feat: add go mod parser, better text

Author: chaindead

Taskfile.yml

@@ -11,5 +11,5 @@ tasks:
   test:
     cmds:
       - go build -tags "fake" -o modup-test .
-#      - defer: rm modup-test
+      - defer: rm modup-test
       - ./modup-test

go.mod

@@ -6,16 +6,17 @@ require (
 	github.com/Masterminds/semver/v3 v3.4.0
 	github.com/charmbracelet/bubbles v0.21.0
 	github.com/charmbracelet/bubbletea v1.3.6
-	github.com/charmbracelet/lipgloss v1.1.1-0.20250404203927-76690c660834
+	github.com/charmbracelet/lipgloss v1.1.1-0.20250818141516-e15c2eb5db1d
 	github.com/spf13/pflag v1.0.7
+	golang.org/x/mod v0.27.0
 )
 
 require (
 	github.com/atotto/clipboard v0.1.4 // indirect
 	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
 	github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc // indirect
 	github.com/charmbracelet/harmonica v0.2.0 // indirect
-	github.com/charmbracelet/x/ansi v0.9.3 // indirect
+	github.com/charmbracelet/x/ansi v0.10.1 // indirect
 	github.com/charmbracelet/x/cellbuf v0.0.13 // indirect
 	github.com/charmbracelet/x/term v0.2.1 // indirect
 	github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect

go.sum

@@ -16,8 +16,12 @@ github.com/charmbracelet/harmonica v0.2.0 h1:8NxJWRWg/bzKqqEaaeFNipOu77YR5t8aSwG
 github.com/charmbracelet/harmonica v0.2.0/go.mod h1:KSri/1RMQOZLbw7AHqgcBycp8pgJnQMYYT8QZRqZ1Ao=
 github.com/charmbracelet/lipgloss v1.1.1-0.20250404203927-76690c660834 h1:ZR7e0ro+SZZiIZD7msJyA+NjkCNNavuiPBLgerbOziE=
 github.com/charmbracelet/lipgloss v1.1.1-0.20250404203927-76690c660834/go.mod h1:aKC/t2arECF6rNOnaKaVU6y4t4ZeHQzqfxedE/VkVhA=
+github.com/charmbracelet/lipgloss v1.1.1-0.20250818141516-e15c2eb5db1d h1:A6IxqmPuiu9VBbF6uQAi4BkAkwfewKMc1Mvpa3ySDBY=
+github.com/charmbracelet/lipgloss v1.1.1-0.20250818141516-e15c2eb5db1d/go.mod h1:wKtJM5mT2ZgzEd7ldSLtl/g3j8yTcxEcxIegHNeNvt4=
 github.com/charmbracelet/x/ansi v0.9.3 h1:BXt5DHS/MKF+LjuK4huWrC6NCvHtexww7dMayh6GXd0=
 github.com/charmbracelet/x/ansi v0.9.3/go.mod h1:3RQDQ6lDnROptfpWuUVIUG64bD2g2BgntdxH0Ya5TeE=
+github.com/charmbracelet/x/ansi v0.10.1 h1:rL3Koar5XvX0pHGfovN03f5cxLbCF2YvLeyz7D2jVDQ=
+github.com/charmbracelet/x/ansi v0.10.1/go.mod h1:3RQDQ6lDnROptfpWuUVIUG64bD2g2BgntdxH0Ya5TeE=
 github.com/charmbracelet/x/cellbuf v0.0.13 h1:/KBBKHuVRbq1lYx5BzEHBAFBP8VcQzJejZ/IA3iR28k=
 github.com/charmbracelet/x/cellbuf v0.0.13/go.mod h1:xe0nKWGd3eJgtqZRaN9RjMtK7xUYchjzPr7q6kcvCCs=
 github.com/charmbracelet/x/exp/golden v0.0.0-20241011142426-46044092ad91 h1:payRxjMjKgx2PaCWLZ4p3ro9y97+TVLZNaRZgJwSVDQ=
@@ -53,6 +57,8 @@ github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavM
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
 golang.org/x/exp v0.0.0-20220909182711-5c715a9e8561 h1:MDc5xs78ZrZr3HMQugiXOAkSZtfTpbJLDr/lwfgO53E=
 golang.org/x/exp v0.0.0-20220909182711-5c715a9e8561/go.mod h1:cyybsKvd6eL0RnXn6p/Grxp8F5bW7iYuBgsNCOHpMYE=
+golang.org/x/mod v0.27.0 h1:kb+q2PyFnEADO2IEF935ehFUXlWiNjJWtRNgBLSfbxQ=
+golang.org/x/mod v0.27.0/go.mod h1:rWI627Fq0DEoudcK+MBkNkCe0EetEaDSwJJkCcjpazc=
 golang.org/x/sync v0.15.0 h1:KWH3jNZsfyT6xfAfKiz6MRNmd46ByHDYaZ7KSkCtdW8=
 golang.org/x/sync v0.15.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
 golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

internal/deps/deps.go

@@ -7,6 +7,7 @@ import (
 	"strings"
 
