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| author | Massimiliano Culpo <massimiliano.culpo@gmail.com> | 2024-01-22 22:18:00 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-01-22 13:18:00 -0800 |
| commit | 66813460c0777a4a2bbeb071db3cd7318f382811 (patch) | |
| tree | b338c03fcb18881603fc4f0822aa107b75008c6d /var | |
| parent | ed9d49591545c3c3b9286345f89fd9929235ecfd (diff) | |
| download | spack-66813460c0777a4a2bbeb071db3cd7318f382811.tar.gz spack-66813460c0777a4a2bbeb071db3cd7318f382811.tar.bz2 spack-66813460c0777a4a2bbeb071db3cd7318f382811.tar.xz spack-66813460c0777a4a2bbeb071db3cd7318f382811.zip | |
Add syntactic sugar for "strong preferences" and "conflicts" (#41832)
Currently requirements allow to express "strong preferences" and "conflicts" from
configuration using a convoluted syntax:
```yaml
packages:
zlib-ng:
require:
# conflict on %clang
- one_of: ["%clang", "@:"]
# Strong preference for +shared
- any_of: ["+shared", "@:"]
```
This PR adds syntactic sugar so that the same can be written as:
```yaml
packages:
zlib-ng:
conflict:
- "%clang"
prefer:
- "+shared"
```
Preferences written in this way are "stronger" that the ones documented at:
- https://spack.readthedocs.io/en/latest/packages_yaml.html#package-preferences
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