Fix incorrect precedence for inexact match check

Due to the precedence of the logical operators an inexact match is
detected even if the hostnames differ. Only the path is checked to be a
prefix of the crate path. Adding parentheses fixes the problem.

src/lib.rs

@@ -388,8 +388,9 @@ impl Krate {
             Source::Sparse(surl) | Source::Registry(surl) | Source::Git { url: surl, .. } => surl,
         };
 
-        kurl.host() == url.host() && (exact && kurl.path() == url.path())
-            || (!exact && kurl.path().starts_with(url.path()))
+        kurl.host() == url.host()
+            && ((exact && kurl.path() == url.path())
+                || (!exact && kurl.path().starts_with(url.path())))
     }
 
     #[inline]
@@ -614,7 +615,7 @@ pub fn krates_with_index(
 
 #[cfg(test)]
 mod test {
-    use super::Source;
+    use super::{Krate, PathBuf, Source, Url};
 
     #[test]
     fn parses_sources() {
@@ -675,4 +676,38 @@ mod test {
             super::CRATES_IO_SPARSE_DIR
         );
     }
+
+    #[test]
+    fn inexact_match_fails_for_different_hosts() {
+        let krate = Krate {
+            source: Some(
+                Source::from_metadata(
+                    "git+ssh://git@repo1.test.org/path/test.git".to_owned(),
+                    &PathBuf::new(),
+                )
+                .unwrap(),
+            ),
+            ..Krate::default()
+        };
+        let url = Url::parse("ssh://git@repo2.test.org:8000").unwrap();
+
+        assert!(!krate.matches_url(&url, false));
+    }
+
+    #[test]
+    fn inexact_match_passes_for_same_hosts() {
+        let krate = Krate {
+            source: Some(
+                Source::from_metadata(
+                    "git+ssh://git@repo1.test.org/path/test.git".to_owned(),
+                    &PathBuf::new(),
+                )
+                .unwrap(),
+            ),
+            ..Krate::default()
+        };
+        let url = Url::parse("ssh://git@repo1.test.org:8000").unwrap();
+
+        assert!(krate.matches_url(&url, false));
+    }
 }