| commit | 7faa0efc9a560dac748760dce72b25bc5db32714 | [log] [tgz] |
|---|---|---|
| author | djasper <djasper@google.com> | Thu Mar 28 10:00:00 2019 -0700 |
| committer | Copybara-Service <copybara-worker@google.com> | Thu Mar 28 10:03:31 2019 -0700 |
| tree | 21faf4891c5e1332d10fa5e51a2eb044226b9d0e | |
| parent | d21fa42827178c02237658a5510489b8c1ed4469 [diff] |
Introduce a FileSystemCalls.getType() function that just returns the type of a file in question. In quite a few places that is sufficient and we might be able to get the result based on a previously existing readdir() or stat() request if we have either of them cached. While at it, re-use the PerBuildSysCall cache inside of FileStateFunction in order to profit from this. This can prevent a whole bunch of unnecessary stat() calls, especially for whether or not a BUILD file is present and for creating the FileStateValue for symlinks and directories (for regular files we still need to stat() in order to get modification time information). RELNOTES: None. PiperOrigin-RevId: 240794051
{Fast, Correct} - Choose two
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