func (s *Set) UnmarshalText(text []byte) error {
lines := bufio.NewScanner(bytes.NewReader(text))
for lines.Scan() {
words := bufio.NewScanner(bytes.NewReader(lines.Bytes()))
words.Split(bufio.ScanWords)
count := 0
dep := dependency.Dependency{}
for words.Scan() {
if strings.HasPrefix(words.Text(), "#") {
break
}
if count == 0 {
dep.Path = words.Text()
} else if count == 1 {
if words.Text() == "*" {
dep.BleedingEdge = true
} else {
dep.Version = words.Text()
}
} else if count == 2 {
dep.Tags = strings.Split(words.Text(), ",")
}
count++
}
if count == 0 {
// blank line
continue
}
if count == 1 {
return MissingVersionError{dep.Path}
}
// check for dupes
for _, existing := range s.Dependencies {
if strings.HasPrefix(dep.Path+"/", existing.Path+"/") {
return DuplicateDependencyError{existing, dep}
}
if strings.HasPrefix(existing.Path+"/", dep.Path+"/") {
return DuplicateDependencyError{existing, dep}
}
}
s.Dependencies = append(s.Dependencies, dep)
}
return nil
}
func (f *Fetcher) Fetch(dep dependency.Dependency) (dependency.Dependency, error) {
var goGet *exec.Cmd
repoPath := dep.FullPath(f.gopath)
lockDown := true
updateRepo := false
if dep.BleedingEdge {
// update the repo only if bleeding-edge and repo is clean
if _, err := os.Stat(repoPath); err == nil {
lockDown = false
repo, err := repository.New(repoPath, f.runner)
if err != nil {
return dependency.Dependency{}, err
}
statusOut, err := repo.Status()
if err != nil {
return dependency.Dependency{}, err
}
if len(statusOut) == 0 {
updateRepo = true
}
}
}
if updateRepo {
goGet = exec.Command("go", "get", "-u", "-d", "-v", dep.Path)
} else {
goGet = exec.Command("go", "get", "-d", "-v", dep.Path)
}
err := f.runner.Run(goGet)
if err != nil {
return dependency.Dependency{}, err
}
repo, err := repository.New(repoPath, f.runner)
if err != nil {
return dependency.Dependency{}, err
}
if lockDown {
err := f.syncRepo(repo, dep.Version)
if err != nil {
return dependency.Dependency{}, err
}
}
currentVersion, err := repo.CurrentVersion()
if err != nil {
return dependency.Dependency{}, err
}
dep.Version = currentVersion
fetched, found := f.fetchedDependencies[dep.Path]
if found {
if fetched.Version != dep.Version {
return dependency.Dependency{}, VersionConflictError{
Path: dep.Path,
VersionA: fetched.Version,
VersionB: dep.Version,
}
}
} else {
f.fetchedDependencies[dep.Path] = dep
}
return dep, nil
}
