fix shell issue + bugz

go.mod

@@ -5,7 +5,7 @@ go 1.16
 replace (
 	github.com/docker/distribution => github.com/docker/distribution v0.0.0-20191216044856-a8371794149d
 	github.com/docker/docker => github.com/moby/moby v17.12.0-ce-rc1.0.20200618181300-9dc6525e6118+incompatible
-	github.com/gdamore/tcell/v2 => github.com/derailed/tcell/v2 v2.2.1-rc.1
+	github.com/gdamore/tcell/v2 => github.com/derailed/tcell/v2 v2.2.1-rc.6
 )
 
 require (

go.sum

@@ -191,8 +191,8 @@ github.com/denisenkom/go-mssqldb v0.0.0-20191001013358-cfbb681360f0/go.mod h1:xb
 github.com/denverdino/aliyungo v0.0.0-20190125010748-a747050bb1ba/go.mod h1:dV8lFg6daOBZbT6/BDGIz6Y3WFGn8juu6G+CQ6LHtl0=
 github.com/derailed/popeye v0.9.0 h1:0zP4BAzo94RUjrUkzgF962v0zL9B3xyopd7kU7tMxuc=
 github.com/derailed/popeye v0.9.0/go.mod h1:g3hudQlbEEChCA7U44fA+utTM9xQpD4pINUMQaiq5Gs=
-github.com/derailed/tcell/v2 v2.2.1-rc.1 h1:7VaxT1ydvWq5Ys/YASbPRO/02kzwdBOdzMLe2H1/Gds=
-github.com/derailed/tcell/v2 v2.2.1-rc.1/go.mod h1:0qLNzFYW8f0XhbEkwYtmnT8HYs3o4kuMsdkLEUKfAX0=
+github.com/derailed/tcell/v2 v2.2.1-rc.6 h1:4OYLuVMZKuw6j/1dTao2dPhoMAZVsb9uKG65yW749pM=
+github.com/derailed/tcell/v2 v2.2.1-rc.6/go.mod h1:0qLNzFYW8f0XhbEkwYtmnT8HYs3o4kuMsdkLEUKfAX0=
 github.com/derailed/tview v0.6.1 h1:dB+9bO7r6a1Yg1HE+XNJj61hioauJnGBFq2biC5bjAk=
 github.com/derailed/tview v0.6.1/go.mod h1:5Wjopun0Jw3zxOFtafwc/GlrkFJix1hZz1oQetWpnwE=
 github.com/dgrijalva/jwt-go v0.0.0-20170104182250-a601269ab70c/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=

internal/config/config.go

@@ -76,7 +76,6 @@ func (c *Config) Refine(flags *genericclioptions.ConfigFlags, k9sFlags *Flags) e
 	if err != nil {
 		return err
 	}
-
 	if isSet(flags.Context) {
 		c.K9s.CurrentContext = *flags.Context
 	} else {
@@ -91,10 +90,11 @@ func (c *Config) Refine(flags *genericclioptions.ConfigFlags, k9sFlags *Flags) e
 		return fmt.Errorf("The specified context %q does not exists in kubeconfig", c.K9s.CurrentContext)
 	}
 	c.K9s.CurrentCluster = context.Cluster
+	c.K9s.ActivateCluster()
 
 	var ns string
 	var override bool
-	if IsBoolSet(k9sFlags.AllNamespaces) {
+	if k9sFlags != nil && IsBoolSet(k9sFlags.AllNamespaces) {
 		ns, override = client.NamespaceAll, true
 	} else if isSet(flags.Namespace) {
 		ns, override = *flags.Namespace, true
@@ -129,11 +129,19 @@ func (c *Config) CurrentCluster() *Cluster {
 
