Buckets:
| # kernels info | |
| Use `kernels info` to describe a kernel from a Hub repo ID or a local path. | |
| It prints the kernel metadata (name, version, license, upstream/source | |
| repositories, Python dependencies, and supported backends). To list the | |
| build variants of a kernel and their compatibility with the current system, | |
| use [kernels variants](cli-variants). | |
| ## Usage | |
| ```bash | |
| kernels info <repo_id_or_path> | |
| ``` | |
| When the argument is an existing local directory, it is treated as a kernel | |
| repository with build variants in its `build/` directory. Otherwise it is | |
| treated as a Hub repo ID. | |
| Options: | |
| - `--revision <revision>`: describe a specific branch, tag, or commit | |
| (Hub only). Cannot be used together with `--version`. | |
| - `--version <version>`: describe a specific kernel version (Hub only). | |
| Cannot be used together with `--revision`. When neither is given, the | |
| latest version is used (or `main` for unversioned repositories). | |
| - `--json`: print the kernel information as JSON for machine-readable output. | |
| ## Examples | |
| Describe a kernel on the Hub: | |
| ```bash | |
| kernels info kernels-community/activation | |
| ``` | |
| Describe a local kernel repository (e.g. after `kernel-builder build-and-copy`): | |
| ```bash | |
| kernels info ./relu | |
| ``` | |
| Get machine-readable output: | |
| ```bash | |
| kernels info --json kernels-community/activation | |
| ``` | |
| ## Example Output | |
| ```text | |
| Repository: kernels-community/activation | |
| Revision: v1 | |
| Name: activation | |
| Version: 1 | |
| License: Apache-2.0 | |
| Upstream: - | |
| Source: - | |
| Python dependencies: - | |
| Backends: cuda, metal | |
| ``` | |
| ## See Also | |
| - [kernels variants](cli-variants) - List kernel variants and compatibility decisions | |
| - [kernels download](cli-download) - Download locked kernels | |
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