/// Look for a file from which to parse configuration (nut.yml in current
/// directory). Parse the file, and returns an updated context (root directory)
/// TODO: look for nut.yml file in parent folders
func FindProject(context Utils.Context) (Project, Utils.Context, error) {
// var parentProject Project
var project Project
var err error
var newContext Utils.Context
var store Persist.Store
foundDirectory := context.GetUserDirectory()
// fullpath := filepath.Join(foundDirectory, NutFileName)
fullpath := filepath.Join(foundDirectory, NutOverrideFileName)
previousFoundDirectory := ""
var exists bool
searchHigher := true
found := false
for searchHigher == true {
if exists, err = Utils.FileExists(fullpath); exists && err == nil {
found = true
searchHigher = false
} else {
fullpath = filepath.Join(foundDirectory, NutFileName)
if exists, err = Utils.FileExists(fullpath); exists && err == nil {
found = true
searchHigher = false
} else {
previousFoundDirectory = foundDirectory
foundDirectory = filepath.Dir(foundDirectory)
// fullpath = filepath.Join(foundDirectory, NutFileName)
fullpath = filepath.Join(foundDirectory, NutOverrideFileName)
if foundDirectory == previousFoundDirectory {
searchHigher = false
}
}
}
}
if found {
if project, err = LoadProjectFromFile(fullpath); err == nil {
log.Debug("Parsed from file: ", fullpath)
if newContext, err = Utils.NewContext(foundDirectory, context.GetUserDirectory()); err == nil {
log.Debug("Context updated: ", newContext)
if store, err = Persist.InitStore(newContext.GetRootDirectory()); err == nil {
log.Debug("Store initialized: ", store)
if err = ResolveDependencies(project, store, fullpath); err == nil {
log.Debug("Resolved dependencies from file: ", fullpath)
return project, newContext, err
}
}
}
}
} else {
err = errors.New("Could not find '" + NutFileName + "', neither in current directory nor in its parents.")
}
return nil, nil, err
}
// create a nut.yml at the current path
func initSubcommand(c *cli.Context, context Utils.Context, gitHubFlag string) {
log.Debug("initSubcommand context: ", context)
name := filepath.Base(context.GetUserDirectory())
var project Config.Project
if gitHubFlag == "" {
defaultProject := Config.NewProjectV6(nil)
defaultProject.ProjectName = name
defaultProject.DockerImage = "golang:1.6"
defaultProject.Macros["build"] = &Config.MacroV6{
Usage: "build the project in the container",
Actions: []string{"go build -o nut"},
ConfigV6: *Config.NewConfigV6(nil),
}
defaultProject.Macros["run"] = &Config.MacroV6{
Usage: "run the project in the container",
Actions: []string{"./nut"},
ConfigV6: *Config.NewConfigV6(nil),
}
project = defaultProject
} else {
if store, err := Persist.InitStore(context.GetUserDirectory()); err == nil {
log.Debug("Store initialized: ", store)
if filename, err := Config.DownloadFromGithub(gitHubFlag, store); err == nil {
log.Debug("Downloaded from Github to ", filename)
if parentProject, err := Config.LoadProjectFromFile(filename); err == nil {
log.Debug("Parsed from Github: ", parentProject)
if err = Config.ResolveDependencies(parentProject, store, filename); err == nil {
log.Debug("Resolved dependencies from Github: ", filename)
finalProject := Config.NewProjectV6(parentProject)
finalProject.ProjectName = name
finalProject.Base.GitHub = gitHubFlag
// modified project depending on parent configuration
// 1 - mount folder "." if not already mounted by parent configuration
mountingPointName := "main"
hostDir := "."
containerDir := containerFilepath.Join("/nut", name)
mountingPoint := &Config.VolumeV6{
Host: hostDir,
Container: containerDir,
}
if Config.CheckConflict(context, mountingPointName, mountingPoint, Config.GetVolumes(finalProject, context)) == nil {
finalProject.ConfigV6.Mount[mountingPointName] = []string{hostDir, containerDir}
}
// 2 - set working directory to "." if not specified otherwise
if Config.GetWorkingDir(finalProject) == "" {
finalProject.ConfigV6.WorkingDir = containerDir
}
project = finalProject
}
} else {
log.Error("Error while parsing from GitHub: ", err)
}
} else {
log.Error("Error while loading from GitHub: ", err)
}
} else {
log.Error("Error while loading nut files: ", err)
}
}
if project == nil {
return
}
if data, err := Config.ToYAML(project); err != nil {
log.Error("Could not generate default project configuration:", err)
} else {
fmt.Println("Project configuration:")
fmt.Println("")
dataString := string(data)
fmt.Println(dataString)
// check is nut.yml exists at the current path
nutfileName := filepath.Join(context.GetUserDirectory(), Config.NutFileName) // TODO: pick this name from a well documented and centralized list of legit nut file names
if exists, err := Utils.FileExists(nutfileName); exists && err == nil {
log.Error("Could not save new Nut project because a nut.yml file already exists")
return
} else {
err := ioutil.WriteFile(nutfileName, data, 0644) // TODO: discuss this permission level
if err != nil {
log.Error(err)
} else {
fmt.Println("Project configuration saved in %s.", nutfileName) // TODO: make sure that bug Project configuration saved in %!(EXTRA string=./nut.yml) is fixed.
}
}
}
}