mirror of https://github.com/octoleo/restic.git
50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
//go:build darwin || freebsd || linux || solaris
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// +build darwin freebsd linux solaris
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package restic
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import (
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"syscall"
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"github.com/restic/restic/internal/errors"
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"github.com/pkg/xattr"
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)
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// Getxattr retrieves extended attribute data associated with path.
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func Getxattr(path, name string) ([]byte, error) {
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b, err := xattr.LGet(path, name)
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return b, handleXattrErr(err)
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}
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// Listxattr retrieves a list of names of extended attributes associated with the
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// given path in the file system.
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func Listxattr(path string) ([]string, error) {
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l, err := xattr.LList(path)
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return l, handleXattrErr(err)
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}
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// Setxattr associates name and data together as an attribute of path.
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func Setxattr(path, name string, data []byte) error {
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return handleXattrErr(xattr.LSet(path, name, data))
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}
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func handleXattrErr(err error) error {
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switch e := err.(type) {
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case nil:
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return nil
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case *xattr.Error:
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// On Linux, xattr calls on files in an SMB/CIFS mount can return
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// ENOATTR instead of ENOTSUP.
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switch e.Err {
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case syscall.ENOTSUP, xattr.ENOATTR:
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return nil
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}
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return errors.WithStack(e)
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default:
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return errors.WithStack(e)
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}
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}
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