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jmcarcell committed Apr 11, 2024
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# [Spack](https://github.com/spack/spack) package repo for Key4HEP software packaging
# [Spack](https://github.com/spack/spack) package repo for Key4hep software packaging

This repository holds a set of Spack recipes for key4hep software.

Consult the the [key4hep documentation website](https://cern.ch/key4hep) and the
[spack documentation](https://spack.readthedocs.io/en/latest/) for more details.

## Spack Versions
The spack recipes in this repository should work with any version of spack (0.19
is known to work and it's possible older versions work too, newer than 0.19
works). Some of the environments require spack 0.20 or newer since they use (or
they include a file that uses) the `require` keyword which was introduced in
[spack 0.20](https://github.com/spack/spack/releases/tag/v0.20.0).
The spack recipes in this repository should work with any recent version of
spack (at least 0.20 is needed because they use the `require` keyword which was
introduced in [spack
0.20](https://github.com/spack/spack/releases/tag/v0.20.0)). The nightlies are
currently built against the commit of spack that is in the
[`.latest-commit`](https://github.com/key4hep/key4hep-spack/blob/main/.latest-commit)
file in this repository. From time to time the most recent commit is picked to
get the latest version of the spack recipes. The commit of spack that was used
to build a stack can be found in the file `.spack-commit` that is shipped with
every stack on cvmfs.


## Repository Contents

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