shed command to unpack miner info dumps #5800
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "bufio" | ||
| "io" | ||
| "os" | ||
| "path/filepath" | ||
| "strings" | ||
|
|
||
| "github.com/mitchellh/go-homedir" | ||
| "github.com/urfave/cli/v2" | ||
| "golang.org/x/xerrors" | ||
| ) | ||
|
|
||
| var minerCmd = &cli.Command{ | ||
| Name: "miner", | ||
| Usage: "miner-related utilities", | ||
| Subcommands: []*cli.Command{ | ||
| minerUnpackInfoCmd, | ||
| }, | ||
| } | ||
|
|
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| var minerUnpackInfoCmd = &cli.Command{ | ||
| Name: "unpack-info", | ||
| Usage: "unpack miner info all dump", | ||
| ArgsUsage: "[allinfo.txt] [dir]", | ||
| Action: func(cctx *cli.Context) error { | ||
| if cctx.Args().Len() != 2 { | ||
| return xerrors.Errorf("expected 2 args") | ||
| } | ||
|
|
||
| src, err := homedir.Expand(cctx.Args().Get(0)) | ||
| if err != nil { | ||
| return xerrors.Errorf("expand src: %w", err) | ||
| } | ||
|
|
||
| f, err := os.Open(src) | ||
| if err != nil { | ||
| return xerrors.Errorf("open file: %w", err) | ||
| } | ||
| defer f.Close() // nolint | ||
|
|
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| dest, err := homedir.Expand(cctx.Args().Get(1)) | ||
| if err != nil { | ||
| return xerrors.Errorf("expand dest: %w", err) | ||
| } | ||
|
|
||
| var outf *os.File | ||
|
|
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| r := bufio.NewReader(f) | ||
| for { | ||
| l, _, err := r.ReadLine() | ||
| if err == io.EOF { | ||
| if outf != nil { | ||
| return outf.Close() | ||
| } | ||
|
There was a problem hiding this comment. Maybe return an explicit "we did nothing" error? |
||
| } | ||
| if err != nil { | ||
| return xerrors.Errorf("read line: %w", err) | ||
| } | ||
| sl := string(l) | ||
|
|
||
| if strings.HasPrefix(sl, "#") { | ||
| if strings.Contains(sl, "..") { | ||
| return xerrors.Errorf("bad name %s", sl) | ||
|
There was a problem hiding this comment. Are we trying to prevent directory traversal? (maybe a comment) |
||
| } | ||
|
|
||
| if strings.HasPrefix(sl, "#: ") { | ||
| if outf != nil { | ||
| if err := outf.Close(); err != nil { | ||
| return xerrors.Errorf("close out file: %w", err) | ||
| } | ||
| } | ||
| p := filepath.Join(dest, sl[len("#: "):]) | ||
| if err := os.MkdirAll(filepath.Dir(p), 0775); err != nil { | ||
| return xerrors.Errorf("mkdir: %w", err) | ||
| } | ||
| outf, err = os.Create(p) | ||
| if err != nil { | ||
| return xerrors.Errorf("create out file: %w", err) | ||
| } | ||
| continue | ||
| } | ||
|
|
||
| if strings.HasPrefix(sl, "##: ") { | ||
| if outf != nil { | ||
| if err := outf.Close(); err != nil { | ||
| return xerrors.Errorf("close out file: %w", err) | ||
| } | ||
| } | ||
| p := filepath.Join(dest, "Per Sector Infos", sl[len("##: "):]) | ||
| if err := os.MkdirAll(filepath.Dir(p), 0775); err != nil { | ||
| return xerrors.Errorf("mkdir: %w", err) | ||
| } | ||
| outf, err = os.Create(p) | ||
| if err != nil { | ||
| return xerrors.Errorf("create out file: %w", err) | ||
| } | ||
| continue | ||
| } | ||
| } | ||
|
|
||
| if outf != nil { | ||
| if _, err := outf.Write(l); err != nil { | ||
| return xerrors.Errorf("write line: %w", err) | ||
| } | ||
| if _, err := outf.Write([]byte("\n")); err != nil { | ||
| return xerrors.Errorf("write line end: %w", err) | ||
| } | ||
|
Comment on lines
+104
to
+109
There was a problem hiding this comment. nit: |
||
| } | ||
| } | ||
| }, | ||
| } | ||
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nit: call
diroutput direcctory(i.e., make it clear that this is the output).