syft/internal/file/normalize_hashes.go
Alex Goodman 3eab5932e5
Deduplicate digests from user configuration (#2522)
* deduplicate digests from user configuration

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* backout pointer reciever change on imageSource

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

---------

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>
2024-01-19 21:51:55 +00:00

24 lines
416 B
Go

package file
import (
"crypto"
"sort"
"github.com/scylladb/go-set/uset"
)
func NormalizeHashes(hashes []crypto.Hash) []crypto.Hash {
set := uset.New()
for _, h := range hashes {
set.Add(uint(h))
}
list := set.List()
sort.Slice(list, func(i, j int) bool {
return list[i] < list[j]
})
result := make([]crypto.Hash, len(list))
for i, v := range list {
result[i] = crypto.Hash(v)
}
return result
}