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

tests: demonstrate a case where a corrupt tag cache causes an abort...

tests: demonstrate a case where a corrupt tag cache causes an abort I happened to hit this trying to cover other cases around valid vs missing entries. I have no idea if this is something that could occur more naturally (similar to how a missing file node in `hgtagsfnodes1` can occur after a strip). There is a test just above this added in mentioning it "overwrites the junk", though that tests truncation instead of actual garbage. But since this is just a cache, it probably shouldn't abort with a cryptic message like this. The two options I see both have downsides- either rebuild the cache (and potentially take a long time), or hint to the user to run a debug command. Differential Revision: https://phab.mercurial-scm.org/D9812

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             dirstate_tree.rs
        
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             / rust / hg-core / src / dirstate / dirstate_tree.rs
          
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      // dirstate_tree.rs

      //

      // Copyright 2020, Raphaël Gomès <rgomes@octobus.net>

      //

      // This software may be used and distributed according to the terms of the

      // GNU General Public License version 2 or any later version.

      //! Special-case radix tree that matches a filesystem hierarchy for use in the

      //! dirstate.

      //! It has not been optimized at all yet.

      pub mod iter;

      pub mod node;

      pub mod tree;

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				// dirstate_tree.rs
				//
				// Copyright 2020, Raphaël Gomès <rgomes@octobus.net>
				//
				// This software may be used and distributed according to the terms of the
				// GNU General Public License version 2 or any later version.

				//! Special-case radix tree that matches a filesystem hierarchy for use in the
				//! dirstate.
				//! It has not been optimized at all yet.

				pub mod iter;
				pub mod node;
				pub mod tree;