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// ExecGit executes a git command.
func ExecGit(args ...string) error {
	log.Debugf("exec git %s", args)
	_, err := exec.LookPath("git")
	if err != nil {
		log.Warnf("git not found")
		return err
	}
	err = exec.Command("git", args...).Run()
	if err != nil {

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func IsUrl(path string) bool {
	u, err := url.Parse(path)
	return err == nil && u.Scheme != "" && u.Host != ""
}

func IsDir(path string) bool {
	s, err := os.Stat(path)
	return s.IsDir() && os.IsExist(err)
}

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import QtQuick

Rectangle {
    width: 320
    height: 320
    color: '#00FF00'
}

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# Contributing

:+1::tada: First, thanks for taking the time to contribute! :tada::+1:

The following is a set of guidelines to contribute to the QmlBook, which is hosted at (https://github.com/qmlbook/qmlbook/) on GitHub.

## Licensing

You provide us the contributions under the [Attribution-NonCommercial-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-nc-sa/4.0/) license for text and the [BSD](http://opensource.org/licenses/BSD-3-Clause) license for code. We keep the rights to print a book based on the provided content. We can not ensure that everyone will be correctly named, but we will do our best. This is just so that you understand what you are about todo :-). 

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// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

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import QtQuick 2.0

Rectangle {
    width: 320
    height: 320
    color: '#00FF00'
}

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import QtQuick 1.0

Rectangle {
    width: 360
    height: 360
}

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#include <QtGui/QApplication>
#include "view.h"

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    View viewer;
    viewer.setSource(QUrl("qml/main.qml"));
    viewer.show();