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Fix quadratic time complexity of Snapshot.HasPaths

This commit is contained in:
DRON-666 2022-08-30 04:38:17 +03:00
parent f481ad64c8
commit d0f1060df7
1 changed files with 5 additions and 10 deletions
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15
internal/restic/snapshot.go
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@ -237,19 +237,14 @@ func (sn *Snapshot) HasTagList(l []TagList) bool {
return false
}
func (sn *Snapshot) hasPath(path string) bool {
for _, snPath := range sn.Paths {
if path == snPath {
return true
}
}
return false
}
// HasPaths returns true if the snapshot has all of the paths.
func (sn *Snapshot) HasPaths(paths []string) bool {
m := make(map[string]struct{}, len(sn.Paths))
for _, snPath := range sn.Paths {
m[snPath] = struct{}{}
}
for _, path := range paths {
if !sn.hasPath(path) {
if _, ok := m[path]; !ok {
return false
}
}