// Change directory to the specified directory, checking for errors
// Returns the path to the old working directory
func defaultCd(dir string) (err error) {
err = os.Chdir(dir)
if err != nil {
result.RegisterError()
logger.Output(2, indent()+colors.Red("$ cd "+dir))
logger.Output(2, indent()+colors.Red(err.Error()))
} else if verbose {
logger.Output(2, indent()+"$ cd "+dir)
}
return
}
// Self upgrades this version of depman to the latest on the master branch
func Self(version string) {
selfCalled = true
util.Print(colors.Blue("Upgrading depman..."))
util.RunCommand("go get -u github.com/vube/depman")
cmd := exec.Command("depman", "--version")
out, err := cmd.CombinedOutput()
if err != nil {
result.RegisterError()
util.Print(colors.Red(string(out)))
return
}
newVersion := strings.TrimSuffix(strings.TrimPrefix(string(out), "Depman Version "), "\n")
if newVersion != version {
util.Print("Upgraded to Version " + newVersion)
} else {
util.Print("No upgrade found")
}
}
// Wrapper on os.exec to catch errors, and print useful messages
func defaultRun(cmd string) (err error) {
if verbose {
logger.Output(2, indent()+"$ "+cmd)
}
parts := strings.Split(cmd, " ")
c := exec.Command(parts[0], parts[1:]...)
out, err := c.CombinedOutput()
if err != nil {
result.RegisterError()
logger.Output(2, indent()+colors.Red("$ "+cmd))
o := strings.TrimRight(string(out), "\n")
logger.Output(2, indent()+colors.Red(o))
}
if len(out) > 0 && debug {
logger.Output(2, indent()+string(out))
}
return
}
func main() {
var help bool
var path string
var command string
var arguments []string
var deps dep.DependencyMap
var err error
log.SetFlags(0)
flag.BoolVar(&help, "help", false, "Display help")
flag.StringVar(&path, "path", ".", "Directory or full path to deps.json")
util.Parse()
util.Version(VERSION)
fmt.Println(colors.Red("Depman was deprecated on 25 February 2015"))
fmt.Println(colors.Red("We recommend using 'godep' instead: https://github.com/tools/godep"))
util.GoPathIsSet()
if timelock.Clear() {
return
}
timelock.Read()
// check for a new version of depman
go upgrade.Check(VERSION)
runtime.Gosched()
defer upgrade.Print()
path = dep.GetPath(path)
if flag.NArg() > 0 {
command = strings.ToLower(flag.Arg(0))
}
if flag.NArg() > 1 {
arguments = flag.Args()[1:]
}
if help {
command = "help"
}
// switch to check for deps.json
switch command {
case "add", "", "install", "update", "show-frozen":
// check for deps.json
util.CheckPath(path)
deps, err = dep.Read(path)
if err != nil {
util.Fatal(colors.Red("Error Reading deps.json: " + err.Error()))
}
}
// switch to exec the sub command
switch command {
case "init", "create":
create.Create(path)
case "add":
if len(arguments) < 1 {
util.Print(colors.Red("Add command requires 1 argument: Add [nickname]"))
Help()
} else {
add.Add(deps, arguments[0])
}
case "update":
if len(arguments) < 2 {
util.Print(colors.Red("Update command requires 2 arguments: Update [nickname] [branch]"))
Help()
} else {
update.Update(deps, arguments[0], arguments[1])
}
case "install", "":
install.Install(deps)
case "self-upgrade":
upgrade.Self(VERSION)
case "show-frozen":
var recursive bool
flagset := flag.NewFlagSet("show-frozen", flag.ExitOnError)
flagset.BoolVar(&recursive, "recursive", false, "descend recursively (depth-first) into dependencies")
flagset.Parse(flag.Args()[1:])
if recursive {
fmt.Println(showfrozen.ReadRecursively(deps, nil))
} else {
fmt.Print(showfrozen.Read(deps))
}
default:
result.RegisterError()
log.Println(colors.Red("Unknown Command: " + command))
fallthrough
case "help":
Help()
}
timelock.Write()
if result.ShouldExitWithError() {
os.Exit(1)
} else {
util.Print("Success")
}
}
// recursively install a DependencyMap
func recursiveInstall(deps dep.DependencyMap, set map[string]string) (err error) {
for name, d := range deps.Map {
start := time.Now()
if duplicate(*d, set) {
continue
}
stale := timelock.IsStale(d.Repo)
util.PrintDep(name, d.Version, d.Repo, stale)
subPath := d.Path()
err = d.VCS.Clone(d)
if err != nil {
continue
}
util.Cd(subPath)
if clean {
d.VCS.Clean(d)
}
if stale {
util.VerboseIndent(" # repo is stale, fetching")
err = d.VCS.Fetch(d)
if err != nil {
continue
}
}
err = d.VCS.Checkout(d)
if err != nil {
continue
}
if stale {
err = d.VCS.Update(d)
if err != nil {
continue
}
}
util.VerboseIndent(fmt.Sprintf("# time to install: %.3fs", time.Since(start).Seconds()))
// Recursive
depsFile := util.UpwardFind(subPath, dep.DepsFile)
if depsFile != "" && Recurse {
subDeps, err := dep.Read(depsFile)
if err != nil {
util.Print(colors.Red("Error reading deps from '" + depsFile + "': " + err.Error()))
result.RegisterError()
} else {
util.IncreaseIndent()
recursiveInstall(subDeps, set)
util.DecreaseIndent()
}
}
}
return
}
