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Docs: "spack env" is in the meantime called "spack build-env" (#15233)

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lib/spack/docs/packaging_guide.rst
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@ -2913,7 +2913,7 @@ discover its dependencies.
If you want to see the environment that a package will build with, or If you want to see the environment that a package will build with, or
if you want to run commands in that environment to test them out, you if you want to run commands in that environment to test them out, you
can use the :ref:`cmd-spack-env` command, documented can use the :ref:`cmd-spack-build-env` command, documented
below. below.
^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^
@ -4332,31 +4332,31 @@ directory, install directory, package directory) and others change to
core spack locations. For example, ``spack cd --module-dir`` will take you to core spack locations. For example, ``spack cd --module-dir`` will take you to
the main python source directory of your spack install. the main python source directory of your spack install.
.. _cmd-spack-env: .. _cmd-spack-build-env:
^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^
``spack env`` ``spack build-env``
^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^
``spack env`` functions much like the standard unix ``env`` command, ``spack build-env`` functions much like the standard unix ``build-env``
but it takes a spec as an argument. You can use it to see the command, but it takes a spec as an argument. You can use it to see the
environment variables that will be set when a particular build runs, environment variables that will be set when a particular build runs,
for example: for example:
.. code-block:: console .. code-block:: console
$ spack env mpileaks@1.1%intel $ spack build-env mpileaks@1.1%intel
This will display the entire environment that will be set when the This will display the entire environment that will be set when the
``mpileaks@1.1%intel`` build runs. ``mpileaks@1.1%intel`` build runs.
To run commands in a package's build environment, you can simply To run commands in a package's build environment, you can simply
provide them after the spec argument to ``spack env``: provide them after the spec argument to ``spack build-env``:
.. code-block:: console .. code-block:: console
$ spack cd mpileaks@1.1%intel $ spack cd mpileaks@1.1%intel
$ spack env mpileaks@1.1%intel ./configure $ spack build-env mpileaks@1.1%intel ./configure
This will cd to the build directory and then run ``configure`` in the This will cd to the build directory and then run ``configure`` in the
package's build environment. package's build environment.