Error when running `conda activate` in fish shell

[codemonkey800]

Issue: Running conda activate <env> throws an error when using it in fish shell.

Environment (conda list):

``` $ conda list # packages in environment at /Users/jasuncion/miniforge3: # # Name Version Build Channel brotlipy 0.7.0 py39h5161555_1003 conda-forge ca-certificates 2021.10.8 h4653dfc_0 conda-forge certifi 2021.10.8 py39h2804cbe_1 conda-forge cffi 1.15.0 py39h52b1de0_0 conda-forge charset-normalizer 2.0.9 pyhd8ed1ab_0 conda-forge colorama 0.4.4 pyh9f0ad1d_0 conda-forge conda 4.11.0 py39h2804cbe_0 conda-forge conda-package-handling 1.7.3 py39h5161555_1 conda-forge cryptography 36.0.0 py39hfb8cd70_0 conda-forge idna 3.1 pyhd3deb0d_0 conda-forge libffi 3.4.2 h3422bc3_5 conda-forge libzlib 1.2.11 hee7b306_1013 conda-forge ncurses 6.2 h9aa5885_4 conda-forge openssl 1.1.1l h3422bc3_0 conda-forge pip 21.3.1 pyhd8ed1ab_0 conda-forge pycosat 0.6.3 py39h5161555_1009 conda-forge pycparser 2.21 pyhd8ed1ab_0 conda-forge pyopenssl 21.0.0 pyhd8ed1ab_0 conda-forge pysocks 1.7.1 py39h2804cbe_4 conda-forge python 3.9.7 h54d631c_3_cpython conda-forge python_abi 3.9 2_cp39 conda-forge readline 8.1 hedafd6a_0 conda-forge requests 2.26.0 pyhd8ed1ab_1 conda-forge ruamel_yaml 0.15.80 py39h5161555_1006 conda-forge setuptools 59.4.0 py39h2804cbe_0 conda-forge six 1.16.0 pyh6c4a22f_0 conda-forge sqlite 3.37.0 h72a2b83_0 conda-forge tk 8.6.11 he1e0b03_1 conda-forge tqdm 4.62.3 pyhd8ed1ab_0 conda-forge tzdata 2021e he74cb21_0 conda-forge urllib3 1.26.7 pyhd8ed1ab_0 conda-forge wheel 0.37.0 pyhd8ed1ab_1 conda-forge xz 5.2.5 h642e427_1 conda-forge yaml 0.2.5 h642e427_0 conda-forge zlib 1.2.11 hee7b306_1013 conda-forge ```

Details about conda and system ( conda info ):

``` $ conda info active environment : base active env location : /Users/jasuncion/miniforge3 shell level : 1 user config file : /Users/jasuncion/.condarc populated config files : /Users/jasuncion/miniforge3/.condarc conda version : 4.11.0 conda-build version : not installed python version : 3.9.7.final.0 virtual packages : __osx=12.0.1=0 __unix=0=0 __archspec=1=arm64 base environment : /Users/jasuncion/miniforge3 (writable) conda av data dir : /Users/jasuncion/miniforge3/etc/conda conda av metadata url : None channel URLs : https://conda.anaconda.org/conda-forge/osx-arm64 https://conda.anaconda.org/conda-forge/noarch package cache : /Users/jasuncion/miniforge3/pkgs /Users/jasuncion/.conda/pkgs envs directories : /Users/jasuncion/miniforge3/envs /Users/jasuncion/.conda/envs platform : osx-arm64 user-agent : conda/4.11.0 requests/2.26.0 CPython/3.9.7 Darwin/21.1.0 OSX/12.0.1 UID:GID : 503:20 netrc file : None offline mode : False ```

Error when running conda activate:

``` $ conda activate # >>>>>>>>>>>>>>>>>>>>>> ERROR REPORT <<<<<<<<<<<<<<<<<<<<<< Traceback (most recent call last): File "/Users/jasuncion/miniforge3/lib/python3.9/site-packages/conda/cli/main.py", line 140, in main return activator_main() File "/Users/jasuncion/miniforge3/lib/python3.9/site-packages/conda/activate.py", line 1210, in main print(activator.execute(), end='') File "/Users/jasuncion/miniforge3/lib/python3.9/site-packages/conda/activate.py", line 178, in execute return getattr(self, self.command)() File "/Users/jasuncion/miniforge3/lib/python3.9/site-packages/conda/activate.py", line 152, in activate builder_result = self.build_activate(self.env_name_or_prefix) File "/Users/jasuncion/miniforge3/lib/python3.9/site-packages/conda/activate.py", line 300, in build_activate return self._build_activate_stack(env_name_or_prefix, False) File "/Users/jasuncion/miniforge3/lib/python3.9/site-packages/conda/activate.py", line 377, in _build_activate_stack self._replace_prefix_in_path(old_conda_prefix, prefix)) File "/Users/jasuncion/miniforge3/lib/python3.9/site-packages/conda/activate.py", line 630, in _replace_prefix_in_path if path_list[last_idx + 1] == library_bin_dir: IndexError: list index out of range `$ /Users/jasuncion/miniforge3/bin/conda shell.fish activate napari-org` environment variables: CIO_TEST= CONDA_DEFAULT_ENV=base CONDA_PREFIX=/Users/jasuncion/miniforge3 CONDA_PROMPT_MODIFIER=(base) CONDA_PYTHON_EXE=/Users/jasuncion/miniforge3/bin/python CONDA_ROOT=/Users/jasuncion/miniforge3 CONDA_SHLVL=1 CURL_CA_BUNDLE= PATH=/Users/jasuncion/miniforge3/bin:/Users/jasuncion/miniforge3/condabin:/ opt/homebrew/bin:/Users/jasuncion/projects/misc/dotfiles/bin:node_modu les/.bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Users/jasuncion /.local/share/nvm/v16.13.0/bin:/Users/jasuncion:/Users/jasuncion/minif orge3/bin REQUESTS_CA_BUNDLE= SSL_CERT_FILE= fish_color_valid_path=--underline active environment : base active env location : /Users/jasuncion/miniforge3 shell level : 1 user config file : /Users/jasuncion/.condarc populated config files : /Users/jasuncion/miniforge3/.condarc conda version : 4.11.0 conda-build version : not installed python version : 3.9.7.final.0 virtual packages : __osx=12.0.1=0 __unix=0=0 __archspec=1=arm64 base environment : /Users/jasuncion/miniforge3 (writable) conda av data dir : /Users/jasuncion/miniforge3/etc/conda conda av metadata url : None channel URLs : https://conda.anaconda.org/conda-forge/osx-arm64 https://conda.anaconda.org/conda-forge/noarch package cache : /Users/jasuncion/miniforge3/pkgs /Users/jasuncion/.conda/pkgs envs directories : /Users/jasuncion/miniforge3/envs /Users/jasuncion/.conda/envs platform : osx-arm64 user-agent : conda/4.11.0 requests/2.26.0 CPython/3.9.7 Darwin/21.1.0 OSX/12.0.1 UID:GID : 503:20 netrc file : None offline mode : False An unexpected error has occurred. Conda has prepared the above report. If submitted, this report will be used by core maintainers to improve future releases of conda. Would you like conda to send this report to the core maintainers? ```

[hmaarrfk]

Do other conda installers work with fish? If not, please post an issue to upstream conda.

[hmaarrfk]

did you use conda init fish or is it teying to sourxe the bash rc file?