From 485638376d20426a382705b9c546b47bea0da206 Mon Sep 17 00:00:00 2001
From: jbeisner <jbeisner@microsoft.com>
Date: Tue, 27 Mar 2018 20:02:41 +0000
Subject: [PATCH] Fix an 'unbound variable' warning.

---
 scripts/obtain/dotnet-install.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/scripts/obtain/dotnet-install.sh b/scripts/obtain/dotnet-install.sh
index c3eaa295c..55de51b91 100755
--- a/scripts/obtain/dotnet-install.sh
+++ b/scripts/obtain/dotnet-install.sh
@@ -157,13 +157,13 @@ get_linux_platform_name() {
 
 get_current_os_name() {
     eval $invocation
-    linux_platform_name="unknown"
 
     local uname=$(uname)
     if [ "$uname" = "Darwin" ]; then
         echo "osx"
         return 0
     elif [ "$uname" = "Linux" ]; then
+        local linux_platform_name
         linux_platform_name="$(get_linux_platform_name)" || { echo "linux" && return 0 ; }
 
         if [[ $linux_platform_name == "rhel.6" || $linux_platform_name == "alpine.3.6" ]]; then
@@ -582,9 +582,10 @@ copy_files_or_dirs_from_list() {
     local root_path="$(remove_trailing_slash "$1")"
     local out_path="$(remove_trailing_slash "$2")"
     local override="$3"
+    local osname="$(get_current_os_name)"
     local override_switch=$(
         if [ "$override" = false ]; then
-            if [[ $linux_platform_name == 'alpine'* ]]; then 
+            if [[ "$osname" == 'alpine'* ]]; then 
                 printf -- "-u";
             else
                 printf -- "-n";