// Update updates repos and the lock file from the main glide yaml.
func Update(installer *repo.Installer, skipRecursive bool) {
base := "."
EnsureGopath()
EnsureVendorDir()
conf := EnsureConfig()
installer.RootPackage = conf.Name
// Delete unused packages
if installer.DeleteUnused {
dependency.DeleteUnused(conf)
}
// Try to check out the initial dependencies.
if err := installer.Checkout(conf, false); err != nil {
msg.Die("Failed to do initial checkout of config: %s", err)
}
// Set the versions for the initial dependencies so that resolved dependencies
// are rooted in the correct version of the base.
if err := repo.SetReference(conf); err != nil {
msg.Die("Failed to set initial config references: %s", err)
}
// Prior to resolving dependencies we need to start working with a clone
// of the conf because we'll be making real changes to it.
confcopy := conf.Clone()
if !skipRecursive {
// Get all repos and update them.
err := installer.Update(confcopy)
if err != nil {
msg.Die("Could not update packages: %s", err)
}
// TODO: There is no support here for importing Godeps, GPM, and GB files.
// I think that all we really need to do now is hunt for these files, and then
// roll their version numbers into the config file.
// Set references. There may be no remaining references to set since the
// installer set them as it went to make sure it parsed the right imports
// from the right version of the package.
msg.Info("Setting references for remaining imports")
if err := repo.SetReference(confcopy); err != nil {
msg.Error("Failed to set references: %s (Skip to cleanup)", err)
}
}
// Vendored cleanup
// VendoredCleanup. This should ONLY be run if UpdateVendored was specified.
if installer.UpdateVendored {
repo.VendoredCleanup(confcopy)
}
// Write glide.yaml (Why? Godeps/GPM/GB?)
// I think we don't need to write a new Glide file because update should not
// change anything important. It will just generate information about
// transative dependencies, all of which belongs exclusively in the lock
// file, not the glide.yaml file.
// TODO(mattfarina): Detect when a new dependency has been added or removed
// from the project. A removed dependency should warn and an added dependency
// should be added to the glide.yaml file. See issue #193.
if !skipRecursive {
// Write lock
hash, err := conf.Hash()
if err != nil {
msg.Die("Failed to generate config hash. Unable to generate lock file.")
}
lock := cfg.NewLockfile(confcopy.Imports, hash)
if err := lock.WriteFile(filepath.Join(base, gpath.LockFile)); err != nil {
msg.Error("Could not write lock file to %s: %s", base, err)
return
}
msg.Info("Project relies on %d dependencies.", len(confcopy.Imports))
} else {
msg.Warn("Skipping lockfile generation because full dependency tree is not being calculated")
}
}
