Move deprecated client constructors to a separate file

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

client/client.go

@@ -100,14 +100,6 @@ func CheckRedirect(req *http.Request, via []*http.Request) error {
 	return ErrRedirect
 }
 
-// NewEnvClient initializes a new API client based on environment variables.
-// See FromEnv for a list of support environment variables.
-//
-// Deprecated: use NewClientWithOpts(FromEnv)
-func NewEnvClient() (*Client, error) {
-	return NewClientWithOpts(FromEnv)
-}
-
 // NewClientWithOpts initializes a new API client with default values. It takes functors
 // to modify values when creating it, like `NewClientWithOpts(WithVersion(…))`
 // It also initializes the custom http headers to add to each request.
@@ -167,18 +159,6 @@ func defaultHTTPClient(host string) (*http.Client, error) {
 	}, nil
 }
 
-// NewClient initializes a new API client for the given host and API version.
-// It uses the given http client as transport.
-// It also initializes the custom http headers to add to each request.
-//
-// It won't send any version information if the version number is empty. It is
-// highly recommended that you set a version or your client may break if the
-// server is upgraded.
-// Deprecated: use NewClientWithOpts
-func NewClient(host string, version string, client *http.Client, httpHeaders map[string]string) (*Client, error) {
-	return NewClientWithOpts(WithHost(host), WithVersion(version), WithHTTPClient(client), WithHTTPHeaders(httpHeaders))
-}
-
 // Close the transport used by the client
 func (cli *Client) Close() error {
 	if t, ok := cli.client.Transport.(*http.Transport); ok {

client/client_deprecated.go

@@ -0,0 +1,23 @@
+package client
+
+import "net/http"
+
+// NewClient initializes a new API client for the given host and API version.
+// It uses the given http client as transport.
+// It also initializes the custom http headers to add to each request.
+//
+// It won't send any version information if the version number is empty. It is
+// highly recommended that you set a version or your client may break if the
+// server is upgraded.
+// Deprecated: use NewClientWithOpts
+func NewClient(host string, version string, client *http.Client, httpHeaders map[string]string) (*Client, error) {
+	return NewClientWithOpts(WithHost(host), WithVersion(version), WithHTTPClient(client), WithHTTPHeaders(httpHeaders))
+}
+
+// NewEnvClient initializes a new API client based on environment variables.
+// See FromEnv for a list of support environment variables.
+//
+// Deprecated: use NewClientWithOpts(FromEnv)
+func NewEnvClient() (*Client, error) {
+	return NewClientWithOpts(FromEnv)
+}