do run run

apply.go

@@ -11,6 +11,7 @@ import (
 // for layering of pkging.Pkger implementations.
 func Apply(pkg pkging.Pkger, err error) error {
 	if err != nil {
+		panic(err)
 		return err
 	}
 	gil.Lock()

apply_debug.go

@@ -1,26 +0,0 @@
-// +build debug
-
-package pkger
-
-import (
-	"os"
-
-	"github.com/markbates/pkger/pkging"
-	"github.com/markbates/pkger/pkging/pkgutil"
-)
-
-// Apply will wrap the current implementation
-// of pkger.Pkger with the new pkg. This allows
-// for layering of pkging.Pkger implementations.
-func Apply(pkg pkging.Pkger, err error) error {
-	gil.Lock()
-	defer gil.Unlock()
-	if err != nil {
-		return err
-	}
-	if err := pkgutil.Dump(os.Stdout, pkg); err != nil {
-		return err
-	}
-	current = pkging.Wrap(current, pkg)
-	return nil
-}

pkging/embed/embed.go

@@ -4,17 +4,59 @@ import (
 	"bytes"
 	"compress/gzip"
 	"encoding/hex"
-	"encoding/json"
+	"io"
 
 	"github.com/markbates/pkger/here"
+	"github.com/markbates/pkger/internal/takeon/github.com/markbates/hepa"
+	"github.com/markbates/pkger/internal/takeon/github.com/markbates/hepa/filters"
 )
 
-type Embedder interface {
+func Decode(src []byte) ([]byte, error) {
-	MarshalEmbed() ([]byte, error)
+	dst := make([]byte, hex.DecodedLen(len(src)))
+	_, err := hex.Decode(dst, src)
+	if err != nil {
+		return nil, err
 	}
 
-type Unembedder interface {
+	r, err := gzip.NewReader(bytes.NewReader(dst))
-	UnmarshalEmbed([]byte) error
+	if err != nil {
+		return nil, err
+	}
+
+	bb := &bytes.Buffer{}
+	if _, err := io.Copy(bb, r); err != nil {
+		return nil, err
+	}
+	return bb.Bytes(), nil
+}
+
+func Encode(b []byte) ([]byte, error) {
+	bb := &bytes.Buffer{}
+	gz := gzip.NewWriter(bb)
+
+	if _, err := gz.Write(b); err != nil {
+		return nil, err
+	}
+
+	if err := gz.Flush(); err != nil {
+		return nil, err
+	}
+
+	if err := gz.Close(); err != nil {
+		return nil, err
+	}
+
+	hep := hepa.New()
+	hep = hepa.With(hep, filters.Home())
+	hep = hepa.With(hep, filters.Golang())
+
+	b, err := hep.Filter(bb.Bytes())
+	if err != nil {
+		return nil, err
+	}
+
+	s := hex.EncodeToString(b)
+	return []byte(s), nil
 }
 
 type Data struct {
@@ -22,37 +64,3 @@ type Data struct {
 	Files map[string]File      `json:"files"`
 	Here  here.Info            `json:"here"`
 }
-
-func (d *Data) MarshalEmbed() ([]byte, error) {
-	bb := &bytes.Buffer{}
-	gz := gzip.NewWriter(bb)
-	defer gz.Close()
-	if err := json.NewEncoder(gz).Encode(d); err != nil {
-		return nil, err
-	}
-	if err := gz.Close(); err != nil {
-		return nil, err
-	}
-	s := hex.EncodeToString(bb.Bytes())
-	return []byte(s), nil
-}
-
-func (d *Data) UnmarshalEmbed(in []byte) error {
-	b := make([]byte, len(in))
-	if _, err := hex.Decode(b, in); err != nil {
-		return err
-	}
-
-	gz, err := gzip.NewReader(bytes.NewReader(b))
-	if err != nil {
-		return err
-	}
-	defer gz.Close()
-
-	p := &Data{}
-	if err := json.NewDecoder(gz).Decode(p); err != nil {
-		return err
-	}
-	(*d) = *p
-	return nil
-}

