Add indentation settings for json_binary

Signed-off-by: Bastien <bastien.wermeille@gmail.com>

README.rst

@@ -1162,8 +1162,8 @@ When operating on stdin, use the ``--input-type`` and ``--output-type`` flags as
 
     $ cat myfile.json | sops --input-type json --output-type json -d /dev/stdin
 
-JSON indentation
-~~~~~~~~~~~~~~~~
+JSON and JSON_binary indentation
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 SOPS indents ``JSON`` files by default using one ``tab``. However, you can change
 this default behaviour to use ``spaces`` by either using the additional ``--indent=2`` CLI option or
@@ -1176,6 +1176,8 @@ The special value ``0`` disables indentation, and ``-1`` uses a single tab.
   stores:
       json:
           indent: 2
+      json_binary:
+          indent: 2
 
 YAML indentation
 ~~~~~~~~~~~~~~~~

config/config.go

@@ -67,11 +67,13 @@ type DotenvStoreConfig struct{}
 
 type INIStoreConfig struct{}
 
-type JSONStoreConfig struct{
+type JSONStoreConfig struct {
 	Indent int `yaml:"indent"`
 }
 
-type JSONBinaryStoreConfig struct{}
+type JSONBinaryStoreConfig struct {
+	Indent int `yaml:"indent"`
+}
 
 type YAMLStoreConfig struct {
 	Indent int `yaml:"indent"`
@@ -149,9 +151,10 @@ type creationRule struct {
 	MACOnlyEncrypted  bool       `yaml:"mac_only_encrypted"`
 }
 
-func NewStoresConfig() *StoresConfig{
-	storesConfig := &StoresConfig{}	
+func NewStoresConfig() *StoresConfig {
+	storesConfig := &StoresConfig{}
 	storesConfig.JSON.Indent = -1
+	storesConfig.JSONBinary.Indent = -1
 	return storesConfig
 }
 

stores/json/store.go

@@ -29,7 +29,9 @@ type BinaryStore struct {
 }
 
 func NewBinaryStore(c *config.JSONBinaryStoreConfig) *BinaryStore {
-	return &BinaryStore{config: *c}
+	return &BinaryStore{config: *c, store: *NewStore(&config.JSONStoreConfig{
+		Indent: c.Indent,
+	})}
 }
 
 // LoadEncryptedFile loads an encrypted json file onto a sops.Tree object