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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 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.
^^^^^^^^^^^^^^^^^^^^^
@ -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
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,
but it takes a spec as an argument. You can use it to see the
``spack build-env`` functions much like the standard unix ``build-env``
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,
for example:
.. 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
``mpileaks@1.1%intel`` build runs.
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
$ 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
package's build environment.