Support for 'serde1' feature in git-worktree (#301)

Author: Byron

Cargo.lock

@@ -86,6 +86,7 @@ check: ## Build all code in suitable configurations
 	cd git-object && cargo check --all-features \
                   && cargo check --features verbose-object-parsing-errors
 	cd git-index && cargo check --features serde1
+	cd git-worktree && cargo check --features serde1
 	cd git-actor && cargo check --features serde1
 	cd git-pack && cargo check --features serde1 \
 			   && cargo check --features pack-cache-lru-static \

Makefile

@@ -12,18 +12,30 @@ doctest = false
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[features]
+## Data structures implement `serde::Serialize` and `serde::Deserialize`.
+serde1 = [ "serde", "bstr/serde1", "git-index/serde1", "git-hash/serde1", "git-object/serde1" ]
+
 [dependencies]
 git-index = { version = "^0.1.0", path = "../git-index" }
 git-hash = { version = "^0.9.0", path = "../git-hash" }
 git-object = { version = "^0.17.0", path = "../git-object" }
 git-features = { version = "^0.19.1", path = "../git-features" }
 
+serde = { version = "1.0.114", optional = true, default-features = false, features = ["derive"]}
+
 quick-error = "2.0.1"
 bstr = { version = "0.2.13", default-features = false }
 
+document-features = { version = "0.2.0", optional = true }
+
 [dev-dependencies]
 git-testtools = { path = "../tests/tools" }
 git-odb = { path = "../git-odb" }
 
 walkdir = "2.3.2"
 tempfile = "3.2.0"
+
+[package.metadata.docs.rs]
+features = ["document-features"]
+all-features = true

git-worktree/Cargo.toml

@@ -3,6 +3,8 @@
 /// file system related utilities
 pub mod fs {
     /// Common knowledge about the worktree that is needed across most interactions with the work tree
+    #[cfg_attr(feature = "serde1", derive(serde::Serialize, serde::Deserialize))]
+    #[derive(PartialEq, Eq, Debug, Hash, Ord, PartialOrd, Clone, Copy)]
     pub struct Context {
         /// If true, the filesystem will store paths as decomposed unicode, i.e. `ä` becomes `"a\u{308}"`, which means that
         /// we have to turn these forms back from decomposed to precomposed unicode before storing it in the index or generally