From 0eca524021c7d62f361ac591cb45addaa9c86934 Mon Sep 17 00:00:00 2001
From: Sutou Kouhei <kou@clear-code.com>
Date: Wed, 5 Jun 2024 17:13:37 +0900
Subject: [PATCH] GH-41964: WIP: [CI][C++] Debug mamba error

---
 ci/appveyor-cpp-setup.bat | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ci/appveyor-cpp-setup.bat b/ci/appveyor-cpp-setup.bat
index 5c4a11832d5ee..62ea727bc3e8e 100644
--- a/ci/appveyor-cpp-setup.bat
+++ b/ci/appveyor-cpp-setup.bat
@@ -67,7 +67,8 @@ set CONDA_PACKAGES=%CONDA_PACKAGES% --file=ci\conda_env_cpp.txt
 conda config --add channels conda-forge
 conda config --remove channels defaults
 @rem Arrow conda environment
-mamba create -n arrow -y -c conda-forge ^
+mamba clean --all -y
+mamba create -n arrow -y -c conda-forge -v ^
   --file=ci\conda_env_python.txt ^
   %CONDA_PACKAGES%  ^
   "ccache" ^