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lua: actually fix longstanding bug in lua envHook causing relative module imports to stop working #295012

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Merged
vcunat merged 1 commit into from
Mar 12, 2024
Merged

lua: actually fix longstanding bug in lua envHook causing relative module imports to stop working #295012

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5 changes: 5 additions & 0 deletions pkgs/development/interpreters/lua-5/hooks/setup-hook.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,11 @@ addToLuaSearchPathWithCustomDelimiter() {
# export only if we haven't already got this dir in the search path
if [[ ${!varName-} == *"$absPattern"* ]]; then return; fi

# if the path variable has not yet been set, initialize it to ";;"
# this is a magic value that will be replaced by the default,
# allowing relative modules to be used even when there are system modules.
if [[ ! -v "${varName}" ]]; then export "${varName}=;;"; fi

export "${varName}=${!varName:+${!varName};}${absPattern}"
}

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