revlist: ignore treeEntries that are submodules.

- If we don't ignore submodules in trees, when we tried to perform a push, revlist.Objects returned hashes that was from submodules, causing an "object not found" error in packfile generation.

2 files changed, 24 insertions, 1 deletions

diff --git a/plumbing/revlist/revlist.go b/plumbing/revlist/revlist.go
index 3e02184..20bc99d 100644
--- a/plumbing/revlist/revlist.go
+++ b/plumbing/revlist/revlist.go
@@ -7,6 +7,7 @@ import (
 	"io"
 
 	"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"
 )
@@ -121,6 +122,10 @@ func iterateCommitTrees(
 			return err
 		}
 
+		if e.Mode == filemode.Submodule {
+			continue
+		}
+
 		if seen[e.Hash] {
 			continue
 		}
diff --git a/plumbing/revlist/revlist_test.go b/plumbing/revlist/revlist_test.go
index 0baf27e..dd1e8c1 100644
--- a/plumbing/revlist/revlist_test.go
+++ b/plumbing/revlist/revlist_test.go
@@ -3,12 +3,12 @@ package revlist
 import (
 	"testing"
 
-	"github.com/src-d/go-git-fixtures"
 	"gopkg.in/src-d/go-git.v4/plumbing"
 	"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/filesystem"
 
+	"github.com/src-d/go-git-fixtures"
 	. "gopkg.in/check.v1"
 )
 
@@ -62,6 +62,24 @@ func (s *RevListSuite) commit(c *C, h plumbing.Hash) *object.Commit {
 	return commit
 }
 
+func (s *RevListSuite) TestRevListObjects_Submodules(c *C) {
+	submodules := map[string]bool{
+		"6ecf0ef2c2dffb796033e5a02219af86ec6584e5": true,
+	}
+
+	sto, err := filesystem.NewStorage(fixtures.ByTag("submodule").One().DotGit())
+	c.Assert(err, IsNil)
+
+	ref, err := storer.ResolveReference(sto, plumbing.HEAD)
+	c.Assert(err, IsNil)
+
+	revList, err := Objects(sto, []plumbing.Hash{ref.Hash()}, nil)
+	c.Assert(err, IsNil)
+	for _, h := range revList {
+		c.Assert(submodules[h.String()], Equals, false)
+	}
+}
+
 // ---
 // | |\
 // | | * b8e471f Creating changelog