Version set to 0.1.5.

Makefile

@@ -8,7 +8,7 @@ endif
 DESTDIR:=
 PREFIX:=/usr/local
 
-VERSION=0.1.3
+VERSION=0.1.5
 
 FLAGS:=-buildmode=pie -modcacherw -mod=readonly -trimpath
 LDFLAGS:= -ldflags "-s -w -X main.programVersion=${VERSION}"

build/PKGBUILD

@@ -1,6 +1,6 @@
 # Maintainer: Alexander "Arav" Andreev <me@arav.su>
 pkgname=mccl
-pkgver=0.1.3
+pkgver=0.1.5
 pkgrel=1
 pkgdesc="Console Minecraft launcher"
 arch=('i686' 'x86_64' 'arm' 'armv6h' 'armv7h' 'aarch64')

cmd/mccl/commands/install_command.go

@@ -82,8 +82,8 @@ func (ic *InstallCommand) install_vanilla_client() error {
 	}
 	fmt.Printf("Version %s (%s) was chosen.\n", version.Id, version.Type)
 
-	fmt.Print("Retrieving a manifest file... ")
 	manifestPath := path.Join(ic.DestDir, "versions", version.Id, version.Id+".json")
+	fmt.Print("Retrieving ", path.Join("versions", version.Id, version.Id+".json"), "... ")
 	data, err = util.LoadOrDownloadFile(manifestPath, version.Url, version.Sha1, "sha1", -1)
 	if err != nil {
 		return err
@@ -93,21 +93,19 @@ func (ic *InstallCommand) install_vanilla_client() error {
 	if err != nil {
 		return err
 	}
-	fmt.Println("Done")
 
 	if !util.IsFileExist(manifestPath) {
-		fmt.Print("Writing a manifest file to ", manifestPath, " ... ")
 		if err := util.WriteFile(manifestPath, data); err != nil {
 			return err
 		}
 		fmt.Println("Done")
 	} else {
-		fmt.Println(manifestPath, "does exist. Skipping")
+		fmt.Println("does exist. Skipping")
 	}
 
 	clientPath := path.Join(ic.DestDir, "versions", manifst.Id, manifst.Id+".jar")
+	fmt.Print("Retrieving ", path.Join("versions", manifst.Id, manifst.Id+".jar"), "... ")
 	if !util.IsFileExist(clientPath) {
-		fmt.Print("Retrieving and writing a client to ", clientPath, " ... ")
 		data, err = util.LoadOrDownloadFile(clientPath, manifst.Downloads["client"].Url,
 			manifst.Downloads["client"].Sha1, "sha1", manifst.Downloads["client"].Size)
 		if err != nil {
@@ -118,12 +116,11 @@ func (ic *InstallCommand) install_vanilla_client() error {
 		}
 		fmt.Println("Done")
 	} else {
-		fmt.Println(clientPath, "does exist. Skipping")
+		fmt.Println("does exist. Skipping")
 	}
 
-	fmt.Printf("Retrieving an asset index %s.json... ", manifst.AssetIndex.Id)
+	fmt.Print("Retrieving ", path.Join("assets", "indexes", manifst.AssetIndex.Id+".json"), "... ")
 	assetIndexPath := path.Join(ic.DestDir, "assets", "indexes", manifst.AssetIndex.Id+".json")
-
 	data, err = util.LoadOrDownloadFile(assetIndexPath, manifst.AssetIndex.Url,
 		manifst.AssetIndex.Sha1, "sha1", manifst.AssetIndex.Size)
 	if err != nil {
@@ -134,16 +131,14 @@ func (ic *InstallCommand) install_vanilla_client() error {
 	if err != nil {
 		return err
 	}
-	fmt.Println("Done")
 
