Fixes #145 by adding interactivity

README.md

@@ -69,13 +69,18 @@ Reload config.
 
 **All DONE!**
 
-### Confirm
+### Quick Usage
+
+Just use command `gobrew` from any dir.
+
+<p align="center">
+  <a href="https://github.com/kevincobain2000/gobrew">
+    <img alt="gobrew command" src="https://imgur.com/X6P3r8L.png">
+  </a>
+</p>
 
-```sh
-gobrew help
-```
 
-### Usage
+### Full Usage
 
 Will install and set Go
 
@@ -333,3 +338,4 @@ alias cd='builtin cd "$@" && ls go.mod 2> /dev/null && gobrew use mod'
 - v1.9.0 - v1.8.6 ~ v1.9.0, updates colors packages, fixes UT issues for Github status codes
 - v1.9.1 - Minor logging fixes
 - v1.9.2 - Minor log message updated
+- v1.9.4 - `gobrew` interactive

cmd/gobrew/main.go

@@ -25,6 +25,8 @@ var allowedArgs = []string{
 	"install",
 	"use",
 	"uninstall",
+	"interactive",
+	"noninteractive",
 	"prune",
 	"version",
 	"self-update",
@@ -42,11 +44,11 @@ func init() {
 	flag.Parse()
 	args = flag.Args()
 	if len(args) == 0 {
-		log.Print(usage())
-		return
+		actionArg = "interactive"
+	} else {
+		actionArg = args[0]
 	}
 
-	actionArg = args[0]
 	if len(args) == 2 {
 		versionArg = args[1]
 		versionArgSlice := strings.Split(versionArg, ".")
@@ -64,6 +66,10 @@ func init() {
 func main() {
 	gb := gobrew.NewGoBrew()
 	switch actionArg {
+	case "interactive", "info":
+		gb.Interactive(true)
+	case "noninteractive":
+		gb.Interactive(false)
 	case "h", "help":
 		log.Print(usage())
 	case "ls", "list":

go.mod

@@ -7,21 +7,23 @@ require (
 	github.com/c4milo/unpackit v1.0.0
 	github.com/gookit/color v1.5.4
 	github.com/schollz/progressbar/v3 v3.13.1
-	gotest.tools v2.2.0+incompatible
+	github.com/stretchr/testify v1.8.4
 )
 
 require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dsnet/compress v0.0.1 // indirect
-	github.com/google/go-cmp v0.5.9 // indirect
 	github.com/klauspost/compress v1.4.1 // indirect
 	github.com/klauspost/cpuid v1.2.0 // indirect
 	github.com/klauspost/pgzip v1.2.5 // indirect
 	github.com/mattn/go-runewidth v0.0.14 // indirect
 	github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db // indirect
 	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
 	github.com/ulikunitz/xz v0.5.10 // indirect
 	github.com/xo/terminfo v0.0.0-20210125001918-ca9a967f8778 // indirect
 	golang.org/x/sys v0.10.0 // indirect
 	golang.org/x/term v0.6.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -10,8 +10,6 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/dsnet/compress v0.0.1 h1:PlZu0n3Tuv04TzpfPbrnI0HW/YwodEXDS+oPKahKF0Q=
 github.com/dsnet/compress v0.0.1/go.mod h1:Aw8dCMJ7RioblQeTqt88akK31OvO8Dhf5JflhBbQEHo=
 github.com/dsnet/golib v0.0.0-20171103203638-1ea166775780/go.mod h1:Lj+Z9rebOhdfkVLjJ8T6VcRQv3SXugXy999NBtR9aFY=
-github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
-github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/gookit/color v1.5.4 h1:FZmqs7XOyGgCAxmWyPslpiok1k05wmY3SJTytgvYFs0=
 github.com/gookit/color v1.5.4/go.mod h1:pZJOeOS8DM43rXbp4AZo1n9zCU2qjpcRko0b6/QJi9w=
 github.com/hooklift/assert v0.1.0 h1:UZzFxx5dSb9aBtvMHTtnPuvFnBvcEhHTPb9+0+jpEjs=
@@ -51,7 +49,7 @@ golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
 golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.6.0 h1:clScbb1cHjoCkyRbWwBEUZ5H/tIFu5TAXIqaZD0Gcjw=
 golang.org/x/term v0.6.0/go.mod h1:m6U89DPEgQRMq3DNkDClhWw02AUbt2daBVO4cn4Hv9U=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gotest.tools v2.2.0+incompatible h1:VsBPFP1AI068pPrMxtb/S8Zkgf9xEmTLJjfM+P5UIEo=
-gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=

gobrew.go

@@ -84,6 +84,107 @@ func NewGoBrewDirectory(homeDir string) GoBrew {
 	return gb
 }
 
