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Merge pull request #659 from restic/device-freebsd
fs.DeviceID(): Return errors whehn fi is nil
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commit
149c01a86a
@ -359,7 +359,7 @@ func runBackup(opts BackupOptions, gopts GlobalOptions, args []string) error {
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return false
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}
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if !opts.ExcludeOtherFS {
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if !opts.ExcludeOtherFS || fi == nil {
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return true
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}
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@ -12,10 +12,19 @@ import (
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// DeviceID extracts the device ID from an os.FileInfo object by casting it
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// to syscall.Stat_t
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func DeviceID(fi os.FileInfo) (deviceID uint64, err error) {
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if fi == nil {
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return 0, errors.New("unable to determine device: fi is nil")
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}
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if fi.Sys() == nil {
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return 0, errors.New("unable to determine device: fi.Sys() is nil")
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}
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if st, ok := fi.Sys().(*syscall.Stat_t); ok {
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// st.Dev is uint32 on Darwin and uint64 on Linux. Just cast
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// everything to uint64.
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return uint64(st.Dev), nil
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}
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return 0, errors.New("Could not cast to syscall.Stat_t")
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}
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