Update Docker instructions

[rbdr/mobius] / hotline / files.go

diff --git a/hotline/files.go b/hotline/files.go
index 19375e9a831a83cfea1baad80d64b78a9a30ade3..478041ba21066453d8a30a308544f76739f6fb33 100644 (file)
--- a/hotline/files.go
+++ b/hotline/files.go
@@ -2,6 +2,8 @@ package hotline
 
 import (
        "encoding/binary"
 
 import (
        "encoding/binary"

+       "errors"
+       "io/fs"

        "io/ioutil"
        "os"
        "path/filepath"
        "io/ioutil"
        "os"
        "path/filepath"


@@ -54,11 +56,13 @@ func getFileNameList(filePath string) (fields []Field, err error) {
                        copy(fnwi.Creator[:], fileCreator[:])
                }
 
                        copy(fnwi.Creator[:], fileCreator[:])
                }
 

+               strippedName := strings.Replace(file.Name(), ".incomplete", "", -1)
+

                nameSize := make([]byte, 2)
                nameSize := make([]byte, 2)

-               binary.BigEndian.PutUint16(nameSize, uint16(len(file.Name())))
+               binary.BigEndian.PutUint16(nameSize, uint16(len(strippedName)))

                copy(fnwi.NameSize[:], nameSize[:])
 
                copy(fnwi.NameSize[:], nameSize[:])
 

-               fnwi.name = []byte(file.Name())
+               fnwi.name = []byte(strippedName)

 
                b, err := fnwi.MarshalBinary()
                if err != nil {
 
                b, err := fnwi.MarshalBinary()
                if err != nil {


@@ -133,3 +137,21 @@ func EncodeFilePath(filePath string) []byte {
 
        return bytes
 }
 
        return bytes
 }

+
+const incompleteFileSuffix = ".incomplete"
+
+// effectiveFile wraps os.Open to check for the presence of a partial file transfer as a fallback
+func effectiveFile(filePath string) (*os.File, error) {
+       file, err := os.Open(filePath)
+       if err != nil && !errors.Is(err, fs.ErrNotExist) {
+               return nil, err
+       }
+
+       if errors.Is(err, fs.ErrNotExist) {
+               file, err = os.OpenFile(filePath+incompleteFileSuffix, os.O_APPEND|os.O_WRONLY, 0644)
+               if err != nil {
+                       return nil, err
+               }
+       }
+       return file, nil
+}