 	if !util.IsFileExist(assetIndexPath) {
-		fmt.Printf("Writing an asset index %s to %s...", manifst.AssetIndex.Id, assetIndexPath)
 		if err := util.WriteFile(assetIndexPath, data); err != nil {
 			return err
 		}
 		fmt.Println("Done")
 	} else {
-		fmt.Printf("%s does exist. Skip writing\n", assetIndexPath)
+		fmt.Print("does exist. Skip writing")
 	}
 
 	fmt.Print("Retrieving assets...")
@@ -182,8 +177,8 @@ func (ic *InstallCommand) install_vanilla_client() error {
 
 	if manifst.Logging.Client.Argument != "" {
 		logConfPath := path.Join(ic.DestDir, "assets", "log_configs", manifst.Logging.Client.File.Id)
+		fmt.Print("Retrieving ", path.Join("assets", "log_configs", manifst.Logging.Client.File.Id), "... ")
 		if !util.IsFileExist(logConfPath) {
-			fmt.Printf("Retrieving and writing %s...", logConfPath)
 			data, err = util.LoadOrDownloadFile(logConfPath, manifst.Logging.Client.File.Url,
 				manifst.Logging.Client.File.Sha1, "sha1", manifst.Logging.Client.File.Size)
 			if err != nil {

cmd/mccl/commands/list_command.go

@@ -23,7 +23,6 @@ func (lc *ListCommand) Run() error {
 	if err != nil {
 		return err
 	}
-	fmt.Println("There are following versions installed:")
 	for _, entry := range entries {
 		if entry.IsDir() {
 			fmt.Println(entry.Name())

cmd/mccl/commands/run_command.go

@@ -36,23 +36,21 @@ func (rc *RunCommand) Run() error {
 		return err
 	}
 
-	if rc.UseProfile {
-		if util.IsFileExist(path.Join(rc.GameDir, mcclprofile.ProfileFileName)) {
-			p, err := mcclprofile.Load(rc.GameDir)
-			if err != nil {
-				return err
-			}
-			rc.Username = p.Username
-			rc.AuthUuid = p.Uuid
-			rc.JavaXmx = p.JavaXmx
-		} else {
-			p := mcclprofile.Profile{
-				Username: rc.Username,
-				Uuid:     rc.AuthUuid,
-				JavaXmx:  rc.JavaXmx}
-			if err := p.Store(rc.GameDir); err != nil {
-				return err
-			}
+	if util.IsFileExist(path.Join(rc.GameDir, mcclprofile.ProfileFileName)) {
+		p, err := mcclprofile.Load(rc.GameDir)
+		if err != nil {
+			return err
+		}
+		rc.Username = p.Username
+		rc.AuthUuid = p.Uuid
+		rc.JavaXmx = p.JavaXmx
+	} else {
+		p := mcclprofile.Profile{
+			Username: rc.Username,
+			Uuid:     rc.AuthUuid,
+			JavaXmx:  rc.JavaXmx}
+		if err := p.Store(rc.GameDir); err != nil {
+			return err
 		}
 	}
 
@@ -105,7 +103,13 @@ func (rc *RunCommand) run_client() error {
 	p["auth_xuid"] = "null"
 	p["user_type"] = "legacy"
 	p["version_type"] = manifst.Type
-	p["natives_directory"] = path.Join("", "versions", manifst.Id, "natives")
+
+	nativesId := manifst.Id
+	if manifst.InheritsFrom != "" {
+		nativesId = manifst.InheritsFrom
+	}
+	p["natives_directory"] = path.Join("", "versions", nativesId, "natives")
+
 	p["launcher_name"] = "mccl"
 	p["launcher_version"] = "0.1.0"
 	p["classpath"] = manifst.BuildClasspath("", "versions")
@@ -157,8 +161,8 @@ func (rc *RunCommand) run_client() error {
 		}
 	}()
 
