1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
package deb
import (
"errors"
"fmt"
"github.com/aptly-dev/aptly/database"
)
// FindDanglingReferences finds references that exist in the given PackageRefList, but not in the given PackageCollection.
// It returns all such references, so they can be removed from the database.
func FindDanglingReferences(reflist *PackageRefList, packages *PackageCollection) (dangling *PackageRefList, err error) {
dangling = &PackageRefList{}
err = reflist.ForEach(func(key []byte) error {
ok, err := isDangling(packages, key)
if err != nil {
return err
}
if ok {
dangling.Refs = append(dangling.Refs, key)
}
return nil
})
if err != nil {
return nil, err
}
return dangling, nil
}
func isDangling(packages *PackageCollection, key []byte) (bool, error) {
_, err := packages.ByKey(key)
if errors.Is(err, database.ErrNotFound) {
return true, nil
}
if err != nil {
return false, fmt.Errorf("get reference %q: %w", key, err)
}
return false, nil
}
|
