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101 lines
3.0 KiB
Fish
101 lines
3.0 KiB
Fish
5 years ago
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# This file must be used using `source bin/activate.fish` *within a running fish ( http://fishshell.com ) session*.
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# Do not run it directly.
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function _bashify_path -d "Converts a fish path to something bash can recognize"
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set fishy_path $argv
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set bashy_path $fishy_path[1]
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for path_part in $fishy_path[2..-1]
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set bashy_path "$bashy_path:$path_part"
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end
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echo $bashy_path
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end
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function _fishify_path -d "Converts a bash path to something fish can recognize"
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echo $argv | tr ':' '\n'
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end
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function deactivate -d 'Exit virtualenv mode and return to the normal environment.'
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# reset old environment variables
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if test -n "$_OLD_VIRTUAL_PATH"
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# https://github.com/fish-shell/fish-shell/issues/436 altered PATH handling
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if test (echo $FISH_VERSION | head -c 1) -lt 3
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set -gx PATH (_fishify_path "$_OLD_VIRTUAL_PATH")
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else
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set -gx PATH "$_OLD_VIRTUAL_PATH"
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end
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set -e _OLD_VIRTUAL_PATH
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end
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if test -n "$_OLD_VIRTUAL_PYTHONHOME"
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set -gx PYTHONHOME "$_OLD_VIRTUAL_PYTHONHOME"
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set -e _OLD_VIRTUAL_PYTHONHOME
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end
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if test -n "$_OLD_FISH_PROMPT_OVERRIDE"
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and functions -q _old_fish_prompt
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# Set an empty local `$fish_function_path` to allow the removal of `fish_prompt` using `functions -e`.
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set -l fish_function_path
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# Erase virtualenv's `fish_prompt` and restore the original.
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functions -e fish_prompt
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functions -c _old_fish_prompt fish_prompt
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functions -e _old_fish_prompt
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set -e _OLD_FISH_PROMPT_OVERRIDE
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end
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set -e VIRTUAL_ENV
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if test "$argv[1]" != 'nondestructive'
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# Self-destruct!
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functions -e pydoc
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functions -e deactivate
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functions -e _bashify_path
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functions -e _fishify_path
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end
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end
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# Unset irrelevant variables.
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deactivate nondestructive
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set -gx VIRTUAL_ENV '__VIRTUAL_ENV__'
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# https://github.com/fish-shell/fish-shell/issues/436 altered PATH handling
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if test (echo $FISH_VERSION | head -c 1) -lt 3
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set -gx _OLD_VIRTUAL_PATH (_bashify_path $PATH)
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else
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set -gx _OLD_VIRTUAL_PATH "$PATH"
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end
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set -gx PATH "$VIRTUAL_ENV"'/__BIN_NAME__' $PATH
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# Unset `$PYTHONHOME` if set.
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if set -q PYTHONHOME
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set -gx _OLD_VIRTUAL_PYTHONHOME $PYTHONHOME
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set -e PYTHONHOME
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end
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function pydoc
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python -m pydoc $argv
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end
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if test -z "$VIRTUAL_ENV_DISABLE_PROMPT"
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# Copy the current `fish_prompt` function as `_old_fish_prompt`.
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functions -c fish_prompt _old_fish_prompt
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function fish_prompt
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# Run the user's prompt first; it might depend on (pipe)status.
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set -l prompt (_old_fish_prompt)
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# Prompt override provided?
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# If not, just prepend the environment name.
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if test -n '__VIRTUAL_PROMPT__'
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printf '%s%s' '__VIRTUAL_PROMPT__' (set_color normal)
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else
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printf '%s(%s) ' (set_color normal) (basename "$VIRTUAL_ENV")
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end
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string join -- \n $prompt # handle multi-line prompts
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end
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set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV"
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end
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