Alphare updated this revision to Diff 20239. REPOSITORY rHG Mercurial
CHANGES SINCE LAST UPDATE https://phab.mercurial-scm.org/D8098?vs=20220&id=20239 BRANCH default CHANGES SINCE LAST ACTION https://phab.mercurial-scm.org/D8098/new/ REVISION DETAIL https://phab.mercurial-scm.org/D8098 AFFECTED FILES rust/hg-core/src/revlog/nodemap.rs CHANGE DETAILS diff --git a/rust/hg-core/src/revlog/nodemap.rs b/rust/hg-core/src/revlog/nodemap.rs --- a/rust/hg-core/src/revlog/nodemap.rs +++ b/rust/hg-core/src/revlog/nodemap.rs @@ -572,11 +572,25 @@ Ok(()) } + /// Make the whole `NodeTree` logically empty, without touching the + /// immutable part. + pub fn invalidate_all(&mut self) -> () { + self.root = Block::new(); + self.growable = Vec::new(); + self.masked_inner_blocks = self.readonly.len() + } + /// Return the number of blocks in the readonly part that are currently /// masked in the mutable part. /// /// The `NodeTree` structure has no efficient way to know how many blocks /// are already unreachable in the readonly part. + /// + /// After a call to `invalidate_all()`, the returned number can be actually + /// bigger than the whole readonly part, a conventional way to mean that + /// all the readonly blocks have been masked. This is what is really + /// useful to the caller and does not require to know how many were + /// actually unreachable to begin with. pub fn masked_readonly_blocks(&self) -> usize { if let Some(readonly_root) = self.readonly.last() { if readonly_root == &self.root { @@ -1057,6 +1071,27 @@ } #[test] + fn test_invalidate_all() -> Result<(), NodeMapError> { + let mut idx = TestNtIndex::new(); + idx.insert(0, "1234")?; + idx.insert(1, "1235")?; + idx.insert(2, "131")?; + idx.insert(3, "cafe")?; + let mut idx = idx.commit(); + + idx.nt.invalidate_all(); + + assert_eq!(idx.find_hex("1234")?, None); + assert_eq!(idx.find_hex("1235")?, None); + assert_eq!(idx.find_hex("131")?, None); + assert_eq!(idx.find_hex("cafe")?, None); + // all the readonly blocks have been masked, this is the + // conventional expected response + assert_eq!(idx.nt.masked_readonly_blocks(), idx.nt.readonly.len() + 1); + Ok(()) + } + + #[test] fn test_into_added_empty() { assert!(sample_nodetree().into_readonly_and_added().1.is_empty()); assert!(sample_nodetree() To: marmoute, #hg-reviewers Cc: kevincox, mercurial-devel _______________________________________________ Mercurial-devel mailing list Mercurial-devel@mercurial-scm.org https://www.mercurial-scm.org/mailman/listinfo/mercurial-devel
