From 0005191d7100697550bc57706f1bb911b8d650ff Mon Sep 17 00:00:00 2001
From: Alexander Neumann <alexander@bumpern.de>
Date: Sun, 21 Jun 2015 17:32:40 +0200
Subject: [PATCH] Remove `dirdiff` and `gentestdata`

---
 cmd/dirdiff/main.go     | 142 ----------------------------------------
 cmd/gentestdata/main.go |  69 -------------------
 2 files changed, 211 deletions(-)
 delete mode 100644 cmd/dirdiff/main.go
 delete mode 100644 cmd/gentestdata/main.go

diff --git a/cmd/dirdiff/main.go b/cmd/dirdiff/main.go
deleted file mode 100644
index 23182f5bf..000000000
--- a/cmd/dirdiff/main.go
+++ /dev/null
@@ -1,142 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-	"path/filepath"
-	"syscall"
-)
-
-type entry struct {
-	path string
-	fi   os.FileInfo
-}
-
-func walk(dir string) <-chan *entry {
-	ch := make(chan *entry, 100)
-
-	go func() {
-		err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
-			if err != nil {
-				fmt.Fprintf(os.Stderr, "error: %v\n", err)
-				return nil
-			}
-
-			name, err := filepath.Rel(dir, path)
-			if err != nil {
-				fmt.Fprintf(os.Stderr, "error: %v\n", err)
-				return nil
-			}
-
-			ch <- &entry{
-				path: name,
-				fi:   info,
-			}
-
-			return nil
-		})
-
-		if err != nil {
-			fmt.Fprintf(os.Stderr, "Walk() error: %v\n", err)
-		}
-
-		close(ch)
-	}()
-
-	// first element is root
-	_ = <-ch
-
-	return ch
-}
-
-func (e *entry) equals(other *entry) bool {
-	if e.path != other.path {
-		fmt.Printf("path does not match\n")
-		return false
-	}
-
-	if e.fi.Mode() != other.fi.Mode() {
-		fmt.Printf("mode does not match\n")
-		return false
-	}
-
-	if e.fi.ModTime() != other.fi.ModTime() {
-		fmt.Printf("%s: ModTime does not match\n", e.path)
-		// TODO: Fix ModTime for symlinks, return false
-		// see http://grokbase.com/t/gg/golang-nuts/154wnph4y8/go-nuts-no-way-to-utimes-a-symlink
-		return true
-	}
-
-	stat, _ := e.fi.Sys().(*syscall.Stat_t)
-	stat2, _ := other.fi.Sys().(*syscall.Stat_t)
-
-	if stat.Uid != stat2.Uid || stat2.Gid != stat2.Gid {
-		return false
-	}
-
-	return true
-}
-
-func main() {
-	if len(os.Args) != 3 {
-		fmt.Fprintf(os.Stderr, "USAGE: %s DIR1 DIR2\n", os.Args[0])
-		os.Exit(1)
-	}
-
-	ch1 := walk(os.Args[1])
-	ch2 := walk(os.Args[2])
-
-	changes := false
-
-	var a, b *entry
-	for {
-		var ok bool
-
-		if ch1 != nil && a == nil {
-			a, ok = <-ch1
-			if !ok {
-				ch1 = nil
-			}
-		}
-
-		if ch2 != nil && b == nil {
-			b, ok = <-ch2
-			if !ok {
-				ch2 = nil
-			}
-		}
-
-		if ch1 == nil && ch2 == nil {
-			break
-		}
-
-		if ch1 == nil {
-			fmt.Printf("+%v\n", b.path)
-			changes = true
-		} else if ch2 == nil {
-			fmt.Printf("-%v\n", a.path)
-			changes = true
-		} else if !a.equals(b) {
-			if a.path < b.path {
-				fmt.Printf("-%v\n", a.path)
-				changes = true
-				a = nil
-				continue
-			} else if a.path > b.path {
-				fmt.Printf("+%v\n", b.path)
-				changes = true
-				b = nil
-				continue
-			} else {
-				fmt.Printf("%%%v\n", a.path)
-				changes = true
-			}
-		}
-
-		a, b = nil, nil
-	}
-
-	if changes {
-		os.Exit(1)
-	}
-}
diff --git a/cmd/gentestdata/main.go b/cmd/gentestdata/main.go
deleted file mode 100644
index c4b3604b3..000000000
--- a/cmd/gentestdata/main.go
+++ /dev/null
@@ -1,69 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"io"
-	"math/rand"
-	"os"
-	"path/filepath"
-)
-
-const (
-	MaxFiles = 23
-	MaxDepth = 3
-)
-
-var urnd *os.File
-
-func init() {
-	f, err := os.Open("/dev/urandom")
-	if err != nil {
-		panic(err)
-	}
-
-	urnd = f
-}
-
-func rndRd(bytes int) io.Reader {
-	return io.LimitReader(urnd, int64(bytes))
-}
-
-func createDir(target string, depth int) {
-	fmt.Printf("createDir %s, depth %d\n", target, depth)
-	err := os.Mkdir(target, 0755)
-	if err != nil && !os.IsExist(err) {
-		panic(err)
-	}
-
-	for i := 0; i < MaxFiles; i++ {
-		if depth == 0 {
-			filename := filepath.Join(target, fmt.Sprintf("file%d", i))
-			fmt.Printf("create file %v\n", filename)
-			f, err := os.Create(filename)
-			if err != nil {
-				panic(err)
-			}
-
-			_, err = io.Copy(f, rndRd(rand.Intn(1024)))
-			if err != nil {
-				panic(err)
-			}
-
-			err = f.Close()
-			if err != nil {
-				panic(err)
-			}
-		} else {
-			createDir(filepath.Join(target, fmt.Sprintf("dir%d", i)), depth-1)
-		}
-	}
-}
-
-func main() {
-	if len(os.Args) != 2 {
-		fmt.Fprintf(os.Stderr, "USAGE: %s TARGETDIR\n", os.Args[0])
-		os.Exit(1)
-	}
-
-	createDir(os.Args[1], MaxDepth)
-}