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Add another dotnet runtime detector #203

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Add another dotnet runtime detector #203

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19 changes: 19 additions & 0 deletions src/Ionide.ProjInfo/Utils.fs
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Original file line number Diff line number Diff line change
Expand Up @@ -91,13 +91,32 @@ module Paths =
else
None

let private tryFindFromSelf () =
let rec findDotnetAbove (self: DirectoryInfo) =
match self.Parent with
| null -> None
| parent ->
let candidate =
Path.Combine(parent.FullName, dotnetBinaryName)
|> FileInfo
|> checkExistence

match candidate with
| Some candidate -> Some candidate
| None -> findDotnetAbove parent

RuntimeEnvironment.GetRuntimeDirectory()
|> DirectoryInfo
|> findDotnetAbove

/// <summary>
/// provides the path to the `dotnet` binary running this library, respecting various dotnet <see href="https://docs.microsoft.com/en-us/dotnet/core/tools/dotnet-environment-variables#dotnet_root-dotnet_rootx86%5D">environment variables</see>.
/// Also probes the PATH and checks the default installation locations
/// </summary>
let dotnetRoot =
lazy
(tryFindFromEnvVar ()
|> Option.orElseWith tryFindFromSelf
|> Option.orElseWith tryFindFromPATH
|> Option.orElseWith tryFindFromDefaultDirs)

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