Crate checksum lookup includes build metadata

Author: arlosi

src/cargo/sources/registry/index.rs

@@ -379,7 +379,9 @@ impl<'cfg> RegistryIndex<'cfg> {
     pub fn hash(&mut self, pkg: PackageId, load: &mut dyn RegistryData) -> Poll<CargoResult<&str>> {
         let req = OptVersionReq::exact(pkg.version());
         let summary = self.summaries(&pkg.name(), &req, load)?;
-        let summary = ready!(summary).next();
+        let summary = ready!(summary)
+            .filter(|s| s.summary.version() == pkg.version())
+            .next();
         Poll::Ready(Ok(summary
             .ok_or_else(|| internal(format!("no hash listed for {}", pkg)))?
             .summary
@@ -623,10 +625,10 @@ impl<'cfg> RegistryIndex<'cfg> {
         load: &mut dyn RegistryData,
     ) -> Poll<CargoResult<bool>> {
         let req = OptVersionReq::exact(pkg.version());
-        let found = self
-            .summaries(&pkg.name(), &req, load)
-            .map_ok(|mut p| p.any(|summary| summary.yanked));
-        found
+        let found = ready!(self.summaries(&pkg.name(), &req, load))?
+            .filter(|s| s.summary.version() == pkg.version())
+            .any(|summary| summary.yanked);
+        Poll::Ready(Ok(found))
     }
 }
 

src/cargo/sources/registry/mod.rs

@@ -694,6 +694,7 @@ impl<'cfg> RegistrySource<'cfg> {
             .summaries(&package.name(), &req, &mut *self.ops)?
             .expect("a downloaded dep now pending!?")
             .map(|s| s.summary.clone())
+            .filter(|s| s.version() == package.version())
             .next()
             .expect("summary not found");
         if let Some(cksum) = summary_with_cksum.checksum() {