// SetupVCS configures the VCS depending on the type
func (d *Dependency) SetupVCS(name string) (err error) {
switch d.Type {
case TypeGitClone:
if d.Alias == "" {
util.PrintIndent(colors.Red("Error: Dependency " + name + ": Repo '" + d.Repo + "' Type '" + d.Type + "' requires 'alias' field"))
err = ErrMissingAlias
return
}
d.VCS = new(Git)
case TypeGit:
d.VCS = new(Git)
case TypeBzr:
d.VCS = new(Bzr)
case TypeHg:
d.VCS = new(Hg)
default:
util.PrintIndent(colors.Red(d.Repo + ": Unknown repository type (" + d.Type + "), skipping..."))
util.PrintIndent(colors.Red("Valid Repository types: " + TypeGit + ", " + TypeHg + ", " + TypeBzr + ", " + TypeGitClone))
err = ErrUnknownType
}
if d.Type != TypeGitClone && d.Alias != "" {
util.Print(colors.Yellow("Warning: " + d.Repo + ": 'alias' field only allowed in dependencies with type 'git-clone', skipping..."))
d.Alias = ""
}
return
}
//GetHead - Render a revspec to a commit ID
func (g *Git) GetHead(d *Dependency) (hash string, err error) {
var pwd string
pwd = util.Pwd()
util.Cd(d.Path())
c := exec.Command("git", "rev-parse", d.Version)
{
var out_bytes []byte
out_bytes, err = c.CombinedOutput()
hash = strings.TrimSuffix(string(out_bytes), "\n")
}
util.Cd(pwd)
if err != nil {
util.Print("pwd: " + util.Pwd())
util.PrintIndent(colors.Red("git rev-parse " + d.Version))
util.PrintIndent(colors.Red(string(hash)))
util.PrintIndent(colors.Red(err.Error()))
util.Fatal("")
}
return
}
// IsBranch determines if a version (branch, commit hash, tag) is a branch (i.e. can we pull from the remote).
// Assumes we are already in a sub directory of the repo
func (g *Git) isBranch(name string) (result bool) {
c := exec.Command("git", "branch", "-r")
out, err := c.CombinedOutput()
if err != nil {
util.Print("pwd: " + util.Pwd())
util.PrintIndent(colors.Red("git branch -r"))
util.PrintIndent(colors.Red(string(out)))
util.PrintIndent(colors.Red(err.Error()))
return false
}
// get the string version but also strip the trailing newline
stringOut := string(out[0 : len(out)-1])
lines := strings.Split(stringOut, "\n")
for _, val := range lines {
// for "origin/HEAD -> origin/master"
arr := strings.Split(val, " -> ")
remoteBranch := arr[0]
// for normal "origin/develop"
arr = strings.Split(remoteBranch, "/")
branch := arr[1]
if branch == name {
return true
}
}
return
}
// Pwd returns the current working directory
func Pwd() (pwd string) {
pwd, err := os.Getwd()
if err != nil {
logger.Print(colors.Red("Cannot get Current Working Directory"))
Fatal(colors.Red(err.Error()))
}
return
}
// 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
}
// Create writes an empty deps.json at the location specified by path
func Create(path string) {
if util.Exists(path) {
util.Fatal(colors.Red(dep.DepsFile + " already exists!"))
}
util.Print(colors.Blue("Initializing:"))
err := ioutil.WriteFile(path, []byte(template), 0644)
if err == nil {
util.Print("Empty " + dep.DepsFile + " created (" + path + ")")
} else {
util.Fatal(colors.Red("Error creating "+dep.DepsFile+": "), err)
}
return
}
// Check for duplicate dependency
// if same name and same version, skip
// if same name and different version, exit
// if different name, add to set, don't skip
func duplicate(d dep.Dependency, set map[string]string) (skip bool) {
version, installed := set[d.Repo]
if installed && version != d.Version {
util.Print(colors.Red("ERROR : Duplicate dependency with different versions detected"))
util.Print(colors.Red("Repo : " + d.Repo))
util.Fatal(colors.Red("Versions : " + d.Version + "\t" + version))
} else if installed {
util.VerboseIndent(colors.Yellow("Skipping previously installed dependency: ") + d.Repo)
skip = true
} else {
set[d.Repo] = d.Version
}
return
}
// LastCommit retrieves the version number of the last commit on branch
// Assumes that the current working directory is in the hg repo
func (h *Hg) LastCommit(d *Dependency, branch string) (hash string, err error) {
c := exec.Command("hg", "log", "--template='{node}\n'", "--limit=1")
out, err := c.CombinedOutput()
if err != nil {
util.Print("pwd: " + util.Pwd())
util.PrintIndent(colors.Red("hg log --template='{node}\n' --limit=1"))
util.PrintIndent(colors.Red(string(out)))
util.PrintIndent(colors.Red(err.Error()))
util.Fatal("")
}
hash = strings.Replace(string(out), "\n", "", -1)
return
}
// LastCommit retrieves the version number of the last commit on branch
// Assumes that the current working directory is in the bzr repo
func (b *Bzr) LastCommit(d *Dependency, branch string) (hash string, err error) {
c := exec.Command("bzr", "log", "--line")
out, err := c.CombinedOutput()
if err != nil {
util.Print("pwd: " + util.Pwd())
util.PrintIndent(colors.Red("bzr log --line"))
util.PrintIndent(colors.Red(string(out)))
util.PrintIndent(colors.Red(err.Error()))
util.Fatal("")
}
hash = strings.Split(string(out), ":")[0]
return
}
//Read - get top-level frozen dependencies
func Read(deps dep.DependencyMap) (result string) {
var err error
var resultMap = make(map[string]*dep.Dependency)
util.Print(colors.Yellow("NOTE: This will not reflect the state of the remote unless you have just run `depman install`."))
