From c6c01f963b28a14f2688ef8ec20b81c65f2bfc19 Mon Sep 17 00:00:00 2001
From: "Jason K. Moore" <moorepants@gmail.com>
Date: Sat, 18 Feb 2023 06:22:32 +0100
Subject: [PATCH] Change CI to use mambaforge.

---
 .github/workflows/tests.yml | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 5cc2742f..381cd1a2 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -36,22 +36,21 @@ jobs:
           activate-environment: test-environment
           python-version: ${{ matrix.python-version }}
           channels: conda-forge
+          miniforge-variant: Mambaforge
       - name: Install basic dependencies
         run: |
-          conda install -n base conda-libmamba-solver
-          conda config --set solver libmamba
-          conda install -q -y lapack "libblas=*=*netlib" cython>=0.26 "ipopt=${{ matrix.ipopt-version }}" numpy>=1.15 pkg-config>=0.29.2 setuptools>=39.0
+          mamba install -q -y lapack "libblas=*=*netlib" cython>=0.26 "ipopt=${{ matrix.ipopt-version }}" numpy>=1.15 pkg-config>=0.29.2 setuptools>=39.0
       - name: Install CyIpopt
         run: |
           rm pyproject.toml
           python -m pip install .
-          conda list
+          mamba list
       - name: Test with pytest
         run: |
           python -c "import cyipopt"
-          conda remove lapack
-          conda install -q -y cython>=0.26 "ipopt=${{ matrix.ipopt-version }}" numpy>=1.15 pkg-config>=0.29.2 setuptools>=39.0 pytest>=3.3.2
-          conda list
+          mamba remove lapack
+          mamba install -q -y cython>=0.26 "ipopt=${{ matrix.ipopt-version }}" numpy>=1.15 pkg-config>=0.29.2 setuptools>=39.0 pytest>=3.3.2
+          mamba list
           pytest
       - name: Test with pytest and scipy, new ipopt
         # cyipopt can build with these dependencies, but it seems impossible to
@@ -59,6 +58,6 @@ jobs:
         # Ipopt needed different libfortrans.
         if: (matrix.ipopt-version != '3.12' && matrix.python-version != '3.11') || (matrix.ipopt-version != '3.12' && matrix.python-version != '3.10' && matrix.os != 'macos-latest')
         run: |
-          conda install -q -y -c conda-forge cython>=0.26 "ipopt=${{ matrix.ipopt-version }}" numpy>=1.15 pkg-config>=0.29.2 setuptools>=39.0 pytest>=3.3.2 scipy>=0.19.0
-          conda list
+          mamba install -q -y -c conda-forge cython>=0.26 "ipopt=${{ matrix.ipopt-version }}" numpy>=1.15 pkg-config>=0.29.2 setuptools>=39.0 pytest>=3.3.2 scipy>=0.19.0
+          mamba list
           pytest