config: add missing functions for completeness

1 files changed, 10 insertions, 0 deletions

diff --git a/plumbing/format/config/option.go b/plumbing/format/config/option.go
index d4775e4..316ff52 100644
--- a/plumbing/format/config/option.go
+++ b/plumbing/format/config/option.go
@@ -54,6 +54,16 @@ func (opts Options) Get(key string) string {
 	return ""
 }
 
+// Has checks if an Option exist with the given key.
+func (opts Options) Has(key string) bool {
+	for _, o := range opts {
+		if o.IsKey(key) {
+			return true
+		}
+	}
+	return false
+}
+
 // GetAll returns all possible values for the same key.
 func (opts Options) GetAll(key string) []string {
 	result := []string{}