that's what i get

cmd/pkger/list.go

@@ -8,7 +8,7 @@ import (
 )
 
 func list(args []string) error {
-	info, err := pkger.Current()
+	info, err := pkger.Stat()
 	if err != nil {
 		return err
 	}

cmd/pkger/pack.go

@@ -12,7 +12,7 @@ import (
 const outName = "pkged.go"
 
 func pack(args []string) error {
-	info, err := pkger.Current()
+	info, err := pkger.Stat()
 	if err != nil {
 		return err
 	}
@@ -41,7 +41,7 @@ func Package(out string, paths []pkger.Path) error {
 		return err
 	}
 
-	c, err := pkger.Current()
+	c, err := pkger.Stat()
 	if err != nil {
 		return err
 	}

current.go

@@ -8,6 +8,6 @@ func Info(p string) (here.Info, error) {
 	return rootIndex.Info(p)
 }
 
-func Current() (here.Info, error) {
-	return rootIndex.Current()
+func Stat() (here.Info, error) {
+	return rootIndex.Stat()
 }

debug.go

@@ -0,0 +1,7 @@
+// +build debug
+
+package pkger
+
+func Debug(format string, a ...interface{}) {
+		fmt.Println("[PKGER] ", fmt.Sprintf(format, a...)
+}

debug_shim.go

@@ -0,0 +1,5 @@
+// +build !debug
+
+package pkger
+
+func Debug(format string, a ...interface{}) {}

file.go

@@ -8,6 +8,7 @@ import (
 	"io/ioutil"
 	"net/http"
 	"os"
+	"path"
 	"time"
 
 	"github.com/gobuffalo/here"
@@ -62,12 +63,8 @@ func (f *File) Close() error {
 }
 
 func (f *File) Read(p []byte) (int, error) {
-	if len(f.data) > 0 && len(f.data) <= len(p) {
-		return copy(p, f.data), io.EOF
-	}
-
-	if len(f.data) > 0 {
-		f.reader = ioutil.NopCloser(bytes.NewReader(f.data))
+	if len(f.data) > 0 && f.reader == nil {
+		f.reader = bytes.NewReader(f.data)
 	}
 
 	if f.reader != nil {
@@ -168,6 +165,7 @@ func (f *File) Open(name string) (http.File, error) {
 		return f, nil
 	}
 
+	pt.Name = path.Join(f.Path().Name, pt.Name)
 	return rootIndex.Open(pt)
 }
 

index.go

@@ -1,7 +1,6 @@
 package pkger
 
 import (
-	"encoding/json"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -10,17 +9,40 @@ import (
 	"time"
 
 	"github.com/gobuffalo/here"
-	"github.com/markbates/hepa"
-	"github.com/markbates/hepa/filters"
 )
 
 type index struct {
-	Files   *filesMap
-	Infos   *infosMap
-	current here.Info
+	Files   *filesMap `json:"files"`
+	Infos   *infosMap `json:"infos"`
+	Paths   *pathsMap `json:"paths"`
+	Current here.Info `json:"current"`
 	once    sync.Once
 }
 
+func (i *index) Parse(p string) (Path, error) {
+	pt, ok := i.Paths.Load(p)
+	if ok {
+		return pt, nil
+	}
+	if len(p) == 0 {
+		return build(p, "", "")
+	}
+
+	res := pathrx.FindAllStringSubmatch(p, -1)
+	if len(res) == 0 {
+		return pt, fmt.Errorf("could not parse %q", p)
+	}
+
+	matches := res[0]
+
+	if len(matches) != 4 {
+		return pt, fmt.Errorf("could not parse %q", p)
+	}
+
+	return build(p, matches[1], matches[3])
+	return rootIndex.Parse(p)
+}
+
 func (i *index) Info(p string) (here.Info, error) {
 	info, ok := i.Infos.Load(p)
 	if ok {
@@ -35,14 +57,14 @@ func (i *index) Info(p string) (here.Info, error) {
 	return info, nil
 }
 
-func (i *index) Current() (here.Info, error) {
+func (i *index) Stat() (here.Info, error) {
 	i.once.Do(func() {
-		i.current, _ = here.Cache("", func(string) (here.Info, error) {
+		i.Current, _ = here.Cache("", func(string) (here.Info, error) {
 			return here.Current()
 		})
 	})
 
-	return i.current, nil
+	return i.Current, nil
 }
 
 func (i *index) Create(pt Path) (*File, error) {
@@ -60,63 +82,67 @@ func (i *index) Create(pt Path) (*File, error) {
 		},
 	}
 
-	i.Files.Store(pt, f)
-	return f, nil
-}
-
-func (i *index) MarshalJSON() ([]byte, error) {
-	m := map[string]interface{}{}
-
-	m["files"] = i.Files
-	m["infos"] = i.Infos
-	m["current"] = i.current
-
-	b, err := json.Marshal(m)
-	if err != nil {
-		return nil, err
+	if i.Files == nil {
+		i.Files = &filesMap{}
 	}
 
-	hep := hepa.New()
-	hep = hepa.With(hep, filters.Golang())
-	hep = hepa.With(hep, filters.Secrets())
-	return hep.Filter(b)
+	i.Files.Store(pt, f)
+	return f, nil
 }
 
