backend: remove unused Commit::is_pruned (#32)

lib/protos/store.proto

@@ -57,7 +57,7 @@ message Commit {
   Signature committer = 7;
 
   bool is_open = 8;
-  bool is_pruned = 9;
+  bool is_pruned = 9 [deprecated = true];
 }
 
 message Conflict {

lib/src/backend.rs

@@ -162,7 +162,6 @@ pub struct Commit {
     pub author: Signature,
     pub committer: Signature,
     pub is_open: bool,
-    pub is_pruned: bool,
 }
 
 #[derive(Debug, PartialEq, Eq, Clone)]

lib/src/commit.rs

@@ -124,10 +124,6 @@ impl Commit {
         self.data.is_open
     }
 
-    pub fn is_pruned(&self) -> bool {
-        self.data.is_pruned
-    }
-
     pub fn is_empty(&self) -> bool {
         let parents = self.parents();
         // TODO: Perhaps the root commit should also be considered empty.

lib/src/commit_builder.rs

@@ -59,7 +59,6 @@ impl CommitBuilder {
             author: signature.clone(),
             committer: signature,
             is_open: false,
-            is_pruned: false,
         };
         CommitBuilder {
             store: store.clone(),
@@ -76,7 +75,6 @@ impl CommitBuilder {
         let mut commit = predecessor.store_commit().clone();
         commit.predecessors = vec![predecessor.id().clone()];
         commit.committer = signature(settings);
-        commit.is_pruned = false;
         CommitBuilder {
             store: store.clone(),
             commit,
@@ -100,7 +98,6 @@ impl CommitBuilder {
             author: signature.clone(),
             committer: signature,
             is_open: true,
-            is_pruned: false,
         };
         CommitBuilder {
             store: store.clone(),

lib/src/git_backend.rs

@@ -92,7 +92,6 @@ fn signature_to_git(signature: &Signature) -> git2::Signature {
 fn serialize_note(commit: &Commit) -> String {
     let mut proto = crate::protos::store::Commit::new();
     proto.is_open = commit.is_open;
-    proto.is_pruned = commit.is_pruned;
     proto.change_id = commit.change_id.0.to_vec();
     for predecessor in &commit.predecessors {
         proto.predecessors.push(predecessor.0.to_vec());
@@ -106,7 +105,6 @@ fn deserialize_note(commit: &mut Commit, note: &str) {
     let mut cursor = Cursor::new(bytes);
     let proto: crate::protos::store::Commit = Message::parse_from_reader(&mut cursor).unwrap();
     commit.is_open = proto.is_open;
-    commit.is_pruned = proto.is_pruned;
     commit.change_id = ChangeId(proto.change_id);
     for predecessor in &proto.predecessors {
         commit.predecessors.push(CommitId(predecessor.clone()));
@@ -353,7 +351,6 @@ impl Backend for GitBackend {
             author,
             committer,
             is_open: false,
-            is_pruned: false,
         };
 
         let maybe_note = locked_repo
@@ -564,7 +561,6 @@ mod tests {
         assert_eq!(commit.predecessors, vec![]);
         assert_eq!(commit.root_tree.0.as_slice(), root_tree_id.as_bytes());
         assert!(!commit.is_open);
-        assert!(!commit.is_pruned);
         assert_eq!(commit.description, "git commit message");
         assert_eq!(commit.author.name, "git author");
         assert_eq!(commit.author.email, "git.author@example.com");
@@ -641,7 +637,6 @@ mod tests {
             author: signature.clone(),
             committer: signature,
             is_open: false,
-            is_pruned: false,
         };
         let commit_id = store.write_commit(&commit).unwrap();
         let git_refs = git_repo
@@ -675,7 +670,6 @@ mod tests {
             author: signature.clone(),
             committer: signature,
             is_open: false,
-            is_pruned: false,
         };
         let commit_id1 = store.write_commit(&commit1).unwrap();
         let mut commit2 = commit1;