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Diffstat (limited to 'vendor/github.com/gobuffalo/packr/builder/box.go')
-rw-r--r--vendor/github.com/gobuffalo/packr/builder/box.go76
1 files changed, 76 insertions, 0 deletions
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
+}