ref/refname: Add refname validation

1 files changed, 19 insertions, 0 deletions

diff --git a/ref/refname/sanitize.go b/ref/refname/sanitize.go
new file mode 100644
index 00000000..f543de7c
--- /dev/null
+++ b/ref/refname/sanitize.go
@@ -0,0 +1,19 @@
+package refname
+
+import (
+	"fmt"
+	"strings"
+)
+
+// SanitizeComponent mutates component until it satisfies
+// sanitize_refname_component.
+func SanitizeComponent(component string) string {
+	var builder strings.Builder
+
+	err := checkOrSanitizeRefname(component, refnameAllowOneLevel, &builder)
+	if err != nil {
+		panic(fmt.Sprintf("ref: sanitize component %q: %v", component, err))
+	}
+
+	return builder.String()
+}