machine: check for file exists instead of listing directory
[NO TESTS NEEDED]
@@ -6,6 +6,7 @@ import (
"crypto/sha256"
"io/ioutil"
url2 "net/url"
+ "os"
"path/filepath"
"runtime"
"strings"
@@ -91,24 +92,16 @@ func UpdateAvailable(d *Download) (bool, error) {
// check the sha of the local image if it exists
// get the sha of the remote image
// == dont bother to pull
- files, err := ioutil.ReadDir(filepath.Dir(d.LocalPath))
- if err != nil {
- return false, err
+ if _, err := os.Stat(d.LocalPath); os.IsNotExist(err) {
+ return false, nil
}
- for _, file := range files {
- if filepath.Base(d.LocalPath) == file.Name() {
b, err := ioutil.ReadFile(d.LocalPath)
if err != nil {
return false, err
}
s := sha256.Sum256(b)
sum := digest.NewDigestFromBytes(digest.SHA256, s[:])
- if sum.Encoded() == d.Sha256sum {
- return true, nil
- }
- }
- }
- return false, nil
+ return sum.Encoded() == d.Sha256sum, nil
}
func getFcosArch() string {
