diff rust/hg-core/src/dirstate/entry.rs @ 48026:1b2ee68e85f9

rust: Remove EntryState::Unknown

This enum variant represented the `state == '?'` case, which was used
to represent the absence of a dirstate entry/item (and therefore of that
entry’s state).

Now that previous refactors have removed this use in the Python/Rust
FFI APIs, the remaining uses can be removed by replacing `EntryState`
by `Option<EntryState>` where appropriate, using `None` to represent
the absence of an entry.

Differential Revision: https://phab.mercurial-scm.org/D11465

--- a/rust/hg-core/src/dirstate/entry.rs	Mon Sep 20 20:21:35 2021 +0200
+++ b/rust/hg-core/src/dirstate/entry.rs	Mon Sep 20 20:55:38 2021 +0200
@@ -7,7 +7,6 @@
     Added,
     Removed,
     Merged,
-    Unknown,
 }
 
 /// The C implementation uses all signed types. This will be an issue
@@ -157,7 +156,7 @@
         use EntryState::*;
         match self {
             Normal | Added | Merged => true,
-            Removed | Unknown => false,
+            Removed => false,
         }
     }
 }
@@ -171,7 +170,6 @@
             b'a' => Ok(EntryState::Added),
             b'r' => Ok(EntryState::Removed),
             b'm' => Ok(EntryState::Merged),
-            b'?' => Ok(EntryState::Unknown),
             _ => Err(HgError::CorruptedRepository(format!(
                 "Incorrect dirstate entry state {}",
                 value
@@ -187,7 +185,6 @@
             EntryState::Added => b'a',
             EntryState::Removed => b'r',
             EntryState::Merged => b'm',
-            EntryState::Unknown => b'?',
         }
     }
 }