func getIsSubmittedCheck(repo repository.Repo) func(ref, commit string) bool {
refCommitsMap := make(map[string]map[string]bool)
getRefCommitsMap := func(ref string) map[string]bool {
commitsMap, ok := refCommitsMap[ref]
if ok {
return commitsMap
}
commitsMap = make(map[string]bool)
for _, commit := range repo.ListCommits(ref) {
commitsMap[commit] = true
}
refCommitsMap[ref] = commitsMap
return commitsMap
}
return func(ref, commit string) bool {
return getRefCommitsMap(ref)[commit]
}
}