rust-dirstatemap: remove `removefile` API

rust-dirstatemap: remove `removefile` API

Its callers have been migrated to the newer dirstate API.

Differential Revision: https://phab.mercurial-scm.org/D12509

--- a/rust/hg-core/src/dirstate_tree/dirstate_map.rs	Mon Mar 28 18:26:24 2022 +0200
+++ b/rust/hg-core/src/dirstate_tree/dirstate_map.rs	Wed Mar 23 17:16:10 2022 +0100
@@ -15,8 +15,6 @@
 use crate::dirstate::ParentFileData;
 use crate::dirstate::StateMapIter;
 use crate::dirstate::TruncatedTimestamp;
-use crate::dirstate::SIZE_FROM_OTHER_PARENT;
-use crate::dirstate::SIZE_NON_NORMAL;
 use crate::matchers::Matcher;
 use crate::utils::hg_path::{HgPath, HgPathBuf};
 use crate::DirstateEntry;
@@ -1051,40 +1049,6 @@
         })
     }
 
-    pub fn remove_file(
-        &mut self,
-        filename: &HgPath,
-        in_merge: bool,
-    ) -> Result<(), DirstateError> {
-        let old_entry_opt = self.get(filename)?;
-        let old_state = old_entry_opt.map(|e| e.state());
-        let mut size = 0;
-        if in_merge {
-            // XXX we should not be able to have 'm' state and 'FROM_P2' if not
-            // during a merge. So I (marmoute) am not sure we need the
-            // conditionnal at all. Adding double checking this with assert
-            // would be nice.
-            if let Some(old_entry) = old_entry_opt {
-                // backup the previous state
-                if old_entry.state() == EntryState::Merged {
-                    size = SIZE_NON_NORMAL;
-                } else if old_entry.state() == EntryState::Normal
-                    && old_entry.size() == SIZE_FROM_OTHER_PARENT
-                {
-                    // other parent
-                    size = SIZE_FROM_OTHER_PARENT;
-                }
-            }
-        }
-        if size == 0 {
-            self.copy_map_remove(filename)?;
-        }
-        self.with_dmap_mut(|map| {
-            let entry = DirstateEntry::new_removed(size);
-            Ok(map.add_or_remove_file(filename, old_state, entry)?)
-        })
-    }
-
     pub fn drop_entry_and_copy_source(
         &mut self,
         filename: &HgPath,

--- a/rust/hg-cpython/src/dirstate/dirstate_map.rs	Mon Mar 28 18:26:24 2022 +0200
+++ b/rust/hg-cpython/src/dirstate/dirstate_map.rs	Wed Mar 23 17:16:10 2022 +0100
@@ -233,25 +233,6 @@
         Ok(PyNone)
     }
 
-    def removefile(
-        &self,
-        f: PyObject,
-        in_merge: PyObject
-    ) -> PyResult<PyObject> {
-        self.inner(py).borrow_mut()
-            .remove_file(
-                HgPath::new(f.extract::<PyBytes>(py)?.data(py)),
-                in_merge.extract::<PyBool>(py)?.is_true(),
-            )
-            .or_else(|_| {
-                Err(PyErr::new::<exc::OSError, _>(
-                    py,
-                    "Dirstate error".to_string(),
-                ))
-            })?;
-        Ok(py.None())
-    }
-
     def drop_item_and_copy_source(
         &self,
         f: PyBytes,