e713232623
This PR fixes `IO.FS.realPath` on windows to take symbolic links into account. Closes #810
27 lines
934 B
Text
27 lines
934 B
Text
/-!
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Tests that the `IO.FS.realPath` function on windows resolves links.
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-/
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/-
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Note: The test below circumvents #8547 by misusing quotation marks in order to run `mklink`.
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This test will need to be updated once that issue is fixed.
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-/
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def realPathTest : IO Unit := do
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unless System.Platform.isWindows do
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return
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let dir ← IO.currentDir
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let tmpDir := dir / "tmp_realpath_test_dir"
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let tmpJunct := dir / "tmp_realpath_test_junction"
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IO.FS.createDir (dir / tmpDir)
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let cmd := "cmd.exe\" /c mklink /j \"" ++ tmpJunct.toString ++ "\" \"" ++ tmpDir.toString
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discard <| IO.Process.run { cmd }
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let realPath1 ← IO.FS.realPath tmpDir
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let realPath2 ← IO.FS.realPath tmpJunct
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IO.FS.removeDir tmpJunct
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IO.FS.removeDir tmpDir
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IO.println s!"{realPath1} vs {realPath2}"
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if realPath1 != realPath2 then
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throw (.userError ("mismatch " ++ realPath1.toString ++ " with " ++ realPath2.toString))
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#eval realPathTest
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