func (c Cache) Rebuild(srcs []string, dst string) error {
a, err := util.FromFilename(dst)
if err != nil {
return err
}
return rebuildCache(srcs, dst, c.s, a)
}
func (c Cache) Restore(src string, fallback string) error {
a, err := util.FromFilename(src)
if err != nil {
return err
}
err = restoreCache(src, c.s, a)
if err != nil && fallback != "" && fallback != src {
log.Warnf("Failed to retrieve %s, trying %s", src, fallback)
err = restoreCache(fallback, c.s, a)
}
// Cache plugin should print an error but it should not return it
// this is so the build continues even if the cache cant be restored
if err != nil {
log.Warnf("Cache could not be restored %s", err)
}
return nil
}