with_precise as a helper

Author: Eh2406

src/cargo/core/source_id.rs

@@ -468,48 +468,30 @@ impl SourceId {
 
     /// Creates a new `SourceId` from this source with the given `precise`.
     pub fn with_git_precise(self, fragment: Option<String>) -> SourceId {
-        let precise = fragment.map(|f| Precise::GitUrlFragment(f));
-        if self.inner.precise == precise {
-            self
-        } else {
-            SourceId::wrap(SourceIdInner {
-                precise,
-                ..(*self.inner).clone()
-            })
-        }
+        self.with_precise(&fragment.map(|f| Precise::GitUrlFragment(f)))
     }
 
     /// Creates a new `SourceId` from this source without a `precise`.
     pub fn without_precise(self) -> SourceId {
-        if self.inner.precise.is_none() {
-            self
-        } else {
-            SourceId::wrap(SourceIdInner {
-                precise: None,
-                ..(*self.inner).clone()
-            })
-        }
+        self.with_precise(&None)
     }
 
     /// Creates a new `SourceId` from this source without a `precise`.
     pub fn with_locked_precise(self) -> SourceId {
-        if self.inner.precise == Some(Precise::Locked) {
-            self
-        } else {
-            SourceId::wrap(SourceIdInner {
-                precise: Some(Precise::Locked),
-                ..(*self.inner).clone()
-            })
-        }
+        self.with_precise(&Some(Precise::Locked))
     }
 
     /// Creates a new `SourceId` from this source with the `precise` from some other `SourceId`.
     pub fn with_precise_from(self, v: Self) -> SourceId {
-        if self.inner.precise == v.inner.precise {
+        self.with_precise(&v.inner.precise)
+    }
+
+    fn with_precise(self, precise: &Option<Precise>) -> SourceId {
+        if &self.inner.precise == precise {
             self
         } else {
             SourceId::wrap(SourceIdInner {
-                precise: v.inner.precise.clone(),
+                precise: precise.clone(),
                 ..(*self.inner).clone()
             })
         }