feat(readline): pass suggestions to history searcher callback

readline/comp-group.go

@@ -88,7 +88,7 @@ func (g *CompletionGroup) updateTabFind(rl *Instance) {
 	if rl.searchMode != HistoryFind {
 		g.Suggestions = g.filterSuggestions(rl)
 	} else {
-		g.Suggestions = rl.HistorySearcher(string(rl.tfLine))
+		g.Suggestions = rl.HistorySearcher(string(rl.tfLine), g.Suggestions)
 	}
 
 	// Finally, the group computes its new printing settings

readline/instance.go

@@ -201,7 +201,7 @@ type Instance struct {
 
 	RawInputCallback func([]rune) // called on all input
 
-	HistorySearcher func(string) []string
+	HistorySearcher func(string, []string) []string
 }
 
 // NewInstance is used to create a readline instance and initialise it with sane defaults.