mirror of
https://github.com/octoleo/restic.git
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66 lines
1.2 KiB
Go
66 lines
1.2 KiB
Go
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package fstestutil
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import (
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"flag"
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"log"
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"strconv"
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"bazil.org/fuse"
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)
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type flagDebug bool
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var debug flagDebug
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var _ = flag.Value(&debug)
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func (f *flagDebug) IsBoolFlag() bool {
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return true
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}
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func nop(msg interface{}) {}
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func (f *flagDebug) Set(s string) error {
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v, err := strconv.ParseBool(s)
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if err != nil {
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return err
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}
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*f = flagDebug(v)
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if v {
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fuse.Debug = logMsg
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} else {
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fuse.Debug = nop
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}
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return nil
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}
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func (f *flagDebug) String() string {
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return strconv.FormatBool(bool(*f))
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}
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func logMsg(msg interface{}) {
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log.Printf("FUSE: %s\n", msg)
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}
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func init() {
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flag.Var(&debug, "fuse.debug", "log FUSE processing details")
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}
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// DebugByDefault changes the default of the `-fuse.debug` flag to
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// true.
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//
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// This package registers a command line flag `-fuse.debug` and when
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// run with that flag (and activated inside the tests), logs FUSE
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// debug messages.
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//
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// This is disabled by default, as most callers probably won't care
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// about FUSE details. Use DebugByDefault for tests where you'd
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// normally be passing `-fuse.debug` all the time anyway.
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//
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// Call from an init function.
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func DebugByDefault() {
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f := flag.Lookup("fuse.debug")
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f.DefValue = "true"
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f.Value.Set(f.DefValue)
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}
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