Show errors when curl fails

build/dotnet/dotnet-install.sh

@@ -513,9 +513,9 @@ download() {
 
     local failed=false
     if [ -z "$out_path" ]; then
-        curl --fail -s $remote_path || failed=true
+        curl --fail -sSL $remote_path || failed=true
     else
-        curl --fail -s -o $out_path $remote_path || failed=true
+        curl --fail -sSL -o $out_path $remote_path || failed=true
     fi
 
     if [ "$failed" = true ]; then
@@ -685,4 +685,4 @@ else
     say "Binaries of dotnet can be found in $bin_path"
 fi
 
-say "Installation finished successfully."
+say "Installation finished successfully."