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annotate bin/activate.fish @ 0:9e54283cc701 draft

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"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
author guerler
date Mon, 27 Jul 2020 03:47:31 -0400
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1 # This file must be used using `source bin/activate.fish` *within a running fish ( http://fishshell.com ) session*.
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2 # Do not run it directly.
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3
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4 function _bashify_path -d "Converts a fish path to something bash can recognize"
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5 set fishy_path $argv
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6 set bashy_path $fishy_path[1]
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7 for path_part in $fishy_path[2..-1]
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8 set bashy_path "$bashy_path:$path_part"
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9 end
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10 echo $bashy_path
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11 end
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12
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13 function _fishify_path -d "Converts a bash path to something fish can recognize"
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14 echo $argv | tr ':' '\n'
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15 end
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16
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17 function deactivate -d 'Exit virtualenv mode and return to the normal environment.'
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18 # reset old environment variables
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19 if test -n "$_OLD_VIRTUAL_PATH"
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20 # https://github.com/fish-shell/fish-shell/issues/436 altered PATH handling
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21 if test (echo $FISH_VERSION | head -c 1) -lt 3
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22 set -gx PATH (_fishify_path "$_OLD_VIRTUAL_PATH")
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23 else
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24 set -gx PATH "$_OLD_VIRTUAL_PATH"
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25 end
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26 set -e _OLD_VIRTUAL_PATH
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27 end
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28
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29 if test -n "$_OLD_VIRTUAL_PYTHONHOME"
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30 set -gx PYTHONHOME "$_OLD_VIRTUAL_PYTHONHOME"
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31 set -e _OLD_VIRTUAL_PYTHONHOME
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32 end
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33
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34 if test -n "$_OLD_FISH_PROMPT_OVERRIDE"
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35 and functions -q _old_fish_prompt
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36 # Set an empty local `$fish_function_path` to allow the removal of `fish_prompt` using `functions -e`.
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37 set -l fish_function_path
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38
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39 # Erase virtualenv's `fish_prompt` and restore the original.
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40 functions -e fish_prompt
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41 functions -c _old_fish_prompt fish_prompt
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42 functions -e _old_fish_prompt
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43 set -e _OLD_FISH_PROMPT_OVERRIDE
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44 end
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45
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46 set -e VIRTUAL_ENV
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47
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48 if test "$argv[1]" != 'nondestructive'
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49 # Self-destruct!
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50 functions -e pydoc
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51 functions -e deactivate
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52 functions -e _bashify_path
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53 functions -e _fishify_path
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54 end
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55 end
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56
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57 # Unset irrelevant variables.
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58 deactivate nondestructive
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59
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60 set -gx VIRTUAL_ENV '/Users/guerler/hh-suite'
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61
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62 # https://github.com/fish-shell/fish-shell/issues/436 altered PATH handling
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63 if test (echo $FISH_VERSION | head -c 1) -lt 3
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64 set -gx _OLD_VIRTUAL_PATH (_bashify_path $PATH)
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65 else
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66 set -gx _OLD_VIRTUAL_PATH "$PATH"
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67 end
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68 set -gx PATH "$VIRTUAL_ENV"'/bin' $PATH
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69
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70 # Unset `$PYTHONHOME` if set.
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71 if set -q PYTHONHOME
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72 set -gx _OLD_VIRTUAL_PYTHONHOME $PYTHONHOME
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73 set -e PYTHONHOME
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74 end
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75
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76 function pydoc
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77 python -m pydoc $argv
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78 end
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79
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80 if test -z "$VIRTUAL_ENV_DISABLE_PROMPT"
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81 # Copy the current `fish_prompt` function as `_old_fish_prompt`.
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82 functions -c fish_prompt _old_fish_prompt
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83
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84 function fish_prompt
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85 # Run the user's prompt first; it might depend on (pipe)status.
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86 set -l prompt (_old_fish_prompt)
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87
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88 # Prompt override provided?
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89 # If not, just prepend the environment name.
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90 if test -n ''
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91 printf '%s%s' '' (set_color normal)
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92 else
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93 printf '%s(%s) ' (set_color normal) (basename "$VIRTUAL_ENV")
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94 end
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95
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96 string join -- \n $prompt # handle multi-line prompts
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97 end
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98
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99 set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV"
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100 end