for k, v := range deps.Map {
if v.Type == dep.TypeGitClone && v.Alias == "" {
util.PrintIndent(colors.Red("Error: Repo '" + k + "' Type '" + v.Type + "' requires 'alias' field (defined in " + deps.Path + ")"))
continue
}
v.Version, err = v.VCS.GetHead(v)
if err != nil {
util.Fatal(err)
}
resultMap[k] = v
}
//not changing the logic in the loop because we might want to change the print format later
for _, v := range resultMap {
result += fmt.Sprintf("%s %s\n", v.Repo, v.Version)
}
return
}
// Add interactively prompts the user for details of a dependency, adds it to deps.json, and writes out the file
func Add(deps dep.DependencyMap, name string) {
var cont = true
_, exists := deps.Map[name]
if exists {
util.Fatal(colors.Red("Dependency '" + name + "'' is already defined, pick another name."))
}
util.Print(colors.Blue("Adding: ") + name)
for cont {
d := new(dep.Dependency)
d.Type = promptType("Type", "git, git-clone, hg, bzr")
if d.Type == dep.TypeGitClone {
d.Repo = promptString("Repo", "git url")
} else {
d.Repo = promptString("Repo", "go import")
}
d.Version = promptString("Version", "hash, branch, or tag")
if d.Type == dep.TypeGitClone {
d.Alias = promptString("Alias", "where to install the repo")
}
deps.Map[name] = d
cont = promptBool("Add another", "y/N")
}
for name, d := range deps.Map {
err := d.SetupVCS(name)
if err != nil {
delete(deps.Map, name)
}
}
err := deps.Write()
if err != nil {
util.Fatal(colors.Red("Error Writing " + deps.Path + ": " + err.Error()))
}
install.Install(deps)
return
}
//GetHead - Render a revspec to a commit ID
func (b *Bzr) GetHead(d *Dependency) (hash string, err error) {
var pwd string
pwd = util.Pwd()
util.Cd(d.Path())
defer util.Cd(pwd)
out, err := exec.Command("bzr", "revno", d.Version).CombinedOutput()
hash = strings.TrimSuffix(string(out), "\n")
if err != nil {
util.Print("pwd: " + util.Pwd())
util.PrintIndent(colors.Red("bzr revno " + d.Version))
util.PrintIndent(colors.Red(hash))
util.PrintIndent(colors.Red(err.Error()))
util.Fatal("")
}
return
}
//GetHead - Render a revspec to a commit ID
func (h *Hg) GetHead(d *Dependency) (hash string, err error) {
var pwd string
pwd = util.Pwd()
util.Cd(d.Path())
defer util.Cd(pwd)
out, err := exec.Command("hg", "id", "-i").CombinedOutput()
hash = strings.TrimSuffix(string(out), "\n")
if err != nil {
util.Print("pwd: " + util.Pwd())
util.PrintIndent(colors.Red("hg id -i"))
util.PrintIndent(colors.Red(hash))
util.PrintIndent(colors.Red(err.Error()))
util.Fatal("")
}
return
}
// LastCommit retrieves the version number of the last commit on branch
// Assumes that the current working directory is in the git repo
func (g *Git) LastCommit(d *Dependency, branch string) (hash string, err error) {
if !g.isBranch(branch) {
err = errors.New("Branch '" + branch + "' is not a valid branch")
return
}
c := exec.Command("git", "log", "-1", "--format=%H")
out, err := c.CombinedOutput()
if err != nil {
util.Print("pwd: " + util.Pwd())
util.PrintIndent(colors.Red("git log -1 --format=%H"))
util.PrintIndent(colors.Red(string(out)))
util.PrintIndent(colors.Red(err.Error()))
util.Fatal("")
}
hash = strings.Replace(string(out), "\n", "", -1)
return
}
// Prompt the user with question check that the answer is a valid dep type and then return it
func promptType(question string, details string) (t string) {
for {
t = promptString(question, details)
t = strings.TrimSpace(t)
switch t {
case dep.TypeBzr, dep.TypeGit, dep.TypeHg, dep.TypeGitClone:
return
default:
util.Print(colors.Red("Invalid Type, try again..."))
