1 files changed, 0 insertions, 124 deletions
diff --git a/repository.go b/repository.go
index 7079fd1..b159ff0 100644
--- a/repository.go
+++ b/repository.go
@@ -8,12 +8,10 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
-	"time"
 
 	"gopkg.in/src-d/go-git.v4/config"
 	"gopkg.in/src-d/go-git.v4/internal/revision"
 	"gopkg.in/src-d/go-git.v4/plumbing"
-	"gopkg.in/src-d/go-git.v4/plumbing/filemode"
 	"gopkg.in/src-d/go-git.v4/plumbing/object"
 	"gopkg.in/src-d/go-git.v4/plumbing/storer"
 	"gopkg.in/src-d/go-git.v4/storage"
@@ -1013,125 +1011,3 @@ func (r *Repository) ResolveRevision(rev plumbing.Revision) (*plumbing.Hash, err
 
 	return &commit.Hash, nil
 }
-
-type PruneHandler func(unreferencedObjectHash plumbing.Hash) error
-type PruneOptions struct {
-	// OnlyObjectsOlderThan if set to non-zero value
-	// selects only objects older than the time provided.
-	OnlyObjectsOlderThan time.Time
-	// Handler is called on matching objects
-	Handler PruneHandler
-}
-
-// DeleteObject deletes an object from a repository.
-// The type conveniently matches PruneHandler.
-func (r *Repository) DeleteObject(hash plumbing.Hash) error {
-	return r.Storer.DeleteLooseObject(hash)
-}
-
-func (r *Repository) Prune(opt PruneOptions) error {
-	pw := &pruneWalker{
-		r:    r,
-		seen: map[plumbing.Hash]struct{}{},
-	}
-	// Walk over all the references in the repo.
-	it, err := r.Storer.IterReferences()
-	if err != nil {
-		return nil
-	}
-	defer it.Close()
-	err = it.ForEach(func(ref *plumbing.Reference) error {
-		// Exit this iteration early for non-hash references.
-		if ref.Type() != plumbing.HashReference {
-			return nil
-		}
-		return pw.walkObjectTree(ref.Hash())
-	})
-	if err != nil {
-		return err
-	}
-	// Now walk all (loose) objects in storage.
-	err = r.Storer.ForEachObjectHash(func(hash plumbing.Hash) error {
-		// Get out if we have seen this object.
-		if pw.isSeen(hash) {
-			return nil
-		}
-		// Otherwise it is a candidate for pruning.
-		// Check out for too new objects next.
-		if opt.OnlyObjectsOlderThan != (time.Time{}) {
-			// Errors here are non-fatal. The object may be e.g. packed.
-			// Or concurrently deleted. Skip such objects.
-			t, err := r.Storer.LooseObjectTime(hash)
-			if err != nil {
-				return nil
-			}
-			// Skip too new objects.
-			if !t.Before(opt.OnlyObjectsOlderThan) {
-				return nil
-			}
-		}
-		return opt.Handler(hash)
-	})
-	if err != nil {
-		return err
-	}
-	return nil
-}
-
-type pruneWalker struct {
-	r    *Repository
-	seen map[plumbing.Hash]struct{}
-}
-
-func (p *pruneWalker) isSeen(hash plumbing.Hash) bool {
-	_, seen := p.seen[hash]
-	return seen
-}
-
-func (p *pruneWalker) add(hash plumbing.Hash) {
-	p.seen[hash] = struct{}{}
-}
-
-func (p *pruneWalker) walkObjectTree(hash plumbing.Hash) error {
-	// Check if we have already seen, and mark this object
-	if p.isSeen(hash) {
-		return nil
-	}
-	p.add(hash)
-	// Fetch the object.
-	obj, err := object.GetObject(p.r.Storer, hash)
-	if err != nil {
-		return fmt.Errorf("Getting object %s failed: %v", hash, err)
-	}
-	// Walk all children depending on object type.
-	switch obj := obj.(type) {
-	case *object.Commit:
-		err = p.walkObjectTree(obj.TreeHash)
-		if err != nil {
-			return err
-		}
-		for _, h := range obj.ParentHashes {
-			err = p.walkObjectTree(h)
-			if err != nil {
-				return err
-			}
-		}
-	case *object.Tree:
-		for i := range obj.Entries {
-			// Shortcut for blob objects:
-			if obj.Entries[i].Mode|0755 == filemode.Executable {
-				p.add(obj.Entries[i].Hash)
-				continue
-			}
-			// Normal walk for sub-trees (and symlinks etc).
-			err = p.walkObjectTree(obj.Entries[i].Hash)
-			if err != nil {
-				return err
-			}
-		}
-	default:
-		// Error out on unhandled object types.
-		return fmt.Errorf("Unknown object %X %s %T\n", obj.ID(), obj.Type(), obj)
-	}
-	return nil
-}