-func (i *index) UnmarshalJSON(b []byte) error {
-	m := map[string]json.RawMessage{}
-
-	if err := json.Unmarshal(b, &m); err != nil {
-		return err
-	}
-
-	infos, ok := m["infos"]
-	if !ok {
-		return fmt.Errorf("missing infos")
-	}
-	i.Infos = &infosMap{}
-	if err := json.Unmarshal(infos, i.Infos); err != nil {
-		return err
-	}
-
-	files, ok := m["files"]
-	if !ok {
-		return fmt.Errorf("missing files")
-	}
-
-	i.Files = &filesMap{}
-	if err := json.Unmarshal(files, i.Files); err != nil {
-		return err
-	}
-
-	current, ok := m["current"]
-	if !ok {
-		return fmt.Errorf("missing current")
-	}
-	if err := json.Unmarshal(current, &i.current); err != nil {
-		return err
-	}
-	return nil
-}
+// func (i *index) MarshalJSON() ([]byte, error) {
+// 	m := map[string]interface{}{}
+//
+// 	m["files"] = i.Files
+// 	m["infos"] = i.Infos
+// 	m["current"] = i.Current
+//
+// 	b, err := json.Marshal(m)
+// 	if err != nil {
+// 		return nil, err
+// 	}
+//
+// 	hep := hepa.New()
+// 	hep = hepa.With(hep, filters.Golang())
+// 	hep = hepa.With(hep, filters.Secrets())
+// 	return hep.Filter(b)
+// }
+
+// func (i *index) UnmarshalJSON(b []byte) error {
+// 	m := map[string]json.RawMessage{}
+//
+// 	if err := json.Unmarshal(b, &m); err != nil {
+// 		return err
+// 	}
+//
+// 	infos, ok := m["infos"]
+// 	if !ok {
+// 		return fmt.Errorf("missing infos")
+// 	}
+// 	i.Infos = &infosMap{}
+// 	if err := json.Unmarshal(infos, i.Infos); err != nil {
+// 		return err
+// 	}
+//
+// 	files, ok := m["files"]
+// 	if !ok {
+// 		return fmt.Errorf("missing files")
+// 	}
+//
+// 	i.Files = &filesMap{}
+// 	if err := json.Unmarshal(files, i.Files); err != nil {
+// 		return err
+// 	}
+//
+// 	current, ok := m["current"]
+// 	if !ok {
+// 		return fmt.Errorf("missing current")
+// 	}
+// 	if err := json.Unmarshal(current, &i.Current); err != nil {
+// 		return err
+// 	}
+// 	return nil
+// }
 
 func (i index) Walk(pt Path, wf WalkFunc) error {
 	var err error
@@ -136,7 +162,7 @@ func (i index) Walk(pt Path, wf WalkFunc) error {
 
 	var info here.Info
 	if pt.Pkg == "." {
-		info, err = Current()
+		info, err = Stat()
 		if err != nil {
 			return err
 		}
@@ -207,6 +233,7 @@ func newIndex() *index {
 	return &index{
 		Files: &filesMap{},
 		Infos: &infosMap{},
+		Paths: &pathsMap{},
 	}
 }
 

index_test.go

@@ -77,7 +77,7 @@ func Test_index_JSON(t *testing.T) {
 	fmt.Fprint(f, radio)
 	r.NoError(f.Close())
 
-	c, err := i.Current()
+	c, err := i.Stat()
 	r.NoError(err)
 	r.Equal(curPkg, c.ImportPath)
 
@@ -86,7 +86,7 @@ func Test_index_JSON(t *testing.T) {
 
 	r.Equal(1, len(i.Files.Keys()))
 	r.Equal(1, len(i.Infos.Keys()))
-	r.NotZero(i.current)
+	r.NotZero(i.Current)
 
 	jason, err := json.Marshal(i)
 	r.NoError(err)
@@ -98,7 +98,7 @@ func Test_index_JSON(t *testing.T) {
 
 	r.NotNil(i2.Infos)
 	r.NotNil(i2.Files)
-	r.NotZero(i2.current)
+	r.NotZero(i2.Current)
 	r.Equal(1, len(i2.Files.Keys()))
 	r.Equal(1, len(i2.Infos.Keys()))
 

internal/examples/app/.gitignore

@@ -0,0 +1,2 @@
+example
+app

internal/examples/app/Dockerfile

@@ -0,0 +1,7 @@
+FROM alpine
+
+EXPOSE 3000
+COPY example /bin/
+RUN ls -la
+
+CMD /bin/example

internal/examples/app/Makefile

@@ -0,0 +1,6 @@
+default:
+	cd ../../../cmd/pkger && go install -v .
+	pkger
+	GOOS=linux go build -v -o example
+	docker build -t pkger:example .
+	docker run -p 3000:3000 pkger:example

internal/examples/app/go.sum

@@ -4,6 +4,8 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/gobuffalo/here v0.2.2 h1:AXEK2ApOb4F5cKZ46Ofi8inGWa0qy5ChmJXAK5/IDmo=
 github.com/gobuffalo/here v0.2.2/go.mod h1:2a6G14FaAKOGJMK/5UNa4Og/+iyFS5cq3MnlvFR7YDk=
 github.com/markbates/errx v1.1.0/go.mod h1:PLa46Oex9KNbVDZhKel8v1OT7hD5JZ2eI7AHhA0wswc=
+github.com/markbates/hepa v0.0.0-20190718154049-1d900199db5b h1:ns0oO2sMEoFJMmrbiWzGQO5AR3GgqfYRAos0gz8C0Cw=
+github.com/markbates/hepa v0.0.0-20190718154049-1d900199db5b/go.mod h1:jHlCX3RNqF+epcY1FxjLyDGzr3l9+mNCh3YDDw6BFvY=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=