plumbing: transport, make target repo writeable in tests

Some tests write to an already existent repository retrieved from
fixtures. The permissions of these files are read only and make
receive pack fail. This was shadowed before as close errors were
lost.

Signed-off-by: Javi Fontan <jfontan@gmail.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/plumbing/transport/test/receive_pack.go b/plumbing/transport/test/receive_pack.go
index a68329e..6179850 100644
--- a/plumbing/transport/test/receive_pack.go
+++ b/plumbing/transport/test/receive_pack.go
@@ -8,6 +8,8 @@ import (
 	"context"
 	"io"
 	"io/ioutil"
+	"os"
+	"path/filepath"
 
 	"gopkg.in/src-d/go-git.v4/plumbing"
 	"gopkg.in/src-d/go-git.v4/plumbing/format/packfile"
@@ -225,6 +227,25 @@ func (s *ReceivePackSuite) receivePackNoCheck(c *C, ep *transport.Endpoint,
 		ep.String(), url, callAdvertisedReferences,
 	)
 
+	// Set write permissions to endpoint directory files. By default
+	// fixtures are generated with read only permissions, this casuses
+	// errors deleting or modifying files.
+	rootPath := ep.Path
+	println("STAT", rootPath)
+	stat, err := os.Stat(ep.Path)
+
+	if rootPath != "" && err == nil && stat.IsDir() {
+		objectPath := filepath.Join(rootPath, "objects/pack")
+		files, err := ioutil.ReadDir(objectPath)
+		c.Assert(err, IsNil)
+
+		for _, file := range files {
+			path := filepath.Join(objectPath, file.Name())
+			err = os.Chmod(path, 0644)
+			c.Assert(err, IsNil)
+		}
+	}
+
 	r, err := s.Client.NewReceivePackSession(ep, s.EmptyAuth)
 	c.Assert(err, IsNil, comment)
 	defer func() { c.Assert(r.Close(), IsNil, comment) }()