multiple srcs for original STREAM download

src/original.jl

+const ORIGINAL_SOURCES = ["https://www.cs.virginia.edu/stream/FTP/Code/", "https://raw.githubusercontent.com/jeffhammond/STREAM/master/"]
+
 """
 Download the C STREAM benchmark source code from https://www.cs.virginia.edu/stream into a new folder "stream".
 """
-function download_original_STREAM()
+function download_original_STREAM(; debug=false)
     println("- Creating folder \"stream\"")
-    mkdir("stream")
+    !isdir("stream") && mkdir("stream")
     println("- Downloading C STREAM benchmark")
-    Downloads.download(
-        "https://www.cs.virginia.edu/stream/FTP/Code/stream.c", "stream/stream.c"
-    )
-    Downloads.download(
-        "https://www.cs.virginia.edu/stream/FTP/Code/mysecond.c", "stream/mysecond.c"
-    )
-    println("- Done.")
+    done = false
+    for src in ORIGINAL_SOURCES
+        if !done
+            try
+                Downloads.download(
+                    joinpath(src, "stream.c"), "stream/stream.c"
+                )
+                Downloads.download(
+                    joinpath(src, "mysecond.c"), "stream/mysecond.c"
+                )
+                done = true
+            catch err
+                if debug
+                    @warn err
+                end
+            end
+        else
+            break
+        end
+    end
+    if done
+        println("- Done.")
+    else
+        println("- Couldn't download original STREAM :(")
+    end
     return nothing
 end
 

test/runtests.jl

@@ -116,7 +116,7 @@ end
     @testset "Original C STREAM Benchmark" begin
         mktempdir() do tmpdir
             cd(tmpdir) do
-                STREAMBenchmark.download_original_STREAM()
+                STREAMBenchmark.download_original_STREAM(; debug=true)
                 @test isdir("stream")
                 isdir("stream") && cd("stream") do
                     @test isfile("stream.c")
@@ -141,4 +141,4 @@ end
             end
         end
     end
-end
+end
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