 	"github.com/Masterminds/semver/v3"
+	"golang.org/x/mod/modfile"
 )
 
 // Module describes a Go module upgrade candidate
@@ -31,25 +32,53 @@ type goListModule struct {
 	} `json:"Update"`
 }
 
-// ListAllModulePaths returns all module paths in the current context
+// ListAllModulePaths returns all direct (non-indirect) module paths declared in go.mod
 func ListAllModulePaths() ([]string, error) {
-	cmd := exec.Command("go", "list", "-m", "-f", "{{.Path}}", "all")
-	cmd.Env = append(os.Environ(), "GOWORK=off")
-	out, err := cmd.Output()
+	gomodPath, err := getGoModPath()
+	if err != nil {
+		return nil, err
+	}
+
+	data, err := os.ReadFile(gomodPath)
+	if err != nil {
+		return nil, err
+	}
+
+	f, err := modfile.Parse(gomodPath, data, nil)
 	if err != nil {
 		return nil, err
 	}
-	lines := strings.Split(strings.TrimSpace(string(out)), "\n")
-	var paths []string
-	for _, l := range lines {
-		l = strings.TrimSpace(l)
-		if l != "" {
-			paths = append(paths, l)
+
+	paths := make([]string, 0, len(f.Require))
+	seen := make(map[string]struct{})
+	for _, req := range f.Require {
+		if req == nil || req.Mod.Path == "" || req.Indirect {
+			continue
+		}
+		if _, ok := seen[req.Mod.Path]; ok {
+			continue
 		}
+		paths = append(paths, req.Mod.Path)
+		seen[req.Mod.Path] = struct{}{}
 	}
+
 	return paths, nil
 }
 
+func getGoModPath() (string, error) {
+	cmd := exec.Command("go", "env", "GOMOD")
+	cmd.Env = append(os.Environ(), "GOWORK=off")
+	out, err := cmd.Output()
+	if err != nil {
+		return "", err
+	}
+	path := strings.TrimSpace(string(out))
+	if path == "" || path == os.DevNull {
+		return "go.mod", nil
+	}
+	return path, nil
+}
+
 func GetModuleInfo(path string) (Module, error) {
 	cmd := exec.Command("go", "list", "-m", "-u", "-json", path)
 	cmd.Env = append(os.Environ(), "GOWORK=off")

internal/tui/model.go

@@ -43,6 +43,7 @@ func NewModel() model {
 		progress.WithoutPercentage(),
 	)
 	s := spinner.New()
+	s.Spinner = spinner.MiniDot
 	s.Style = lipgloss.NewStyle().Foreground(lipgloss.Color("63"))
 	return model{
 		spinner:  s,

internal/tui/update.go

@@ -42,6 +42,12 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 
 	// get pkgs commands
 	case getPackageListMsg:
+		if msg.err != nil {
+			return m, tea.Batch(
+				tea.Println("list used packages:", msg.err),
+				tea.Quit,
+			)
+		}
 		m.packages = createModules(msg.packages)
 
 		cmds := []tea.Cmd{
@@ -74,16 +80,22 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			mark = failMark
 		}
 
-		if m.packages.isFinished() {
+		if !m.packages.isFinished() {
+			progressCmd := m.progress.SetPercent(m.packages.progressFloat())
+			return m, tea.Batch(progressCmd, textPrint("%s %s", mark, pkg), moduleStartedCmd())
+		}
+
+		if len(m.modules) == 0 {
 			return m, tea.Sequence(
-				textPrint("%s %s", mark, pkg),
-				changeModeList(),
+				stepPrint("Everything is up-to-date"),
+				tea.Quit,
 			)
 		}
 
-		progressCmd := m.progress.SetPercent(m.packages.progressFloat())
-
-		return m, tea.Batch(progressCmd, textPrint("%s %s", mark, pkg), moduleStartedCmd())
+		return m, tea.Sequence(
+			textPrint("%s %s", mark, pkg),
+			changeModeList(),
+		)
 
 	case changeModeListMsg:
 		l, items := m.newList()

internal/tui/update_list.go

@@ -109,7 +109,12 @@ func newItemDelegate(keys *listKeyMap) list.DefaultDelegate {
 					item := m.Items()[idx]
 					newItem := listItemSetSelected(item, !listItemSelected(item))
 					setCmd := m.SetItem(idx, newItem)
-					statusCmd := m.NewStatusMessage(statusMessageStyle("Selected " + newItem.(listModuleItem).Module.Path))
+
+					selectWord := "Selected"
+					if listItemSelected(item) {
+						selectWord = "Deselected"
+					}
+					statusCmd := m.NewStatusMessage(statusMessageStyle(selectWord + " " + newItem.(listModuleItem).Module.Path))
 					return tea.Batch(setCmd, statusCmd)
 				}