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update comparison #132

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59 changes: 36 additions & 23 deletions src/comparison-restic.md
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# Comparison between `rustic` and `restic`

Note that we regularly update this document to compare the latest versions of
rustic and restic. Currently, we compare restic 0.18.0 with rustic 0.10.0.
rustic and restic. Currently, we compare restic 0.18.1 with rustic 0.11.0.

## General differences

| | `restic` | `rustic` |
| --------------------- | ------------------------- | ------------------------------------------------------ |
| programming language | Go | Rust |
| development philosopy | conservative with changes | moving fast, add new features early |
| test coverage | ✅ | ❌ (43% in rustic_core) |
| returns error code | ✅ | (✅) only 0 or 1; not all commands support it |
| test coverage | ✅ | ❌ (47% in rustic_core) |
| available as library | ❌ | ✅ [rustic_core](https://crates.io/crates/rustic_core) |

## Core features introduced by rustic

rustic's goal is to implement all functionality/features restic offers - and
make some of them even better. It also implements new features which are missing
make most of them even better. It also implements new features which are missing
in restic.

This section is an advertisement of the most important features uniquely
Expand All @@ -32,19 +31,22 @@ introduced by rustic. Some have been already adopted by restic.
| additional snapshot information | (✅) (partly added) | ✅ (see below for details) |
| in-repo config | ❌ | ✅ (see below for details) |
| custom chunker config | ❌ | ✅ (min/max/average chunk size; fixed size chunker) |
| open repository using masterkey | ❌ | ✅ |
| `<snapshot>:<path>` syntax | ✅ (most commands) | ✅ |
| `latest~N` syntax | ❌ | ✅ |
| new command: `merge` | ❌ | ✅ |
| new command: `webdav` | ❌ | ✅ |
| `diff` with local files | ❌ | ✅ |
| `backup` can use .gitignore | ❌ (roadmap: 0.19) | ✅ |
| `backup` multiple snapshots at once | ❌ | ✅ |
| `backup` support for block devives | ❌ | ✅ |
| `check` uses existing cache | ❌ (roadmap: 0.19) | ✅ |
| show file history | ❌ | ✅ (`rustic find --path`) |
| more snapshot filter options | ❌ | ✅ (see below for details) |
| allow to log to file | ❌ | ✅ |
| log verbosity | `-v` or `--quiet` | `--log-level` |
| log verbosity | `-v` or `--quiet` | `--log-level-*` |
| telemetry support | ❌ | ✅ (for `backup`, Prometheus and OpenTelemetry) |
| interactive mode (TUI) | ❌ | ✅ |
| integrated interactive mode (TUI) | ❌ | ✅ |

## Supported storage backends

Expand Down Expand Up @@ -98,11 +100,11 @@ introduced by rustic. Some have been already adopted by restic.
| `repair snapshots` | ✅ | ✅ |
| `repoinfo` | ❌ | ✅ |
| `restore` | ✅ | ✅ |
| `rewrite` | ✅ | ❌ |
| `rewrite` | ✅ | ✅ |
| `self-update` | ✅ | ✅ |
| `show-config` | ❌ | ✅ |
| `snapshots` | ✅ | ✅ |
| `stats` | ✅ | ❌ (but there is `repoinfo`) |
| `stats` | ✅ | (✅) (in interactive mode) |
| `tag` | ✅ | ✅ |
| `unlock` | ✅ | lock-free |
| `webdav` | ❌ | ✅ |
Expand Down Expand Up @@ -131,6 +133,9 @@ introduced by rustic. Some have been already adopted by restic.
| `--insecure-no-password` | ✅ | ✅ (empty passwords work without extra option) |
| `--insecure-tls` | ✅ | ❌ |
| `--json` | ✅ | ✅ |
| `--key` | ❌ (no access via masterkey) | ✅ (or in config profile) |
| `--key-file` | ❌ (no access via masterkey) | ✅ (or in config profile) |
| `--key-command` | ❌ (no access via masterkey) | ✅ (or in config profile) |
| `--key-hint` | ✅ | ❌ |
| `--limit-download` | ✅ | (✅) (for opendal option `trottle`) |
| `--limit-upload` | ✅ | (✅) (for opendal option `trottle`) |
Expand All @@ -148,14 +153,14 @@ introduced by rustic. Some have been already adopted by restic.
| `--prometheus` | ❌ | ✅ (or in config profile, only for `backup` currently) |
| `--prometheus-user` | ❌ (no prometheus support) | ✅ (or in config profile) |
| `--prometheus-pass` | ❌ (no prometheus support) | ✅ (or in config profile) |
| `--quiet` | ✅ | ✅ |
| `--quiet` | ✅ | ✅ (use log-level configuration) |
| `--repo` | ✅ | ✅ (or in config profile) |
| `--repo-hot` | ❌ (no cold-storage support) | ✅ (or in config profile) |
| `--repository-file` | ✅ | ❌ (use `repository` in config profile instead) |
| `--retry-lock` | ✅ | not needed; lock-free |
| `--tls-client-cert` | ✅ | ❌ |
| `--use-profile` | ❌ (no config profile support) | ✅ (or in config profile for recursively using profiles) |
| `--verbose` (multiple times) | ✅ | ✅ `--log-level` |
| `--verbose` (multiple times) | ✅ | ✅ `--log-level-*` |
| `--warm-up` | ❌ (no cold-storage support) | ✅ (or in config profile) |
| `--warm-up-batch` | ❌ (no cold-storage support) | ✅ (or in config profile) |
| `--warm-up-wait` | ❌ (no cold-storage support) | ✅ (or in config profile) |
Expand Down Expand Up @@ -191,10 +196,11 @@ introduced by rustic. Some have been already adopted by restic.
| by exact pathlists | ❌ | ✅ `--filter-paths-exact` |
| by tags | ✅ `--tags` | ✅ `--filter-tags` |
| by exact tagists | ❌ | ✅ `--filter-tags-exact` |
| by date/time | ❌ | ✅ `--filter-before`, `filter-after` |
| by date/time | ❌ | ✅ `--filter-before`, `--filter-after` |
| by size | ❌ | ✅ `--filter-size` |
| by size added to repo | ❌ | ✅ `--filter-size-added` |
| custom `jq` syntax | ❌ | ✅ `--filter-jq` |
| n last | ❌ | ✅ `--filter-last` |

