Handle missing VERSION_ID gracefully

dotnet · Jun 7, 2017 · 8be34a6 · 8be34a6
1 parent defa3c3
commit 8be34a6
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/scripts/obtain/dotnet-install.sh b/scripts/obtain/dotnet-install.sh
@@ -139,15 +139,15 @@ get_distro_specific_os_name() {
     else
         if [ -e /etc/os-release ]; then
             . /etc/os-release
-            os=$(get_os_download_name_from_platform "$ID.$VERSION_ID" || echo "")
+            os=$(get_os_download_name_from_platform "$ID.${VERSION_ID:-}" || echo "")
             if [ -n "$os" ]; then
                 echo "$os"
                 return 0
             fi
         fi
     fi
 
-    say_err "OS name could not be detected: $ID.$VERSION_ID"
+    say_err "OS name could not be detected: $ID.${VERSION_ID:-UNDEFINED}"
     return 1
 }