ssh/config: add Field to Section

The Field store the unpacked key and value of Section.
Using the Field, we can set store unknown key while inside Section.

2 files changed, 24 insertions, 5 deletions

diff --git a/lib/ssh/config/config_test.go b/lib/ssh/config/config_test.go
index 2169caf1..c832591c 100644
--- a/lib/ssh/config/config_test.go
+++ b/lib/ssh/config/config_test.go
@@ -8,8 +8,9 @@ import (
 	"log"
 	"os"
 	"path/filepath"
-	"reflect"
 	"testing"
+
+	"github.com/shuLhan/share/lib/test"
 )
 
 var (
@@ -77,6 +78,11 @@ func TestConfig_Get(t *testing.T) {
 				filepath.Join(def.homeDir, ".ssh", "notexist"),
 			}
 			def.useDefaultIdentityFile = false
+			def.Field = map[string]string{
+				`hostname`:     `127.0.0.1`,
+				`user`:         `test`,
+				`identityfile`: `~/.ssh/notexist`,
+			}
 			return &def
 		},
 	}, {
@@ -89,6 +95,11 @@ func TestConfig_Get(t *testing.T) {
 				filepath.Join(def.homeDir, ".ssh", "notexist"),
 			}
 			def.useDefaultIdentityFile = false
+			def.Field = map[string]string{
+				`hostname`:     `127.0.0.2`,
+				`user`:         `wildcard`,
+				`identityfile`: `~/.ssh/notexist`,
+			}
 			return &def
 		},
 	}}
@@ -109,9 +120,7 @@ func TestConfig_Get(t *testing.T) {
 		} else if got == nil {
 			continue
 		}
-		if !reflect.DeepEqual(*exp, *got) {
-			t.Fatalf("Config.Get: expecting %v, got %v", exp, got)
-		}
+		test.Assert(t, c.s, *exp, *got)
 	}
 }
 
diff --git a/lib/ssh/config/section.go b/lib/ssh/config/section.go
index b346b47d..13c2ea00 100644
--- a/lib/ssh/config/section.go
+++ b/lib/ssh/config/section.go
@@ -150,6 +150,9 @@ type Section struct {
 	// This field will be set once the Signers has been called.
 	PrivateKeys map[string]any
 
+	// Field store the unpacked key and value of Section.
+	Field map[string]string
+
 	CanonicalizePermittedCNAMEs *PermittedCNAMEs
 
 	AddKeysToAgent       string
@@ -212,6 +215,7 @@ type Section struct {
 func newSection() *Section {
 	return &Section{
 		Environments: map[string]string{},
+		Field:        map[string]string{},
 
 		AddKeysToAgent: valueNo,
 		AddressFamily:  valueAny,
@@ -437,8 +441,14 @@ func (section *Section) set(cfg *Config, key, value string) (err error) {
 		section.UseVisualHostKey, err = parseBool(key, value)
 	case keyXAuthLocation:
 		section.XAuthLocation = value
+	default:
+		// Store the unknown key into Field.
 	}
-	return err
+	if err != nil {
+		return err
+	}
+	section.Field[key] = value
+	return nil
 }
 
 func (section *Section) setAddKeysToAgent(val string) (err error) {