Example #1
0
func runUpdate(jirix *jiri.X, _ []string) error {
	seq := jirix.NewSeq()
	// Create the $JIRI_ROOT/.jiri_root directory if it doesn't already exist.
	//
	// TODO(toddw): Remove this logic after the transition to .jiri_root is done.
	// The bootstrapping logic should create this directory, and jiri should fail
	// if the directory doesn't exist.
	if err := seq.MkdirAll(jirix.RootMetaDir(), 0755).Done(); err != nil {
		return err
	}

	// Update all projects to their latest version.
	// Attempt <attemptsFlag> times before failing.
	updateFn := func() error { return project.UpdateUniverse(jirix, gcFlag) }
	if err := retry.Function(jirix.Context, updateFn, retry.AttemptsOpt(attemptsFlag)); err != nil {
		return err
	}
	if err := project.WriteUpdateHistorySnapshot(jirix, ""); err != nil {
		return err
	}

	// Only attempt the bin dir transition after the update has succeeded, to
	// avoid messy partial states.
	return project.TransitionBinDir(jirix)
}
Example #2
0
func testTransitionBinDir(jirix *jiri.X, test binDirTest) (e error) {
	oldDir, newDir := filepath.Join(jirix.Root, "devtools", "bin"), jirix.BinDir()
	// The new bin dir always exists.
	if err := os.MkdirAll(newDir, 0777); err != nil {
		return fmt.Errorf("make new dir failed: %v", err)
	}
	if err := test.Setup(oldDir, newDir); err != nil {
		return fmt.Errorf("setup failed: %v", err)
	}
	if test.Teardown != nil {
		defer func() {
			if err := test.Teardown(oldDir, newDir); err != nil && e == nil {
				e = fmt.Errorf("teardown failed: %v", err)
			}
		}()
	}
	oldInfo, _ := os.Stat(oldDir)
	switch err := project.TransitionBinDir(jirix); {
	case err != nil && test.Error == "":
		return fmt.Errorf("got error %q, want success", err)
	case err != nil && !strings.Contains(fmt.Sprint(err), test.Error):
		return fmt.Errorf("got error %q, want prefix %q", err, test.Error)
	case err == nil && test.Error != "":
		return fmt.Errorf("got no error, want %q", test.Error)
	case err == nil && test.Error == "":
		// Make sure the symlink exists and is correctly linked.
		link, err := os.Readlink(oldDir)
		if err != nil {
			return fmt.Errorf("old dir isn't a symlink: %v", err)
		}
		if got, want := link, newDir; got != want {
			return fmt.Errorf("old dir symlink got %v, want %v", got, want)
		}
		if test.CheckBackup {
			// Make sure the oldDir was backed up correctly.
			backupDir := filepath.Join(jirix.RootMetaDir(), "bin.BACKUP")
			backupInfo, err := os.Stat(backupDir)
			if err != nil {
				return fmt.Errorf("stat backup dir failed: %v", err)
			}
			if !os.SameFile(oldInfo, backupInfo) {
				return fmt.Errorf("old dir wasn't backed up correctly")
			}
		}
	}
	return nil
}