71 lines
1.5 KiB
Go
71 lines
1.5 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"log"
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"os"
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"path/filepath"
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"runtime"
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"./base"
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"./cryptomap"
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"./file"
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)
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var (
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flVarBase = flag.String("b", filepath.Join(os.Getenv("HOME"), "var"), "base directory where files are duplicated")
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flCipher = flag.String("c", "sha1", "block cipher to use (sha1, or sha256)")
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flWorkers = flag.Int("w", 2, "workers to do summing")
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)
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func init() {
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// give ourselves a little wiggle room
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if runtime.NumCPU() > 1 && len(os.Getenv("GOMAXPROCS")) == 0 {
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runtime.GOMAXPROCS(2)
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}
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}
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func main() {
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flag.Parse()
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// TODO the *flCipher has not been checked yet, and would cause the directory to get created
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ourbase, err := base.NewBase(*flVarBase, *flCipher)
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if err != nil {
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log.Fatal(err)
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}
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var (
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hash = cryptomap.DetermineHash(*flCipher)
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//infos = []*file.FileHashInfo{}
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//results := make(chan file.FileHashInfo, 2)
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)
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for _, arg := range flag.Args() {
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if m, err := file.SameDevPaths(*flVarBase, arg); err != nil {
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log.Fatal(err)
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} else if !m {
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log.Printf("SKIPPING: %q is not on the same device as %q", arg, *flVarBase)
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continue
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}
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done := make(chan struct{})
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infos := file.HashFileGetter(arg, hash, *flWorkers, done)
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for fi := range infos {
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if fi.Err != nil {
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log.Println(fi.Err)
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done <- struct{}{}
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}
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fmt.Printf("%s %s\n", fi.Hash, fi.Path)
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if ourbase.HasBlob(fi.Hash) {
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// TODO check if they have the same Inode
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// if not, then clobber
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} else {
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// TODO hard link to blobs
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}
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}
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}
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//if len(infos) > 0 {
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//fmt.Println("collected", len(infos), "sums")
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//}
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}
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