// InitConfig initialises a .plzconfig template in the given directory.
func InitConfig(dir string, bazelCompatibility bool) {
if dir == "." {
core.FindRepoRoot(false)
if core.RepoRoot != "" {
config := path.Join(core.RepoRoot, core.ConfigFileName)
if !prompter.YN(fmt.Sprintf("You already seem to be in a plz repo (found %s). Continue?", config), false) {
os.Exit(1)
}
}
}
dir, err := filepath.Abs(dir)
if err != nil {
log.Warning("Can't determine absolute directory: %s", err)
}
config := path.Join(dir, core.ConfigFileName)
contents := fmt.Sprintf(configTemplate, core.PleaseVersion)
if bazelCompatibility {
contents += bazelCompatibilityConfig
}
if err := ioutil.WriteFile(config, []byte(contents), 0644); err != nil {
log.Fatalf("Failed to write file: %s", err)
}
fmt.Printf("Wrote config template to %s, you're now ready to go!\n", config)
// Now write the wrapper script
data := MustAsset(wrapperScriptName)
if err := ioutil.WriteFile(wrapperScriptName, data, 0755); err != nil {
log.Fatalf("Failed to write file: %s", err)
}
fmt.Printf("\nAlso wrote wrapper script to %s; users can invoke that directly to run Please, even without it installed.\n", wrapperScriptName)
}
func main() {
parser, extraArgs, flagsErr := cli.ParseFlags("Please", &opts, os.Args)
// Note that we must leave flagsErr for later, because it may be affected by aliases.
if opts.OutputFlags.Version {
fmt.Printf("Please version %s\n", core.PleaseVersion)
os.Exit(0) // Ignore other errors if --version was passed.
}
if opts.OutputFlags.Colour {
output.SetColouredOutput(true)
} else if opts.OutputFlags.NoColour {
output.SetColouredOutput(false)
}
if opts.OutputFlags.ShowAllOutput {
opts.OutputFlags.PlainOutput = true
}
// Init logging, but don't do file output until we've chdir'd.
cli.InitLogging(opts.OutputFlags.Verbosity)
command := activeCommand(parser)
if command == "init" {
if flagsErr != nil { // This error otherwise doesn't get checked until later.
cli.ParseFlagsFromArgsOrDie("Please", core.PleaseVersion.String(), &opts, os.Args)
}
// If we're running plz init then we obviously don't expect to read a config file.
utils.InitConfig(opts.Init.Dir, opts.Init.BazelCompatibility)
os.Exit(0)
}
if opts.BuildFlags.RepoRoot == "" {
core.FindRepoRoot(true)
log.Debug("Found repo root at %s", core.RepoRoot)
} else {
core.RepoRoot = opts.BuildFlags.RepoRoot
}
// Please always runs from the repo root, so move there now.
if err := os.Chdir(core.RepoRoot); err != nil {
log.Fatalf("%s", err)
}
// Reset this now we're at the repo root.
if opts.OutputFlags.LogFile != "" {
cli.InitFileLogging(path.Join(core.RepoRoot, opts.OutputFlags.LogFile), opts.OutputFlags.LogFileLevel)
}
config = readConfig(command == "update")
// Set this in case anything wants to use it soon
core.NewBuildState(config.Please.NumThreads, nil, opts.OutputFlags.Verbosity, config)
// Now we've read the config file, we may need to re-run the parser; the aliases in the config
// can affect how we parse otherwise illegal flag combinations.
if flagsErr != nil || len(extraArgs) > 0 {
argv := strings.Join(os.Args, " ")
for k, v := range config.Aliases {
argv = strings.Replace(argv, k, v, 1)
}
parser = cli.ParseFlagsFromArgsOrDie("Please", core.PleaseVersion.String(), &opts, strings.Fields(argv))
command = activeCommand(parser)
}
if !buildFunctions[command]() {
os.Exit(7) // Something distinctive, is sometimes useful to identify this externally.
}
}