feat: gix remote ref-map makes clear which specs are implicit.

Normally refspecs are coming from the configuration only, but now
implied specs due to the implicit include-tag feature also matter.

Author: Byron

gitoxide-core/src/repository/fetch.rs

@@ -102,6 +102,18 @@ pub(crate) mod function {
             if mapping.spec_index != last_spec_index {
                 last_spec_index = mapping.spec_index;
                 spec.to_ref().write_to(&mut out)?;
+                let is_implicit = mapping.spec_index.implicit_index().is_some();
+                if is_implicit {
+                    write!(&mut out, " (implicit")?;
+                    if spec.to_ref()
+                        == git::remote::fetch::Tags::Included
+                            .to_refspec()
+                            .expect("always yields refspec")
+                    {
+                        write!(&mut out, ", due to auto-tag")?;
+                    }
+                    write!(&mut out, ")")?;
+                }
                 writeln!(out)?;
             }
 
@@ -118,7 +130,7 @@ pub(crate) mod function {
                 Some(edit) => {
                     writeln!(out, " -> {} [{}]", edit.name, update.mode)
                 }
-                None => writeln!(out, " (fetch only)"),
+                None => writeln!(out, " [{}]", update.mode),
             }?;
         }
         if !map.fixes.is_empty() {

gitoxide-core/src/repository/remote.rs

@@ -126,6 +126,18 @@ mod refs_impl {
                     .get(refspecs, &map.extra_refspecs)
                     .expect("refspecs here are the ones used for mapping");
                 spec.to_ref().write_to(&mut out)?;
+                let is_implicit = mapping.spec_index.implicit_index().is_some();
+                if is_implicit {
+                    write!(&mut out, " (implicit")?;
+                    if spec.to_ref()
+                        == git::remote::fetch::Tags::Included
+                            .to_refspec()
+                            .expect("always yields refspec")
+                    {
+                        write!(&mut out, ", due to auto-tag")?;
+                    }
+                    write!(&mut out, ")")?;
+                }
                 writeln!(out)?;
             }
 
@@ -203,7 +215,7 @@ mod refs_impl {
             }
         }
         if refspecs.is_empty() {
-            bail!("Without ref-specs there is nothing to show here. Add ref-specs as arguments or configure them in git-config.")
+            bail!("Without refspecs there is nothing to show here. Add refspecs as arguments or configure them in git-config.")
         }
         Ok(())
     }