Submodules init and update

config/config.go

@@ -37,6 +37,8 @@ type Config struct {
 		// IsBare if true this repository is assumed to be bare and has no
 		// working directory associated with it
 		IsBare bool
+		// Worktree is the path to the root of the working tree
+		Worktree string
 	}
 	// Remote list of repository remotes
 	Remotes map[string]*RemoteConfig
@@ -76,6 +78,7 @@ const (
 	fetchKey      = "fetch"
 	urlKey        = "url"
 	bareKey       = "bare"
+	worktreeKey   = "worktree"
 )
 
 // Unmarshal parses a git-config file and stores it
@@ -97,6 +100,8 @@ func (c *Config) unmarshalCore() {
 	if s.Options.Get(bareKey) == "true" {
 		c.Core.IsBare = true
 	}
+
+	c.Core.Worktree = s.Options.Get(worktreeKey)
 }
 
 func (c *Config) unmarshalRemotes() error {
@@ -129,6 +134,10 @@ func (c *Config) Marshal() ([]byte, error) {
 func (c *Config) marshalCore() {
 	s := c.raw.Section(coreSection)
 	s.SetOption(bareKey, fmt.Sprintf("%t", c.Core.IsBare))
+
+	if c.Core.Worktree != "" {
+		s.SetOption(worktreeKey, c.Core.Worktree)
+	}
 }
 
 func (c *Config) marshalRemotes() {

config/config_test.go

@@ -9,6 +9,7 @@ var _ = Suite(&ConfigSuite{})
 func (s *ConfigSuite) TestUnmarshall(c *C) {
 	input := []byte(`[core]
         bare = true
+		worktree = foo
 [remote "origin"]
         url = [email protected]:mcuadros/go-git.git
         fetch = +refs/heads/*:refs/remotes/origin/*
@@ -22,15 +23,39 @@ func (s *ConfigSuite) TestUnmarshall(c *C) {
 	c.Assert(err, IsNil)
 
 	c.Assert(cfg.Core.IsBare, Equals, true)
+	c.Assert(cfg.Core.Worktree, Equals, "foo")
 	c.Assert(cfg.Remotes, HasLen, 1)
 	c.Assert(cfg.Remotes["origin"].Name, Equals, "origin")
 	c.Assert(cfg.Remotes["origin"].URL, Equals, "[email protected]:mcuadros/go-git.git")
 	c.Assert(cfg.Remotes["origin"].Fetch, DeepEquals, []RefSpec{"+refs/heads/*:refs/remotes/origin/*"})
 }
 
+func (s *ConfigSuite) TestMarshall(c *C) {
+	output := []byte(`[core]
+	bare = true
+	worktree = bar
+[remote "origin"]
+	url = [email protected]:mcuadros/go-git.git
+`)
+
+	cfg := NewConfig()
+	cfg.Core.IsBare = true
+	cfg.Core.Worktree = "bar"
+	cfg.Remotes["origin"] = &RemoteConfig{
+		Name: "origin",
+		URL:  "[email protected]:mcuadros/go-git.git",
+	}
+
+	b, err := cfg.Marshal()
+	c.Assert(err, IsNil)
+
+	c.Assert(string(b), Equals, string(output))
+}
+
 func (s *ConfigSuite) TestUnmarshallMarshall(c *C) {
 	input := []byte(`[core]
 	bare = true
+	worktree = foo
 	custom = ignored
 [remote "origin"]
 	url = [email protected]:mcuadros/go-git.git