-y/--yes flag for non-interactive mode (fixes #46)

Also makes Modrinth auto-accept search results with only 1 result, to be
consistent with CurseForge.

cmd/root.go

@@ -58,7 +58,7 @@ func init() {
 	defaultCacheDir, err := core.GetPackwizCache()
 	cacheUsage := "The directory where packwiz will cache downloaded mods"
 	if err == nil {
-		cacheUsage += "(default \""+defaultCacheDir+"\")"
+		cacheUsage += "(default \"" + defaultCacheDir + "\")"
 	}
 	rootCmd.PersistentFlags().String("cache", defaultCacheDir, cacheUsage)
 	_ = viper.BindPFlag("cache.directory", rootCmd.PersistentFlags().Lookup("cache"))
@@ -70,6 +70,10 @@ func init() {
 	}
 	file = filepath.Join(file, ".packwiz.toml")
 	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "The config file to use (default \""+file+"\")")
+
+	var nonInteractive bool
+	rootCmd.PersistentFlags().BoolVarP(&nonInteractive, "yes", "y", false, "Accept all prompts with the default or \"yes\" option (non-interactive mode) - may pick unwanted options in search results")
+	_ = viper.BindPFlag("non-interactive", rootCmd.PersistentFlags().Lookup("yes"))
 }
 
 // initConfig reads in config file and ENV variables if set.

cmd/update.go

@@ -1,14 +1,12 @@
 package cmd
 
 import (
-	"bufio"
 	"fmt"
-	"github.com/spf13/viper"
+	"github.com/packwiz/packwiz/cmdshared"
-	"os"
-	"strings"
-
 	"github.com/packwiz/packwiz/core"
 	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"os"
 )
 
 // updateCmd represents the update command
@@ -101,15 +99,7 @@ var updateCmd = &cobra.Command{
 				return
 			}
 
-			fmt.Print("Do you want to update? [Y/n]: ")
+			if !cmdshared.PromptYesNo("Do you want to update? [Y/n]: ") {
-			answer, err := bufio.NewReader(os.Stdin).ReadString('\n')
-			if err != nil {
-				fmt.Println(err)
-				os.Exit(1)
-			}
-
-			ansNormal := strings.ToLower(strings.TrimSpace(answer))
-			if len(ansNormal) > 0 && ansNormal[0] == 'n' {
 				fmt.Println("Cancelled!")
 				return
 			}

cmdshared/prompt.go

@@ -0,0 +1,28 @@
+package cmdshared
+
+import (
+	"bufio"
+	"fmt"
+	"github.com/spf13/viper"
+	"os"
+	"strings"
+)
+
+func PromptYesNo(prompt string) bool {
+	fmt.Print(prompt)
+	if viper.GetBool("non-interactive") {
+		fmt.Println("Y (non-interactive mode)")
+		return true
+	}
+	answer, err := bufio.NewReader(os.Stdin).ReadString('\n')
+	if err != nil {
+		fmt.Printf("Failed to prompt user: %v\n", err)
+		os.Exit(1)
+	}
+
+	ansNormal := strings.ToLower(strings.TrimSpace(answer))
+	if len(ansNormal) > 0 && ansNormal[0] == 'n' {
+		return false
+	}
+	return true
+}

curseforge/install.go

@@ -1,9 +1,9 @@
 package curseforge
 
 import (
-	"bufio"
 	"errors"
 	"fmt"
+	"github.com/packwiz/packwiz/cmdshared"
 	"github.com/sahilm/fuzzy"
 	"github.com/spf13/viper"
 	"golang.org/x/exp/slices"
@@ -212,15 +212,7 @@ var installCmd = &cobra.Command{
 						fmt.Println(v.Name)
 					}
 
-					fmt.Print("Would you like to add them? [Y/n]: ")
+					if cmdshared.PromptYesNo("Would you like to add them? [Y/n]: ") {
-					answer, err := bufio.NewReader(os.Stdin).ReadString('\n')
-					if err != nil {
-						fmt.Println(err)
-						os.Exit(1)
-					}
-
-					ansNormal := strings.ToLower(strings.TrimSpace(answer))
-					if !(len(ansNormal) > 0 && ansNormal[0] == 'n') {
 						for _, v := range depsInstallable {
 							err = createModFile(v.modInfo, v.fileInfo, &index, false)
 							if err != nil {
@@ -361,6 +353,13 @@ func searchCurseforgeInternal(searchTerm string, isSlug bool, game string, categ
 		// Fuzzy search on results list
 		fuzzySearchResults := fuzzy.FindFrom(searchTerm, modResultsList(results))
 
+		if viper.GetBool("non-interactive") {
+			if len(fuzzySearchResults) > 0 {
+				return false, results[fuzzySearchResults[0].Index]
+			}
+			return false, results[0]
+		}
+
 		menu := wmenu.NewMenu("Choose a number:")
 
 		menu.Option("Cancel", nil, false, nil)

modrinth/install.go

@@ -1,10 +1,10 @@
 package modrinth
 
 import (
-	"bufio"
 	modrinthApi "codeberg.org/jmansfield/go-modrinth/modrinth"
 	"errors"
 	"fmt"
+	"github.com/packwiz/packwiz/cmdshared"
 	"github.com/spf13/viper"
 	"golang.org/x/exp/slices"
 	"os"
@@ -116,6 +116,20 @@ func installViaSearch(query string, pack core.Pack, index *core.Index) error {
 		return err
 	}
 
+	if len(results) == 0 {
+		return errors.New("no results found")
+	}
+
+	if viper.GetBool("non-interactive") || len(results) == 1 {
+		//Install the first mod
+		mod, err := mrDefaultClient.Projects.Get(*results[0].ProjectID)
+		if err != nil {
+			return err
+		}
+
+		return installMod(mod, pack, index)
+	}
+
 	//Create menu for the user to choose the correct mod
 	menu := wmenu.NewMenu("Choose a number:")
 	menu.Option("Cancel", nil, false, nil)
@@ -289,17 +303,9 @@ func installVersion(mod *modrinthApi.Project, version *modrinthApi.Version, pack
 					fmt.Println(*v.projectInfo.Title)
 				}
 
-				// TODO: --yes argument
+				if cmdshared.PromptYesNo("Would you like to add them? [Y/n]: ") {
-				fmt.Print("Would you like to add them? [Y/n]: ")
-				answer, err := bufio.NewReader(os.Stdin).ReadString('\n')
-				if err != nil {
-					return err
-				}
-
-				ansNormal := strings.ToLower(strings.TrimSpace(answer))
-				if !(len(ansNormal) > 0 && ansNormal[0] == 'n') {
 					for _, v := range depMetadata {
-						err = createFileMeta(v.projectInfo, v.versionInfo, v.fileInfo, index)
+						err := createFileMeta(v.projectInfo, v.versionInfo, v.fileInfo, index)
 						if err != nil {
 							return err
 						}