// Generates a vendor.pri inside vendorDir using the information contained in the package file
// and the dependencies
func GenerateVendorPri(vendorDir string, pkg *common.PackageWrapper) error {
depMap, err := common.LoadPackages(vendorDir)
if err != nil {
return err
}
var deps []*common.PackageWrapper
for _, dep := range depMap {
deps = append(deps, dep)
}
vendorPriFile := filepath.Join(vendorDir, core.Vendor+".pri")
data := struct {
VendorDir string
Package *common.PackageWrapper
Dependencies []*common.PackageWrapper
}{
vendorDir,
pkg,
deps,
}
return core.WriteTemplate(vendorPriFile, vendorPri, data)
}
func (u *UninstallCommand) Run() error {
packageName := u.fs.Arg(0)
if packageName == "" {
err := fmt.Errorf("Must supply a package to uninstall")
u.Error(err)
return err
}
dependencyMap, err := common.LoadPackages(u.vendorDir)
if err != nil {
u.Error(err)
return err
}
toRemove, exists := dependencyMap[packageName]
if !exists {
err := fmt.Errorf("Package %s was not found", packageName)
u.Error(err)
return err
}
// Does the current directory contain a package file that needs updating?
pkg, err := common.LoadPackage("")
if err != nil && !os.IsNotExist(err) {
u.Error(err)
return err
} else if err == nil {
pkg.RemoveDependency(toRemove)
if err := pkg.Save(); err != nil {
u.Error(err)
return err
}
}
fmt.Println("Uninstalling", toRemove.Name)
// Final step is to delete the dependency's directory. This should
// be done last since after this step, the info about the package is
// gone.
if err := os.RemoveAll(toRemove.RootDir()); err != nil {
u.Error(err)
return err
}
// Cleanup empty leaf directories in parent dirs
dir := path.Clean(toRemove.RootDir() + "/..")
for dir != u.vendorDir {
if _, empty := u.isEmpty(dir); empty {
os.Remove(dir)
}
dir = path.Clean(dir + "/..")
}
// Regenerate vendor.pri
if err := GenerateVendorPri(u.vendorDir, pkg); err != nil {
u.Error(err)
return err
}
return nil
}