upstream/mercurial-mirror Files · rust/hg-core/src/dirstate.rs

rust-discovery: core implementation for take_quick_sample()...

rust-discovery: core implementation for take_quick_sample() This makes in particular `rand` no longer a testing dependency. We keep a seedable random generator on the `PartialDiscovery` object itself, to avoid lengthy initialization. In take_quick_sample() itself, we had to avoid keeping the reference to `self.undecided` to cope with the mutable reference introduced by the the call to `limit_sample`, but it's still manageable without resorting to inner mutability. Sampling being prone to be improved in the mid-term future, testing is minimal, amounting to checking which code path got executed. Differential Revision: https://phab.mercurial-scm.org/D6423

Raphaël Gomès - - Load All Authors

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             dirstate.rs
        
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                | application/rls-services+xml
            
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             / rust / hg-core / src / dirstate.rs
          
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      pub mod dirs_multiset;

      pub mod parsers;

      #[derive(Debug, PartialEq, Copy, Clone)]

      pub struct DirstateParents<'a> {

          pub p1: &'a [u8],

          pub p2: &'a [u8],

      }

      /// The C implementation uses all signed types. This will be an issue

      /// either when 4GB+ source files are commonplace or in 2038, whichever

      /// comes first.

      #[derive(Debug, PartialEq)]

      pub struct DirstateEntry {

          pub state: i8,

          pub mode: i32,

          pub mtime: i32,

          pub size: i32,

      }

      pub type DirstateVec = Vec<(Vec<u8>, DirstateEntry)>;

      #[derive(Debug, PartialEq)]

      pub struct CopyVecEntry<'a> {

          pub path: &'a [u8],

          pub copy_path: &'a [u8],

      }

      pub type CopyVec<'a> = Vec<CopyVecEntry<'a>>;

      /// The Python implementation passes either a mapping (dirstate) or a flat

      /// iterable (manifest)

      pub enum DirsIterable {

          Dirstate(DirstateVec),

          Manifest(Vec<Vec<u8>>),

      }

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				pub mod dirs_multiset;
				pub mod parsers;

				#[derive(Debug, PartialEq, Copy, Clone)]
				pub struct DirstateParents<'a> {
				pub p1: &'a [u8],
				pub p2: &'a [u8],
				}

				/// The C implementation uses all signed types. This will be an issue
				/// either when 4GB+ source files are commonplace or in 2038, whichever
				/// comes first.
				#[derive(Debug, PartialEq)]
				pub struct DirstateEntry {
				pub state: i8,
				pub mode: i32,
				pub mtime: i32,
				pub size: i32,
				}

				pub type DirstateVec = Vec<(Vec<u8>, DirstateEntry)>;

				#[derive(Debug, PartialEq)]
				pub struct CopyVecEntry<'a> {
				pub path: &'a [u8],
				pub copy_path: &'a [u8],
				}

				pub type CopyVec<'a> = Vec<CopyVecEntry<'a>>;

				/// The Python implementation passes either a mapping (dirstate) or a flat
				/// iterable (manifest)
				pub enum DirsIterable {
				Dirstate(DirstateVec),
				Manifest(Vec<Vec<u8>>),
				}