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Merge pull request #3143 from rn/symlink-fix

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cmd/pkg: Fix symlink handling in pkg build context
This commit is contained in:
Rolf Neugebauer
2018-07-27 20:23:52 +01:00
committed by GitHub
parent 26ae9a0246 23555494fe
commit deb627e56b
1 changed files with 10 additions and 1 deletions
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11
src/cmd/linuxkit/pkglib/build.go
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@@ -222,7 +222,16 @@ func (c *buildCtx) Copy(w io.WriteCloser) error {
return fmt.Errorf("ctx: Walk error on %s: %v", p, err)
}
h, err := tar.FileInfoHeader(i, "")
var link string
if i.Mode()&os.ModeSymlink != 0 {
var err error
link, err = os.Readlink(p)
if err != nil {
return fmt.Errorf("ctx: Failed to read symlink %s: %v", p, err)
}
}
h, err := tar.FileInfoHeader(i, link)
if err != nil {
return fmt.Errorf("ctx: Converting FileInfo for %s: %v", p, err)
}