spdx

Functions and patterns for SPDX

`compatible<license_id>`

Verifies that the given License expression is acceptable against a list of known-good licenses. All the licenses identifiers must be in the SPDX format.

https://spdx.github.io/spdx-spec/v2-draft/SPDX-license-list/

The list of known licenses must be given as a parameter. A single good license is also accepted.

Example:

pattern only-copyleft = spdx::compatible<["OSL-2.0", "GPL-2.0", "CC-BY-SA-2.0"]>

The following input would fail:

"MIT OR Apache-2.0"

`license-expr`

Verifies that the input is a valid SPDX License expression.

https://spdx.github.io/spdx-spec/v2-draft/SPDX-license-list/

Example:

pattern expression = spdx::license-expr

The following input would fail:

"MIT OR Bogus2.0"