pkging/embed/embed_test.go

@@ -0,0 +1,22 @@
+package embed
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func Test_Encoding(t *testing.T) {
+	r := require.New(t)
+
+	in := []byte("hi\n")
+
+	enc, err := Encode(in)
+	r.NoError(err)
+
+	r.NotEqual(in, enc)
+
+	dec, err := Decode(enc)
+	r.NoError(err)
+	r.Equal(in, dec)
+}

pkging/mem/embed.go

@@ -1,60 +1,91 @@
 package mem
 
 import (
-	"bytes"
-	"compress/gzip"
-	"encoding/hex"
 	"encoding/json"
+
+	"github.com/markbates/pkger/here"
+	"github.com/markbates/pkger/internal/maps"
+	"github.com/markbates/pkger/pkging"
+	"github.com/markbates/pkger/pkging/embed"
 )
 
-func (pkg *Pkger) MarshalEmbed() ([]byte, error) {
+// MarshalJSON creates a fully re-hydratable JSON representation of *Pkger
-	bb := &bytes.Buffer{}
+func (p *Pkger) MarshalJSON() ([]byte, error) {
-	gz := gzip.NewWriter(bb)
+	files := map[string]embed.File{}
-	defer gz.Close()
+
-	if err := json.NewEncoder(gz).Encode(pkg); err != nil {
+	p.files.Range(func(key here.Path, file pkging.File) bool {
-		return nil, err
+		f, ok := file.(*File)
+		if !ok {
+			return true
 		}
-	if err := gz.Close(); err != nil {
+		ef := embed.File{
-		return nil, err
+			Info:   f.info,
+			Here:   f.Here,
+			Path:   f.path,
+			Parent: f.parent,
+			Data:   f.data,
 		}
-	s := hex.EncodeToString(bb.Bytes())
+		files[key.String()] = ef
-	return []byte(s), nil
+		return true
+	})
+
+	infos := map[string]here.Info{}
+	p.infos.Range(func(key string, info here.Info) bool {
+		infos[key] = info
+		return true
+	})
+	ed := embed.Data{
+		Infos: infos,
+		Files: files,
+		Here:  p.Here,
+	}
+	return json.Marshal(ed)
 }
 
-func (pkg *Pkger) UnmarshalEmbed(in []byte) error {
+// UnmarshalJSON re-hydrates the *Pkger
-	b := make([]byte, len(in))
+func (p *Pkger) UnmarshalJSON(b []byte) error {
-	if _, err := hex.Decode(b, in); err != nil {
+	y := &embed.Data{
+		Infos: map[string]here.Info{},
+		Files: map[string]embed.File{},
+	}
+
+	if err := json.Unmarshal(b, &y); err != nil {
 		return err
 	}
 
-	gz, err := gzip.NewReader(bytes.NewReader(b))
+	p.Here = y.Here
+	p.infos = &maps.Infos{}
+	for k, v := range y.Infos {
+		p.infos.Store(k, v)
+	}
+
+	p.files = &maps.Files{}
+	for k, v := range y.Files {
+		pt, err := p.Parse(k)
 		if err != nil {
 			return err
 		}
-	defer gz.Close()
 
-	p := &Pkger{}
+		f := &File{
-	if err := json.NewDecoder(gz).Decode(p); err != nil {
+			Here:   v.Here,
-		return err
+			info:   v.Info,
+			path:   v.Path,
+			data:   v.Data,
+			parent: v.Parent,
+		}
+		p.files.Store(pt, f)
 	}
-	(*pkg) = *p
 	return nil
 }
 
