diff options
Diffstat (limited to 'commitgraph/bloom/contain.go')
| -rw-r--r-- | commitgraph/bloom/contain.go | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/commitgraph/bloom/contain.go b/commitgraph/bloom/contain.go new file mode 100644 index 00000000..331b7687 --- /dev/null +++ b/commitgraph/bloom/contain.go @@ -0,0 +1,25 @@ +package bloom + +// MightContain reports whether the Bloom filter may contain the given path. +// +// Evaluated against the full path and each of its directory prefixes. A true +// result indicates a possible match; false means the path definitely did not +// change. +func (f *Filter) MightContain(path []byte) (bool, error) { + if len(f.Data) == 0 { + return false, nil + } + + keys, err := keyvec(path, f) + if err != nil { + return false, err + } + + for i := range keys { + if filterContainsKey(f, keys[i]) { + return true, nil + } + } + + return false, nil +} |
