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Refactor errVal named parameter for catalog repositories to err

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Signed-off-by: Edgar Lee <edgar.lee@docker.com>
This commit is contained in:
Edgar Lee 2016-07-14 13:28:08 -07:00
parent aeb9a29499
commit 3bfd03cbe6
1 changed files with 8 additions and 8 deletions
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16
registry/storage/catalog.go
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@ -18,19 +18,19 @@ var ErrFinishedWalk = errors.New("finished walk")
// Returns a list, or partial list, of repositories in the registry. // Returns a list, or partial list, of repositories in the registry.
// Because it's a quite expensive operation, it should only be used when building up // Because it's a quite expensive operation, it should only be used when building up
// an initial set of repositories. // an initial set of repositories.
func (reg *registry) Repositories(ctx context.Context, repos []string, last string) (n int, errVal error) { func (reg *registry) Repositories(ctx context.Context, repos []string, last string) (n int, err error) {
var foundRepos []string var foundRepos []string
if len(repos) == 0 { if len(repos) == 0 {
return 0, errors.New("no space in slice") return 0, errors.New("no space in slice")
} }
root, errVal := pathFor(repositoriesRootPathSpec{}) root, err := pathFor(repositoriesRootPathSpec{})
if errVal != nil { if err != nil {
return 0, errVal return 0, err
} }
errVal = Walk(ctx, reg.blobStore.driver, root, func(fileInfo driver.FileInfo) error { err = Walk(ctx, reg.blobStore.driver, root, func(fileInfo driver.FileInfo) error {
filePath := fileInfo.Path() filePath := fileInfo.Path()
// lop the base path off // lop the base path off
@ -58,11 +58,11 @@ func (reg *registry) Repositories(ctx context.Context, repos []string, last stri
n = copy(repos, foundRepos) n = copy(repos, foundRepos)
// Signal that we have no more entries by setting EOF // Signal that we have no more entries by setting EOF
if len(foundRepos) <= len(repos) && (errVal == nil || errVal == ErrSkipDir) { if len(foundRepos) <= len(repos) && (err == nil || err == ErrSkipDir) {
errVal = io.EOF err = io.EOF
} }
return n, errVal return n, err
} }
// Enumerate applies ingester to each repository // Enumerate applies ingester to each repository