gitea/cmd/fix.go
2014-11-25 22:48:04 -05:00

185 lines
4.0 KiB
Go

// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package cmd
import (
"bufio"
"fmt"
"io"
"io/ioutil"
"os"
"path"
"runtime"
"strings"
"github.com/Unknwon/com"
"github.com/codegangsta/cli"
"github.com/gogits/gogs/models"
"github.com/gogits/gogs/modules/setting"
)
var CmdFix = cli.Command{
Name: "fix",
Usage: "This command for upgrade from old version",
Action: runFix,
Subcommands: fixCommands,
Flags: []cli.Flag{},
}
func runFix(ctx *cli.Context) {
}
var fixCommands = []cli.Command{
{
Name: "location",
Usage: "Change Gogs app location",
Description: `Command location fixes location change of Gogs
gogs fix location <old Gogs path>
`,
Action: runFixLocation,
},
}
// rewriteAuthorizedKeys replaces old Gogs path to the new one.
func rewriteAuthorizedKeys(sshPath, oldPath, newPath string) error {
fr, err := os.Open(sshPath)
if err != nil {
return err
}
defer fr.Close()
tmpPath := sshPath + ".tmp"
fw, err := os.Create(tmpPath)
if err != nil {
return err
}
defer fw.Close()
oldPath = "command=\"" + oldPath + " serv"
newPath = "command=\"" + newPath + " serv"
buf := bufio.NewReader(fr)
for {
line, errRead := buf.ReadString('\n')
line = strings.TrimSpace(line)
if errRead != nil {
if errRead != io.EOF {
return errRead
}
// Reached end of file, if nothing to read then break,
// otherwise handle the last line.
if len(line) == 0 {
break
}
}
// Still finding the line, copy the line that currently read.
if _, err = fw.WriteString(strings.Replace(line, oldPath, newPath, 1) + "\n"); err != nil {
return err
}
if errRead == io.EOF {
break
}
}
if err = os.Remove(sshPath); err != nil {
return err
}
return os.Rename(tmpPath, sshPath)
}
func rewriteUpdateHook(path, appPath string) error {
if runtime.GOOS == "windows" {
rp := strings.NewReplacer("\\", "/")
appPath = "\"" + rp.Replace(appPath) + "\""
} else {
rp := strings.NewReplacer("\\", "/", " ", "\\ ")
appPath = rp.Replace(appPath)
}
if err := ioutil.WriteFile(path, []byte(fmt.Sprintf(models.TPL_UPDATE_HOOK,
setting.ScriptType, appPath)), os.ModePerm); err != nil {
return err
}
return nil
}
func walkDir(rootPath, recPath, appPath string, depth int) error {
depth++
if depth > 3 {
return nil
} else if depth == 3 {
if err := rewriteUpdateHook(path.Join(rootPath, "hooks/update"), appPath); err != nil {
return err
}
}
dir, err := os.Open(rootPath)
if err != nil {
return err
}
defer dir.Close()
fis, err := dir.Readdir(0)
if err != nil {
return err
}
for _, fi := range fis {
if strings.Contains(fi.Name(), ".DS_Store") {
continue
}
relPath := path.Join(recPath, fi.Name())
curPath := path.Join(rootPath, fi.Name())
if fi.IsDir() {
if err = walkDir(curPath, relPath, appPath, depth); err != nil {
return err
}
}
}
return nil
}
func runFixLocation(ctx *cli.Context) {
if len(ctx.Args()) != 1 {
fmt.Println("Incorrect arguments number, expect 1")
os.Exit(2)
}
execPath, _ := setting.ExecPath()
oldPath := ctx.Args().First()
fmt.Printf("Old location: %s\n", oldPath)
fmt.Println("This command should be executed in the new Gogs path")
fmt.Printf("Do you want to change Gogs app path from old location to:\n")
fmt.Printf("-> %s?\n", execPath)
fmt.Print("Press <enter> to continue, use <Ctrl+c> to exit.")
fmt.Scanln()
// Fix in authorized_keys file.
sshPath := path.Join(models.SshPath, "authorized_keys")
if com.IsFile(sshPath) {
fmt.Printf("Fixing pathes in file: %s\n", sshPath)
if err := rewriteAuthorizedKeys(sshPath, oldPath, execPath); err != nil {
fmt.Println(err)
os.Exit(1)
}
}
// Fix position in gogs-repositories.
setting.NewConfigContext()
fmt.Printf("Fixing pathes in repositories: %s\n", setting.RepoRootPath)
if err := walkDir(setting.RepoRootPath, "", execPath, 0); err != nil {
fmt.Println(err)
os.Exit(1)
}
fmt.Println("Fix position finished!")
}