Use api.IsErrNotFound instead of checking for errors directly

pkg/secrethub/account_key.go

@@ -49,7 +49,7 @@ func (s accountKeyService) Create(verifier credentials.Verifier, encrypter crede
 // Exists returns whether an account key exists for the client's credential.
 func (s accountKeyService) Exists() (bool, error) {
 	_, err := s.client.getAccountKey()
-	if err == api.ErrAccountKeyNotFound || err == api.ErrCredentialNotKeyed {
+	if api.IsErrNotFound(err) {
 		return false, nil
 	}
 	if err != nil {

pkg/secrethub/acl.go

@@ -183,7 +183,7 @@ func (s accessRuleService) Set(path string, permission string, accountName strin
 	_, err = s.Get(path, accountName)
 	if err != nil && err != api.ErrAccessRuleNotFound {
 		return nil, errio.Error(err)
-	} else if err == api.ErrAccessRuleNotFound {
+	} else if api.IsErrNotFound(err) {
 		return s.create(p, perm, an)
 	}
 	return s.update(p, perm, an)

pkg/secrethub/dir.go

@@ -161,7 +161,7 @@ func (s dirService) Create(path string) (*api.Dir, error) {
 // Exists returns whether a directory where you have access to exists at a given path.
 func (s dirService) Exists(path string) (bool, error) {
 	_, err := s.GetTree(path, 0, false)
-	if err == api.ErrDirNotFound || err == api.ErrRepoNotFound {
+	if api.IsErrNotFound(err) {
 		return false, nil
 	} else if err != nil {
 		return false, err

pkg/secrethub/repo_user.go

@@ -41,7 +41,7 @@ func (s repoUserService) Invite(path string, username string) (*api.RepoMember,
 	}
 
 	account, err := s.client.httpClient.GetAccount(accountName)
-	if err == api.ErrAccountNotFound {
+	if api.IsErrNotFound(err) {
 		// return a more context specific error
 		return nil, api.ErrUserNotFound
 	} else if err != nil {

pkg/secrethub/secret.go

@@ -95,7 +95,7 @@ func (s secretService) Exists(path string) (bool, error) {
 	}
 
 	_, err = s.client.httpClient.GetSecret(blindName)
-	if err == api.ErrSecretNotFound {
+	if api.IsErrNotFound(err) {
 		return false, nil
 	} else if err != nil {
 		return false, err