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git_backend: remove unused proto field for resolved tree id

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We store resolved tree ids in the regular Git commit, so we we never
ended up using the `resolved` variant in the `root_tree`.
This commit is contained in:
Martin von Zweigbergk 2023-08-24 21:41:24 -07:00 committed by Martin von Zweigbergk
parent 2fe4372121
commit 589e0db3c5
3 changed files with 21 additions and 42 deletions
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15
lib/src/git_backend.rs
View file

@ -293,7 +293,7 @@ fn serialize_extras(commit: &Commit) -> Vec<u8> {
uses_tree_conflict_format: commit.uses_tree_conflict_format,
..Default::default()
};
if commit.root_tree.as_resolved().is_none() {
if !commit.root_tree.is_resolved() {
assert!(commit.uses_tree_conflict_format);
let removes = commit
.root_tree
@ -307,10 +307,7 @@ fn serialize_extras(commit: &Commit) -> Vec<u8> {
.iter()
.map(|r| r.to_bytes())
.collect_vec();
let conflict = crate::protos::git_store::TreeConflict { removes, adds };
proto.root_tree = Some(crate::protos::git_store::commit::RootTree::Conflict(
conflict,
));
proto.root_tree = Some(crate::protos::git_store::TreeConflict { removes, adds });
}
for predecessor in &commit.predecessors {
proto.predecessors.push(predecessor.to_bytes());
@ -322,8 +319,7 @@ fn deserialize_extras(commit: &mut Commit, bytes: &[u8]) {
let proto = crate::protos::git_store::Commit::decode(bytes).unwrap();
commit.change_id = ChangeId::new(proto.change_id);
commit.uses_tree_conflict_format = proto.uses_tree_conflict_format;
match proto.root_tree {
Some(crate::protos::git_store::commit::RootTree::Conflict(proto_conflict)) => {
if let Some(proto_conflict) = proto.root_tree {
assert!(commit.uses_tree_conflict_format);
commit.root_tree = Merge::new(
proto_conflict
@ -338,11 +334,6 @@ fn deserialize_extras(commit: &mut Commit, bytes: &[u8]) {
.collect(),
);
}
Some(crate::protos::git_store::commit::RootTree::Resolved(_)) => {
panic!("found resolved root tree in extras (should only be written to git metadata)");
}
None => {}
}
for predecessor in &proto.predecessors {
commit.predecessors.push(CommitId::from_bytes(predecessor));
}

6
lib/src/protos/git_store.proto
View file

@ -25,10 +25,8 @@ message Commit {
repeated bytes predecessors = 2;
bytes change_id = 4;
oneof root_tree {
bytes resolved = 3;
TreeConflict conflict = 1;
}
// Set only for conflicts. Resolved trees are stored in the git commit
TreeConflict root_tree = 1;
// TODO(#1624): delete when we assume that all commits use this format
bool uses_tree_conflict_format = 10;

16
lib/src/protos/git_store.rs
View file

@ -13,6 +13,9 @@ pub struct Commit {
pub predecessors: ::prost::alloc::vec::Vec<::prost::alloc::vec::Vec<u8>>,
#[prost(bytes = "vec", tag = "4")]
pub change_id: ::prost::alloc::vec::Vec<u8>,
/// Set only for conflicts. Resolved trees are stored in the git commit
#[prost(message, optional, tag = "1")]
pub root_tree: ::core::option::Option<TreeConflict>,
/// TODO(#1624): delete when we assume that all commits use this format
#[prost(bool, tag = "10")]
pub uses_tree_conflict_format: bool,
@ -22,17 +25,4 @@ pub struct Commit {
#[deprecated]
#[prost(bool, tag = "9")]
pub is_pruned: bool,
#[prost(oneof = "commit::RootTree", tags = "3, 1")]
pub root_tree: ::core::option::Option<commit::RootTree>,
}
/// Nested message and enum types in `Commit`.
pub mod commit {
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Oneof)]
pub enum RootTree {
#[prost(bytes, tag = "3")]
Resolved(::prost::alloc::vec::Vec<u8>),
#[prost(message, tag = "1")]
Conflict(super::TreeConflict),
}
}