move out git module and #1573 send push hook

routers/repo/download.go

@@ -8,8 +8,9 @@ import (
 	"io"
 	"path"
 
+	"github.com/gogits/git-shell"
+
 	"github.com/gogits/gogs/modules/base"
-	"github.com/gogits/gogs/modules/git"
 	"github.com/gogits/gogs/modules/middleware"
 )
 
@@ -21,7 +22,7 @@ func ServeData(ctx *middleware.Context, name string, reader io.Reader) error {
 	}
 
 	_, isTextFile := base.IsTextFile(buf)
-	if ! isTextFile {
+	if !isTextFile {
 		_, isImageFile := base.IsImageFile(buf)
 		if !isImageFile {
 			ctx.Resp.Header().Set("Content-Disposition", "attachment; filename="+path.Base(ctx.Repo.TreeName))
@@ -45,7 +46,7 @@ func ServeBlob(ctx *middleware.Context, blob *git.Blob) error {
 func SingleDownload(ctx *middleware.Context) {
 	blob, err := ctx.Repo.Commit.GetBlobByPath(ctx.Repo.TreeName)
 	if err != nil {
-		if err == git.ErrNotExist {
+		if git.IsErrNotExist(err) {
 			ctx.Handle(404, "GetBlobByPath", nil)
 		} else {
 			ctx.Handle(500, "GetBlobByPath", err)