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fix shellcheck warnings
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neilpang committed
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@@ -18,6 +18,8 @@ dns_lua_add() {
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txtvalue=$2
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if [ -z "$LUA_Key" ] || [ -z "$LUA_Email" ]; then
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LUA_Key=""
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LUA_Email=""
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_err "You don't specify luadns api key and email yet."
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_err "Please create you key and try again."
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return 1
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