formats/packfile: new reader API

1 files changed, 0 insertions, 82 deletions

diff --git a/formats/packfile/packfile.go b/formats/packfile/packfile.go
deleted file mode 100644
index d70f396..0000000
--- a/formats/packfile/packfile.go
+++ /dev/null
@@ -1,82 +0,0 @@
-package packfile
-
-import "fmt"
-
-type Packfile struct {
-	Version     uint32
-	Size        int64
-	ObjectCount int
-	Checksum    []byte
-	Commits     map[Hash]*Commit
-	Trees       map[Hash]*Tree
-	Blobs       map[Hash]*Blob
-}
-
-func NewPackfile() *Packfile {
-	return &Packfile{
-		Commits: make(map[Hash]*Commit, 0),
-		Trees:   make(map[Hash]*Tree, 0),
-		Blobs:   make(map[Hash]*Blob, 0),
-	}
-}
-
-type BlobEntry struct {
-	path string
-	*Blob
-}
-
-type SubtreeEntry struct {
-	path string
-	*Tree
-	TreeCh
-}
-
-type treeEntry interface {
-	isTreeEntry()
-	Path() string
-}
-
-func (b BlobEntry) isTreeEntry()    {}
-func (b BlobEntry) Path() string    { return b.path }
-func (b SubtreeEntry) isTreeEntry() {}
-func (b SubtreeEntry) Path() string { return b.path }
-
-type TreeCh <-chan treeEntry
-
-func (p *Packfile) WalkCommit(commitHash Hash) (TreeCh, error) {
-	commit, ok := p.Commits[commitHash]
-	if !ok {
-		return nil, fmt.Errorf("Unable to find %q commit", commitHash)
-	}
-
-	return p.WalkTree(p.Trees[commit.Tree]), nil
-}
-
-func (p *Packfile) WalkTree(tree *Tree) TreeCh {
-	return p.walkTree(tree, "")
-}
-
-func (p *Packfile) walkTree(tree *Tree, pathPrefix string) TreeCh {
-	ch := make(chan treeEntry)
-
-	if tree == nil {
-		close(ch)
-		return ch
-	}
-
-	go func() {
-		defer func() {
-			close(ch)
-		}()
-		for _, e := range tree.Entries {
-			path := pathPrefix + e.Name
-			if blob, ok := p.Blobs[e.Hash]; ok {
-				ch <- BlobEntry{path, blob}
-			} else if subtree, ok := p.Trees[e.Hash]; ok {
-				ch <- SubtreeEntry{path, subtree, p.walkTree(subtree, path+"/")}
-			}
-		}
-	}()
-
-	return ch
-}