feat(font): specify ttf or otf (default) using --ttf flag

resolves #5996

src/cli/font.go

@@ -11,7 +11,8 @@ import (
 )
 
 var (
-	// fontCmd can work with fonts
+	ttf bool
+
 	fontCmd = &cobra.Command{
 		Use:   "font [install|configure]",
 		Short: "Manage fonts",
@@ -46,7 +47,7 @@ This command is used to install fonts and configure the font in your terminal.
 
 				terminal.Init(env.Shell())
 
-				font.Run(fontName, env)
+				font.Run(fontName, env.Cache(), env.Root(), ttf)
 
 				return
 			case "configure":
@@ -59,5 +60,6 @@ This command is used to install fonts and configure the font in your terminal.
 )
 
 func init() {
+	fontCmd.Flags().BoolVar(&ttf, "ttf", false, "fetch the TTF version of the font")
 	RootCmd.AddCommand(fontCmd)
 }

src/font/cli.go

@@ -10,13 +10,13 @@ import (
 	"github.com/charmbracelet/bubbles/spinner"
 	tea "github.com/charmbracelet/bubbletea"
 	"github.com/charmbracelet/lipgloss"
-	"github.com/jandedobbeleer/oh-my-posh/src/runtime"
+	cache_ "github.com/jandedobbeleer/oh-my-posh/src/cache"
 	"github.com/jandedobbeleer/oh-my-posh/src/terminal"
 )
 
 var (
-	program     *tea.Program
-	environment runtime.Environment
+	program *tea.Program
+	cache   cache_.Cache
 )
 
 const listHeight = 14
@@ -79,6 +79,7 @@ type main struct {
 	spinner  spinner.Model
 	state    state
 	system   bool
+	ttf      bool
 }
 
 func (m *main) buildFontList(nerdFonts []*Asset) {
@@ -120,18 +121,18 @@ func downloadFontZip(location string) {
 	program.Send(zipMsg(zipFile))
 }
 
-func installLocalFontZIP(zipFile string, user bool) {
+func installLocalFontZIP(zipFile string, user, ttf bool) {
 	data, err := os.ReadFile(zipFile)
 	if err != nil {
 		program.Send(errMsg(err))
 		return
 	}
 
-	installFontZIP(data, user)
+	installFontZIP(data, user, ttf)
 }
 
-func installFontZIP(zipFile []byte, user bool) {
-	families, err := InstallZIP(zipFile, user)
+func installFontZIP(zipFile []byte, user, ttf bool) {
+	families, err := InstallZIP(zipFile, user, ttf)
 	if err != nil {
 		program.Send(errMsg(err))
 		return
@@ -159,7 +160,7 @@ func (m *main) Init() tea.Cmd {
 
 	defer func() {
 		if isLocalZipFile() {
-			go installLocalFontZIP(m.font, m.system)
+			go installLocalFontZIP(m.font, m.system, m.ttf)
 			return
 		}
 		go getFontsList()
@@ -239,7 +240,7 @@ func (m *main) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	case zipMsg:
 		m.state = installFont
 		defer func() {
-			go installFontZIP(msg, m.system)
+			go installFontZIP(msg, m.system, m.ttf)
 		}()
 		m.spinner.Spinner = spinner.Dot
 		return m, m.spinner.Tick
@@ -290,7 +291,7 @@ func (m *main) View() string {
 		var builder strings.Builder
 
 		builder.WriteString(fmt.Sprintf("Successfully installed %s 🚀\n\n%s", m.font, terminal.StopProgress()))
-		builder.WriteString("The following font families are now available for configuration:\n")
+		builder.WriteString("The following font families are now available for configuration:\n\n")
 
 		for i, family := range m.families {
 			builder.WriteString(fmt.Sprintf("  • %s", family))
@@ -306,13 +307,14 @@ func (m *main) View() string {
 	return ""
 }
 
-func Run(font string, env runtime.Environment) {
+func Run(font string, ch cache_.Cache, root, ttf bool) {
 	main := &main{
 		font:   font,
-		system: env.Root(),
+		system: root,
+		ttf:    ttf,
 	}
 