-	fmt.Printf("Minecraft version %s is started with username %s and player's UUID %s.\n",
-		manifst.Id, rc.Username, rc.AuthUuid)
+	fmt.Printf("Minecraft version %s is started with %s, username %s and player's UUID %s.\n",
+		manifst.Id, rc.JavaXmx, rc.Username, rc.AuthUuid)
 
 	if err := cmd.Run(); err != nil && (err.Error() != "exec: already started") {
 		return err

cmd/mccl/commands/uninstall_command.go

@@ -0,0 +1,167 @@
+package commands
+
+import (
+	"errors"
+	"fmt"
+	"mccl/internal/assets"
+	"mccl/internal/manifest"
+	"mccl/pkg/util"
+	"os"
+	"path"
+)
+
+type UninstallCommand struct {
+	Id      string
+	GameDir string
+}
+
+func NewUninstallCommand(id, gameDir string) *UninstallCommand {
+	return &UninstallCommand{Id: id, GameDir: gameDir}
+}
+
+func (uc *UninstallCommand) Run() error {
+	if uc.Id == "" {
+		return errors.New("an empty Minecraft version was provided")
+	}
+	if uc.GameDir == "" {
+		return errors.New("an empty path was provided")
+	}
+	return uc.uninstall_client()
+}
+
+func (uc *UninstallCommand) uninstall_client() error {
+	var err error
+
+	if uc.GameDir == "." {
+		execPath, _ := os.Executable()
+		uc.GameDir = path.Dir(execPath)
+	}
+
+	if _, err := os.Stat(uc.GameDir); err != nil {
+		return os.ErrNotExist
+	}
+
+	manifests := make(map[string]*manifest.Manifest)
+
+	entries, err := os.ReadDir(path.Join(uc.GameDir, "versions"))
+	if err != nil {
+		return err
+	}
+	for _, entry := range entries {
+		if entry.IsDir() {
+			data, err := util.ReadFile(path.Join(uc.GameDir, "versions", entry.Name(), entry.Name()+".json"))
+			if err != nil {
+				return err
+			}
+			manifests[entry.Name()], err = manifest.New(data)
+			if err != nil {
+				return err
+			}
+		}
+	}
+
+	for id, manifest := range manifests {
+		if id == uc.Id {
+			continue
+		}
+
+		if manifest.InheritsFrom == uc.Id {
+			return fmt.Errorf("%s inherits %s. Uninstall %s first", id, uc.Id, id)
+		}
+	}
+
+	assetIndexInUse := manifests[uc.Id].InheritsFrom != ""
+	logConfigInUse := manifests[uc.Id].InheritsFrom != ""
+	libsToDelete := make(map[string]string)
+
+	for _, lib := range manifests[uc.Id].Libraries {
+		libsToDelete[lib.Name] = lib.Path()
+	}
+
+	for id, manifest := range manifests {
+		if id == uc.Id {
+			continue
+		}
+
+		if !assetIndexInUse && manifests[uc.Id].Assets == manifest.Assets {
+			assetIndexInUse = true
+		}
+
+		if !logConfigInUse && manifests[uc.Id].Logging.Client.File.Id == manifest.Logging.Client.File.Id {
+			logConfigInUse = true
+		}
+
+		for _, lib := range manifest.Libraries {
+			if name, ok := libsToDelete[lib.Name]; ok {
+				delete(libsToDelete, name)
+			}
+		}
+	}
+
+	if !logConfigInUse {
+		dir := path.Join(uc.GameDir, "assets", "log_configs")
+		if err := os.Remove(path.Join(dir, manifests[uc.Id].Logging.Client.File.Id)); err != nil {
+			return fmt.Errorf("failed to remove assets/log_configs/%s: %s", manifests[uc.Id].Logging.Client.File.Id, err)
+		}
+		if d, err := os.ReadDir(dir); err == nil && len(d) == 0 {
+			if err := os.Remove(path.Join(dir, manifests[uc.Id].Logging.Client.File.Id)); err != nil {
+				return fmt.Errorf("failed to remove assets/log_configs directory: %s", err)
+			}
+		}
+	}
+
+	if !assetIndexInUse {
+		dir := path.Join(uc.GameDir, "assets")
+
+		assetFiles := make(map[string]*assets.Assets)
+
+		for _, manifest := range manifests {
+			if _, ok := assetFiles[manifest.Assets]; !ok {
+				data, err := os.ReadFile(path.Join(dir, "indexes", manifest.Assets+".json"))
+				if err != nil {
+					return fmt.Errorf("failed to read an index %s file: %s", manifest.Assets, err)
+				}
+				assetFiles[manifest.Assets], err = assets.New(data)
+				if err != nil {
+					return fmt.Errorf("failed to load asset index %s: %s", manifest.Assets, err)
+				}
+			}
+		}
+
+		toRemove := []string{}
+
+		for name, obj := range assetFiles[manifests[uc.Id].Assets].Objects {
+			inUse := false
+			for id, idx := range assetFiles {
+				if id == manifests[uc.Id].Assets {
+					continue
+				}
+				if iobj, ok := idx.Objects[name]; ok && iobj.Hash == obj.Hash {
+					inUse = true
+				}
+			}
+
+			if !inUse {
+				toRemove = append(toRemove, obj.Hash)
+			}
+		}
+
+		for _, hash := range toRemove {
+			if err := os.Remove(path.Join(dir, "objects", hash[:2], hash)); err != nil {
+				return fmt.Errorf("failed to remove an object %s/%s: %s", hash[:2], hash, err)
+			}
+		}
+
+		if err := os.Remove(path.Join(dir, "indexes", manifests[uc.Id].Assets+".json")); err != nil {
+			return fmt.Errorf("failed to remove %s: %s", path.Join("assets", "indexes", manifests[uc.Id].Assets+".json"), err)
+		}
+	}
+
+	for _, path := range libsToDelete {
+		if err := os.Remove(path); err != nil {
+			return fmt.Errorf("failed to remove %s: %s", path, err)
+		}
+	}
+
+	return nil
+}

