Setting envvars_force_uppercase to false lowercases other environment variables #14934
Description
Checklist
- I added a descriptive title
- I searched open reports and couldn't find a duplicate
What happened?
When setting the envvars_force_uppercase to false:
conda config --set envvars_force_uppercase false
This changes to the activation code to output the following (conda shell.posix activate):
unset _CE_M
unset _CE_CONDA
PS1='(base) '
export path='/Users/username/miniconda3/bin:/Users/username/miniconda3/condabin'
export conda_prefix='/Users/username/miniconda3'
export conda_shlvl='1'
export conda_default_env='base'
export conda_prompt_modifier='(base) '
export CONDA_EXE='/Users/username/miniconda3/bin/conda'
export CONDA_PYTHON_EXE='/Users/username/miniconda3/bin/python'
You'll notice that environment variables like PATH and CONDA_PREFIX are lowercase which is not what we want. This causes all kinds of weird side-effects further on in the session. For example, look at my changing command prompt:
(test) root@7a7752c8176e:/# conda deactivate
(test) root@7a7752c8176e:/# conda activate base
(base) (test) root@7a7752c8176e:/# conda activate test
(test) (test) root@7a7752c8176e:/# conda activate base
(base) (test) (test) root@7a7752c8176e:/# conda activate test
(test) (test) (test) root@7a7752c8176e:/# 😬
Furthermore, it also seems like this can break activation altogether when a variable has been set beforehand for the environment via:
conda env config vars set foo=bar --name test
This was the error I received on osx-arm64 with zsh after trying to activate this environment:
(eval):export:4: path: inconsistent type for assignment
Conda Info
active environment : base
active env location : /opt/conda
shell level : 1
user config file : /root/.condarc
populated config files : /opt/conda/.condarc
/root/.condarc
conda version : 25.3.1
conda-build version : not installed
python version : 3.13.2.final.0
solver : libmamba (default)
virtual packages : __archspec=1=x86_64
__conda=25.3.1=0
__glibc=2.36=0
__linux=5.15.49=0
__unix=0=0
base environment : /opt/conda (writable)
conda av data dir : /opt/conda/etc/conda
conda av metadata url : None
channel URLs : https://repo.anaconda.com/pkgs/main/linux-64
https://repo.anaconda.com/pkgs/main/noarch
https://repo.anaconda.com/pkgs/r/linux-64
https://repo.anaconda.com/pkgs/r/noarch
package cache : /opt/conda/pkgs
/root/.conda/pkgs
envs directories : /opt/conda/envs
/root/.conda/envs
platform : linux-64
user-agent : conda/25.3.1 requests/2.32.3 CPython/3.13.2 Linux/5.15.49-linuxkit debian/12.10 glibc/2.36 solver/libmamba conda-libmamba-solver/25.4.0 libmambapy/2.0.5 aau/0.7.0 c/. s/. e/.
UID:GID : 0:0
netrc file : None
offline mode : FalseConda Config
==> /opt/conda/.condarc <==
channels:
- defaults
==> /root/.condarc <==
channels:
- defaults
envvars_force_uppercase: FalseConda list
n/aAdditional Context
I tested against 25.5.x and 25.3.x and saw similar behavior.
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