Replace gogits/git-module dependency with go-gitea/git (#94)

* Replace gogits/git-module dependency with go-gitea/git

Fixes #92

* Remove git alias for git module import (not needed)

vendor/github.com/go-gitea/git/git.go

@@ -0,0 +1,80 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package git
+
+import (
+	"fmt"
+	"strings"
+	"time"
+)
+
+const _VERSION = "0.4.2"
+
+func Version() string {
+	return _VERSION
+}
+
+var (
+	// Debug enables verbose logging on everything.
+	// This should be false in case Gogs starts in SSH mode.
+	Debug  = false
+	Prefix = "[git-module] "
+)
+
+func log(format string, args ...interface{}) {
+	if !Debug {
+		return
+	}
+
+	fmt.Print(Prefix)
+	if len(args) == 0 {
+		fmt.Println(format)
+	} else {
+		fmt.Printf(format+"\n", args...)
+	}
+}
+
+var gitVersion string
+
+// Version returns current Git version from shell.
+func BinVersion() (string, error) {
+	if len(gitVersion) > 0 {
+		return gitVersion, nil
+	}
+
+	stdout, err := NewCommand("version").Run()
+	if err != nil {
+		return "", err
+	}
+
+	fields := strings.Fields(stdout)
+	if len(fields) < 3 {
+		return "", fmt.Errorf("not enough output: %s", stdout)
+	}
+
+	// Handle special case on Windows.
+	i := strings.Index(fields[2], "windows")
+	if i >= 1 {
+		gitVersion = fields[2][:i-1]
+		return gitVersion, nil
+	}
+
+	gitVersion = fields[2]
+	return gitVersion, nil
+}
+
+func init() {
+	BinVersion()
+}
+
+// Fsck verifies the connectivity and validity of the objects in the database
+func Fsck(repoPath string, timeout time.Duration, args ...string) error {
+	// Make sure timeout makes sense.
+	if timeout <= 0 {
+		timeout = -1
+	}
+	_, err := NewCommand("fsck").AddArguments(args...).RunInDirTimeout(timeout, repoPath)
+	return err
+}