Upgrade to latest go-git version. (#124)

ajnavarro · web-flow · commit cfc72feca652 · 2017-08-27T20:15:30.000+02:00
Do small changes to be able to use the last go-git v4 version.
diff --git a/.travis.yml b/.travis.yml
@@ -1,8 +1,8 @@
 language: go
 sudo: false
 go:
-  - 1.7
   - 1.8
+  - 1.9
   - tip
 matrix:
   fast_finish: true
diff --git a/commits.go b/commits.go
@@ -58,7 +58,7 @@ func (commitsTable) Children() []sql.Node {
 }
 
 type commitIter struct {
-	i *object.CommitIter
+	i object.CommitIter
 }
 
 func (i *commitIter) Next() (sql.Row, error) {
diff --git a/database_test.go b/database_test.go
@@ -8,7 +8,7 @@ import (
 
 	"github.com/src-d/go-git-fixtures"
 	"github.com/stretchr/testify/assert"
-	"gopkg.in/src-d/go-billy.v2/memfs"
+	"gopkg.in/src-d/go-billy.v3/memfs"
 	"gopkg.in/src-d/go-git.v4"
 	"gopkg.in/src-d/go-git.v4/storage/filesystem"
 )

Original file line number	Diff line number	Diff line change
`@@ -58,7 +58,7 @@ func (commitsTable) Children() []sql.Node {`
`58`	`58`	`}`
`59`	`59`
`60`	`60`	`type commitIter struct {`
`61`		`- i *object.CommitIter`
	`61`	`+ i object.CommitIter`
`62`	`62`	`}`
`63`	`63`
`64`	`64`	`func (i *commitIter) Next() (sql.Row, error) {`
Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@ import (`
`8`	`8`
`9`	`9`	`"github.com/src-d/go-git-fixtures"`
`10`	`10`	`"github.com/stretchr/testify/assert"`
`11`		`- "gopkg.in/src-d/go-billy.v2/memfs"`
	`11`	`+ "gopkg.in/src-d/go-billy.v3/memfs"`
`12`	`12`	`"gopkg.in/src-d/go-git.v4"`
`13`	`13`	`"gopkg.in/src-d/go-git.v4/storage/filesystem"`
`14`	`14`	`)`