `rustic` |
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| ---------------------- | ------------------------------------------------- | -------------------------------------------------- |
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| programming language | Go | Rust |
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| test coverage | ✅ | ❌ (45% in rustic_core) |
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| test coverage | ✅ | ❌ (46% in rustic_core) |
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| config profile support | ❌ (wrapper tools available) | ✅ |
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| locking | lock files in repository | lock-free operations, two-phase pruning |
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| cold storage | ❌ (no direct support, may work in special cases) | ✅ (full support including warm-up of needed data) |
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| in-repo config | ❌ | ✅ (see below for details) |
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| logging | `-v` or `--quiet`, no log-file support | `--log-level`, supports log-file output |
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| returns error code | ✅ | ❌ |
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| logging | `-v` or `--quiet` | `--log-level` |
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| allow to log to file | ❌ | ✅ |
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| returns error code | ✅ | (✅) only 0 or 1; not all commands support it |
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| available as library | ❌ | ✅ rustic_core |
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| interactive mode (TUI) | ❌ | ✅ |
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| `--insecure-tls` | ✅ | ❌ |
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| `--json` | ✅ | ✅ |
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| `--key-hint` | ✅ | ❌ |
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| `--limit-download` | ✅ | ❌ |
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| `--limit-upload` | ✅ | ❌ |
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| `--limit-download` | ✅ | ❌ (for opendal option `trottle`) |
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| `--limit-upload` | ✅ | ❌ (for opendal option `trottle`) |
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| `--log-file` | ❌ | ✅ (or in config profile) |
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| `--no-cache` | ✅ | ✅ (or in config profile) |
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| `--no-extra-verify` | ✅ needed in every call | ✅ configure once using `config` |
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## Snapshot filtering
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| filter | `restic` | `rustic` (options also in config profile) |
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| -------- | ------------ | ------------------------------------------------- |
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| by host | ✅ `--host` | ✅ `--filter-host` |
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| by label | ❌ | ✅ `--filter-label` |
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| by paths | ✅ `--paths` | ✅ `--filter-paths` |
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| by tags | ✅ `--tags` | ✅ `--filter-tags` |
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| custom | ❌ | ✅ `--filter-fn` (using [Rhai](https://rhai.rs/)) |
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| filter | `restic` | `rustic` (options also in config profile) |
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| --------------------- | ------------ | ------------------------------------------------- |
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| by host | ✅ `--host` | ✅ `--filter-host` |
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| by label | ❌ | ✅ `--filter-label` |
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| by paths | ✅ `--paths` | ✅ `--filter-paths` |
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| by exact pathlists | ❌ | ✅ `--filter-paths-exact` |
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| by tags | ✅ `--tags` | ✅ `--filter-tags` |
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| by exact tagists | ❌ | ✅ `--filter-tags-exact` |
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| by date/time | ❌ | ✅ `--filter-before`, `filter-after` |
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| by size | ❌ | ✅ `--filter-size` |
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| by size added to repo | ❌ | ✅ `--filter-size-added` |
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| custom | ❌ | ✅ `--filter-fn` (using [Rhai](https://rhai.rs/)) |
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## Comparison of important commands
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| `--skip-if-unchanged` | ✅ | ✅ `--skip-identical-parent` |
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| `--stdin` | ✅ | ✅ (use `-` as backup source) |
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| `--stdin-filename` | ✅ | ✅ |
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| `--stdin-from-command` | ✅ | ❌ |
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| `--stdin-from-command` | ✅ | ✅ |
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| `--tag` | ✅ | ✅ |
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| `--time` | ✅ | ✅ |
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| `--with-atime` | ✅ | ✅ |
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| check index vs packs | ✅ | ✅ |
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| check snapshot files | ✅ | ✅ |
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| (optionally) check pack files | ✅ | ✅ |
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| only check given snapshots | ❌ | ✅ |
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| cache policy | create temporary (use existing: roadmap 0.18) | use existing |
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| check cache integrity | ❌ | ✅ |
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| check hot/cold integrity | ❌ (no cold storage support) | ✅ |
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| option | `restic` | `rustic` |
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| -------------------- | ----------------------------- | --------------------- |
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| `--read-data` | ✅ | ✅ |
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| `--read-data-subset` | ✅ | ❌ |
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| `--read-data-subset` | ✅ | ✅ |
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| `--trust-cache` | ❌ (no cache integrity check) | ✅ |
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| `--with-cache` | ✅ | ✅ (default behavior) |
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| general | `restic` | `rustic` |
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| ----------------------------------------- | -------- | -------- |
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| summarize identical snapshots (like `+3`) | ❌ | ✅ |
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| show summary information (sizes) | ❌ (WIP) | ✅ |
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| show summary information (sizes) | ✅ | ✅ |
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| option | `restic` | `rustic` |
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| -------------------------- | -------------------- | -------------------------- |
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| summarize snapshots with identical result (like `+3`) | ❌ | ✅ |
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| fast searching for given full paths | ❌ | ✅ |
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| option | `restic` | `rustic` |
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| ------------------------------ | -------------------------- | ------------------------- |
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| `--all` | ❌ (no summarizing) | ✅ |
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| `--blob` | ✅ | ❌ |
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| `--glob` | ✅ (give patterns as args) | ✅ |
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| `--group-by` | ❌ | ✅ |
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| `--ignore-case` | ✅ | ✅ (`--iglob`) |
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| `--long` | ✅ | ❌ (default: long output) |
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| `--newest` | ✅ | ❌ |
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| `--numeric-uid-gid` | ❌ (default: numeric ids) | ✅ |
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| `--oldest` | ✅ | ❌ |
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| `--pack` | ✅ | ❌ |
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| `--path` (filter snapshots) | ✅ | ✅ (use `--filter-path`) |
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| `--path` (full path to search) | ❌ | ✅ |
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| `--show-pack-id` | ✅ | ❌ |
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| `--show-misses` | ❌ | ✅ |
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| `--snapshot` | ✅ | ✅ (give ids as args) |
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| `--tag` | ✅ | ✅ (use `--filter-tags`) |
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| `--tree` | ✅ | ❌ |
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| option | `restic` | `rustic` |
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| ------------------------------ | -------------------------- | -------------------------- |
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| `--all` | ❌ (no summarizing) | ✅ |
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| `--blob` | ✅ | ❌ |
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| `--glob` | ✅ (give patterns as args) | ✅ |
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| `--group-by` | ❌ | ✅ |
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| `--ignore-case` | ✅ | ✅ (`--iglob`) |
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| `--long` | ✅ | ❌ (default: long output) |
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| `--newest` | ✅ | (✅) use `--filter-before` |
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| `--numeric-uid-gid` | ❌ (default: numeric ids) | ✅ |
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| `--oldest` | ✅ | ✅ use `--filter-after` |
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| `--pack` | ✅ | ❌ |
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| `--path` (filter snapshots) | ✅ | ✅ `--filter-path` |
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| `--path` (full path to search) | ❌ | ✅ |
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| `--show-pack-id` | ✅ | ❌ |
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| `--show-misses` | ❌ | ✅ |
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| `--snapshot` | ✅ | ✅ (give ids as args) |
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| `--tag` | ✅ | ✅ `--filter-tags` |
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| `--tree` | ✅ | ❌ |
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### `diff`
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