Use `-f --all` for conda clean up

repo2docker/buildpacks/conda/__init__.py

@@ -182,9 +182,8 @@ class CondaBuildPack(BaseImage):
                 '${NB_USER}',
                 r"""
                 conda env update -p {0} -f "{1}" && \
-                conda clean -tipsy && \
-                conda list -p {0} && \
-                rm -rf /srv/conda/pkgs
+                conda clean --all -f -y && \
+                conda list -p {0}
                 """.format(env_prefix, environment_yml)
             ))
         return super().get_assemble_scripts() + assembly_scripts

repo2docker/buildpacks/conda/install-miniconda.bash

@@ -68,12 +68,12 @@ if [[ -f /tmp/kernel-environment.yml ]]; then
 fi
 
 # Clean things out!
-conda clean -tipsy
-rm -rf /srv/conda/pkgs
+conda clean --all -f -y
 
 # Remove the big installer so we don't increase docker image size too much
 rm ${INSTALLER_PATH}
-# Remove pip cache created as part of installing miniconda
+
+# Remove the pip cache created as part of installing miniconda
 rm -rf /root/.cache
 
 chown -R $NB_USER:$NB_USER ${CONDA_DIR}