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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,197 @@ | ||
| use crate::index::{Change, ChangeRef}; | ||
| use crate::rewrites; | ||
| use crate::rewrites::tracker::ChangeKind; | ||
| use crate::tree::visit::Relation; | ||
| use bstr::BStr; | ||
| use gix_object::tree; | ||
| use std::borrow::Cow; | ||
|
|
||
| impl ChangeRef<'_, '_> { | ||
| /// Copy everything into an owned version of this instance. | ||
| pub fn into_owned(self) -> Change { | ||
| match self { | ||
| ChangeRef::Addition { | ||
| location, | ||
| index, | ||
| entry_mode, | ||
| id, | ||
| } => ChangeRef::Addition { | ||
| location: Cow::Owned(location.into_owned()), | ||
| index, | ||
| entry_mode, | ||
| id: Cow::Owned(id.into_owned()), | ||
| }, | ||
| ChangeRef::Deletion { | ||
| location, | ||
| index, | ||
| entry_mode, | ||
| id, | ||
| } => ChangeRef::Deletion { | ||
| location: Cow::Owned(location.into_owned()), | ||
| index, | ||
| entry_mode, | ||
| id: Cow::Owned(id.into_owned()), | ||
| }, | ||
| ChangeRef::Modification { | ||
| location, | ||
| previous_index, | ||
| previous_entry_mode, | ||
| previous_id, | ||
| index, | ||
| entry_mode, | ||
| id, | ||
| } => ChangeRef::Modification { | ||
| location: Cow::Owned(location.into_owned()), | ||
| previous_index, | ||
| previous_entry_mode, | ||
| previous_id: Cow::Owned(previous_id.into_owned()), | ||
| index, | ||
| entry_mode, | ||
| id: Cow::Owned(id.into_owned()), | ||
| }, | ||
| ChangeRef::Rewrite { | ||
| source_location, | ||
| source_index, | ||
| source_entry_mode, | ||
| source_id, | ||
| location, | ||
| index, | ||
| entry_mode, | ||
| id, | ||
| copy, | ||
| } => ChangeRef::Rewrite { | ||
| source_location: Cow::Owned(source_location.into_owned()), | ||
| source_index, | ||
| source_entry_mode, | ||
| source_id: Cow::Owned(source_id.into_owned()), | ||
| location: Cow::Owned(location.into_owned()), | ||
| index, | ||
| entry_mode, | ||
| id: Cow::Owned(id.into_owned()), | ||
| copy, | ||
| }, | ||
| ChangeRef::Unmerged { | ||
| location, | ||
| stage, | ||
| index, | ||
| entry_mode, | ||
| id, | ||
| } => ChangeRef::Unmerged { | ||
| location: Cow::Owned(location.into_owned()), | ||
| stage, | ||
| index, | ||
| entry_mode, | ||
| id: Cow::Owned(id.into_owned()), | ||
| }, | ||
| } | ||
| } | ||
| } | ||
|
|
||
| impl ChangeRef<'_, '_> { | ||
| /// Return all shared fields among all variants: `(location, index, entry_mode, id)` | ||
| /// | ||
| /// In case of rewrites, the fields return to the current change. | ||
| pub fn fields(&self) -> (&BStr, usize, gix_index::entry::Mode, &gix_hash::oid) { | ||
| match self { | ||
| ChangeRef::Addition { | ||
| location, | ||
| index, | ||
| entry_mode, | ||
| id, | ||
| .. | ||
| } | ||
| | ChangeRef::Deletion { | ||
| location, | ||
| index, | ||
| entry_mode, | ||
| id, | ||
| .. | ||
| } | ||
| | ChangeRef::Modification { | ||
| location, | ||
| index, | ||
| entry_mode, | ||
| id, | ||
| .. | ||
| } | ||
| | ChangeRef::Rewrite { | ||
| location, | ||
| index, | ||
| entry_mode, | ||
| id, | ||
| .. | ||
| } | ||
| | ChangeRef::Unmerged { | ||
| location, | ||
| index, | ||
| entry_mode, | ||
| id, | ||
| .. | ||
| } => (location.as_ref(), *index, *entry_mode, id), | ||
| } | ||
| } | ||
| } | ||
|
|
||
| impl rewrites::tracker::Change for ChangeRef<'_, '_> { | ||
| fn id(&self) -> &gix_hash::oid { | ||
| match self { | ||
| ChangeRef::Addition { id, .. } | ChangeRef::Deletion { id, .. } | ChangeRef::Modification { id, .. } => { | ||
| id.as_ref() | ||
| } | ||
| ChangeRef::Rewrite { .. } | ChangeRef::Unmerged { .. } => { | ||
| unreachable!("BUG") | ||
| } | ||
| } | ||
| } | ||
|
|
||
| fn relation(&self) -> Option<Relation> { | ||
| None | ||
| } | ||
|
|
||
| fn kind(&self) -> ChangeKind { | ||
| match self { | ||
| ChangeRef::Addition { .. } => ChangeKind::Addition, | ||
| ChangeRef::Deletion { .. } => ChangeKind::Deletion, | ||
| ChangeRef::Modification { .. } => ChangeKind::Modification, | ||
| ChangeRef::Rewrite { .. } => { | ||
| unreachable!("BUG: rewrites can't be determined ahead of time") | ||
| } | ||
| ChangeRef::Unmerged { .. } => { | ||
| unreachable!("BUG: unmerged don't participate in rename tracking") | ||
| } | ||
| } | ||
| } | ||
|
|
||
| fn entry_mode(&self) -> tree::EntryMode { | ||
| match self { | ||
| ChangeRef::Addition { entry_mode, .. } | ||
| | ChangeRef::Deletion { entry_mode, .. } | ||
| | ChangeRef::Modification { entry_mode, .. } | ||
| | ChangeRef::Rewrite { entry_mode, .. } | ||
| | ChangeRef::Unmerged { entry_mode, .. } => { | ||
| entry_mode | ||
| .to_tree_entry_mode() | ||
| // Default is for the impossible case - just don't let it participate in rename tracking. | ||
| .unwrap_or(tree::EntryKind::Tree.into()) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| fn id_and_entry_mode(&self) -> (&gix_hash::oid, tree::EntryMode) { | ||
| match self { | ||
| ChangeRef::Addition { id, entry_mode, .. } | ||
| | ChangeRef::Deletion { id, entry_mode, .. } | ||
| | ChangeRef::Modification { id, entry_mode, .. } | ||
| | ChangeRef::Rewrite { id, entry_mode, .. } | ||
| | ChangeRef::Unmerged { id, entry_mode, .. } => { | ||
| ( | ||
| id, | ||
| entry_mode | ||
| .to_tree_entry_mode() | ||
| // Default is for the impossible case - just don't let it participate in rename tracking. | ||
| .unwrap_or(tree::EntryKind::Tree.into()), | ||
| ) | ||
| } | ||
| } | ||
| } | ||
| } |
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