Script to detect why something is rebuilding

dotnet-why.fsx

#r "nuget: MSBuild.StructuredLogger"


open Microsoft.Build.Logging.StructuredLogger

let build = Serialization.Read @"C:\Users\path-here\msbuild-editorconfig.binlog"


let (|Message|_|) (b : BaseNode) =
    match b with
    | :? Message as m -> Some m
    | _ -> None


let causations = build.FindChildrenRecursive<Target>(fun t -> t.Name = "CoreCompile" && t.Children |> Seq.exists(function Message m ->  m.ToString().Contains "is newer than" | _ -> false)  )

causations
|> Seq.sortBy(fun t -> t.StartTime)
|> Seq.iter (fun t ->
    printfn $"{t.Project} {t.Name}"
    t.Children
    |> Seq.iter(fun x -> printfn "  %A" <| x)
)