func subtractWhiteouts(pathWhitelist []string, whiteouts []string) []string {
matchPaths := []string{}
for _, path := range pathWhitelist {
// If one of the parent dirs of the current path matches the
// whiteout then also this path should be removed
curPath := path
for curPath != "/" {
for _, whiteout := range whiteouts {
if curPath == whiteout {
matchPaths = append(matchPaths, path)
}
}
curPath = filepath.Dir(curPath)
}
}
for _, matchPath := range matchPaths {
idx := util.IndexOf(pathWhitelist, matchPath)
if idx != -1 {
pathWhitelist = append(pathWhitelist[:idx], pathWhitelist[idx+1:]...)
}
}
sort.Sort(sort.StringSlice(pathWhitelist))
return pathWhitelist
}
func subtractWhiteouts(pathWhitelist []string, whiteouts []string) []string {
for _, whiteout := range whiteouts {
idx := util.IndexOf(pathWhitelist, whiteout)
if idx != -1 {
pathWhitelist = append(pathWhitelist[:idx], pathWhitelist[idx+1:]...)
}
}
return pathWhitelist
}