Added all required dependencies

vendor/github.com/Unknwon/com/cmd.go

@@ -0,0 +1,161 @@
+// +build go1.2
+
+// Copyright 2013 com authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License"): you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations
+// under the License.
+
+// Package com is an open source project for commonly used functions for the Go programming language.
+package com
+
+import (
+	"bytes"
+	"fmt"
+	"os/exec"
+	"runtime"
+	"strings"
+)
+
+// ExecCmdDirBytes executes system command in given directory
+// and return stdout, stderr in bytes type, along with possible error.
+func ExecCmdDirBytes(dir, cmdName string, args ...string) ([]byte, []byte, error) {
+	bufOut := new(bytes.Buffer)
+	bufErr := new(bytes.Buffer)
+
+	cmd := exec.Command(cmdName, args...)
+	cmd.Dir = dir
+	cmd.Stdout = bufOut
+	cmd.Stderr = bufErr
+
+	err := cmd.Run()
+	return bufOut.Bytes(), bufErr.Bytes(), err
+}
+
+// ExecCmdBytes executes system command
+// and return stdout, stderr in bytes type, along with possible error.
+func ExecCmdBytes(cmdName string, args ...string) ([]byte, []byte, error) {
+	return ExecCmdDirBytes("", cmdName, args...)
+}
+
+// ExecCmdDir executes system command in given directory
+// and return stdout, stderr in string type, along with possible error.
+func ExecCmdDir(dir, cmdName string, args ...string) (string, string, error) {
+	bufOut, bufErr, err := ExecCmdDirBytes(dir, cmdName, args...)
+	return string(bufOut), string(bufErr), err
+}
+
+// ExecCmd executes system command
+// and return stdout, stderr in string type, along with possible error.
+func ExecCmd(cmdName string, args ...string) (string, string, error) {
+	return ExecCmdDir("", cmdName, args...)
+}
+
+// _________        .__                 .____
+// \_   ___ \  ____ |  |   ___________  |    |    ____   ____
+// /    \  \/ /  _ \|  |  /  _ \_  __ \ |    |   /  _ \ / ___\
+// \     \___(  <_> )  |_(  <_> )  | \/ |    |__(  <_> ) /_/  >
+//  \______  /\____/|____/\____/|__|    |_______ \____/\___  /
+//         \/                                   \/    /_____/
+
+// Color number constants.
+const (
+	Gray = uint8(iota + 90)
+	Red
+	Green
+	Yellow
+	Blue
+	Magenta
+	//NRed      = uint8(31) // Normal
+	EndColor = "\033[0m"
+)
+
+// getColorLevel returns colored level string by given level.
+func getColorLevel(level string) string {
+	level = strings.ToUpper(level)
+	switch level {
+	case "TRAC":
+		return fmt.Sprintf("\033[%dm%s\033[0m", Blue, level)
+	case "ERRO":
+		return fmt.Sprintf("\033[%dm%s\033[0m", Red, level)
+	case "WARN":
+		return fmt.Sprintf("\033[%dm%s\033[0m", Magenta, level)
+	case "SUCC":
+		return fmt.Sprintf("\033[%dm%s\033[0m", Green, level)
+	default:
+		return level
+	}
+}
+
+// ColorLogS colors log and return colored content.
+// Log format: <level> <content [highlight][path]> [ error ].
+// Level: TRAC -> blue; ERRO -> red; WARN -> Magenta; SUCC -> green; others -> default.
+// Content: default; path: yellow; error -> red.
+// Level has to be surrounded by "[" and "]".
+// Highlights have to be surrounded by "# " and " #"(space), "#" will be deleted.
+// Paths have to be surrounded by "( " and " )"(space).
+// Errors have to be surrounded by "[ " and " ]"(space).
+// Note: it hasn't support windows yet, contribute is welcome.
+func ColorLogS(format string, a ...interface{}) string {
+	log := fmt.Sprintf(format, a...)
+
+	var clog string
+
+	if runtime.GOOS != "windows" {
+		// Level.
+		i := strings.Index(log, "]")
+		if log[0] == '[' && i > -1 {
+			clog += "[" + getColorLevel(log[1:i]) + "]"
+		}
+
+		log = log[i+1:]
+
+		// Error.
+		log = strings.Replace(log, "[ ", fmt.Sprintf("[\033[%dm", Red), -1)
+		log = strings.Replace(log, " ]", EndColor+"]", -1)
+
+		// Path.
+		log = strings.Replace(log, "( ", fmt.Sprintf("(\033[%dm", Yellow), -1)
+		log = strings.Replace(log, " )", EndColor+")", -1)
+
+		// Highlights.
+		log = strings.Replace(log, "# ", fmt.Sprintf("\033[%dm", Gray), -1)
+		log = strings.Replace(log, " #", EndColor, -1)
+
+	} else {
+		// Level.
+		i := strings.Index(log, "]")
+		if log[0] == '[' && i > -1 {
+			clog += "[" + log[1:i] + "]"
+		}
+
+		log = log[i+1:]
+
+		// Error.
+		log = strings.Replace(log, "[ ", "[", -1)
+		log = strings.Replace(log, " ]", "]", -1)
+
+		// Path.
+		log = strings.Replace(log, "( ", "(", -1)
+		log = strings.Replace(log, " )", ")", -1)
+
+		// Highlights.
+		log = strings.Replace(log, "# ", "", -1)
+		log = strings.Replace(log, " #", "", -1)
+	}
+	return clog + log
+}
+
+// ColorLog prints colored log to stdout.
+// See color rules in function 'ColorLogS'.
+func ColorLog(format string, a ...interface{}) {
+	fmt.Print(ColorLogS(format, a...))
+}