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dag: fix git plugin

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License: MIT
Signed-off-by: Łukasz Magiera <magik6k@gmail.com>
This commit is contained in:
Łukasz Magiera
2017-08-09 19:31:42 +02:00
parent 0f234d76ae
commit 7f208ce043
1 changed files with 14 additions and 3 deletions
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17
plugin/plugins/git/git.go
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@ -2,12 +2,15 @@ package git
import (
"compress/zlib"
"fmt"
"io"
"math"
"github.com/ipfs/go-ipfs/core/coredag"
"github.com/ipfs/go-ipfs/plugin"
"gx/ipfs/QmTprEaAA2A9bst5XH7exuyi5KzNMK3SEDNN8rBDnKWcUS/go-cid"
mh "gx/ipfs/QmU9a9NV9RdPNwZQDYd5uKsm6N6LJLSvLbywDDYFbaaC6P/go-multihash"
"gx/ipfs/QmYNyRZJBUYPNrLszFmrBrPJbsBh2vMsefz5gnDpB5M1P6/go-ipld-format"
git "gx/ipfs/Qma7Kuwun7w8SZphjEPDVxvGfetBkqdNGmigDA13sJdLex/go-ipld-git"
)
@ -44,7 +47,15 @@ func (*gitPlugin) RegisterInputEncParsers(iec coredag.InputEncParsers) error {
return nil
}
func parseRawGit(r io.Reader) ([]format.Node, error) {
func parseRawGit(r io.Reader, mhType uint64, mhLen int) ([]format.Node, error) {
if mhType != math.MaxUint64 && mhType != mh.SHA1 {
return nil, fmt.Errorf("unsupported mhType %d", mhType)
}
if mhLen != -1 && mhLen != mh.DefaultLengths[mh.SHA1] {
return nil, fmt.Errorf("invalid mhLen %d", mhType)
}
nd, err := git.ParseObject(r)
if err != nil {
return nil, err
@ -53,12 +64,12 @@ func parseRawGit(r io.Reader) ([]format.Node, error) {
return []format.Node{nd}, nil
}
func parseZlibGit(r io.Reader) ([]format.Node, error) {
func parseZlibGit(r io.Reader, mhType uint64, mhLen int) ([]format.Node, error) {
rc, err := zlib.NewReader(r)
if err != nil {
return nil, err
}
defer rc.Close()
return parseRawGit(rc)
return parseRawGit(rc, mhType, mhLen)
}