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Merge pull request #39021 from imxyb/err-is-always-nil

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Remove the "err == nil" because is always equal nil.
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Sebastiaan van Stijn 2019-04-09 02:48:36 +02:00 committed by GitHub
commit 2e1cfbca03
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1 changed files with 27 additions and 29 deletions
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56
api/server/router/image/image_routes.go
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@ -57,37 +57,35 @@ func (s *imageRouter) postImagesCreate(ctx context.Context, w http.ResponseWrite
}
}
if err == nil {
if image != "" { //pull
metaHeaders := map[string][]string{}
for k, v := range r.Header {
if strings.HasPrefix(k, "X-Meta-") {
metaHeaders[k] = v
}
if image != "" { //pull
metaHeaders := map[string][]string{}
for k, v := range r.Header {
if strings.HasPrefix(k, "X-Meta-") {
metaHeaders[k] = v
}
authEncoded := r.Header.Get("X-Registry-Auth")
authConfig := &types.AuthConfig{}
if authEncoded != "" {
authJSON := base64.NewDecoder(base64.URLEncoding, strings.NewReader(authEncoded))
if err := json.NewDecoder(authJSON).Decode(authConfig); err != nil {
// for a pull it is not an error if no auth was given
// to increase compatibility with the existing api it is defaulting to be empty
authConfig = &types.AuthConfig{}
}
}
err = s.backend.PullImage(ctx, image, tag, platform, metaHeaders, authConfig, output)
} else { //import
src := r.Form.Get("fromSrc")
// 'err' MUST NOT be defined within this block, we need any error
// generated from the download to be available to the output
// stream processing below
os := ""
if platform != nil {
os = platform.OS
}
err = s.backend.ImportImage(src, repo, os, tag, message, r.Body, output, r.Form["changes"])
}
authEncoded := r.Header.Get("X-Registry-Auth")
authConfig := &types.AuthConfig{}
if authEncoded != "" {
authJSON := base64.NewDecoder(base64.URLEncoding, strings.NewReader(authEncoded))
if err := json.NewDecoder(authJSON).Decode(authConfig); err != nil {
// for a pull it is not an error if no auth was given
// to increase compatibility with the existing api it is defaulting to be empty
authConfig = &types.AuthConfig{}
}
}
err = s.backend.PullImage(ctx, image, tag, platform, metaHeaders, authConfig, output)
} else { //import
src := r.Form.Get("fromSrc")
// 'err' MUST NOT be defined within this block, we need any error
// generated from the download to be available to the output
// stream processing below
os := ""
if platform != nil {
os = platform.OS
}
err = s.backend.ImportImage(src, repo, os, tag, message, r.Body, output, r.Form["changes"])
}
if err != nil {
if !output.Flushed() {