add the GPL headers

argv.go

@@ -26,6 +26,7 @@ type args struct {
 	Verbose     bool      `arg:"--verbose"                     help:"be loud about it"`
 	Recursive   bool      `arg:"--recursive"                   help:"go-clone --recursive"`
 	Test        bool      `arg:"--test"                        help:"test build after everything else"`
+	WITCOM      bool      `arg:"--witcom"                      help:"add the GPL header"`
 	Bash        bool      `arg:"--bash"                        help:"generate bash completion"`
 	BashAuto    []string  `arg:"--auto-complete"               help:"does the actual autocompletion"`
 }

doWITCOM.go

@@ -0,0 +1,101 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"go.wit.com/log"
+)
+
+func doWITCOM() {
+	pwd, err := os.Getwd()
+	if err != nil {
+		return
+	}
+	files, err := scanForGoFiles(pwd)
+	if err != nil {
+		return
+	}
+
+	for _, file := range files {
+		addCommonHeader(file)
+	}
+}
+
+// add a common header for WIT files
+
+func addCommonHeader(filename string) error {
+	// read in the .proto file
+	data, err := os.ReadFile(filename)
+	if err != nil {
+		log.Info("file read failed", filename, err)
+		return err
+	}
+
+	pf, err := os.OpenFile(filename, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
+	defer pf.Close()
+	if err != nil {
+		log.Info("file open error. permissions?", filename, err)
+		return err
+	}
+
+	var start bool = true
+	var found bool
+
+	// drop the old copywrite lines
+	for _, line := range strings.Split(string(data), "\n") {
+		// first line must have WIT.COM
+		if strings.HasPrefix(line, "//") && start {
+			start = false
+			if strings.Contains(line, "WIT.COM") {
+				found = true
+				continue
+			} else {
+				fmt.Fprintln(pf, line)
+			}
+		}
+
+		// dump every other comment
+		if strings.HasPrefix(line, "//") && found {
+			continue
+		} else {
+			fmt.Fprintln(pf, "// Copyright 2017-2025 WIT.COM Inc. All rights reserved.")
+			fmt.Fprintln(pf, "// Use of this source code is governed by the GPL 3.0")
+			fmt.Fprintln(pf, "")
+			fmt.Fprintln(pf, line)
+			found = false
+		}
+		fmt.Fprintln(pf, line)
+	}
+
+	return nil
+}
+
+// look for any .go files. do not enter directories
+func scanForGoFiles(startDir string) ([]string, error) {
+	var files []string
+	err := filepath.Walk(startDir, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		// ignore the start dir
+		if startDir == path {
+			return nil
+		}
+
+		if strings.HasSuffix(path, ".go") {
+			files = append(files, path)
+		}
+
+		// don't go into any directories
+		if info.IsDir() {
+			return filepath.SkipDir
+		}
+		return nil
+	})
+
+	return files, err
+}

main.go

@@ -54,6 +54,11 @@ func main() {
 		}
 	}
 
+	if argv.WITCOM {
+		doWITCOM()
+		okExit("")
+	}
+
 	if argv.Upgrade != nil {
 		doAptUpgrade()
 	}