python/virtualenv/virtualenv_embedded/activate.fish@b8a032363ba2 (annotated)
python/virtualenv/virtualenv_embedded/activate.fish
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | # This file must be used with "source bin/activate.fish" *from fish* (http://fishshell.com) |
| michael@0 | 2 | # you cannot run it directly |
| michael@0 | 3 | |
| michael@0 | 4 | function deactivate -d "Exit virtualenv and return to normal shell environment" |
| michael@0 | 5 | # reset old environment variables |
| michael@0 | 6 | if test -n "$_OLD_VIRTUAL_PATH" |
| michael@0 | 7 | set -gx PATH $_OLD_VIRTUAL_PATH |
| michael@0 | 8 | set -e _OLD_VIRTUAL_PATH |
| michael@0 | 9 | end |
| michael@0 | 10 | if test -n "$_OLD_VIRTUAL_PYTHONHOME" |
| michael@0 | 11 | set -gx PYTHONHOME $_OLD_VIRTUAL_PYTHONHOME |
| michael@0 | 12 | set -e _OLD_VIRTUAL_PYTHONHOME |
| michael@0 | 13 | end |
| michael@0 | 14 | |
| michael@0 | 15 | if test -n "$_OLD_FISH_PROMPT_OVERRIDE" |
| michael@0 | 16 | # set an empty local fish_function_path, so fish_prompt doesn't automatically reload |
| michael@0 | 17 | set -l fish_function_path |
| michael@0 | 18 | # erase the virtualenv's fish_prompt function, and restore the original |
| michael@0 | 19 | functions -e fish_prompt |
| michael@0 | 20 | functions -c _old_fish_prompt fish_prompt |
| michael@0 | 21 | functions -e _old_fish_prompt |
| michael@0 | 22 | set -e _OLD_FISH_PROMPT_OVERRIDE |
| michael@0 | 23 | end |
| michael@0 | 24 | |
| michael@0 | 25 | set -e VIRTUAL_ENV |
| michael@0 | 26 | if test "$argv[1]" != "nondestructive" |
| michael@0 | 27 | # Self destruct! |
| michael@0 | 28 | functions -e deactivate |
| michael@0 | 29 | end |
| michael@0 | 30 | end |
| michael@0 | 31 | |
| michael@0 | 32 | # unset irrelevant variables |
| michael@0 | 33 | deactivate nondestructive |
| michael@0 | 34 | |
| michael@0 | 35 | set -gx VIRTUAL_ENV "__VIRTUAL_ENV__" |
| michael@0 | 36 | |
| michael@0 | 37 | set -gx _OLD_VIRTUAL_PATH $PATH |
| michael@0 | 38 | set -gx PATH "$VIRTUAL_ENV/__BIN_NAME__" $PATH |
| michael@0 | 39 | |
| michael@0 | 40 | # unset PYTHONHOME if set |
| michael@0 | 41 | if set -q PYTHONHOME |
| michael@0 | 42 | set -gx _OLD_VIRTUAL_PYTHONHOME $PYTHONHOME |
| michael@0 | 43 | set -e PYTHONHOME |
| michael@0 | 44 | end |
| michael@0 | 45 | |
| michael@0 | 46 | if test -z "$VIRTUAL_ENV_DISABLE_PROMPT" |
| michael@0 | 47 | # fish uses a function instead of an env var to generate the prompt. |
| michael@0 | 48 | |
| michael@0 | 49 | # copy the current fish_prompt function as the function _old_fish_prompt |
| michael@0 | 50 | functions -c fish_prompt _old_fish_prompt |
| michael@0 | 51 | |
| michael@0 | 52 | # with the original prompt function copied, we can override with our own. |
| michael@0 | 53 | function fish_prompt |
| michael@0 | 54 | # Prompt override? |
| michael@0 | 55 | if test -n "__VIRTUAL_PROMPT__" |
| michael@0 | 56 | printf "%s%s" "__VIRTUAL_PROMPT__" (set_color normal) |
| michael@0 | 57 | _old_fish_prompt |
| michael@0 | 58 | return |
| michael@0 | 59 | end |
| michael@0 | 60 | # ...Otherwise, prepend env |
| michael@0 | 61 | set -l _checkbase (basename "$VIRTUAL_ENV") |
| michael@0 | 62 | if test $_checkbase = "__" |
| michael@0 | 63 | # special case for Aspen magic directories |
| michael@0 | 64 | # see http://www.zetadev.com/software/aspen/ |
| michael@0 | 65 | printf "%s[%s]%s " (set_color -b blue white) (basename (dirname "$VIRTUAL_ENV")) (set_color normal) |
| michael@0 | 66 | _old_fish_prompt |
| michael@0 | 67 | else |
| michael@0 | 68 | printf "%s(%s)%s" (set_color -b blue white) (basename "$VIRTUAL_ENV") (set_color normal) |
| michael@0 | 69 | _old_fish_prompt |
| michael@0 | 70 | end |
| michael@0 | 71 | end |
| michael@0 | 72 | |
| michael@0 | 73 | set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV" |
| michael@0 | 74 | end |