 // ActiveNamespace returns the active namespace in the current cluster.
 func (c *Config) ActiveNamespace() string {
-	if cl := c.CurrentCluster(); cl != nil {
-		if cl.Namespace != nil {
-			return cl.Namespace.Active
-		}
+	if c.K9s.Clusters == nil {
+		log.Warn().Msgf("No context detected returning default namespace")
+		return "default"
 	}
+	cl := c.CurrentCluster()
+	if cl == nil {
+		cl = NewCluster()
+		c.K9s.Clusters[c.K9s.CurrentCluster] = cl
+	}
+	if cl.Namespace != nil {
+		return cl.Namespace.Active
+	}
+
 	return "default"
 }
 
@@ -197,7 +205,9 @@ func (c *Config) GetConnection() client.Connection {
 // SetConnection set an api server connection.
 func (c *Config) SetConnection(conn client.Connection) {
 	c.client = conn
-	c.client.Config().OverrideNS = c.overrideNS
+	if c.client != nil && c.client.Config() != nil {
+		c.client.Config().OverrideNS = c.overrideNS
+	}
 }
 
 // Load K9s configuration from file

internal/config/config_test.go

@@ -18,20 +18,20 @@ func init() {
 }
 
 func TestConfigRefine(t *testing.T) {
-	cfgFile, ctx, cluster, ns := "testdata/kubeconfig-test.yml", "test", "c1", "ns1"
+	cfgFile, ctx, cluster, ns := "testdata/kubeconfig-test.yml", "test2", "cluster2", "ns2"
 	uu := map[string]struct {
 		flags                       *genericclioptions.ConfigFlags
 		issue                       bool
 		context, cluster, namespace string
 	}{
-		"kubeconfig": {
+		"plain": {
 			flags:     &genericclioptions.ConfigFlags{KubeConfig: &cfgFile},
 			issue:     false,
-			context:   "test",
-			cluster:   "testCluster",
-			namespace: "testNS",
+			context:   "test1",
+			cluster:   "cluster1",
+			namespace: "ns1",
 		},
-		"override": {
+		"overrideNS": {
 			flags: &genericclioptions.ConfigFlags{
 				KubeConfig:  &cfgFile,
 				Context:     &ctx,
@@ -62,8 +62,8 @@ func TestConfigRefine(t *testing.T) {
 			mk := NewMockKubeSettings()
 			m.When(mk.NamespaceNames(namespaces())).ThenReturn([]string{"default"})
 			cfg := config.NewConfig(mk)
-			err := cfg.Refine(u.flags)
 
+			err := cfg.Refine(u.flags, nil)
 			if u.issue {
 				assert.NotNil(t, err)
 			} else {

internal/config/k9s.go

@@ -43,6 +43,13 @@ func NewK9s() *K9s {
 	}
 }
 
+func (k *K9s) ActivateCluster() {
+	if _, ok := k.Clusters[k.CurrentCluster]; ok {
+		return
+	}
+	k.Clusters[k.CurrentCluster] = NewCluster()
+}
+
 // OverrideRefreshRate set the refresh rate manually.
 func (k *K9s) OverrideRefreshRate(r int) {
 	k.manualRefreshRate = r

internal/config/testdata/kubeconfig-test.yml

@@ -1,20 +1,29 @@
 apiVersion: v1
 kind: Config
 clusters:
-- cluster:
-    certificate-authority: /Users/test/ca.crt
-    server: https://1.2.3.4:8443
-  name: testCluster
+  - cluster:
+      certificate-authority: /Users/test/ca.crt
+      server: https://1.2.3.4:8443
+    name: testCluster
 contexts:
-- context:
-    cluster: testCluster
-    user: testUser
-    namespace: testNS
-  name: test
-current-context: test
+  - context:
+      cluster: cluster1
+      user: user1
+      namespace: ns1
+    name: test1
+  - context:
+      cluster: cluster2
+      user: user2
+      namespace: ns2
+    name: test2
+current-context: test1
 preferences: {}
 users:
-- name: testUser
-  user:
-    client-certificate: /Users/test/client.crt
-    client-key: /Users/test/client.key
+  - name: user1
+    user:
+      client-certificate: /Users/test/client.crt
+      client-key: /Users/test/client.key
+  - name: user2
+    user:
+      client-certificate: /Users/test/client.crt
+      client-key: /Users/test/client.key