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Add context to content commit

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Content commit is updated to take in a context, allowing
content to be committed within the same context the writer
was in. This is useful when commit may be able to use more
context to complete the action rather than creating its own.
An example of this being useful is for the metadata implementation
of content, having a context allows tests to fully create
content in one database transaction by making use of the context.

Signed-off-by: Derek McGowan <derek@mcgstyle.net>
This commit is contained in:
Derek McGowan
2017-09-06 10:19:12 -07:00
parent e4a77fcc0a
commit 9613acb2ed
16 changed files with 28 additions and 26 deletions
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4
content/local/store_test.go
View File

@@ -94,7 +94,7 @@ func TestContentWriter(t *testing.T) {
checkCopy(t, int64(len(p)), cw, bufio.NewReader(ioutil.NopCloser(bytes.NewReader(p))))
if err := cw.Commit(int64(len(p)), expected); err != nil {
if err := cw.Commit(ctx, int64(len(p)), expected); err != nil {
t.Fatal(err)
}
@@ -109,7 +109,7 @@ func TestContentWriter(t *testing.T) {
// now, attempt to write the same data again
checkCopy(t, int64(len(p)), cw, bufio.NewReader(ioutil.NopCloser(bytes.NewReader(p))))
if err := cw.Commit(int64(len(p)), expected); err != nil {
if err := cw.Commit(ctx, int64(len(p)), expected); err != nil {
t.Fatal(err)
}

3
content/local/writer.go
View File

@@ -1,6 +1,7 @@
package local
import (
"context"
"os"
"path/filepath"
"runtime"
@@ -54,7 +55,7 @@ func (w *writer) Write(p []byte) (n int, err error) {
return n, err
}
func (w *writer) Commit(size int64, expected digest.Digest, opts ...content.Opt) error {
func (w *writer) Commit(ctx context.Context, size int64, expected digest.Digest, opts ...content.Opt) error {
if w.fp == nil {
return errors.Wrap(errdefs.ErrFailedPrecondition, "cannot commit on closed writer")
}