tev: Thermal Expansion Valve

tev is a tool for interacting with Steam game files, with a current focus on Steam backups.

Installation

$ cargo install tev

To use tev backup mount on Windows systems, you will also need to install Dokan.

Usage

Inspect a Steam file

tev supports inspecting several kinds of Steam files:

$ tev inspect "path/to/backups/Half-Life Alyx/sku.sis"
SKU: Half-Life: Alyx (Disk 1/1)
Backup: 1
Content type: 3
Apps:
- 546560
Depots:
- 546561, manifest: 6340340699246199351, Size: 53.77 GiB
- 546563, manifest: 8142939566738022382, Size: 652.94 MiB

Verify a Steam backup

tev can verify that a Steam backup is internally consistent:

$ tev backup verify "path/to/backups/Half-Life Alyx/"
Game: Half-Life: Alyx
Verifying depot 546561
Verifying depot 546563
Depot files match SKU!

Mount a Steam backup

tev can mount an existing Steam backup as a directory:

$ tev backup mount --manifest-dir path/to/manifests path/to/backups/GameName ./mountpoint
[Ctrl-C to stop]

While tev backup mount is running, the folder ./mountpoint will contain a read-only view of the game's files, with the same folder layout as when the game is installed.

Reading the contents of a Steam backup requires access to its manifest file, which is not included in backups. When you install a game that you own, its manifest file is cached in the depotcache folder inside the main Steam install folder.

License

Licensed under either of

• Apache License, Version 2.0, (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.