Resetup miniconda or reinstall conda-build on failure in Conda package GH action

Author: antonwolfy

.github/workflows/conda-package.yml

@@ -56,6 +56,7 @@ jobs:
           fetch-depth: 0
 
       - name: Setup miniconda
+        id: setup_miniconda
         uses: conda-incubator/setup-miniconda@d2e6a045a86077fb6cad6f5adf368e9076ddaa8d # v3.1.0
         with:
           miniforge-version: latest
@@ -65,9 +66,16 @@ jobs:
           python-version: ${{ env.CONDA_BUILD_INDEX_ENV_PY_VER}}
           activate-environment: 'build'
 
-      # 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
+      - name: ReSetup miniconda
+        if: steps.setup_miniconda.outcome == 'failure'
+        uses: conda-incubator/setup-miniconda@d2e6a045a86077fb6cad6f5adf368e9076ddaa8d # v3.1.0
+        with:
+          miniforge-version: latest
+          use-mamba: 'true'
+          channels: conda-forge
+          conda-remove-defaults: 'true'
+          python-version: ${{ matrix.python }}
+          activate-environment: ${{ env.TEST_ENV_NAME }}
 
       - name: Store conda paths as envs
         shell: bash -el {0}
@@ -76,6 +84,11 @@ jobs:
           echo "WHEELS_OUTPUT_FOLDER=$GITHUB_WORKSPACE${{ runner.os == 'Linux' && '/' || '\\' }}" >> $GITHUB_ENV
 
       - name: Install conda-build
+        id: install_conda_build
+        run: mamba install conda-build=${{ env.CONDA_BUILD_VERSION}}
+
+      - name: ReInstall conda-build
+        if: steps.install_conda_build.outcome == 'failure'
         run: mamba install conda-build=${{ env.CONDA_BUILD_VERSION}}
 
       - name: Build conda package