+func (gb *GoBrew) Interactive(ask bool) {
+	currentVersion := gb.CurrentVersion()
+	currentMajorVersion := ExtractMajorVersion(currentVersion)
+
+	latestVersion := gb.getLatestVersion()
+	latestMajorVersion := ExtractMajorVersion(latestVersion)
+
+	modVersion := ""
+	if gb.hasModFile() {
+		modVersion = gb.getModVersion()
+	}
+
+	if modVersion == "" {
+		modVersion = "None"
+	}
+
+	fmt.Println()
+
+	if currentVersion == "" {
+		currentVersion = "None"
+		color.Warnln("GO Installed Version", ".......", currentVersion)
+	} else {
+		labels := []string{}
+		if modVersion != "None" && currentMajorVersion != modVersion {
+			labels = append(labels, "not same as go.mod")
+		}
+		if currentVersion != latestVersion {
+			labels = append(labels, "not latest")
+		}
+		label := ""
+		if len(labels) > 0 {
+			label = "(" + strings.Join(labels, ", ") + ")"
+		}
+		if label != "" {
+			label = " " + color.FgRed.Render(label)
+		}
+		color.Successln("GO Installed Version", ".......", currentVersion+label)
+	}
+
+	if modVersion != "None" && latestMajorVersion != modVersion {
+		label := " " + color.FgYellow.Render("(not latest)")
+		color.Successln("GO go.mod Version", "   .......", modVersion+label)
+	} else {
+		color.Successln("GO go.mod Version", "   .......", modVersion)
+	}
+
+	color.Successln("GO Latest Version", "   .......", latestVersion)
+	fmt.Println()
+
+	if currentVersion == "None" {
+		color.Warnln("GO is not installed.")
+		c := true
+		if ask {
+			c = AskForConfirmation("Do you want to use latest GO version (" + latestVersion + ")?")
+		}
+		if c {
+			gb.Install(latestVersion)
+			gb.Use(latestVersion)
+		}
+		return
+	}
+
+	if currentMajorVersion != modVersion {
+		color.Warnf("GO Installed Version (%s) and go.mod Version (%s) are different.\n", currentMajorVersion, modVersion)
+		c := true
+		if ask {
+			c = AskForConfirmation("Do you want to use GO version same as go.mod version (" + modVersion + "@latest)?")
+		}
+		if c {
+			gb.Install(modVersion + "@latest")
+			gb.Use(modVersion + "@latest")
+		}
+		return
+	}
+
+	if currentVersion != latestVersion {
+		color.Warnf("GO Installed Version (%s) and GO Latest Version (%s) are different.\n", currentVersion, latestVersion)
+		c := true
+		if ask {
+			c = AskForConfirmation("Do you want to update GO to latest version (" + latestVersion + ")?")
+		}
+		if c {
+			gb.Install(latestVersion)
+			gb.Use(latestVersion)
+		}
+		return
+	}
+}
+
+func (gb *GoBrew) getLatestVersion() string {
+	getGolangVersions := gb.getGolangVersions()
+	// loop through reverse and ignore beta and rc versions to get latest version
+	for i := len(getGolangVersions) - 1; i >= 0; i-- {
+		r := regexp.MustCompile("beta.*|rc.*")
+		matches := r.FindAllString(getGolangVersions[i], -1)
+		if len(matches) == 0 {
+			return strings.ReplaceAll(getGolangVersions[i], "go", "")
+		}
+	}
+	return ""
+}
 func (gb *GoBrew) getArch() string {
 	return runtime.GOOS + "-" + runtime.GOARCH
 }
@@ -247,7 +348,7 @@ func (gb *GoBrew) getGroupedVersion(versions []string, print bool) map[string][]
 			gb.print("\t", print)
 		} else {
 			if print {
-				color.Infop(lookupKey)
+				color.Successp(lookupKey)
 			}
 			gb.print("\t", print)
 		}
@@ -465,6 +566,18 @@ func (gb *GoBrew) judgeVersion(version string) string {
 	return version
 }
 
+func (gb *GoBrew) hasModFile() bool {
+	modFilePath := filepath.Join("go.mod")
+	_, err := os.Stat(modFilePath)
+	if err == nil {
+		return true
+	}
+	if os.IsNotExist(err) {
+		return false
+	}
+	return false
+}
+
 // read go.mod file and extract version
 // Do not use go to get the version as go list -m -f '{{.GoVersion}}'
 // Because go might not be installed
@@ -514,7 +627,7 @@ func (gb *GoBrew) Version(currentVersion string) {
 
