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rust: Align DirstateEntry internals with Python/C DirstateItem...

rust: Align DirstateEntry internals with Python/C DirstateItem This propagate to this Rust struct the similar change that was made recently to the Python classe and C struct. Namely, instead of storing a four-valued `state` field we now store seven (bit-packed) booleans that give lower-level information. Additionally, the marker values -1 and -2 for mtime and size should not be used internally anymore. They are replaced by some combinations of booleans For now, all uses of of `DirstateEntry` still use the compatibility APIs with `state` and marker values. Later the Rust API for DirstateMap will be increasingly updated to the new style. Also change the expected result of the test_non_normal_other_parent_entries unit test. Only a `DirstateEntry` with `size == -2 && mtime != -1` is affected, but this case never occurs outside of unit tests. `size == -2` was the marker value for "from other parent" entries, where no meaningful mtime is stored. Differential Revision: https://phab.mercurial-scm.org/D11484

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             mod.rs
        
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                | application/rls-services+xml
            
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      //! A distinction is made between operations and commands.

      //! An operation is what can be done whereas a command is what is exposed by

      //! the cli. A single command can use several operations to achieve its goal.

      mod cat;

      mod debugdata;

      mod dirstate_status;

      mod list_tracked_files;

      pub use cat::{cat, CatOutput};

      pub use debugdata::{debug_data, DebugDataKind};

      pub use list_tracked_files::Dirstate;

      pub use list_tracked_files::{list_rev_tracked_files, FilesForRev};

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				//! A distinction is made between operations and commands.
				//! An operation is what can be done whereas a command is what is exposed by
				//! the cli. A single command can use several operations to achieve its goal.

				mod cat;
				mod debugdata;
				mod dirstate_status;
				mod list_tracked_files;
				pub use cat::{cat, CatOutput};
				pub use debugdata::{debug_data, DebugDataKind};
				pub use list_tracked_files::Dirstate;
				pub use list_tracked_files::{list_rev_tracked_files, FilesForRev};