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Merge pull request #35728 from tonistiigi/vendor-archive

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vendor: update archive/tar
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Sebastiaan van Stijn 2017-12-06 20:50:27 -08:00 • committed by GitHub
commit 72a37709ad
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3 changed files with 18 additions and 14 deletions
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2
vendor.conf
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@ -148,7 +148,7 @@ github.com/opencontainers/selinux b29023b86e4a69d1b46b7e7b4e2b6fda03f0b9cd
# archive/tar
# mkdir -p ./vendor/archive
# git clone git://github.com/tonistiigi/go-1.git ./go
# git --git-dir ./go/.git --work-tree ./go checkout revert-prefix-ignore
# git --git-dir ./go/.git --work-tree ./go checkout revert-prefix-ignore-1.9
# cp -a go/src/archive/tar ./vendor/archive/tar
# rm -rf ./go
# vndr

14
vendor/archive/tar/common.go vendored
View file

@ -158,11 +158,15 @@ func (fi headerFileInfo) Mode() (mode os.FileMode) {
// sysStat, if non-nil, populates h from system-dependent fields of fi.
var sysStat func(fi os.FileInfo, h *Header) error
// Mode constants from the tar spec.
const (
// Mode constants from the USTAR spec:
// See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/pax.html#tag_20_92_13_06
c_ISUID = 04000 // Set uid
c_ISGID = 02000 // Set gid
c_ISVTX = 01000 // Save text (sticky bit)
// Common Unix mode constants; these are not defined in any common tar standard.
// Header.FileInfo understands these, but FileInfoHeader will never produce these.
c_ISDIR = 040000 // Directory
c_ISFIFO = 010000 // FIFO
c_ISREG = 0100000 // Regular file
@ -208,30 +212,24 @@ func FileInfoHeader(fi os.FileInfo, link string) (*Header, error) {
}
switch {
case fm.IsRegular():
h.Mode |= c_ISREG
h.Typeflag = TypeReg
h.Size = fi.Size()
case fi.IsDir():
h.Typeflag = TypeDir
h.Mode |= c_ISDIR
h.Name += "/"
case fm&os.ModeSymlink != 0:
h.Typeflag = TypeSymlink
h.Mode |= c_ISLNK
h.Linkname = link
case fm&os.ModeDevice != 0:
if fm&os.ModeCharDevice != 0 {
h.Mode |= c_ISCHR
h.Typeflag = TypeChar
} else {
h.Mode |= c_ISBLK
h.Typeflag = TypeBlock
}
case fm&os.ModeNamedPipe != 0:
h.Typeflag = TypeFifo
h.Mode |= c_ISFIFO
case fm&os.ModeSocket != 0:
h.Mode |= c_ISSOCK
return nil, fmt.Errorf("archive/tar: sockets not supported")
default:
return nil, fmt.Errorf("archive/tar: unknown file mode %v", fm)
}

10
vendor/archive/tar/writer.go vendored
View file

@ -121,9 +121,15 @@ func (tw *Writer) writeHeader(hdr *Header, allowPax bool) error {
needsPaxHeader := paxKeyword != paxNone && len(s) > len(b) || !isASCII(s)
if needsPaxHeader {
paxHeaders[paxKeyword] = s
return
}
f.formatString(b, s)
// Write string in a best-effort manner to satisfy readers that expect
// the field to be non-empty.
s = toASCII(s)
if len(s) > len(b) {
s = s[:len(b)]
}
f.formatString(b, s) // Should never error
}
var formatNumeric = func(b []byte, x int64, paxKeyword string) {
// Try octal first.