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843aebf2c1
Signed-off-by: Jess Frazelle <acidburn@microsoft.com>
20 lines
496 B
Go
20 lines
496 B
Go
package driver
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import (
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"os"
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"golang.org/x/sys/unix"
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)
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// Lchmod changes the mode of a file not following symlinks.
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func (d *driver) Lchmod(path string, mode os.FileMode) error {
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// On Linux, file mode is not supported for symlinks,
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// and fchmodat() does not support AT_SYMLINK_NOFOLLOW,
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// so symlinks need to be skipped entirely.
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if st, err := os.Stat(path); err == nil && st.Mode()&os.ModeSymlink != 0 {
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return nil
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}
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return unix.Fchmodat(unix.AT_FDCWD, path, uint32(mode), 0)
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}
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