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Remove use of fillGo18FileTypeBits #1652

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merged 1 commit into from
Jun 29, 2023
Merged

Remove use of fillGo18FileTypeBits #1652

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37 changes: 1 addition & 36 deletions pkg/archive/archive.go
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Original file line number Diff line number Diff line change
Expand Up @@ -131,16 +131,6 @@ const (
OverlayWhiteoutFormat
)

const (
modeISDIR = 0o40000 // Directory
modeISFIFO = 0o10000 // FIFO
modeISREG = 0o100000 // Regular file
modeISLNK = 0o120000 // Symbolic link
modeISBLK = 0o60000 // Block special file
modeISCHR = 0o20000 // Character special file
modeISSOCK = 0o140000 // Socket
)

// IsArchivePath checks if the (possibly compressed) file at the given path
// starts with a tar file header.
func IsArchivePath(path string) bool {
Expand Down Expand Up @@ -358,7 +348,7 @@ func FileInfoHeader(name string, fi os.FileInfo, link string) (*tar.Header, erro
if err != nil {
return nil, err
}
hdr.Mode = fillGo18FileTypeBits(int64(chmodTarEntry(os.FileMode(hdr.Mode))), fi)
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I think hdr.Mode should still be set.

+ hdr.Mode = int64(chmodTarEntry(os.FileMode(hdr.Mode)))

hdr.Mode = int64(chmodTarEntry(os.FileMode(hdr.Mode)))
name, err = canonicalTarName(name, fi.IsDir())
if err != nil {
return nil, fmt.Errorf("tar: cannot canonicalize path: %w", err)
Expand All @@ -370,31 +360,6 @@ func FileInfoHeader(name string, fi os.FileInfo, link string) (*tar.Header, erro
return hdr, nil
}

// fillGo18FileTypeBits fills type bits which have been removed on Go 1.9 archive/tar
// https://github.com/golang/go/commit/66b5a2f
func fillGo18FileTypeBits(mode int64, fi os.FileInfo) int64 {
fm := fi.Mode()
switch {
case fm.IsRegular():
mode |= modeISREG
case fi.IsDir():
mode |= modeISDIR
case fm&os.ModeSymlink != 0:
mode |= modeISLNK
case fm&os.ModeDevice != 0:
if fm&os.ModeCharDevice != 0 {
mode |= modeISCHR
} else {
mode |= modeISBLK
}
case fm&os.ModeNamedPipe != 0:
mode |= modeISFIFO
case fm&os.ModeSocket != 0:
mode |= modeISSOCK
}
return mode
}

// ReadSecurityXattrToTarHeader reads security.capability, security,image
// xattrs from filesystem to a tar header
func ReadSecurityXattrToTarHeader(path string, hdr *tar.Header) error {
Expand Down