Auto generate full license text and embed

Display the licenses of all dependencies in a context menu suboption

.gitignore

@@ -1,3 +1,4 @@
 bin/
 librnnoise.go
-version.go
+version.go
+licenses.go

LICENSE

@@ -652,7 +652,7 @@ Also add information on how to contact you by electronic and paper mail.
   If the program does terminal interaction, make it output a short
 notice like this when it starts in an interactive mode:
 
-    <program>  Copyright (C) <year>  <name of author>
+    NoiseTorch  Copyright (C) 2020  lawl (github.com/lawl)
     This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
     This is free software, and you are welcome to redistribute it
     under certain conditions; type `show c' for details.

main.go

@@ -17,6 +17,7 @@ import (
 
 //go:generate go run scripts/embedlibrnnoise.go
 //go:generate go run scripts/embedversion.go
+//go:generate go run scripts/embedlicenses.go
 
 type input struct {
 	ID        string

scripts/embedlicenses.go

@@ -0,0 +1,44 @@
+package main
+
+import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func main() {
+	cwd, err := os.Getwd()
+	if err != nil {
+		panic(err)
+	}
+	out, _ := os.Create("licenses.go")
+	out.Write([]byte("package main \n\nvar licenseString=`"))
+	out.WriteString("LICENSES\n")
+	out.WriteString("========\n")
+	defer out.Close()
+	filepath.Walk(cwd, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			panic(err)
+		}
+		if strings.HasPrefix("LICENSE", info.Name()) {
+			rel, err := filepath.Rel(cwd, path)
+			if err != nil {
+				panic(err)
+			}
+			dir := filepath.Dir(rel)
+			out.WriteString("FILES: " + dir + "\n")
+			c, err := ioutil.ReadFile(path)
+			str := string(c)
+			str = strings.ReplaceAll(str, "`", "`"+" + \"`\" + `") // escape backticks in license text for go src
+			if err != nil {
+				panic(err)
+			}
+			out.WriteString(str)
+			out.WriteString("\n\n")
+
+		}
+		return nil
+	})
+	out.Write([]byte("`\n"))
+}

ui.go

@@ -45,7 +45,7 @@ func updatefn(w *nucular.Window, ui *uistate) {
 	}
 
 	w.MenubarBegin()
-	w.WindowStyle().Background = color.RGBA{0, 255, 0, 255}
+
 	w.Row(10).Dynamic(1)
 	if w := w.Menu(label.TA("About", "LC"), 120, nil); w != nil {
 		w.Row(10).Dynamic(1)
@@ -203,7 +203,7 @@ func licenseScreen(w *nucular.Window, ui *uistate) {
 	field := &ui.licenseTextArea
 	field.Flags |= nucular.EditMultiline
 	if len(field.Buffer) < 1 {
-		field.Buffer = []rune("foo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\nfoo\nbar\n")
+		field.Buffer = []rune(licenseString)
 	}
 	field.Edit(w)