have dev.sh deps download NERD font automatically

bypy/devenv.go

@@ -21,10 +21,12 @@ import (
 
 const (
 	folder                     = "dependencies"
+	fonts_folder               = "fonts"
 	macos_prefix               = "/Users/Shared/kitty-build/sw/sw"
 	macos_python               = "python/Python.framework/Versions/Current/bin/python3"
 	macos_python_framework     = "python/Python.framework/Versions/Current/Python"
 	macos_python_framework_exe = "python/Python.framework/Versions/Current/Resources/Python.app/Contents/MacOS/Python"
+	NERD_URL                   = "https://github.com/ryanoasis/nerd-fonts/releases/latest/download/NerdFontsSymbolsOnly.tar.xz"
 )
 
 func root_dir() string {
@@ -35,6 +37,14 @@ func root_dir() string {
 	return f
 }
 
+func fonts_dir() string {
+	f, e := filepath.Abs(fonts_folder)
+	if e != nil {
+		exit(e)
+	}
+	return f
+}
+
 var _ = fmt.Print
 
 func exit(x any) {
@@ -325,6 +335,19 @@ func dependencies(args []string) {
 	}); err != nil {
 		exit(err)
 	}
+	tarfile, _ = filepath.Abs(cached_download(NERD_URL))
+	root = fonts_dir()
+	if err := os.MkdirAll(root, 0o755); err != nil {
+		exit(err)
+	}
+	cmd = exec.Command("tar", "xf", tarfile, "SymbolsNerdFontMono-Regular.ttf")
+	cmd.Dir = root
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	if err = cmd.Run(); err != nil {
+		exit(err)
+	}
+
 	fmt.Println(`Dependencies downloaded. Now build kitty with: ./dev.sh build`)
 }