From eb704659e2f2a4b5534054f38c958b577d6ba4c8 Mon Sep 17 00:00:00 2001
From: Michael Norris <mnorris@meta.com>
Date: Fri, 10 Jan 2025 18:42:07 -0800
Subject: [PATCH] Start migration off defaults to conda-forge channel (#4126)

Summary: Pull Request resolved: https://github.com/facebookresearch/faiss/pull/4126

Differential Revision: D68043874
---
 .github/actions/build_cmake/action.yml | 6 ++++++
 .github/actions/build_conda/action.yml | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/.github/actions/build_cmake/action.yml b/.github/actions/build_cmake/action.yml
index fa20974af5..23995bb173 100644
--- a/.github/actions/build_cmake/action.yml
+++ b/.github/actions/build_cmake/action.yml
@@ -22,18 +22,23 @@ runs:
     - name: Setup miniconda
       uses: conda-incubator/setup-miniconda@v3
       with:
+        channels: conda-forge,nodefaults
+        conda-remove-defaults: "true"
         python-version: '3.11'
         miniconda-version: latest
     - name: Configure build environment
       shell: bash
       run: |
         # initialize Conda
+        conda config --show channels
         conda config --set solver libmamba
         conda update -y -q conda
         echo "$CONDA/bin" >> $GITHUB_PATH
+        conda config --show channels
 
         conda install -y -q python=3.11 cmake=3.26 make=4.2 swig=4.0 "numpy<2" scipy=1.14 pytest=7.4 gflags=2.2
 
+        conda config --show channels
         # install base packages for ARM64
         if [ "${{ runner.arch }}" = "ARM64" ]; then
           conda install -y -q -c conda-forge openblas=0.3 gxx_linux-aarch64=14.2 sysroot_linux-aarch64=2.17
@@ -65,6 +70,7 @@ runs:
         else
           conda install -y -q "pytorch<2.5" -c pytorch
         fi
+        conda config --show channels
     - name: ROCm - Install dependencies
       if: inputs.rocm == 'ON'
       shell: bash
diff --git a/.github/actions/build_conda/action.yml b/.github/actions/build_conda/action.yml
index ff860007b2..eb1167086f 100644
--- a/.github/actions/build_conda/action.yml
+++ b/.github/actions/build_conda/action.yml
@@ -31,6 +31,8 @@ runs:
       with:
         python-version: '3.11'
         miniconda-version:  latest
+        channels: conda-forge,nodefaults
+        conda-remove-defaults: "true"
     - name: Install conda build tools
       shell: ${{ steps.choose_shell.outputs.shell }}
       run: |