Allow excluding metadata from built assets

config.go

@@ -127,6 +127,8 @@ type Config struct {
 	// repository.
 	Dev bool
 
+	// When true, size, mode and modtime are not preserved from files
+	NoMetadata bool
 	// When nonzero, use this as mode for all files.
 	Mode uint
 	// When nonzero, use this as unix timestamp for all files.

go-bindata/main.go

@@ -47,6 +47,7 @@ func parseArgs() *bindata.Config {
 	flag.StringVar(&c.Package, "pkg", c.Package, "Package name to use in the generated code.")
 	flag.BoolVar(&c.NoMemCopy, "nomemcopy", c.NoMemCopy, "Use a .rodata hack to get rid of unnecessary memcopies. Refer to the documentation to see what implications this carries.")
 	flag.BoolVar(&c.NoCompress, "nocompress", c.NoCompress, "Assets will *not* be GZIP compressed when this flag is specified.")
+	flag.BoolVar(&c.NoMetadata, "nometadata", c.NoMetadata, "Assets will not preserve size, mode, and modtime info.")
 	flag.UintVar(&c.Mode, "mode", c.Mode, "Optional file mode override for all files.")
 	flag.Int64Var(&c.ModTime, "modtime", c.ModTime, "Optional modification unix timestamp override for all files.")
 	flag.StringVar(&c.Output, "o", c.Output, "Optional name of the output file to be generated.")

release.go

@@ -359,7 +359,12 @@ func asset_release_common(w io.Writer, c *Config, asset *Asset) error {
 
 	mode := uint(fi.Mode())
 	modTime := fi.ModTime().Unix()
-
+	size := fi.Size()
+	if c.NoMetadata {
+		mode = 0
+		modTime = 0
+		size = 0
+	}
 	if c.Mode > 0 {
 		mode = uint(os.ModePerm) & c.Mode
 	}
@@ -377,6 +382,6 @@ func asset_release_common(w io.Writer, c *Config, asset *Asset) error {
 	return a, nil
 }
 
-`, asset.Func, asset.Func, asset.Name, fi.Size(), mode, modTime)
+`, asset.Func, asset.Func, asset.Name, size, mode, modTime)
 	return err
 }