Check if "ClimaCore version" is already attribute

HDF5.jl complains if you try writing an attribute that already exists
CliMA · Sep 18, 2023 · 1be36f6 · 1be36f6
1 parent 72c1063
commit 1be36f6
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/InputOutput/writers.jl b/src/InputOutput/writers.jl
@@ -59,7 +59,9 @@ function HDF5Writer(
     else
         file = h5open(filename, mode, context.mpicomm)
     end
-    write_attribute(file, "ClimaCore version", string(VERSION))
+    # Add an attribute to the file if it doesn't already exist
+    haskey(attributes(file), "ClimaCore version") &&
+        write_attribute(file, "ClimaCore version", string(VERSION))
     cache = Dict{String, String}()
     return HDF5Writer(file, context, cache)
 end