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// Copyright 2020 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package cmd
import (
"fmt"
"os"
"path/filepath"
"github.com/pingcap/tiup/pkg/environment"
"github.com/pingcap/tiup/pkg/utils"
"github.com/spf13/cobra"
)
func newUpdateCmd() *cobra.Command {
var all, nightly, force, self bool
cmd := &cobra.Command{
Use: "update [component1][:version] [component2..N]",
Short: "Update tiup components to the latest version",
Long: `Update some components to the latest version. Use --nightly
to update to the latest nightly version. Use --all to update all components
installed locally. Use <component>:<version> to update to the specified
version. Components will be ignored if the latest version has already been
installed locally, but you can use --force explicitly to overwrite an
existing installation. Use --self which is used to update TiUP to the
latest version. All other flags will be ignored if the flag --self is given.
$ tiup update --all # Update all components to the latest stable version
$ tiup update --nightly --all # Update all components to the latest nightly version
$ tiup update playground:v0.0.3 --force # Overwrite an existing local installation
$ tiup update --self # Update TiUP to the latest version`,
RunE: func(cmd *cobra.Command, components []string) error {
if (len(components) == 0 && !all && !force && !self) || (len(components) > 0 && all) {
return cmd.Help()
}
env := environment.GlobalEnv()
if self {
if err := checkTiUPBinary(env); err != nil {
return err
}
originFile := env.LocalPath("bin", "tiup")
renameFile := env.LocalPath("bin", "tiup.tmp")
if err := os.Rename(originFile, renameFile); err != nil {
fmt.Printf("Backup of `%s` to `%s` failed.\n", originFile, renameFile)
return err
}
var err error
defer func() {
if err != nil || utils.IsNotExist(originFile) {
if err := os.Rename(renameFile, originFile); err != nil {
fmt.Printf("Please rename `%s` to `%s` manually.\n", renameFile, originFile)
}
} else {
if err := os.Remove(renameFile); err != nil {
fmt.Printf("Please delete `%s` manually.\n", renameFile)
}
}
}()
err = env.SelfUpdate()
if err != nil {
return err
}
}
if force || all || len(components) > 0 {
err := updateComponents(env, components, nightly, force)
if err != nil {
return err
}
}
fmt.Println("Updated successfully!")
return nil
},
}
cmd.Flags().BoolVar(&all, "all", false, "Update all components")
cmd.Flags().BoolVar(&nightly, "nightly", false, "Update the components to nightly version")
cmd.Flags().BoolVar(&force, "force", false, "Force update a component to the latest version")
cmd.Flags().BoolVar(&self, "self", false, "Update tiup to the latest version")
return cmd
}
func updateComponents(env *environment.Environment, components []string, nightly, force bool) error {
if len(components) == 0 {
installed, err := env.Profile().InstalledComponents()
if err != nil {
return err
}
components = installed
}
return env.UpdateComponents(components, nightly, force)
}
// checkTiUPBinary check if TiUP exists in TiUP_HOME
func checkTiUPBinary(env *environment.Environment) error {
tiUPHomePath, _ := filepath.Abs(env.LocalPath("bin", "tiup"))
realTiUPPath, err := os.Executable()
if err != nil {
// Ignore the problem that the execution directory cannot be obtained
return nil
}
realTiUPPath, _ = filepath.Abs(realTiUPPath)
if utils.IsNotExist(tiUPHomePath) || tiUPHomePath != realTiUPPath {
fmt.Printf("Tiup install directory is: %s\n", filepath.Dir(realTiUPPath))
return fmt.Errorf("If you used some external package manager to install TiUP (e.g., brew), try upgrade with that")
}
return nil
}
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