-	environment = env
+	cache = ch
 
 	program = tea.NewProgram(main)
 	if _, err := program.Run(); err != nil {

src/font/fonts.go

@@ -10,7 +10,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/jandedobbeleer/oh-my-posh/src/cache"
+	cache_ "github.com/jandedobbeleer/oh-my-posh/src/cache"
 	"github.com/jandedobbeleer/oh-my-posh/src/runtime/http"
 )
 
@@ -50,11 +50,11 @@ func Fonts() ([]*Asset, error) {
 }
 
 func getCachedFontData() ([]*Asset, error) {
-	if environment == nil {
+	if cache == nil {
 		return nil, errors.New("environment not set")
 	}
 
-	list, OK := environment.Cache().Get(cache.FONTLISTCACHE)
+	list, OK := cache.Get(cache_.FONTLISTCACHE)
 	if !OK {
 		return nil, errors.New("cache not found")
 	}
@@ -69,7 +69,7 @@ func getCachedFontData() ([]*Asset, error) {
 }
 
 func setCachedFontData(assets []*Asset) {
-	if environment == nil {
+	if cache == nil {
 		return
 	}
 
@@ -78,7 +78,7 @@ func setCachedFontData(assets []*Asset) {
 		return
 	}
 
-	environment.Cache().Set(cache.FONTLISTCACHE, string(data), cache.ONEDAY)
+	cache.Set(cache_.FONTLISTCACHE, string(data), cache_.ONEDAY)
 }
 
 func CascadiaCode() ([]*Asset, error) {

src/font/install.go

@@ -8,6 +8,7 @@ import (
 	"io"
 	"path"
 	stdruntime "runtime"
+	"slices"
 	"strings"
 
 	"github.com/jandedobbeleer/oh-my-posh/src/runtime"
@@ -20,10 +21,17 @@ func contains[S ~[]E, E comparable](s S, e E) bool {
 			return true
 		}
 	}
+
 	return false
 }
 
-func InstallZIP(data []byte, user bool) ([]string, error) {
+func InstallZIP(data []byte, user, ttf bool) ([]string, error) {
+	// prefer OTF over TTF; otherwise prefer the first font we find
+	extension := ".otf"
+	if ttf {
+		extension = ".ttf"
+	}
+
 	var families []string
 	bytesReader := bytes.NewReader(data)
 
@@ -45,6 +53,7 @@ func InstallZIP(data []byte, user bool) ([]string, error) {
 		if err != nil {
 			return families, err
 		}
+
 		defer rc.Close()
 
 		data, err := io.ReadAll(rc)
@@ -59,13 +68,14 @@ func InstallZIP(data []byte, user bool) ([]string, error) {
 
 		if _, found := fonts[fontData.Name]; !found {
 			fonts[fontData.Name] = fontData
-		} else {
-			// prefer OTF over TTF; otherwise prefer the first font we find
-			first := strings.ToLower(path.Ext(fonts[fontData.Name].FileName))
-			second := strings.ToLower(path.Ext(fontData.FileName))
-			if first != second && second == ".otf" {
-				fonts[fontData.Name] = fontData
-			}
+			continue
+		}
+
+		// respect the user's preference for TTF or OTF
+		first := strings.ToLower(path.Ext(fonts[fontData.Name].FileName))
+		second := strings.ToLower(path.Ext(fontData.FileName))
+		if first != second && second == extension {
+			fonts[fontData.Name] = fontData
 		}
 	}
 
@@ -74,7 +84,7 @@ func InstallZIP(data []byte, user bool) ([]string, error) {
 			return families, err
 		}
 
-		if !contains(families, font.Family) {
+		if found := contains(families, font.Family); !found {
 			families = append(families, font.Family)
 		}
 	}
@@ -84,5 +94,7 @@ func InstallZIP(data []byte, user bool) ([]string, error) {
 		_, _ = cmd.Run("fc-cache", "-f")
 	}
 
+	slices.Sort(families)
+
 	return families, nil
 }

website/docs/installation/fonts.mdx

@@ -46,6 +46,12 @@ This will present a list of Nerd Font libraries, from which you can  select `Mes
 oh-my-posh font install meslo
 ```
 
+By default, Oh My Posh installs the `.otf` version of the font. If you prefer the `.ttf` version, you can specify it with the `--ttf` flag:
+
+```bash
+oh-my-posh font install meslo --ttf
+```
+
 </TabItem>
 <TabItem value="homebrew">