Update Dependencies (#390)

Co-authored-by: Norwin Roosen <git@nroo.de>
Co-authored-by: Norwin <git@nroo.de>
Reviewed-on: https://gitea.com/gitea/tea/pulls/390
Reviewed-by: 6543 <6543@obermui.de>
Reviewed-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: Norwin <noerw@noreply.gitea.io>
Co-committed-by: Norwin <noerw@noreply.gitea.io>

vendor/github.com/go-git/go-billy/v5/util/util.go

@@ -146,9 +146,8 @@ func nextSuffix() string {
 // to remove the file when no longer needed.
 func TempFile(fs billy.Basic, dir, prefix string) (f billy.File, err error) {
 	// This implementation is based on stdlib ioutil.TempFile.
-
 	if dir == "" {
-		dir = os.TempDir()
+		dir = getTempDir(fs)
 	}
 
 	nconflict := 0
@@ -179,7 +178,7 @@ func TempDir(fs billy.Dir, dir, prefix string) (name string, err error) {
 	// This implementation is based on stdlib ioutil.TempDir
 
 	if dir == "" {
-		dir = os.TempDir()
+		dir = getTempDir(fs.(billy.Basic))
 	}
 
 	nconflict := 0
@@ -207,6 +206,15 @@ func TempDir(fs billy.Dir, dir, prefix string) (name string, err error) {
 	return
 }
 
+func getTempDir(fs billy.Basic) string {
+	ch, ok := fs.(billy.Chroot)
+	if !ok || ch.Root() == "" || ch.Root() == "/" || ch.Root() == string(filepath.Separator) {
+		return os.TempDir()
+	}
+
+	return ".tmp"
+}
+
 type underlying interface {
 	Underlying() billy.Basic
 }
@@ -222,3 +230,53 @@ func getUnderlyingAndPath(fs billy.Basic, path string) (billy.Basic, string) {
 
 	return u.Underlying(), path
 }
+
+// ReadFile reads the named file and returns the contents from the given filesystem.
+// A successful call returns err == nil, not err == EOF.
+// Because ReadFile reads the whole file, it does not treat an EOF from Read
+// as an error to be reported.
+func ReadFile(fs billy.Basic, name string) ([]byte, error) {
+	f, err := fs.Open(name)
+	if err != nil {
+		return nil, err
+	}
+
+	defer f.Close()
+
+	var size int
+	if info, err := fs.Stat(name); err == nil {
+		size64 := info.Size()
+		if int64(int(size64)) == size64 {
+			size = int(size64)
+		}
+	}
+
+	size++ // one byte for final read at EOF
+	// If a file claims a small size, read at least 512 bytes.
+	// In particular, files in Linux's /proc claim size 0 but
+	// then do not work right if read in small pieces,
+	// so an initial read of 1 byte would not work correctly.
+
+	if size < 512 {
+		size = 512
+	}
+
+	data := make([]byte, 0, size)
+	for {
+		if len(data) >= cap(data) {
+			d := append(data[:cap(data)], 0)
+			data = d[:len(data)]
+		}
+
+		n, err := f.Read(data[len(data):cap(data)])
+		data = data[:len(data)+n]
+
+		if err != nil {
+			if err == io.EOF {
+				err = nil
+			}
+
+			return data, err
+		}
+	}
+}