Fixing windows compatability

There have been several compatability issues with Windows due to
assumptions of a posix environment.

git.go

@@ -371,6 +371,14 @@ func (s *GitRepo) ExportDir(dir string) error {
 		dir = dir + string(os.PathSeparator)
 	}
 
+	// checkout-index on some systems, such as some Windows cases, does not
+	// create the parent directory to export into if it does not exist. Explicitly
+	// creating it.
+	err := os.MkdirAll(dir, 0755)
+	if err != nil {
+		return NewLocalError("Unable to create directory", err, "")
+	}
+
 	out, err := s.RunFromDir("git", "checkout-index", "-f", "-a", "--prefix="+dir)
 	s.log(out)
 	if err != nil {

repo_test.go

@@ -46,7 +46,7 @@ func TestTypeSwitch(t *testing.T) {
 		}
 	}()
 
-	repo, err := NewSvnRepo("https://github.com/Masterminds/VCSTestRepo/trunk", tempDir+"/VCSTestRepo")
+	repo, err := NewSvnRepo("https://github.com/Masterminds/VCSTestRepo/trunk", tempDir+string(os.PathSeparator)+"VCSTestRepo")
 	if err != nil {
 		t.Error(err)
 	}
@@ -55,7 +55,7 @@ func TestTypeSwitch(t *testing.T) {
 		t.Errorf("Unable to checkout SVN repo for repo switching tests. Err was %s", err)
 	}
 
-	_, err = NewRepo("https://github.com/Masterminds/VCSTestRepo", tempDir+"/VCSTestRepo")
+	_, err = NewRepo("https://github.com/Masterminds/VCSTestRepo", tempDir+string(os.PathSeparator)+"VCSTestRepo")
 	if err != ErrWrongVCS {
 		t.Errorf("Not detecting repo switch from SVN to Git")
 	}

svn.go

@@ -6,6 +6,7 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"runtime"
 	"strings"
 	"time"
 )
@@ -76,9 +77,13 @@ func (s *SvnRepo) Get() error {
 	remote := s.Remote()
 	if strings.HasPrefix(remote, "/") {
 		remote = "file://" + remote
+	} else if runtime.GOOS == "windows" && filepath.VolumeName(remote) != "" {
+		remote = "file:///" + remote
 	}
 	out, err := s.run("svn", "checkout", remote, s.LocalPath())
 	if err != nil {
+		fmt.Println(string(out))
+		fmt.Println(err.Error())
 		return NewRemoteError("Unable to get repository", err, string(out))
 	}
 	return nil
@@ -183,8 +188,8 @@ func (s *SvnRepo) Date() (time.Time, error) {
 	if err != nil {
 		return time.Time{}, NewLocalError("Unable to retrieve revision date", err, string(out))
 	}
-	const longForm = "2006-01-02T15:04:05.000000Z\n"
-	t, err := time.Parse(longForm, string(out))
+	const longForm = "2006-01-02T15:04:05.000000Z"
+	t, err := time.Parse(longForm, strings.TrimSpace(string(out)))
 	if err != nil {
 		return time.Time{}, NewLocalError("Unable to retrieve revision date", err, string(out))
 	}
@@ -193,14 +198,24 @@ func (s *SvnRepo) Date() (time.Time, error) {
 
 // CheckLocal verifies the local location is an SVN repo.
 func (s *SvnRepo) CheckLocal() bool {
-	sep := fmt.Sprintf("%c", os.PathSeparator)
-	psplit := strings.Split(s.LocalPath(), sep)
-	for i := 0; i < len(psplit); i++ {
-		path := fmt.Sprintf("%s%s", sep, filepath.Join(psplit[0:(len(psplit)-(i))]...))
-		if _, err := os.Stat(filepath.Join(path, ".svn")); err == nil {
+	pth, err := filepath.Abs(s.LocalPath())
+	if err != nil {
+		s.log(err.Error())
+		return false
+	}
+
+	if _, err := os.Stat(filepath.Join(pth, ".svn")); err == nil {
+		return true
+	}
+
+	oldpth := pth
+	for oldpth != pth {
+		pth = filepath.Dir(pth)
+		if _, err := os.Stat(filepath.Join(pth, ".svn")); err == nil {
 			return true
 		}
 	}
+
 	return false
 }
 

svn_test.go

@@ -28,7 +28,7 @@ func TestSvn(t *testing.T) {
 		}
 	}()
 
-	repo, err := NewSvnRepo("https://github.com/Masterminds/VCSTestRepo/trunk", tempDir+"/VCSTestRepo")
+	repo, err := NewSvnRepo("https://github.com/Masterminds/VCSTestRepo/trunk", tempDir+string(os.PathSeparator)+"VCSTestRepo")
 	if err != nil {
 		t.Error(err)
 	}
@@ -41,7 +41,7 @@ func TestSvn(t *testing.T) {
 	if repo.Remote() != "https://github.com/Masterminds/VCSTestRepo/trunk" {
 		t.Error("Remote not set properly")
 	}
-	if repo.LocalPath() != tempDir+"/VCSTestRepo" {
+	if repo.LocalPath() != tempDir+string(os.PathSeparator)+"VCSTestRepo" {
 		t.Error("Local disk location not set properly")
 	}
 
@@ -300,8 +300,8 @@ func TestSvnPing(t *testing.T) {
 
 func TestSvnInit(t *testing.T) {
 	tempDir, err := ioutil.TempDir("", "go-vcs-svn-tests")
-	remoteDir := tempDir + "/remoteDir"
-	localDir := tempDir + "/localDir"
+	remoteDir := tempDir + string(os.PathSeparator) + "remoteDir"
+	localDir := tempDir + string(os.PathSeparator) + "localDir"
 	if err != nil {
 		t.Error(err)
 	}

vcs_local_lookup.go

@@ -2,12 +2,20 @@ package vcs
 
 import (
 	"os"
+	"runtime"
+	"strings"
 )
 
 // DetectVcsFromFS detects the type from the local path.
 // Is there a better way to do this?
 func DetectVcsFromFS(vcsPath string) (Type, error) {
 
+	// There are cases under windows that a path could start with a / and it needs
+	// to be stripped. For example, a path such as /C:\foio\bar.
+	if runtime.GOOS == "windows" && strings.HasPrefix(vcsPath, "/") {
+		vcsPath = strings.TrimPrefix(vcsPath, "/")
+	}
+
 	// When the local directory to the package doesn't exist
 	// it's not yet downloaded so we can't detect the type
 	// locally.

vcs_remote_lookup_test.go

@@ -4,6 +4,7 @@ import (
 	"io/ioutil"
 	"os"
 	"os/exec"
+	"runtime"
 	"strings"
 	"testing"
 )
@@ -87,12 +88,19 @@ func TestVCSFileLookup(t *testing.T) {
 		}
 	}()
 
-	_, err = exec.Command("git", "init", tempDir).CombinedOutput()
+	out, err := exec.Command("git", "init", tempDir).CombinedOutput()
 	if err != nil {
 		t.Error(err)
 	}
 
-	pth := "file://" + tempDir
+	// On Windows it should be file:// followed by /C:\for\bar. That / before
+	// the drive needs to be included in testing.
+	var pth string
+	if runtime.GOOS == "windows" {
+		pth = "file:///" + tempDir
+	} else {
+		pth = "file://" + tempDir
+	}
 	ty, _, err := detectVcsFromRemote(pth)
 
 	if err != nil {