new command plugin list

this command shows all currently installed plugins and their verion

cmd/micro/autocomplete.go

@@ -151,7 +151,7 @@ func PluginComplete(complete Completion, input string) (chosen string, suggestio
 }
 
 func PluginCmdComplete(input string) (chosen string, suggestions []string) {
-	for _, cmd := range []string{"install", "remove", "search", "update"} {
+	for _, cmd := range []string{"install", "remove", "search", "update", "list"} {
 		if strings.HasPrefix(cmd, input) {
 			suggestions = append(suggestions, cmd)
 		}

cmd/micro/command.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"bytes"
+	"fmt"
 	"io"
 	"io/ioutil"
 	"os"
@@ -118,6 +119,19 @@ func PluginCmd(args []string) {
 			}
 		case "update":
 			UpdatePlugins(args[1:])
+		case "list":
+			plugins := GetInstalledVersions(false)
+			messenger.AddLog("----------------")
+			messenger.AddLog("The following plugins are currently installed:\n")
+			for _, p := range plugins {
+				messenger.AddLog(fmt.Sprintf("%s (%s)", p.pack.Name, p.Version))
+			}
+			messenger.AddLog("----------------")
+			if len(plugins) > 0 {
+				if CurView().Type != vtLog {
+					ToggleLog([]string{})
+				}
+			}
 		case "search":
 			plugins := SearchPlugin(args[1:])
 			messenger.Message(len(plugins), " plugins found")

cmd/micro/pluginmanager.go

@@ -261,7 +261,7 @@ func (pp PluginPackage) Match(text string) bool {
 
 // IsInstallable returns true if the package can be installed.
 func (pp PluginPackage) IsInstallable() bool {
-	_, err := GetAllPluginPackages().Resolve(GetInstalledVersions(), PluginDependencies{
+	_, err := GetAllPluginPackages().Resolve(GetInstalledVersions(true), PluginDependencies{
 		&PluginDependency{
 			Name:  pp.Name,
 			Range: semver.Range(func(v semver.Version) bool { return true }),
@@ -310,9 +310,10 @@ func newStaticPluginVersion(name, version string) *PluginVersion {
 
 // GetInstalledVersions returns a list of all currently installed plugins including an entry for
 // micro itself. This can be used to resolve dependencies.
-func GetInstalledVersions() PluginVersions {
-	result := PluginVersions{
-		newStaticPluginVersion(CorePluginName, Version),
+func GetInstalledVersions(withCore bool) PluginVersions {
+	result := PluginVersions{}
+	if withCore {
+		result = append(result, newStaticPluginVersion(CorePluginName, Version))
 	}
 
 	for _, name := range loadedPlugins {
@@ -460,7 +461,7 @@ func (all PluginPackages) Resolve(selectedVersions PluginVersions, open PluginDe
 
 func (versions PluginVersions) install() {
 	anyInstalled := false
-	currentlyInstalled := GetInstalledVersions()
+	currentlyInstalled := GetInstalledVersions(true)
 
 	for _, sel := range versions {
 		if sel.pack.Name != CorePluginName {
@@ -498,7 +499,7 @@ func UninstallPlugin(name string) {
 }
 
 func (pl PluginPackage) Install() {
-	selected, err := GetAllPluginPackages().Resolve(GetInstalledVersions(), PluginDependencies{
+	selected, err := GetAllPluginPackages().Resolve(GetInstalledVersions(true), PluginDependencies{
 		&PluginDependency{
 			Name:  pl.Name,
 			Range: semver.Range(func(v semver.Version) bool { return true }),