macOS
Homebrewverified · 100%
brew install bupstashlocal Homebrew formula metadata
MacPortsverified · 94%
sudo port install bupstashMacPorts ports tree · sysutils/bupstash/Portfile · source: api.github.com
brew
Install bupstash with Homebrew, apk, MacPorts, Nix, pacman
Easy and efficient encrypted backups. Version 0.12.0 via Homebrew; verified from local package data.
install
Additional install commands
Linux
Alpine Linux apkverified · 92%
sudo apk add bupstashAlpine Linux edge package indexes · bupstash · source: dl-cdn.alpinelinux.org
Nixverified · 92%
nix profile install nixpkgs#bupstashnixpkgs package indexes · pkgs/by-name/bu/bupstash/package.nix · source: api.github.com
Arch Linux pacmanverified · 92%
sudo pacman -S bupstashArch Linux sync databases · bupstash · source: geo.mirror.pkgbuild.com
overview
Package summary
Easy and efficient encrypted backups
Project links
Commands and aliases
- bupstash
history
Project history and usage
Bupstash is a Rust backup tool focused on encrypted, deduplicated, incremental backups with client-side encryption and remote repositories over SSH. It occupies the same practical space as modern deduplicating backup CLIs but makes encrypted metadata, queryable tags, and offline decryption keys central features.
Project history
The public repository was created in August 2020, and Andrew Chambers introduced Bupstash publicly in November 2020. The README and website describe a beta-stage tool designed for efficient deduplication, strong privacy, offline decryption keys, encrypted tag search, slow-network performance, restricted remote access controls, and low memory use.
The technical overview explains the implementation model: arbitrary data streams are chunked, deduplicated, encrypted client side, stored locally or remotely, and indexed with encrypted metadata. The design uses keyed hashes for addressing chunks, a rolling hash for split points, libsodium cryptography, hash trees for large streams, and client-side metadata sync for queries.
Adoption history
Bupstash gained enough command-line backup interest to be packaged across several ecosystems; the input metadata records apk, Homebrew, MacPorts, Nix, and Arch packages. Its adoption is narrower than older tools such as bup or Borg, but it has a clear niche among users who want encrypted deduplication without operating a large backup service.
How it is used
Typical usage starts by initializing a repository, creating a key file, setting `BUPSTASH_REPOSITORY` and `BUPSTASH_KEY`, then using commands such as `put`, `list`, `get`, `diff`, `restore`, `rm`, and `gc`. Bupstash can store file trees, tar streams, and command output, and its `put` command benefits from avoiding already-sent file content.
Why package nerds care
Bupstash is significant because it shows the post-Borg/Restic generation of backup tooling: single-binary CLI distribution, strong default encryption, SSH-friendly self-hosting, and deduplication that still works with encrypted data. Its key-separation model is especially attractive for package nerds thinking about ransomware-resistant unattended backups.
Timeline
- 2020-08: Public GitHub repository created.
- 2020-11-20: Introductory Bupstash blog post published.
- 2021: Project documentation covered garbage collection, encrypted metadata, and operational guides.
- 2026: Homebrew metadata lists Bupstash as a packaged encrypted-backup CLI.
Related projects
- Bupstash is related to bup by name and backup focus, and to Borg, Restic, Attic, Tarsnap, Duplicity, and rdiff-backup as part of the wider deduplicating and encrypted backup-tool family.
Sources
- https://acha.ninja/blog/introducing_bupstash/
- https://bupstash.io/
- https://bupstash.io/doc/guides/Getting%20Started.html
- https://bupstash.io/doc/man/bupstash.html
- https://github.com/andrewchambers/bupstash
- https://raw.githubusercontent.com/andrewchambers/bupstash/master/doc/technical_overview.md
- source_facts.package-manager
security posture
Risk level: blue
broad file, network, media, or database tool signal.
Risk classifier
blue risk · medium confidence · tool
Why
- broad file, network, media, or database tool signal
Signals
- text:backup,encrypt
Install behavior
- No Homebrew post-install hook is recorded in formula metadata.
- Homebrew bottle metadata is available for 10 platform targets.
- Installs with 1 runtime dependencies.
- Build metadata lists 2 build dependencies.
Recommended review
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
executables
Installed executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
bupstash | cli | global executable |
freshness
Version and freshness
These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.
page generated2026-07-08
manager version0.12.0
manager updated
local dataok
upstreamnot checked
latest detectednot detected
https://github.com/andrewchambers/bupstash
- infoNo package-manager update timestamp was available.low confidence
- infoNo cached GitHub release or tag data was available.https://github.com/andrewchambers/bupstashnone confidence
install metadata
Package metadata
| Package key | brew:bupstash |
|---|---|
| Version | 0.12.0 |
| Package manager | Homebrew |
| Package manager page | https://formulae.brew.sh/formula/bupstash |
| Homepage | https://bupstash.io |
| Repository | https://github.com/andrewchambers/bupstash |
| Upstream docs | https://bupstash.io/ |
| License | MIT |
| Source archive | https://github.com/andrewchambers/bupstash/releases/download/v0.12.0/bupstash-v0.12.0-src+deps.tar.gz |
| Dependencies | libsodium |
| Build dependencies | pkgconf, rust |
| Bottle | available (on arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, monterey, sonoma, ventura, x86_64_linux) |
| Homebrew post-install | not defined |
| Service | none declared |
registry facts
Source database details
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | bupstash |
| Version Scheme | 0 |
| Revision | 1 |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
source database matches
Other package-manager records
Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.
Nix95%
bupstash
nix profile install nixpkgs#bupstash- normalized package name match
- Matched by: Bupstash
apk95%
bupstash 0.12.0-r7
Easy and efficient encrypted backups
sudo apk add bupstash- License: MIT
- Architecture: x86_64
- Source Package: bupstash
- 1 dependencies
- 1 provides
- normalized package name match
- Matched by: Bupstash
apk95%
bupstash-doc 0.12.0-r7
Easy and efficient encrypted backups (documentation)
sudo apk add bupstash-doc- License: MIT
- Architecture: x86_64
- Source Package: bupstash
- normalized package name match
- Matched by: Bupstash
pacman95%
bupstash 0.12.0-4
A tool for encrypted backups
sudo pacman -S bupstash- License: MIT
- Architecture: x86_64
- 3 dependencies
- normalized package name match
- Matched by: Bupstash
MacPorts95%
bupstash
sudo port install bupstash- normalized package name match
- Matched by: Bupstash
source trail
Generated from repository data
This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.
Combined YAML source
View the package source record on GitHub.
Used sources
- Geiger risk classifier
- Nucleus package database
- av.db category and tag curation
- cross-ecosystem install command graph
- curated package history
- external package-manager database matches
- package relationship graph
- package version freshness
- package-page enrichment