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Snapshot: Add Original ID

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The Original ID is used when the snapshot is modified (e.g. by `tag`
command). Adjust integration testing to assert correctness.
This commit is contained in:
Pauline Middelink 2017-03-05 17:51:57 +01:00 committed by Alexander Neumann
parent 26e266a951
commit 1fa2313aef
3 changed files with 24 additions and 0 deletions
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5
src/cmds/restic/cmd_tag.go
View file

@ -76,6 +76,11 @@ func changeTags(repo *repository.Repository, snapshotID restic.ID, setTags, addT
}
if changed {
// Retain the original snapshot id over all tag changes.
if sn.Original == nil {
sn.Original = sn.ID()
}
// Save the new snapshot.
id, err := repo.SaveJSONUnpacked(restic.SnapshotFile, sn)
if err != nil {

18
src/cmds/restic/integration_test.go
View file

@ -670,6 +670,9 @@ func TestTag(t *testing.T) {
Assert(t, newest != nil, "expected a new backup, got nil")
Assert(t, len(newest.Tags) == 0,
"expected no tags, got %v", newest.Tags)
Assert(t, newest.Original == nil,
"expected original ID to be nil, got %v", newest.Original)
originalID := *newest.ID
testRunTag(t, TagOptions{SetTags: []string{"NL"}}, gopts)
testRunCheck(t, gopts)
@ -677,6 +680,9 @@ func TestTag(t *testing.T) {
Assert(t, newest != nil, "expected a new backup, got nil")
Assert(t, len(newest.Tags) == 1 && newest.Tags[0] == "NL",
"set failed, expected one NL tag, got %v", newest.Tags)
Assert(t, newest.Original != nil, "expected original snapshot id, got nil")
Assert(t, *newest.Original == originalID,
"expected original ID to be set to the first snapshot id")
testRunTag(t, TagOptions{AddTags: []string{"CH"}}, gopts)
testRunCheck(t, gopts)
@ -684,6 +690,9 @@ func TestTag(t *testing.T) {
Assert(t, newest != nil, "expected a new backup, got nil")
Assert(t, len(newest.Tags) == 2 && newest.Tags[0] == "NL" && newest.Tags[1] == "CH",
"add failed, expected CH,NL tags, got %v", newest.Tags)
Assert(t, newest.Original != nil, "expected original snapshot id, got nil")
Assert(t, *newest.Original == originalID,
"expected original ID to be set to the first snapshot id")
testRunTag(t, TagOptions{RemoveTags: []string{"NL"}}, gopts)
testRunCheck(t, gopts)
@ -691,6 +700,9 @@ func TestTag(t *testing.T) {
Assert(t, newest != nil, "expected a new backup, got nil")
Assert(t, len(newest.Tags) == 1 && newest.Tags[0] == "CH",
"remove failed, expected one CH tag, got %v", newest.Tags)
Assert(t, newest.Original != nil, "expected original snapshot id, got nil")
Assert(t, *newest.Original == originalID,
"expected original ID to be set to the first snapshot id")
testRunTag(t, TagOptions{AddTags: []string{"US", "RU"}}, gopts)
testRunTag(t, TagOptions{RemoveTags: []string{"CH", "US", "RU"}}, gopts)
@ -699,6 +711,9 @@ func TestTag(t *testing.T) {
Assert(t, newest != nil, "expected a new backup, got nil")
Assert(t, len(newest.Tags) == 0,
"expected no tags, got %v", newest.Tags)
Assert(t, newest.Original != nil, "expected original snapshot id, got nil")
Assert(t, *newest.Original == originalID,
"expected original ID to be set to the first snapshot id")
// Check special case of removing all tags.
testRunTag(t, TagOptions{SetTags: []string{""}}, gopts)
@ -707,6 +722,9 @@ func TestTag(t *testing.T) {
Assert(t, newest != nil, "expected a new backup, got nil")
Assert(t, len(newest.Tags) == 0,
"expected no tags, got %v", newest.Tags)
Assert(t, newest.Original != nil, "expected original snapshot id, got nil")
Assert(t, *newest.Original == originalID,
"expected original ID to be set to the first snapshot id")
})
}

1
src/restic/snapshot.go
View file

@ -21,6 +21,7 @@ type Snapshot struct {
GID uint32 `json:"gid,omitempty"`
Excludes []string `json:"excludes,omitempty"`
Tags []string `json:"tags,omitempty"`
Original *ID `json:"original,omitempty"`
id *ID // plaintext ID, used during restore
}