anaconda的fish shell支持

最近在用fish shell,但是无法使用conda的activate命令来激活环境.官方给的有解决方案

https://github.com/conda/conda/blob/5b97a96d78e65d8178eb60d36e0fc99cd5b3ab21/bin/conda.fish

将这个里面的内容复制到自己的config.fish在source一下就可以了

#

# Conda environment activate / deactivate functions for fish shell v2.2.0+.

#

# Ivan Smirnov (C)

#

#

# INSTALL

#

#     Source this file from the fish shell to enable activate / deactivate functions.

#     In order to automatically load these functions on fish startup, append

#

#         source (conda info --root)/bin/conda.fish

#

#     to the end of your ~/.config/config.fish file.

#

# USAGE

#

#     To activate an environment (via name or path), you can use one of the following:

#

#         activate ENV

#         conda activate ENV

#

#     To deactivate an environment, use one of:

#

#         deactivate

#         conda deactivate

#

#     To make the env name appear on the left side, set an environment variable:

#

#         set -gx CONDA_LEFT_PROMPT

#

#     To go back to making the env name appear on the right, erase that variable:

#

#         set -e CONDA_LEFT_PROMPT

# Require version fish v2.+ to be able to use array slices, `else if`

# and $status for command substitutions

if [ (echo (fish -v ^&) | sed 's/^.*version \([0-9]\)\..*$/\1/') -lt  ]

    echo 'Incompatible fish shell version; please upgrade to v2.0 or higher.'

    exit

end

function __conda_delete_function

    functions -e $argv

    if functions -q $argv

        functions -e $argv

    end

end

function __conda_restore_prompt

    if functions -q __fish_prompt_orig

        __conda_delete_function fish_prompt

        functions -c __fish_prompt_orig fish_prompt

        functions -e __fish_prompt_orig

    end

    if functions -q __fish_right_prompt_orig

        __conda_delete_function fish_right_prompt

        functions -c __fish_right_prompt_orig fish_right_prompt

        functions -e __fish_right_prompt_orig

    end

end

function __conda_backup_prompt

    functions -e __fish_prompt_orig

    if functions -q fish_prompt

        functions -c fish_prompt __fish_prompt_orig

        functions -e fish_prompt

    else

        function __fish_prompt_orig

        end

    end

    functions -e __fish_right_prompt_orig

    if functions -q fish_right_prompt

        functions -c fish_right_prompt __fish_right_prompt_orig

        functions -e fish_right_prompt

    else

        function __fish_right_prompt_orig

        end

    end

end

function __conda_echo_env

    set_color normal

    echo -n '('

    set_color -o green

    echo -n $CONDA_DEFAULT_ENV

    set_color normal

    echo -n ') '

end

# Inject environment name into fish_right_prompt / fish_prompt

function __conda_update_prompt

    if [ (conda '..changeps1') -eq  ]

        switch $argv[]

            case activate

                __conda_restore_prompt

                __conda_backup_prompt

                function fish_prompt

                    if set -q CONDA_LEFT_PROMPT

                        __conda_echo_env

                    end

                    __fish_prompt_orig

                end

                function fish_right_prompt

                    if not set -q CONDA_LEFT_PROMPT

                        __conda_echo_env

                    end

                    __fish_right_prompt_orig

                end

            case deactivate

                __conda_restore_prompt

        end

    end

end

# Convert colon-separated path to a legit fish list

function __conda_set_path

    set -gx PATH (echo $argv[] | tr : \n)

end

# Calls activate / deactivate functions if the first argument is activate or

# deactivate; otherwise, calls conda-<cmd> and passes the arguments through

function conda

    if [ (count $argv) -lt  ]

        command conda

    else

        if [ (count $argv) -gt  ]

            set ARGS $argv[..-]

        else

            set -e ARGS

        end

        switch $argv[]

            case activate deactivate

                eval $argv

            case '*'

                command conda $argv

        end

    end

end

# Equivalent to bash version of conda activate script

function activate --description 'Activate a conda environment.'

    if [ (count $argv) -lt  ]

        echo 'You need to specify a conda environment.'

        return

    end

    # deactivate an environment first if it's set

    if set -q CONDA_DEFAULT_ENV

        conda '..checkenv' $argv[]

        if [ $status =  ]

            __conda_set_path (conda '..deactivate')

            set -e CONDA_DEFAULT_ENV

            __conda_update_prompt deactivate

        else

            return

        end

    end

    # try to activate the environment

    set -l NEW_PATH (conda '..activate' $argv[])

    if [ $status =  ]

        __conda_set_path $NEW_PATH

        if [ (echo $argv[] | grep '/') ]

            pushd (dirname $argv[])

            set -gx CONDA_DEFAULT_ENV (pwd)/(basename $argv[])

            popd

        else

            set -gx CONDA_DEFAULT_ENV $argv[]

        end

        __conda_update_prompt activate

    else

        return $status

    end

end

# Equivalent to bash version of conda deactivate script

function deactivate --description 'Deactivate the current conda environment.'

    if set -q CONDA_DEFAULT_ENV  # don't deactivate the root environment

        set -l NEW_PATH (conda '..deactivate' $argv[])

        if [ $status =  ]

            __conda_set_path $NEW_PATH

            set -e CONDA_DEFAULT_ENV

            __conda_update_prompt deactivate

        else

            return $status

        end

    end

    # return

end