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atteggiani merged 8 commits into from
Mar 11, 2026
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Note on setting spack packages version #1157

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Note on setting spack packages version
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12 changes: 12 additions & 0 deletions docs/models/build_a_model/build_source_code.md
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Expand Up @@ -103,6 +103,18 @@ spack env activate -p mom5_dev
<terminal-line data="input" directory="[mom5_dev]" class="spack" lineDelay=0></terminal-line>
</terminal-window>

### Set Spack Packages version

By default, spack installations will checkout the latest from the default branch of [access-spack-packages](https://github.com/ACCESS-NRI/access-spack-packages). Occasionally, there will be changes to access-spack-packages which are incompatible with the spack environment being installed.

To exactly match the version of spack packages to the released model, checkout the version (e.g. `2025.03.006`) defined in [ACCESS-ESM1.5 Spack deployment]({{esm1_5_build_config}}/blob/-/config/versions.json):

```
cd /g/data/$PROJECT/$USER/spack/0.22/spack-packages
git fetch --unshallow
git switch -c <spack_packages_version> <spack_packages_version>
```

## Compile Spack environment packages (optional)

It is recommended to first compile all the packages in the newly created _Spack_ environment as is, without making any changes.
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