git.go

package github

import (
	"errors"
	"os/exec"
	"regexp"
	"strings"
)

var repoRE *regexp.Regexp

func init() {
	var err error
	repoRE, err = regexp.Compile("github\\.com/([^/]+)/([^/]+?)(?:\\.git)?$")
	if err != nil {
		panic(err)
	}
}

func GetUserAndRepo() (string, string, error) {
	data, err := exec.Command("git", "config", "remote.origin.url").Output()
	if err != nil {
		return "", "", errors.New("'git config remote.origin.url' failed")
	}
	url := strings.TrimSpace(string(data))
	matches := repoRE.FindStringSubmatch(url)
	if matches == nil {
		return "", "", errors.New("Could not understand remote origin url: " + url)
	}
	return matches[1], matches[2], nil
}