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Fix inconsistency of saving/loading config file 

Fix saving/loading config file: Always set ID to a zero ID.
This commit is contained in:
Alexander Weiss 2019-12-05 14:29:34 +01:00 committed by Alexander Weiss
parent dd7b4f54f5
commit d3c59d18e5
3 changed files with 19 additions and 3 deletions
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10
internal/repository/repository.go
View File

@ -82,6 +82,10 @@ func (r *Repository) LoadAndDecrypt(ctx context.Context, buf []byte, t restic.Fi
debug.Log("load %v with id %v", t, id)
if t == restic.ConfigFile {
id = restic.ID{}
}
h := restic.Handle{Type: t, Name: id.String()}
err := r.be.Load(ctx, h, 0, 0, func(rd io.Reader) error {
// make sure this call is idempotent, in case an error occurs
@ -295,7 +299,11 @@ func (r *Repository) SaveUnpacked(ctx context.Context, t restic.FileType, p []by
ciphertext = r.key.Seal(ciphertext, nonce, p, nil)
id = restic.Hash(ciphertext)
if t == restic.ConfigFile {
id = restic.ID{}
} else {
id = restic.Hash(ciphertext)
}
h := restic.Handle{Type: t, Name: id.String()}
err = r.be.Save(ctx, h, restic.NewByteReader(ciphertext))

8
internal/repository/repository_test.go
View File

@ -274,6 +274,14 @@ func TestLoadJSONUnpacked(t *testing.T) {
rtest.Equals(t, sn.Hostname, sn2.Hostname)
rtest.Equals(t, sn.Username, sn2.Username)
var cf restic.Config
// load and check Config
err = repo.LoadJSONUnpacked(context.TODO(), restic.ConfigFile, id, &cf)
rtest.OK(t, err)
rtest.Equals(t, cf.ChunkerPolynomial, repository.TestChunkerPol)
}
var repoFixture = filepath.Join("testdata", "test-repo.tar.gz")

4
internal/repository/testing.go
View File

@ -36,7 +36,7 @@ func TestBackend(t testing.TB) (be restic.Backend, cleanup func()) {
return mem.New(), func() {}
}
const testChunkerPol = chunker.Pol(0x3DA3358B4DC173)
const TestChunkerPol = chunker.Pol(0x3DA3358B4DC173)
// TestRepositoryWithBackend returns a repository initialized with a test
// password. If be is nil, an in-memory backend is used. A constant polynomial
@ -53,7 +53,7 @@ func TestRepositoryWithBackend(t testing.TB, be restic.Backend) (r restic.Reposi
repo := New(be)
cfg := restic.TestCreateConfig(t, testChunkerPol)
cfg := restic.TestCreateConfig(t, TestChunkerPol)
err := repo.init(context.TODO(), test.TestPassword, cfg)
if err != nil {
t.Fatalf("TestRepository(): initialize repo failed: %v", err)