From e2b4c3882762406fd3da16f5865cfc3e36e048b5 Mon Sep 17 00:00:00 2001
From: Niall Sheridan <nsheridan@gmail.com>
Date: Wed, 1 Aug 2018 00:37:11 +0100
Subject: Migrate from esc to packr for static files

---
 vendor/github.com/gobuffalo/packr/builder/box.go | 76 ++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 vendor/github.com/gobuffalo/packr/builder/box.go

(limited to 'vendor/github.com/gobuffalo/packr/builder/box.go')

diff --git a/vendor/github.com/gobuffalo/packr/builder/box.go b/vendor/github.com/gobuffalo/packr/builder/box.go
new file mode 100644
index 0000000..8490455
--- /dev/null
+++ b/vendor/github.com/gobuffalo/packr/builder/box.go
@@ -0,0 +1,76 @@
+package builder
+
+import (
+	"bytes"
+	"compress/gzip"
+	"encoding/json"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/pkg/errors"
+)
+
+type box struct {
+	Name     string
+	Files    []file
+	compress bool
+}
+
+func (b *box) Walk(root string) error {
+	root, err := filepath.EvalSymlinks(root)
+	if err != nil {
+		return errors.WithStack(err)
+	}
+	if _, err := os.Stat(root); err != nil {
+		// return nil
+		return errors.Errorf("could not find folder for box: %s", root)
+	}
+	return filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
+		if info == nil || info.IsDir() || strings.HasSuffix(info.Name(), "-packr.go") {
+			return nil
+		}
+		name := strings.Replace(path, root+string(os.PathSeparator), "", 1)
+		name = strings.Replace(name, "\\", "/", -1)
+		f := file{
+			Name: name,
+		}
+
+		DebugLog("packing file %s\n", f.Name)
+
+		bb, err := ioutil.ReadFile(path)
+		if err != nil {
+			return errors.WithStack(err)
+		}
+		if b.compress {
+			bb, err = compressFile(bb)
+			if err != nil {
+				return errors.WithStack(err)
+			}
+		}
+		bb, err = json.Marshal(bb)
+		if err != nil {
+			return errors.WithStack(err)
+		}
+		f.Contents = strings.Replace(string(bb), "\"", "\\\"", -1)
+
+		DebugLog("packed file %s\n", f.Name)
+		b.Files = append(b.Files, f)
+		return nil
+	})
+}
+
+func compressFile(bb []byte) ([]byte, error) {
+	var buf bytes.Buffer
+	writer := gzip.NewWriter(&buf)
+	_, err := writer.Write(bb)
+	if err != nil {
+		return bb, errors.WithStack(err)
+	}
+	err = writer.Close()
+	if err != nil {
+		return bb, errors.WithStack(err)
+	}
+	return buf.Bytes(), nil
+}
-- 
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