cmd/mccl/main.go

@@ -3,7 +3,6 @@ package main
 import (
 	"fmt"
 	"mccl/cmd/mccl/commands"
-	mcclprofile "mccl/internal/mccl_profile"
 	"os"
 )
 
@@ -71,7 +70,7 @@ func main() {
 }
 
 func version() {
-	fmt.Fprintf(os.Stderr, "mccl ver. %s\nCopyright (c)  2023  Alexander \"Arav\" Andreev <me@arav.su>\n", programVersion)
+	fmt.Fprintf(os.Stderr, "mccl ver. %s\nCopyright (c)  2023,2024  Alexander \"Arav\" Andreev <me@arav.su>\n", programVersion)
 	fmt.Fprintln(os.Stderr, "URL: https://git.arav.su/Arav/mccl")
 	fmt.Fprintln(os.Stderr, "License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.")
 }
@@ -98,11 +97,7 @@ func usage() {
 		"    -U,--uuid UUID\n"+
 		"               player's account UUID (all zeroes by default)\n"+
 		"    --java-Xmx memory\n"+
-		"               java's -Xmx param, e.g. 4G\n"+
-		"    --profile\n"+
-		"               load/save username, UUID, and -Xmx from/to a file.\n"+
-		"               Once saved, you can ommit -u,-U and --java-Xmx,\n"+
-		"               since they will be stored in", mcclprofile.ProfileFileName)
+		"               java's -Xmx param, e.g. 4G")
 }
 
 type arguments struct {
@@ -203,8 +198,6 @@ func parseArguments(args []string) (parsed arguments, err error) {
 			}
 			parsed.JavaXmx = args[i+1]
 			i++
-		case "--profile":
-			parsed.UseProfile = true
 		default:
 			err = fmt.Errorf("an unknown option %s was provided", args[i])
 			return