| 29 | const PkgFileName = gx.PkgFileName |
| 30 | |
| 31 | func LoadPackageFile(path string) (*gx.Package, error) { |
| 32 | if path == PkgFileName { |
| 33 | root, err := gx.GetPackageRoot() |
| 34 | if err != nil { |
| 35 | return nil, err |
| 36 | } |
| 37 | |
| 38 | path = filepath.Join(root, PkgFileName) |
| 39 | } |
| 40 | |
| 41 | var pkg gx.Package |
| 42 | err := gx.LoadPackageFile(&pkg, path) |
| 43 | if err != nil { |
| 44 | return nil, err |
| 45 | } |
| 46 | |
| 47 | if pkg.GxVersion == "" { |
| 48 | pkg.GxVersion = gx.GxVersion |
| 49 | } |
| 50 | |
| 51 | if pkg.SubtoolRequired { |
| 52 | found, err := gx.IsSubtoolInstalled(pkg.Language) |
| 53 | if err != nil { |
| 54 | return nil, err |
| 55 | } |
| 56 | if !found { |
| 57 | return nil, fmt.Errorf("package requires a subtool (gx-%s) and none was found", pkg.Language) |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | dephashes := make(map[string]string) |
| 62 | for _, dep := range pkg.Dependencies { |
| 63 | if pkgname := dephashes[dep.Hash]; pkgname != "" { |
| 64 | return nil, fmt.Errorf("have two packages with a hash of %s (%s, %s)", dep.Hash, dep.Name, pkgname) |
| 65 | } |
| 66 | dephashes[dep.Hash] = dep.Name |
| 67 | } |
| 68 | |
| 69 | return &pkg, nil |
| 70 | } |
| 71 | |
| 72 | func main() { |
| 73 | cfg, err := gx.LoadConfig() |