github/linuxkit
1
0
Fork 0
mirror of https://github.com/linuxkit/linuxkit.git synced 2025-07-21 01:59:07 +00:00
Code Issues Projects Releases Wiki Activity

init: fake supporting hard links slightly differently

Browse Source 
Instead, make a hard link a symlink. This isn't much better, but it allows
some cases (e.g. installing GCC on moby via alpine) to work.

Signed-off-by: Tycho Andersen <tycho@docker.com>
This commit is contained in:
Tycho Andersen 2017-03-29 21:37:15 -06:00
parent 317e48b9dd
commit 3c5040b0f6
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/initrd/initrd.go
View File

@ -19,15 +19,16 @@ type Writer struct {
cw *cpio.Writer cw *cpio.Writer
} }
func typeconv(t byte) int64 { func typeconv(thdr *tar.Header) int64 {
switch t { switch thdr.Typeflag {
case tar.TypeReg: case tar.TypeReg:
return cpio.TYPE_REG return cpio.TYPE_REG
case tar.TypeRegA: case tar.TypeRegA:
return cpio.TYPE_REG return cpio.TYPE_REG
// Currently hard links not supported // Currently hard links not supported very well :)
case tar.TypeLink: case tar.TypeLink:
return cpio.TYPE_REG thdr.Linkname = "/" + thdr.Linkname
return cpio.TYPE_SYMLINK
case tar.TypeSymlink: case tar.TypeSymlink:
return cpio.TYPE_SYMLINK return cpio.TYPE_SYMLINK
case tar.TypeChar: case tar.TypeChar:
@ -54,7 +55,7 @@ func CopyTar(w *Writer, r *tar.Reader) (written int64, err error) {
if err != nil { if err != nil {
return return
} }
tp := typeconv(thdr.Typeflag) tp := typeconv(thdr)
if tp == -1 { if tp == -1 {
return written, errors.New("cannot convert tar file") return written, errors.New("cannot convert tar file")
} }