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8f20d5dcd5
Previously, nodeRestoreTimestamps would do something like
if node.Type == restic.NodeTypeSymlink {
return nodeRestoreSymlinkTimestamps(...)
}
return syscall.UtimesNano(...)
where nodeRestoreSymlinkTimestamps was either a no-op or a
reimplementation of syscall.UtimesNano that handles symlinks, with some
repeated converting between timestamp types. The Linux implementation
was a bit clumsy, requiring three syscalls to set the timestamps.
In this new setup, there is a function utimesNano that has three
implementations:
* on Linux, it's a modified syscall.UtimesNano that uses
AT_SYMLINK_NOFOLLOW and AT_FDCWD so it can handle any type in a single
call;
* on other Unix platforms, it just calls the syscall function after
skipping symlinks;
* on Windows, it's the modified UtimesNano that was previously called
nodeRestoreSymlinkTimestamps, except with different arguments.
19 lines
532 B
Go
19 lines
532 B
Go
package fs
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import (
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"io/fs"
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"strings"
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"testing"
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"github.com/restic/restic/internal/errors"
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"github.com/restic/restic/internal/restic"
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rtest "github.com/restic/restic/internal/test"
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)
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func TestRestoreSymlinkTimestampsError(t *testing.T) {
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d := t.TempDir()
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node := restic.Node{Type: restic.NodeTypeSymlink}
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err := nodeRestoreTimestamps(&node, d+"/nosuchfile")
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rtest.Assert(t, errors.Is(err, fs.ErrNotExist), "want ErrNotExist, got %q", err)
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rtest.Assert(t, strings.Contains(err.Error(), d), "filename not in %q", err)
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}
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