func main() {
cwd, err := os.Getwd()
if err != nil {
fatal(err)
}
projroot, err := env.FindProjRoot(cwd)
var genv *env.GoatEnv
if err == nil {
genv, err = env.NewGoatEnv(projroot)
if err != nil {
fatal(err)
}
if err = genv.PrependToGoPath(); err != nil {
fatal(err)
}
if err = genv.Setup(); err != nil {
fatal(err)
}
}
args := os.Args[1:]
if len(args) < 1 {
printGhelp()
}
switch args[0] {
case "deps":
if genv != nil {
err := genv.FetchDependencies(genv.AbsDepDir())
if err != nil {
fatal(err)
}
} else {
fatal(errors.New(".go.yaml file not found on current path"))
}
case "ghelp":
printGhelp()
default:
if actualgo, ok := ActualGo(); ok {
err := exec.PipedCmd(actualgo, args...)
if err != nil {
os.Exit(1)
}
} else {
newargs := make([]string, len(args)+1)
copy(newargs[1:], args)
newargs[0] = "go"
err := exec.PipedCmd("/usr/bin/env", newargs...)
if err != nil {
os.Exit(1)
}
}
}
}
func Git(depdir string, dep *Dependency) error {
localloc := filepath.Join(depdir, "src", dep.Path)
if _, err := os.Stat(localloc); os.IsNotExist(err) {
fmt.Println("git", "clone", dep.Location, localloc)
err := exec.PipedCmd("git", "clone", dep.Location, localloc)
if err != nil {
return err
}
} else {
fmt.Println(localloc, "exists")
}
origcwd, err := os.Getwd()
if err != nil {
return err
}
err = os.Chdir(localloc)
if err != nil {
return err
}
defer os.Chdir(origcwd)
fmt.Println("git", "fetch", "-pv", "--all")
err = exec.PipedCmd("git", "fetch", "-pv", "--all")
if err != nil {
return err
}
if dep.Reference == "" {
dep.Reference = "master"
}
if exists, err := originBranchExists(dep.Reference); err != nil {
return err
} else if exists {
dep.Reference = "origin/" + dep.Reference
}
fmt.Println("git", "checkout", dep.Reference)
stdout, stderr, err := exec.TrimmedCmd("git", "checkout", dep.Reference)
if err != nil {
return err
}
if stdout != "" {
fmt.Println(stdout)
}
// Moving to a 'detached HEAD' state causes git to output a huge explanation
// to stderr. We only want the last line.
lines := strings.Split(stderr, "\n")
fmt.Println(lines[len(lines)-1])
fmt.Println("git", "clean", "-f", "-d")
err = exec.PipedCmd("git", "clean", "-f", "-d")
return err
}
func Hg(depdir string, dep *Dependency) error {
localloc := filepath.Join(depdir, "src", dep.Path)
if _, err := os.Stat(localloc); os.IsNotExist(err) {
fmt.Println("hg", "clone", dep.Location, localloc)
err := exec.PipedCmd("hg", "clone", dep.Location, localloc)
if err != nil {
return err
}
} else {
fmt.Println(localloc, "exists")
}
origcwd, err := os.Getwd()
if err != nil {
return err
}
err = os.Chdir(localloc)
if err != nil {
return err
}
defer os.Chdir(origcwd)
fmt.Println("hg", "pull")
err = exec.PipedCmd("hg", "pull")
if err != nil {
return err
}
if dep.Reference == "" {
dep.Reference = "tip"
}
fmt.Println("hg", "update", "-C", dep.Reference)
err = exec.PipedCmd("hg", "update", "-C", dep.Reference)
return err
}