kevin/neovim
1
Fork 0
mirror of https://github.com/neovim/neovim.git synced 2024-12-23 20:55:18 -07:00
Code Issues Packages Projects Releases Wiki Activity

exists(): return false for empty env var #10657

Browse Source 
Fixes https://github.com/neovim/neovim/issues/3266
close #10657
This commit is contained in:
Daniel Hahler 2019-07-30 11:37:39 +02:00 committed by Justin M. Keyes
parent 5aa97937e7
commit 06d9cc734b
2 changed files with 9 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/nvim/eval.c
View File

@ -8718,7 +8718,7 @@ static void f_exists(typval_T *argvars, typval_T *rettv, FunPtr fptr)
const char *p = tv_get_string(&argvars[0]);
if (*p == '$') { // Environment variable.
// First try "normal" environment variables (fast).
if (os_getenv(p + 1) != NULL) {
if (os_env_exists(p + 1)) {
n = true;
} else {
// Try expanding things like $VIM and ${HOME}.

10
test/functional/eval/environ_spec.lua
View File

@ -2,11 +2,17 @@ local helpers = require('test.functional.helpers')(after_each)
local clear = helpers.clear
local eq = helpers.eq
local environ = helpers.funcs.environ
local exists = helpers.funcs.exists
describe('environ()', function()
it('handles empty env variable', function()
describe('environment variables', function()
it('environ() handles empty env variable', function()
clear({env={EMPTY_VAR=""}})
eq("", environ()['EMPTY_VAR'])
eq(nil, environ()['DOES_NOT_EXIST'])
end)
it('exists() handles empty env variable', function()
clear({env={EMPTY_VAR=""}})
eq(1, exists('$EMPTY_VAR'))
eq(0, exists('$DOES_NOT_EXIST'))
end)
end)