Add BranchRef helpers

src/git/refs/branch.rs

@@ -1,5 +1,6 @@
 use std::fmt::Display;
 use std::ops::Deref;
+use std::str::FromStr;
 
 use miette::miette;
 
@@ -32,6 +33,13 @@ impl BranchRef {
             BranchRef::Remote(ref_name) => ref_name.branch_name(),
         }
     }
+
+    pub fn as_local(&self) -> LocalBranchRef {
+        match self {
+            BranchRef::Local(local) => local.clone(),
+            BranchRef::Remote(remote) => remote.as_local(),
+        }
+    }
 }
 
 impl PartialEq<Ref> for BranchRef {
@@ -72,6 +80,14 @@ impl TryFrom<Ref> for BranchRef {
     }
 }
 
+impl FromStr for BranchRef {
+    type Err = miette::Report;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        Ref::from_str(s)?.try_into()
+    }
+}
+
 impl From<LocalBranchRef> for BranchRef {
     fn from(value: LocalBranchRef) -> Self {
         Self::Local(value)

src/git/refs/local_branch.rs

@@ -1,6 +1,7 @@
 use std::fmt::Debug;
 use std::fmt::Display;
 use std::ops::Deref;
+use std::str::FromStr;
 
 use miette::miette;
 
@@ -58,6 +59,14 @@ impl TryFrom<Ref> for LocalBranchRef {
     }
 }
 
+impl FromStr for LocalBranchRef {
+    type Err = miette::Report;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        Ref::from_str(s)?.try_into()
+    }
+}
+
 impl<S> From<S> for LocalBranchRef
 where
     S: AsRef<str>,