Mercurial > hg
comparison rust/hg-core/src/vfs.rs @ 49485:ffd4b1f1c9cb
rhg: add sparse support
| author | Raphaël Gomès <rgomes@octobus.net> |
|---|---|
| date | Tue, 19 Jul 2022 15:37:45 +0200 |
| parents | abeae090ce67 |
| children | be019ac8c1e4 58074252db3c |
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| 49484:85f5d11c77dd | 49485:ffd4b1f1c9cb |
|---|---|
| 36 &self, | 36 &self, |
| 37 relative_path: impl AsRef<Path>, | 37 relative_path: impl AsRef<Path>, |
| 38 ) -> Result<Vec<u8>, HgError> { | 38 ) -> Result<Vec<u8>, HgError> { |
| 39 let path = self.join(relative_path); | 39 let path = self.join(relative_path); |
| 40 std::fs::read(&path).when_reading_file(&path) | 40 std::fs::read(&path).when_reading_file(&path) |
| 41 } | |
| 42 | |
| 43 /// Returns `Ok(None)` if the file does not exist. | |
| 44 pub fn try_read( | |
| 45 &self, | |
| 46 relative_path: impl AsRef<Path>, | |
| 47 ) -> Result<Option<Vec<u8>>, HgError> { | |
| 48 match self.read(relative_path) { | |
| 49 Err(e) => match &e { | |
| 50 HgError::IoError { error, .. } => match error.kind() { | |
| 51 ErrorKind::NotFound => return Ok(None), | |
| 52 _ => Err(e), | |
| 53 }, | |
| 54 _ => Err(e), | |
| 55 }, | |
| 56 Ok(v) => Ok(Some(v)), | |
| 57 } | |
| 41 } | 58 } |
| 42 | 59 |
| 43 fn mmap_open_gen( | 60 fn mmap_open_gen( |
| 44 &self, | 61 &self, |
| 45 relative_path: impl AsRef<Path>, | 62 relative_path: impl AsRef<Path>, |