chore!: remove changes feature

It only gated a little bit of code, but no dependencies. Thus it had no considerable
effect on build times and can be removed.

.github/workflows/cargo.yml

@@ -26,7 +26,7 @@ jobs:
       - uses: actions-rs/cargo@v1
         with:
           command: test
-          args: --features=sparse-http,ssh,changes,git-index-performance --release
+          args: --features=sparse-http,ssh,git-index-performance --release
       - uses: actions-rs/cargo@v1
         with:
           command: check

Cargo.toml

@@ -20,10 +20,6 @@ required-features = ["sparse-http"]
 name = "sparse_http_ureq"
 required-features = ["sparse-http"]
 
-[[example]]
-name = "update_and_get_latest"
-required-features = ["changes"]
-
 [dependencies]
 gix = { version = "0.50.0", default-features = false, features = ["max-performance-safe", "blocking-network-client"], optional = true }
 hex = { version = "0.4.3", features = ["serde"] }
@@ -55,7 +51,6 @@ features = ["sparse-http"]
 
 [features]
 default = ["git-index", "https", "parallel"]
-changes = ["git-index"]
 git-index = ["dep:gix"]
 git-index-performance = ["git-index", "gix?/max-performance"]
 https = ["git-index", "gix?/blocking-http-transport-curl"]

src/bare_index.rs

@@ -1,5 +1,4 @@
 #![allow(clippy::result_large_err)]
-#[cfg(feature = "changes")]
 use crate::changes::ChangesIter;
 use crate::dedupe::DedupeContext;
 use crate::dirs::get_index_details;
@@ -84,7 +83,6 @@ impl Index {
     /// Crates will be reported multiple times, once for each publish/yank/unyank event that happened.
     ///
     /// If you like to know publication dates of all crates, consider <https://crates.io/data-access> instead.
-    #[cfg(feature = "changes")]
     pub fn changes(&self) -> Result<ChangesIter<'_>, Error> {
         Ok(ChangesIter::new(self)?)
     }
@@ -518,23 +516,32 @@ mod test {
     #[test]
     #[cfg_attr(debug_assertions, ignore = "too slow in debug mode")]
     fn parse_all_blobs() {
-        let index = shared_index();
-
-        let mut ctx = DedupeContext::new();
-
-        let mut found_gcc_crate = false;
-        for c in index.crates_blobs().unwrap() {
-            match c.parse(&mut ctx) {
-                Ok(c) => {
-                    if c.name() == "gcc" {
-                        found_gcc_crate = true;
+        std::thread::scope(|scope| {
+            let (tx, rx) = std::sync::mpsc::channel();
+            let blobs = scope.spawn(move || {
+                let index = shared_index();
+                for c in index.crates_blobs().unwrap() {
+                    tx.send(c).unwrap();
+                }
+            });
+            let parse = scope.spawn(move || {
+                let mut found_gcc_crate = false;
+                let mut ctx = DedupeContext::new();
+                for c in rx {
+                    match c.parse(&mut ctx) {
+                        Ok(c) => {
+                            if c.name() == "gcc" {
+                                found_gcc_crate = true;
+                            }
+                        }
+                        Err(e) => panic!("can't parse :( {:?}: {e}", c.0.as_bstr()),
                     }
                 }
-                Err(e) => panic!("can't parse :( {:?}: {e}", c.0.as_bstr()),
-            }
-        }
-
-        assert!(found_gcc_crate);
+                assert!(found_gcc_crate);
+            });
+            parse.join().unwrap();
+            blobs.join().unwrap();
+        });
     }
 
     fn shared_index() -> Index {

src/lib.rs

@@ -52,10 +52,9 @@
 //! # Ok::<_, crates_index::Error>(())
 //! ```
 //!
-//! ### Getting most recently published or yanked crates (enable the `changes` feature!)
+//! ### Getting most recently published or yanked crates 
 //!
 //! ```rust
-//! # #![cfg(feature = "changes")]
 //! # {
 //! let index = crates_index::Index::new_cargo_default()?;
 //!
@@ -118,7 +117,6 @@ use std::sync::Arc;
 mod bare_index;
 mod config;
 mod dedupe;
-#[cfg(feature = "changes")]
 mod changes;
 mod dirs;
 /// Re-exports in case you want to inspect specific error details