René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"New-PSDrive -Persist should report a platform-not-supported error (System.PlatformNotSupportedException) on Unix-like platforms","articleBody":"Using `New-PSDrive -Persist`, i.e. creating a persistent drive mapping at the OS level, is only supported on Windows.\r\n\r\nWhile trying to use it on Unix-like platforms does report an error, the error message is confusing (see below).\r\n\r\n\r\nSteps to reproduce\r\n------------------\r\n\r\n```powershell\r\nNew-PSDrive -root '\\\\foo\\bar\\' -name N  -PSProvider filesystem  -Persist\r\n```\r\n\r\nExpected behavior\r\n-----------------\r\n\r\nThe error message should indicate that the host platform is not supported, along the lines of `System.PlatformNotSupportedException`\r\n\r\nActual behavior\r\n---------------\r\n\r\nThe following error is reported:\r\n\r\n```none\r\nNew-PSDrive : When you use the Persist parameter,\r\n              the root must be a file system location on a remote computer.\r\n```\r\n\r\nThe reason is that the code currently blindly follows a Windows code path until it eventually hits the `PathIsNetworkPath()` method in `FileSystemProvider.cs`, which categorically returns `false` on Unix.\r\n\r\nEnvironment data\r\n----------------\r\n\r\n\u003c!-- provide the output of $PSVersionTable --\u003e\r\n\r\n```powershell\r\nPowerShell Core 6.2.0-preview.1 on macOS 10.14\r\nPowerShell Core 6.2.0-preview.1 on Ubuntu 16.04.5 LTS\r\n```\r\n","author":{"url":"https://github.com/mklement0","@type":"Person","name":"mklement0"},"datePublished":"2018-11-13T16:24:10.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/8250/PowerShell/issues/8250"}