Enable option to remove 'defaults' which might be implicitly added to conda configuration (#2164)

Author: antonwolfy

.github/workflows/build-sphinx.yml

@@ -107,18 +107,12 @@ jobs:
         uses: conda-incubator/setup-miniconda@d2e6a045a86077fb6cad6f5adf368e9076ddaa8d # v3.1.0
         with:
           miniforge-version: latest
-          use-mamba: true
+          use-mamba: 'true'
           channels: conda-forge
+          conda-remove-defaults: 'true'
           python-version: ${{ env.python-ver }}
           activate-environment: 'docs'
 
-      # Here is an issue in conda gh-12356 causing adding defaults to the list of channels
-      # upon running `conda config --append channels conda-forge`, while mamba requires to have only conda-forge channel
-      - name: Remove defaults channel
-        run: |
-          conda config --remove channels defaults
-          conda config --show
-
       # Sometimes `mamba install ...` fails due to slow download speed rate, so disable the check in mamba
       - name: Disable speed limit check in mamba
         run: echo "MAMBA_NO_LOW_SPEED_LIMIT=1" >> $GITHUB_ENV

.github/workflows/conda-package.yml

@@ -59,18 +59,12 @@ jobs:
         uses: conda-incubator/setup-miniconda@d2e6a045a86077fb6cad6f5adf368e9076ddaa8d # v3.1.0
         with:
           miniforge-version: latest
-          use-mamba: true
+          use-mamba: 'true'
           channels: conda-forge
+          conda-remove-defaults: 'true'
           python-version: ${{ matrix.python }}
           activate-environment: 'build'
 
-      # Here is an issue in conda gh-12356 causing adding defaults to the list of channels
-      # upon running `conda config --append channels conda-forge`, while mamba requires to have only conda-forge channel
-      - name: Remove defaults channel
-        run: |
-          conda config --remove channels defaults
-          conda config --show
-
       # Sometimes `mamba install ...` fails due to slow download speed rate, so disable the check in mamba
       - name: Disable speed limit check in mamba
         run: echo "MAMBA_NO_LOW_SPEED_LIMIT=1" >> $GITHUB_ENV
@@ -154,14 +148,12 @@ jobs:
         uses: conda-incubator/setup-miniconda@d2e6a045a86077fb6cad6f5adf368e9076ddaa8d # v3.1.0
         with:
           miniforge-version: latest
-          use-mamba: true
+          use-mamba: 'true'
           channels: conda-forge
+          conda-remove-defaults: 'true'
           python-version: ${{ matrix.python }}
           activate-environment: ${{ env.TEST_ENV_NAME }}
 
-      - name: Remove defaults channel
-        run: conda config --remove channels defaults
-
       - name: Install conda-index
         run: mamba install conda-index=${{ env.CONDA_INDEX_VERSION }}
 
@@ -283,14 +275,12 @@ jobs:
         uses: conda-incubator/setup-miniconda@d2e6a045a86077fb6cad6f5adf368e9076ddaa8d # v3.1.0
         with:
           miniforge-version: latest
-          use-mamba: true
+          use-mamba: 'true'
           channels: conda-forge
+          conda-remove-defaults: 'true'
           python-version: ${{ matrix.python }}
           activate-environment: ${{ env.TEST_ENV_NAME }}
 
-      - name: Remove defaults channel
-        run: conda config --remove channels defaults
-
       - name: Store conda paths as envs
         run: |
           @echo on
@@ -428,14 +418,12 @@ jobs:
         uses: conda-incubator/setup-miniconda@d2e6a045a86077fb6cad6f5adf368e9076ddaa8d # v3.1.0
         with:
           miniforge-version: latest
-          use-mamba: true
+          use-mamba: 'true'
           channels: conda-forge
+          conda-remove-defaults: 'true'
           python-version: ${{ matrix.python }}
           activate-environment: 'upload'
 
-      - name: Remove defaults channel
-        run: conda config --remove channels defaults
-
       - name: Install anaconda-client
         run: mamba install anaconda-client
 
@@ -467,15 +455,13 @@ jobs:
       - uses: conda-incubator/setup-miniconda@d2e6a045a86077fb6cad6f5adf368e9076ddaa8d # v3.1.0
         with:
           miniforge-version: latest
-          use-mamba: true
+          use-mamba: 'true'
           channels: conda-forge
-          run-post: false
+          conda-remove-defaults: 'true'
+          run-post: 'false'
           python-version: '3.12'
           activate-environment: 'cleanup'
 
-      - name: Remove defaults channel
-        run: conda config --remove channels defaults
-
       - name: Install anaconda-client
         run: mamba install anaconda-client
 

.github/workflows/generate_coverage.yaml

@@ -65,18 +65,12 @@ jobs:
         uses: conda-incubator/setup-miniconda@d2e6a045a86077fb6cad6f5adf368e9076ddaa8d # v3.1.0
         with:
           miniforge-version: latest
-          use-mamba: true
+          use-mamba: 'true'
           channels: conda-forge
+          conda-remove-defaults: 'true'
           python-version: ${{ env.python-ver }}
           activate-environment: 'coverage'
 
-      # Here is an issue in conda gh-12356 causing adding defaults to the list of channels
-      # upon running `conda config --append channels conda-forge`, while mamba requires to have only conda-forge channel
-      - name: Remove defaults channel
-        run: |
-          conda config --remove channels defaults
-          conda config --show
-
       # Sometimes `mamba install ...` fails due to slow download speed rate, so disable the check in mamba
       - name: Disable speed limit check in mamba
         run: echo "MAMBA_NO_LOW_SPEED_LIMIT=1" >> $GITHUB_ENV