}
}
}
// 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
}
//ReadRecursively - get frozen dependencies recursively
func ReadRecursively(deps dep.DependencyMap, set map[string]string) (result string) {
var err error
if set == nil {
util.Print(colors.Yellow("NOTE: This will not reflect the state of the remote unless you have just run `depman install`."))
set = make(map[string]string)
}
for name, d := range deps.Map {
var subPath string
var depsFile string
var subDeps dep.DependencyMap
if _, ok := set[d.Repo]; ok {
continue
}
if d.Type == dep.TypeGitClone && d.Alias == "" {
util.PrintIndent(colors.Red("Error: Repo '" + name + "' Type '" + d.Type + "' requires 'alias' field (defined in " + deps.Path + ")"))
continue
}
{
var temp string
temp, err = d.VCS.GetHead(d)
if err != nil {
util.Fatal(err)
}
set[d.Repo] = temp
result += fmt.Sprintf("%s %s\n", d.Repo, temp)
}
subPath = d.Path()
// Recursive
depsFile = util.UpwardFind(subPath, dep.DepsFile)
if depsFile != "" {
subDeps, err = dep.Read(depsFile)
if err == nil {
result += ReadRecursively(subDeps, set)
} else {
util.Print(colors.Yellow("Error reading deps from '" + subDeps.Path + "': " + err.Error()))
}
}
}
return
}
//GetHead - Render a revspec to a commit ID
func (h *Hg) GetHead(d *Dependency) (hash string, err error) {
var pwd string
pwd = util.Pwd()
util.Cd(d.Path())
{
var out_bytes []byte
out_bytes, err = exec.Command("hg", "id", "-i", d.Version).CombinedOutput()
hash = strings.TrimSuffix(string(out_bytes), "\n")
}
util.Cd(pwd)
if err != nil {
util.Print("pwd: " + util.Pwd())
util.PrintIndent(colors.Red("hg id -i " + d.Version))
util.PrintIndent(colors.Red(hash))
util.PrintIndent(colors.Red(err.Error()))
util.Fatal("")
}
return
}
// Path returns the path to the deps.json file that this DependencyMap was read from
func (d *Dependency) Path() (p string) {
goPath := os.Getenv("GOPATH")
if strings.TrimSpace(goPath) == "" {
log.Fatal(colors.Red("You must set GOPATH"))
}
p = filepath.Join(goPath, "src")
if d.Alias == "" {
p = filepath.Join(p, d.Repo)
} else {
p = filepath.Join(p, d.Alias)
}
return
}
// Print displays a message if a newer version of depman is available
// this should only be called after Check()
func Print() {
if !checkCalled {
util.Fatal(colors.Red("You must call upgrade.Check() before upgrade.Print()"))
}
// if the command used was self-upgrade, we can just return
if selfCalled {
return
}
ref := <-channel
if checkError != nil {
util.Verbose(colors.Yellow("Upgrade Check Error: " + checkError.Error()))
}
if ref != none {
fmt.Println(colors.Yellow(fmt.Sprintf(message, ref)))
}
}
// 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")
}
}
// Update rewrites Dependency name in deps.json to use the last commit in branch as version
func Update(deps dep.DependencyMap, name string, branch string) {
util.Print(colors.Blue("Updating:"))
d, ok := deps.Map[name]
if !ok {
util.Fatal(colors.Red("Dependency Name '" + name + "' not found in deps.json"))
}
// record the old version
oldVersion := d.Version
// temporarily use the branch
d.Version = branch
pwd := util.Pwd()
util.Cd(d.Path())
d.VCS.Checkout(d)
d.VCS.Update(d)
// get the last commit on the newly checked out branch
v, err := d.VCS.LastCommit(d, branch)
if err != nil {
util.Fatal(err)
}
// set the version to be the last commit
d.Version = v
util.PrintIndent(colors.Blue(name) + " (" + oldVersion + " --> " + d.Version + ")")
util.Cd(pwd)
deps.Map[name] = d
deps.Write()
install.Install(deps)
}
// Clean cleans a git repo: `git reset --hard HEAD ; git clean -fd`
func (g *Git) Clean(d *Dependency) {
util.PrintIndent(colors.Red("Cleaning:") + colors.Blue(" git reset --hard HEAD"))
util.RunCommand("git reset --hard HEAD")
util.RunCommand("git clean -fd")
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
}
// GoPathIsSet causes the program to exit(1) if $GOPATH is not set
func GoPathIsSet() {
goPath := os.Getenv("GOPATH")
if strings.TrimSpace(goPath) == "" {
log.Fatal(colors.Red("You must set GOPATH"))
}
}
// CheckPath causes the application to exit if path does not exist
func CheckPath(path string) {
if !Exists(path) {
Fatal(colors.Red("Could not find '" + path + "' are you in the right directory?"))
}
}
func (h *Hg) Clean(d *Dependency) {
util.PrintIndent(colors.Red("Cleaning:") + colors.Blue(" hg up --clean "+d.Version))
util.RunCommand("hg up --clean " + d.Version)
return
}
