This allows to perform work only once while allowing subsequent queries to the cached information, like `is_excluded()` or `attributes()`.
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| @@ -11,6 +11,23 @@ pub enum Mode { · 10 unmodified lines | |||
| 11 | ProvideAttributesAndIgnore, | 11 | ProvideAttributesAndIgnore, |
| 12 | } | 12 | } |
| 13 | 13 | ||
| 14 | pub struct Platform<'a> { | ||
| 15 | parent: &'a Cache, | ||
| 16 | } | ||
| 17 | |||
| 18 | impl<'a> Platform<'a> { | ||
| 19 | /// The full path to `relative` will be returned for use on the file system. | ||
| 20 | pub fn leading_dir(&self) -> &'a Path { | ||
| 21 | self.parent.stack.current() | ||
| 22 | } | ||
| 23 | } | ||
| 24 | |||
| 25 | impl<'a> std::fmt::Debug for Platform<'a> { | ||
| 26 | fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { | ||
| 27 | std::fmt::Debug::fmt(&self.leading_dir(), f) | ||
| 28 | } | ||
| 29 | } | ||
| 30 | |||
| 14 | impl Cache { | 31 | impl Cache { |
| 15 | /// Create a new instance with `root` being the base for all future paths we handle, assuming it to be valid which includes | 32 | /// Create a new instance with `root` being the base for all future paths we handle, assuming it to be valid which includes |
| 16 | /// symbolic links to be included in it as well. | 33 | /// symbolic links to be included in it as well. |
| @@ -28,12 +45,12 @@ impl Cache { · 11 unmodified lines | |||
| 28 | /// Append the `relative` path to the root directory the cache contains and efficiently create leading directories | 45 | /// Append the `relative` path to the root directory the cache contains and efficiently create leading directories |
| 29 | /// unless `mode` indicates `relative` points to a directory itself in which case the entire resulting path is created as directory. | 46 | /// unless `mode` indicates `relative` points to a directory itself in which case the entire resulting path is created as directory. |
| 30 | /// | 47 | /// |
| 31 | /// The full path to `relative` will be returned for use on the file system. | 48 | /// Provide access to cached information for that `relative` entry via the platform returned. |
| 32 | pub fn append_relative_path_assure_leading_dir( | 49 | pub fn at_entry( |
| 33 | &mut self, | 50 | &mut self, |
| 34 | relative: impl AsRef<Path>, | 51 | relative: impl AsRef<Path>, |
| 35 | mode: git_index::entry::Mode, | 52 | mode: git_index::entry::Mode, |
| 36 | ) -> std::io::Result<&Path> { | 53 | ) -> std::io::Result<Platform<'_>> { |
| 37 | #[cfg(debug_assertions)] | 54 | #[cfg(debug_assertions)] |
| 38 | let mkdir_calls = &mut self.test_mkdir_calls; | 55 | let mkdir_calls = &mut self.test_mkdir_calls; |
| 39 | let unlink_on_collision = self.unlink_on_collision; | 56 | let unlink_on_collision = self.unlink_on_collision; |
| @@ -51,7 +68,7 @@ impl Cache { · 11 unmodified lines | |||
| 51 | }, | 68 | }, |
| 52 | |_| {}, | 69 | |_| {}, |
| 53 | )?; | 70 | )?; |
| 54 | Ok(self.stack.current()) | 71 | Ok(Platform { parent: self }) |
| 55 | } | 72 | } |
| 56 | } | 73 | } |
| 57 | 74 | ||
| @@ -37,7 +37,7 @@ where · 36 unmodified lines | |||
| 37 | git_features::path::from_byte_slice(entry_path).map_err(|_| index::checkout::Error::IllformedUtf8 { | 37 | git_features::path::from_byte_slice(entry_path).map_err(|_| index::checkout::Error::IllformedUtf8 { |
| 38 | path: entry_path.to_owned(), | 38 | path: entry_path.to_owned(), |
| 39 | })?; | 39 | })?; |
| 40 | let dest = path_cache.append_relative_path_assure_leading_dir(dest_relative, entry.mode)?; | 40 | let dest = path_cache.at_entry(dest_relative, entry.mode)?.leading_dir(); |
| 41 | 41 | ||
| 42 | let object_size = match entry.mode { | 42 | let object_size = match entry.mode { |
| 43 | git_index::entry::Mode::FILE | git_index::entry::Mode::FILE_EXECUTABLE => { | 43 | git_index::entry::Mode::FILE | git_index::entry::Mode::FILE_EXECUTABLE => { |