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lua-5 setup hook: LUA_PATH and LUA_CPATH can be undefined

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This commit is contained in:
John Ericson 2019-11-05 19:50:42 -05:00
parent 0b90a7f67f
commit aaf0fd2c44
1 changed files with 1 additions and 1 deletions
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2
pkgs/development/interpreters/lua-5/setup-hook.sh
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@ -20,7 +20,7 @@ addToLuaSearchPathWithCustomDelimiter() {
if [[ ! -d "$topDir" ]]; then return; fi
# export only if we haven't already got this dir in the search path
if [[ ${!varName} == *"$absPattern"* ]]; then return; fi
if [[ ${!varName-} == *"$absPattern"* ]]; then return; fi
export "${varName}=${!varName:+${!varName};}${absPattern}"
}