 func UnmarshalEmbed(in []byte) (*Pkger, error) {
-	b := make([]byte, len(in))
+	b, err := embed.Decode(in)
-	if _, err := hex.Decode(b, in); err != nil {
-		return nil, err
-	}
-
-	gz, err := gzip.NewReader(bytes.NewReader(b))
 	if err != nil {
 		return nil, err
 	}
-	defer gz.Close()
 
 	p := &Pkger{}
-	if err := json.NewDecoder(gz).Decode(p); err != nil {
+	if err := json.Unmarshal(b, p); err != nil {
 		return nil, err
 	}
 	return p, nil

pkging/mem/mem.go

@@ -1,7 +1,6 @@
 package mem
 
 import (
-	"encoding/json"
 	"fmt"
 	"os"
 	"path"
@@ -12,7 +11,6 @@ import (
 	"github.com/markbates/pkger/here"
 	"github.com/markbates/pkger/internal/maps"
 	"github.com/markbates/pkger/pkging"
-	"github.com/markbates/pkger/pkging/embed"
 )
 
 var _ pkging.Pkger = &Pkger{}
@@ -34,75 +32,6 @@ type Pkger struct {
 	files *maps.Files
 }
 
-// MarshalJSON creates a fully re-hydratable JSON representation of *Pkger
-func (p *Pkger) MarshalJSON() ([]byte, error) {
-	files := map[string]embed.File{}
-
-	p.files.Range(func(key here.Path, file pkging.File) bool {
-		f, ok := file.(*File)
-		if !ok {
-			return true
-		}
-		ef := embed.File{
-			Info:   f.info,
-			Here:   f.Here,
-			Path:   f.path,
-			Parent: f.parent,
-			Data:   f.data,
-		}
-		files[key.String()] = ef
-		return true
-	})
-
-	infos := map[string]here.Info{}
-	p.infos.Range(func(key string, info here.Info) bool {
-		infos[key] = info
-		return true
-	})
-	ed := embed.Data{
-		Infos: infos,
-		Files: files,
-		Here:  p.Here,
-	}
-	return json.Marshal(ed)
-}
-
-// UnmarshalJSON re-hydrates the *Pkger
-func (p *Pkger) UnmarshalJSON(b []byte) error {
-	y := &embed.Data{
-		Infos: map[string]here.Info{},
-		Files: map[string]embed.File{},
-	}
-
-	if err := json.Unmarshal(b, &y); err != nil {
-		return err
-	}
-
-	p.Here = y.Here
-	p.infos = &maps.Infos{}
-	for k, v := range y.Infos {
-		p.infos.Store(k, v)
-	}
-
-	p.files = &maps.Files{}
-	for k, v := range y.Files {
-		pt, err := p.Parse(k)
-		if err != nil {
-			return err
-		}
-
-		f := &File{
-			Here:   v.Here,
-			info:   v.Info,
-			path:   v.Path,
-			data:   v.Data,
-			parent: v.Parent,
-		}
-		p.files.Store(pt, f)
-	}
-	return nil
-}
-
 // Abs returns an absolute representation of path. If the path is not absolute it will be joined with the current working directory to turn it into an absolute path. The absolute path name for a given file is not guaranteed to be unique. Abs calls Clean on the result.
 func (f *Pkger) Abs(p string) (string, error) {
 	pt, err := f.Parse(p)

pkging/pkgutil/stuff.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/markbates/pkger/here"
 	"github.com/markbates/pkger/parser"
+	"github.com/markbates/pkger/pkging/embed"
 	"github.com/markbates/pkger/pkging/mem"
 )
 
@@ -38,11 +39,18 @@ func Stuff(w io.Writer, c here.Info, decls parser.Decls) error {
 		if err != nil {
 			return err
 		}
-		b, err := pkg.MarshalEmbed()
+	}
+
+	b, err := pkg.MarshalJSON()
 	if err != nil {
 		return err
 	}
-		_, err = w.Write(b)
+
+	b, err = embed.Encode(b)
+	if err != nil {
+		return err
 	}
+
+	_, err = w.Write(b)
 	return nil
 }