Merge pull request #1422 from lucascolley/conda-build

DOC: mention conda-build dependency

asv/environment.py

@@ -448,7 +448,8 @@ def get_environment_class_by_name(environment_type):
     tool_names = [cls.tool_name for cls in util.iter_subclasses(Environment)]
     raise EnvironmentUnavailable(
         f"Unknown environment type '{environment_type}'. "
-        f"Allowed values based on existing plugins are {tool_names}."
+        f"Allowed values based on existing plugins are {tool_names}. "
+        f"If you are trying to use `mamba`, you may need to install `conda-build`."
     )
 
 

docs/source/credits.rst

@@ -48,6 +48,7 @@ The rest of the contributors are listed in alphabetical order.
 - Kacper Kowalik (Xarthisius)
 - Kevin Anderson
 - @Leenkiz
+- Lucas Colley
 - Lucy Jiménez
 - Marc Garcia
 - @mariamadronah

docs/source/installing.rst

@@ -22,7 +22,8 @@ the ``python`` requirements are as noted in the ``pyproject.toml``.
 For managing the environments, one of the following packages is required:
 
 - `libmambapy <https://mamba.readthedocs.io/en/latest/python_api.html>`__,
-  which is typically part of ``mamba``. In this case ``conda`` must be present too.
+  which is typically part of ``mamba``. In this case ``conda`` and ``conda-build``
+  must be present too.
 
 - `virtualenv <http://virtualenv.org/>`__, which is required since
   venv is not compatible with other versions of Python.