detect more things.

go/detect.go

var Detectors = []Detector{
	{Detection{"clojure", "leiningen"}, clojureLeiningen},
	{Detection{"docker", "fig"}, dockerFig},
	{Detection{"docker", "default"}, dockerDefault},
	{Detection{"executable", "default"}, executableDefault},
	{Detection{"go", "default"}, goDefault},
	{Detection{"java", "maven"}, javaMaven},
	{Detection{"javascript", "npm"}, javascriptNpm},
	{Detection{"javascript", "meteor"}, javascriptMeteor},
	{Detection{"javascript", "default"}, javascriptDefault},
	{Detection{"make", "default"}, makeDefault},
	{Detection{"procfile", "default"}, procfileDefault},
	{Detection{"python", "django"}, pythonDjango},
	{Detection{"python", "default"}, pythonDefault},
	{Detection{"ruby", "rails"}, rubyRails},
	{Detection{"ruby", "rake"}, rubyRake},
	return hasFile(file, "project.clj")
}
func dockerFig(file string) bool {
	return hasFile(file, "fig.yml")
}
func dockerDefault(file string) bool {
	return hasFile(file, "Dockerfile")
}
func executableDefault(file string) bool {
	return fileutil.IsExecutable(file)
}
func goDefault(file string) bool {
	return matchingFileOrDir(file, "*.go")
}
	return hasFile(file, "pom.xml")
}
func javascriptNpm(file string) bool {
	return hasFile(file, "package.json")
}
func javascriptMeteor(file string) bool {
	return hasFile(file, ".meteor/.id")
}
func javascriptDefault(file string) bool {
	return matchingFileOrDir(file, "*.js")
}
func makeDefault(file string) bool {
	return hasFile(file, "Makefile")
}
func procfileDefault(file string) bool {
	return hasFile(file, "Procfile")
}
func pythonDjango(file string) bool {
	return hasFile(file, "manage.py")
}
func pythonDefault(file string) bool {
	return matchingFileOrDir(file, "*.py")
}

go/fileutil/fileutil.go

	}
	return path.Join(dir, path.Join(elem...))
}
func IsExecutable(file string) bool {
	info, err := os.Stat(file)
	if err != nil {
		return false
	}
	isExecutable := info.Mode() & 0111
	return isExecutable != 0 && !info.IsDir()
}