diff options
Diffstat (limited to 'nixpkgs/pkgs/development/interpreters/lua-5/setup-hook.sh')
| -rw-r--r-- | nixpkgs/pkgs/development/interpreters/lua-5/setup-hook.sh | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/development/interpreters/lua-5/setup-hook.sh b/nixpkgs/pkgs/development/interpreters/lua-5/setup-hook.sh index f7e56b62ac90..1c445b82afde 100644 --- a/nixpkgs/pkgs/development/interpreters/lua-5/setup-hook.sh +++ b/nixpkgs/pkgs/development/interpreters/lua-5/setup-hook.sh @@ -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}" } |