 // Upgrade of GoBrew
 func (gb *GoBrew) Upgrade(currentVersion string) {
-	if "v"+currentVersion == gb.getLatestVersion() {
+	if "v"+currentVersion == gb.getGobrewVersion() {
 		color.Infoln("[INFO] your version is already newest")
 		return
 	}
@@ -638,7 +751,7 @@ func (gb *GoBrew) changeSymblinkGo(version string) {
 	utils.CheckError(os.Symlink(versionGoDir, gb.currentGoDir), "==> [Error]: symbolic link failed")
 }
 
-func (gb *GoBrew) getLatestVersion() string {
+func (gb *GoBrew) getGobrewVersion() string {
 	url := "https://api.github.com/repos/kevincobain2000/gobrew/releases/latest"
 	data := doRequest(url)
 	if len(data) == 0 {

gobrew_test.go

@@ -4,9 +4,10 @@ import (
 	"os"
 	"path/filepath"
 	"runtime"
+	"strings"
 	"testing"
 
-	"gotest.tools/assert"
+	"github.com/stretchr/testify/assert"
 )
 
 func TestNewGobrewHomeDirUsesUserHomeDir(t *testing.T) {
@@ -196,7 +197,7 @@ func TestDoNotUpgradeLatestVersion(t *testing.T) {
 	}
 	binaryFile := filepath.Join(binaryDir, baseName)
 
-	currentVersion := gb.getLatestVersion()
+	currentVersion := gb.getGobrewVersion()
 
 	if currentVersion == "" {
 		t.Skip("could not determine the current version")
@@ -208,3 +209,43 @@ func TestDoNotUpgradeLatestVersion(t *testing.T) {
 		t.Errorf("unexpected upgrade of latest version")
 	}
 }
+
+func TestInteractive(t *testing.T) {
+	tempDir := filepath.Join(os.TempDir(), "gobrew-test-interactive")
+	err := os.MkdirAll(tempDir, os.ModePerm)
+	if err != nil {
+		t.Skip("could not create directory for gobrew update:", err)
+		return
+	}
+
+	defer func() {
+		_ = os.RemoveAll(tempDir)
+	}()
+
+	gb := NewGoBrewDirectory(tempDir)
+	currentVersion := gb.CurrentVersion()
+	latestVersion := gb.getLatestVersion()
+	// modVersion := gb.getModVersion()
+	assert.Equal(t, "", currentVersion)
+	assert.NotEqual(t, currentVersion, latestVersion)
+
+	ask := false
+	gb.Interactive(ask)
+
+	currentVersion = gb.CurrentVersion()
+	// remove string private from currentVersion (for macOS) due to /private/var symlink issue
+	currentVersion = strings.Replace(currentVersion, "private", "", -1)
+	assert.Equal(t, currentVersion, latestVersion)
+
+	gb.Install("1.16.5") // we know, it is not latest
+	gb.Use("1.16.5")
+	currentVersion = gb.CurrentVersion()
+	currentVersion = strings.Replace(currentVersion, "private", "", -1)
+	assert.Equal(t, "1.16.5", currentVersion)
+	assert.NotEqual(t, currentVersion, latestVersion)
+
+	gb.Interactive(ask)
+	currentVersion = gb.CurrentVersion()
+	currentVersion = strings.Replace(currentVersion, "private", "", -1)
+	assert.Equal(t, currentVersion, latestVersion)
+}

helpers.go

@@ -0,0 +1,47 @@
+package gobrew
+
+import (
+	"bufio"
+	"fmt"
+	"log"
+	"os"
+	"strings"
+
+	"github.com/gookit/color"
+)
+
+func ExtractMajorVersion(version string) string {
+	parts := strings.Split(version, ".")
+	if len(parts) < 2 {
+		return ""
+	}
+	// remove rc and beta
+	parts[1] = strings.Split(parts[1], "rc")[0]
+	parts[1] = strings.Split(parts[1], "beta")[0]
+
+	// Take the first two parts and join them back with a period to create the new version.
+	majorVersion := strings.Join(parts[:2], ".")
+	return majorVersion
+}
+
+func AskForConfirmation(s string) bool {
+	reader := bufio.NewReader(os.Stdin)
+
+	for {
+		fmt.Printf("%s ", s)
+		color.Successf("[y/n]: ")
+
+		response, err := reader.ReadString('\n')
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		response = strings.ToLower(strings.TrimSpace(response))
+
+		if response == "y" || response == "yes" {
+			return true
+		} else if response == "" || response == "n" || response == "no" {
+			return false
+		}
+	}
+}