fix 1540 and experimental SSH server support

modules/base/base.go

@@ -4,6 +4,12 @@
 
 package base
 
+import (
+	"os"
+	"os/exec"
+	"path/filepath"
+)
+
 const DOC_URL = "https://github.com/gogits/go-gogs-client/wiki"
 
 type (
@@ -11,3 +17,16 @@ type (
 )
 
 var GoGetMetas = make(map[string]bool)
+
+// ExecPath returns the executable path.
+func ExecPath() (string, error) {
+	file, err := exec.LookPath(os.Args[0])
+	if err != nil {
+		return "", err
+	}
+	p, err := filepath.Abs(file)
+	if err != nil {
+		return "", err
+	}
+	return p, nil
+}