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authorJohn Ericson <John.Ericson@Obsidian.Systems>2019-11-05 19:50:42 -0500
committerJohn Ericson <John.Ericson@Obsidian.Systems>2019-11-08 13:24:20 -0500
commitaaf0fd2c445d9d3bd686702d4b644d24ed3b10f3 (patch)
treec41c2651a0f1ca97571ebf4d76f29849e6f1005d /pkgs/development/interpreters/lua-5
parent0b90a7f67f4df722a5c29773fcf8376d631f1fc8 (diff)
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lua-5 setup hook: LUA_PATH and LUA_CPATH can be undefined
Diffstat (limited to 'pkgs/development/interpreters/lua-5')
-rw-r--r--pkgs/development/interpreters/lua-5/setup-hook.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/interpreters/lua-5/setup-hook.sh b/pkgs/development/interpreters/lua-5/setup-hook.sh
index f7e56b62ac9..1c445b82afd 100644
--- a/pkgs/development/interpreters/lua-5/setup-hook.sh
+++ b/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}"
 }