## Comparison of important commands

Expand Down Expand Up @@ -242,14 +248,18 @@ introduced by rustic. Some have been already adopted by restic.
| `--iexclude-file` | ✅ | ✅ `--iglob-file` |
| `--ignore-ctime` | ✅ | ✅ |
| `--ignore-inode` | ✅ | ✅ |
| `--ignore-devid` | ❌ | ✅ |
| `--init` | ❌ | ✅ |
| `--label` | ❌ | ✅ |
| `--no-require-git` | ❌ (no `--git-ignore`) | ✅ |
| `--no-scan` | ✅ | ✅ |
| `--one-file-system` | ✅ | ✅ |
| `--parent` | ✅ | ✅ |
| `--parent` | ✅ | ✅ (multiple parents are supported) |
| `--read-concurrency` | ✅ | ❌ (hardcoded) |
| `--set-atime` | ❌ | ✅ |
| `--set-blockdev` | ❌ | ✅ |
| `--set-ctime` | ❌ | ✅ |
| `--set-devid` | ❌ | ✅ |
| `--set-xattr` | ❌ | ✅ |
| `--skip-if-unchanged` | ✅ | ✅ |
| `--stdin` | ✅ | ✅ (use `-` as backup source) |
| `--stdin-filename` | ✅ | ✅ |
Expand Down Expand Up @@ -305,6 +315,7 @@ introduced by rustic. Some have been already adopted by restic.
| --------------------------------------- | -------- | -------- |
| allow to keep all XXX | ✅ | ✅ |
| respect "no delete" options in snapshot | ❌ | ✅ |
| respect "no delete" options in snapshot | ❌ | ✅ |

| option | `restic` | `rustic` (options also in config profile) |
| ------------------------------ | -------------------- | ----------------------------------------- |
Expand Down Expand Up @@ -361,16 +372,17 @@ introduced by rustic. Some have been already adopted by restic.

### `check`

| general | `restic` | `rustic` |
| ----------------------------- | --------------------------------------------- | ------------ |
| check index files | ✅ | ✅ |
| check index vs packs | ✅ | ✅ |
| check snapshot files | ✅ | ✅ |
| (optionally) check pack files | ✅ | ✅ |
| only check given snapshots | ❌ | ✅ |
| cache policy | create temporary (use existing: roadmap 0.18) | use existing |
| check cache integrity | ❌ | ✅ |
| check hot/cold integrity | ❌ (no cold storage support) | ✅ |
| general | `restic` | `rustic` |
| ----------------------------------- | --------------------------------------------- | ------------ |
| check index files | ✅ | ✅ |
| check index vs packs | ✅ | ✅ |
| check snapshot files | ✅ | ✅ |
| (optionally) check pack files | ✅ | ✅ |
| `read-data-subset` convenient names | ❌ | ✅ |
| only check given snapshots | ❌ | ✅ |
| cache policy | create temporary (use existing: roadmap 0.18) | use existing |
| check cache integrity | ❌ | ✅ |
| check hot/cold integrity | ❌ (no cold storage support) | ✅ |

| option | `restic` | `rustic` |
| -------------------- | ----------------------------- | --------------------- |
Expand Down Expand Up @@ -414,6 +426,7 @@ introduced by rustic. Some have been already adopted by restic.
| option | `restic` | `rustic` |
| --------------------------------------- | -------- | -------- |
| snapshot filtering options for `latest` | ✅ | ✅ |
| ls local files (using inclucde/exclude) | ❌ | ✅ |
| `--glob` | ❌ | ✅ |
| `--glob-file` | ❌ | ✅ |
| `--human-readable` | ✅ | ❌ |
Expand Down