home-config/fish/functions/fenv.main.fish

ff9e209f8597900a334118c1771f8f9c5568a39b · 1.6 KB · 39 lines raw

1 # The MIT License (MIT)
2
3 # Copyright (c) 2015 Derek Willian Stavis
4
5 # Permission is hereby granted, free of charge, to any person obtaining a copy
6 # of this software and associated documentation files (the "Software"), to deal
7 # in the Software without restriction, including without limitation the rights
8 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 # copies of the Software, and to permit persons to whom the Software is
10 # furnished to do so, subject to the following conditions:
11
12 # The above copyright notice and this permission notice shall be included in all
13 # copies or substantial portions of the Software.
14
15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 # SOFTWARE.
22
23
24 function fenv.main
25 bash -c "$argv && env -0 >&31" 31>| while read -l -z env_var
26 set -l kv (string split -m 1 = $env_var); or continue
27 # Skip read-only variables
28 contains $kv[1] _ SHLVL PWD; and continue
29 string match -rq '^BASH_.*%%$' $kv[1]; and continue
30 # Variable
31 # - is not defined
32 # - OR variable differs
33 # - OR variable is not exported
34 if not set -q $kv[1]; or test "$$kv[1]" != $kv[2]; or not set -qx $kv[1]
35 set -gx $kv
36 end
37 end
38 return $pipestatus[1]
39 end