From d1b033c1685b9af28386780e61c2a2427dfddfcb Mon Sep 17 00:00:00 2001
From: Blake Mizerany <blake.mizerany@gmail.com>
Date: Wed, 13 Nov 2024 23:00:44 -0800
Subject: [PATCH] server: update checkNameExists to use case-insensitive name
 comparison

This allows pulls, pushes, and other model operations to be performed
with mixed-case names, which the Ollama registry supports.
---
 server/routes.go    | 2 +-
 types/model/name.go | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/server/routes.go b/server/routes.go
index c5fd3293..f6ebc5bc 100644
--- a/server/routes.go
+++ b/server/routes.go
@@ -628,7 +628,7 @@ func checkNameExists(name model.Name) error {
 	}
 
 	for n := range names {
-		if strings.EqualFold(n.Filepath(), name.Filepath()) && n != name {
+		if strings.EqualFold(n.Filepath(), name.Filepath()) && n.EqualFold(name) {
 			return errors.New("a model with that name already exists")
 		}
 	}
diff --git a/types/model/name.go b/types/model/name.go
index 75b35ef7..9d819f10 100644
--- a/types/model/name.go
+++ b/types/model/name.go
@@ -298,6 +298,13 @@ func (n Name) LogValue() slog.Value {
 	return slog.StringValue(n.String())
 }
 
+func (n Name) EqualFold(o Name) bool {
+	return strings.EqualFold(n.Host, o.Host) &&
+		strings.EqualFold(n.Namespace, o.Namespace) &&
+		strings.EqualFold(n.Model, o.Model) &&
+		strings.EqualFold(n.Tag, o.Tag)
+}
+
 func isValidLen(kind partKind, s string) bool {
 	switch kind {
 	case kindHost: