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Dhruvin Gandhi

Make REUSE compliant (main)


Dhruvin Gandhi

Add README.md



Dhruvin Gandhi

Refine the purpose of doug


Dhruvin Gandhi

Add guix-package?, and missing references


Dhruvin Gandhi

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README.md

# Doug

Utilities to serialize a GNU Guix channel

## Usage

To serialize all packages available in current profile except packages from the
[guix](https://git.savannah.gnu.org/git/guix.git) channel:

```scheme
(use-modules (json))
(use-modules (gnu packages))
(use-modules (doug))

(scm->json
  `((packages . ,(list->vector
                   (fold-packages
                     (lambda (p ps) (cons (package->alist p) ps))
                     '()
                     #:select? (negate guix-package?)))))
  #:pretty #t)
```

Above code will output a json object below:

```json
{
  "packages": [
    {
      "name": "...",
      "version": "...",
      "...": "..."
    }
  ]
}
```

### In the wild

#### To filter official guix packages using `guix-package?` function

- [~whereiseveryone/guixrus](https://git.sr.ht/~whereiseveryone/guixrus/commit/e5283f49dc76969317e8e97426bcb1c57848c968#scripts/lint-1-17)
- [~whereiseveryone/website](https://git.sr.ht/~whereiseveryone/website/commit/0b6fe9d02e18292b875de730aa0ebacd65289dfd#guixrus.scm-1-90)

## License

[GPL-3.0-or-later](./LICENSES/GPL-3.0-or-later.txt)