func showVerifyPack(inPack io.ReadSeeker, inIdx io.ReadSeeker) {
indices, err := go4git.GetAllPackedIndex(inIdx)
if err != nil {
panic(err)
}
sort.Sort(go4git.ByOffset(indices))
cnt := len(indices)
chainLength := make(map[int]int)
o, err := go4git.ReadPackedObjectAtOffset(int64(indices[0].Offset), inPack, inIdx)
if err != nil {
panic(err)
}
chainLength[o.RefLevel]++
for i := 0; i < cnt-1; i++ {
next, _ := go4git.ReadPackedObjectAtOffset(int64(indices[i+1].Offset), inPack, inIdx)
if err != nil {
panic(err)
}
chainLength[next.RefLevel]++
str := fmt.Sprintf("%s %s %d %d %d", go4git.Byte2String(o.Hash), o.ActualType, o.Size, next.StartOffset-o.StartOffset, o.StartOffset)
if o.Type == go4git.REF_DELTA || o.Type == go4git.OFS_DELTA {
str += fmt.Sprintf(" %d %s", o.RefLevel, go4git.Byte2String(o.BaseHash))
}
fmt.Printf("%s\n", str)
if go4git.Byte2String(o.Hash) != go4git.Byte2String(indices[i].Hash) {
panic(fmt.Sprintf("Hash do not match for index %d offset %d in %s: Expected: %s, Computed: %s",
i,
indices[i].Offset,
fileName,
go4git.Byte2String(indices[i].Hash),
go4git.Byte2String(o.Hash),
))
}
o = next
if i == cnt-2 {
end, _ := inPack.Seek(0, os.SEEK_END)
end -= 20
str := fmt.Sprintf("%s %s\t%d %d %d", go4git.Byte2String(next.Hash), next.ActualType, next.Size, end-next.StartOffset, next.StartOffset)
if o.Type == go4git.REF_DELTA || o.Type == go4git.OFS_DELTA {
str += fmt.Sprintf(" %d %s", o.RefLevel, go4git.Byte2String(o.BaseHash))
}
fmt.Printf("%s\n", str)
}
}
if cnt == 1 {
end, _ := inPack.Seek(0, os.SEEK_END)
end -= 20
str := fmt.Sprintf("%s %s\t%d %d %d", go4git.Byte2String(o.Hash), o.ActualType, o.Size, end-o.StartOffset, o.StartOffset)
if o.Type == go4git.REF_DELTA || o.Type == go4git.OFS_DELTA {
str += fmt.Sprintf(" %d %s", o.RefLevel, go4git.Byte2String(o.BaseHash))
}
fmt.Printf("%s\n", str)
}
showStats(chainLength)
}
func main() {
flag.Parse()
f, err := go4git.GetArgInputFile()
if err != nil {
panic(err)
}
packFile := f.Name()
fileName = packFile
idxName := packFile[:len(packFile)-4] + "idx"
inIdx, err := os.Open(idxName)
if err != nil {
panic(err)
}
if *offset != -1 {
p, err := go4git.ReadPackedObjectAtOffset(*offset, f, inIdx)
if err != nil {
panic(err)
}
if *header {
fmt.Printf("Details of Object at offset [%d] \n", *offset)
fmt.Printf(" Type: %s\n", p.Type)
fmt.Printf(" HashOfRef: %s\n", go4git.Byte2String(p.HashOfRef))
fmt.Printf(" RefOffset: %d\n", p.RefOffset)
fmt.Printf(" Size: %d\n", p.Size)
fmt.Printf(" StartOffset: %d\n", p.StartOffset)
fmt.Printf(" ActualType: %s\n", p.ActualType)
fmt.Printf(" Hash: %s\n", go4git.Byte2String(p.Hash))
fmt.Printf(" RefLevel: %d\n", p.RefLevel)
fmt.Printf(" BaseHash: %s\n", go4git.Byte2String(p.BaseHash))
if *data {
fmt.Printf(" ---Data(starts below):---\n")
}
}
if *data {
fmt.Printf("%s", p.Data)
}
return
}
if *verifyPack {
showVerifyPack(f, inIdx)
fmt.Printf("%s: ok\n", packFile)
return
}
}