Make the diffPath optional

dmtrKovalenko · Oct 12, 2024 · 543844b · 543844b
1 parent c58c505
commit 543844b
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/bin/Main.ml b/bin/Main.ml
@@ -60,7 +60,7 @@ let main img1Path img2Path diffPath threshold outputDiffMask failOnLayoutChange
       ->
         { exitCode = 0; diff = Some diffOutput }
     | Pixel (diffOutput, diffCount, diffPercentage, _) ->
-        IO1.saveImage diffOutput diffPath;
+        diffPath |> Option.iter (IO1.saveImage diffOutput);
         { exitCode = 22; diff = Some diffOutput }
   in
   IO1.freeImage img1;

diff --git a/bin/ODiffBin.ml b/bin/ODiffBin.ml
@@ -3,8 +3,8 @@ open Term
 open Arg
 
 let diffPath =
-  value & pos 2 string ""
-  & info [] ~docv:"DIFF" ~doc:"Diff output path (.png only)"
+  value & pos 2 (some string) None
+  & info [] ~docv:"DIFF" ~doc:"Optional Diff output path (.png only)"
 
 let base =
   value & pos 0 file "" & info [] ~docv:"BASE" ~doc:"Path to base image"