Remove lookup-plugins flag (#1506)

Co-authored-by: Roland Huß <roland@ro14nd.de>

cmd/kn/main_test.go

@@ -203,11 +203,6 @@ func TestStripFlags(t *testing.T) {
 			[]string{"test", "second"},
 			"",
 		},
-		{
-			[]string{"--lookup-plugins", "bla", "test", "second"},
-			[]string{"bla", "test", "second"},
-			"",
-		},
 		{
 			[]string{"--config-file", "bla", "test", "second"},
 			[]string{"test", "second"},

pkg/kn/config/config.go

@@ -88,13 +88,7 @@ func (c *config) PluginsDir() string {
 
 // LookupPluginsInPath returns true if plugins should be also checked in the pat
 func (c *config) LookupPluginsInPath() bool {
-	if viper.IsSet(deprecatedKeyPluginsLookupInPath) {
-		return viper.GetBool(deprecatedKeyPluginsLookupInPath)
-	} else {
-		// If legacy branch is removed, switch to setting the default to viper
-		// See TODO comment below.
-		return bootstrapDefaults.lookupPluginsInPath
-	}
+	return bootstrapDefaults.lookupPluginsInPath
 }
 
 func (c *config) SinkMappings() []SinkMapping {
@@ -131,10 +125,6 @@ func BootstrapConfig() error {
 	if err != nil {
 		return err
 	}
-	err = viper.BindPFlag(deprecatedKeyPluginsLookupInPath, bootstrapFlagSet.Lookup(flagPluginsLookupInPath))
-	if err != nil {
-		return err
-	}
 
 	viper.SetConfigFile(GlobalConfig.ConfigFile())
 	configFile := GlobalConfig.ConfigFile()
@@ -159,7 +149,6 @@ func BootstrapConfig() error {
 	// TODO: Re-enable when legacy handling for plugin config has been removed
 	// For now default handling is happening directly in the getter of GlobalConfig
 	// viper.SetDefault(keyPluginsDirectory, bootstrapDefaults.pluginsDir)
-	// viper.SetDefault(deprecatedKeyPluginsLookupInPath, bootstrapDefaults.lookupPluginsInPath)
 
 	// If a config file is found, read it in.
 	err = viper.ReadInConfig()
@@ -182,10 +171,8 @@ func BootstrapConfig() error {
 func AddBootstrapFlags(flags *flag.FlagSet) {
 	flags.StringVar(&globalConfig.configFile, "config", "", fmt.Sprintf("kn configuration file (default: %s)", defaultConfigFileForUsageMessage()))
 	flags.String(flagPluginsDir, "", "Directory holding kn plugins")
-	flags.Bool(flagPluginsLookupInPath, false, "Search kn plugins also in $PATH")
 
 	// Let's try that and mark the flags as hidden: (as those configuration is a permanent choice of operation)
-	flags.MarkHidden(flagPluginsLookupInPath)
 	flags.MarkHidden(flagPluginsDir)
 }
 

pkg/kn/config/types.go

@@ -70,10 +70,9 @@ type ChannelTypeMapping struct {
 
 // config Keys for looking up in viper
 const (
-	keyPluginsDirectory              = "plugins.directory"
-	deprecatedKeyPluginsLookupInPath = "plugins.path-lookup"
-	keySinkMappings                  = "eventing.sink-mappings"
-	keyChannelTypeMappings           = "eventing.channel-type-mappings"
+	keyPluginsDirectory    = "plugins.directory"
+	keySinkMappings        = "eventing.sink-mappings"
+	keyChannelTypeMappings = "eventing.channel-type-mappings"
 )
 
 // legacy config keys, deprecated
@@ -85,6 +84,5 @@ const (
 // Global (hidden) flags
 // TODO: Remove me if decided that they are not needed
 const (
-	flagPluginsDir          = "plugins-dir"
-	flagPluginsLookupInPath = "lookup-plugins"
+	flagPluginsDir = "plugins-dir"
 )

test/e2e/plugins_test.go

@@ -122,16 +122,13 @@ func TestPluginWithoutLookup(t *testing.T) {
 	r := test.NewKnRunResultCollector(t, it)
 	defer r.DumpIfFailed()
 
-	knFlags := []string{fmt.Sprintf("--plugins-dir=%s", pc.knPluginsDir), "--lookup-plugins=false"}
+	knFlags := []string{fmt.Sprintf("--plugins-dir=%s", pc.knPluginsDir)}
 
 	t.Log("list plugin in --plugins-dir")
 	listPlugin(r, knFlags, []string{pc.knPluginPath}, []string{})
 
 	t.Log("execute plugin in --plugins-dir")
 	runPlugin(r, knFlags, "helloe2e", []string{"e2e", "test"}, []string{"Hello Knative, I'm a Kn plugin", "I received arguments", "e2e"})
-
-	t.Log("does not list any other plugin in $PATH")
-	listPlugin(r, knFlags, []string{pc.knPluginPath}, []string{pc.knPluginPath2})
 }
 
 func TestPluginInHelpMessage(t *testing.T) {
@@ -159,7 +156,7 @@ func TestPluginWithLookup(t *testing.T) {
 	assert.NilError(t, pc.setup())
 	defer pc.teardown()
 
-	knFlags := []string{fmt.Sprintf("--plugins-dir=%s", pc.knPluginsDir), "--lookup-plugins=true"}
+	knFlags := []string{fmt.Sprintf("--plugins-dir=%s", pc.knPluginsDir)}
 
 	t.Log("list plugin in --plugins-dir")
 	listPlugin(r, knFlags, []string{pc.knPluginPath}, []string{pc.knPluginPath2})
@@ -178,7 +175,7 @@ func TestListPluginInPath(t *testing.T) {
 	defer tearDownWithPath(pc, oldPath)
 
 	t.Log("list plugin in $PATH")
-	knFlags := []string{fmt.Sprintf("--plugins-dir=%s", pc.knPluginsDir), "--lookup-plugins=true"}
+	knFlags := []string{fmt.Sprintf("--plugins-dir=%s", pc.knPluginsDir)}
 	listPlugin(r, knFlags, []string{pc.knPluginPath, pc.knPluginPath2}, []string{})
 
 	r.DumpIfFailed()
@@ -195,7 +192,7 @@ func TestExecutePluginInPath(t *testing.T) {
 	defer tearDownWithPath(pc, oldPath)
 
 	t.Log("execute plugin in $PATH")
-	knFlags := []string{fmt.Sprintf("--plugins-dir=%s", pc.knPluginsDir), "--lookup-plugins=true"}
+	knFlags := []string{fmt.Sprintf("--plugins-dir=%s", pc.knPluginsDir)}
 	runPlugin(r, knFlags, "hello2e2e", []string{}, []string{"Hello Knative, I'm a Kn plugin"})
 }
 
@@ -218,11 +215,6 @@ func TestExecutePluginInPathWithError(t *testing.T) {
 	assert.NilError(t, err)
 	assert.NilError(t, os.Setenv("PATH", fmt.Sprintf("%s%s%s", oldPath, delim, pluginsDir)))
 	defer tearDownWithPath(pc, oldPath)
-
-	out := test.Kn{}.Run("--lookup-plugins=true", "hello3e2e")
-	r.AssertError(out)
-	assert.Check(r.T(), util.ContainsAll(out.Stderr, "Error: exit status 1"))
-	assert.Check(r.T(), util.ContainsNone(out.Stderr, "Run", "kn --help", "usage"))
 }
 
 // Private