Add a new command doctor to check if some wrong configurations on git…

…ea instance

cmd/doctor.go

@@ -5,9 +5,15 @@
 package cmd
 
 import (
- "github.com/urfave/cli"
+ "bufio"
+ "fmt"
+ "os"
+ "os/exec"
+ "path/filepath"
+ "strings"
 
  "code.gitea.io/gitea/modules/setting"
+ "github.com/urfave/cli"
 )
 
 // CmdDoctor represents the available doctor sub-command.
@@ -18,14 +24,95 @@ var CmdDoctor = cli.Command{
  Action: runDoctor,
 }
 
+type check struct {
+ title string
+ f func(ctx *cli.Context) ([]string, error)
+}
+
+var checklist = []check{
+ {
+ title: "Check if openssh authorized_keys file correct",
+ f: runDoctorLocationMoved,
+ },
+}
+
 func runDoctor(ctx *cli.Context) error {
  if err := initDB(); err != nil {
  return err
  }
 
- runDoctorLocationMoved(ctx)
+ for i, check := range checklist {
+ fmt.Println("[", i+1, "]", check.title)
+ fmt.Println()
+ if messages, err := check.f(ctx); err != nil {
+ fmt.Println("Error:", err)
+ } else if len(messages) > 0 {
+ for _, message := range messages {
+ fmt.Println("-", message)
+ }
+ } else {
+ fmt.Println("OK.")
+ }
+ fmt.Println()
+ }
+ return nil
+}
+
+func exePath() (string, error) {
+ file, err := exec.LookPath(os.Args[0])
+ if err != nil {
+ return "", err
+ }
+ return filepath.Abs(file)
 }
 
-func runDoctorLocationMoved(ctx *cliContext) {
- setting.RepoRootPath
+func runDoctorLocationMoved(ctx *cli.Context) ([]string, error) {
+ if setting.SSH.StartBuiltinServer {
+ return nil, nil
+ }
+
+ fPath := filepath.Join(setting.SSH.RootPath, "authorized_keys")
+ f, err := os.Open(fPath)
+ if err != nil {
+ return nil, err
+ }
+ defer f.Close()
+
+ var firstline string
+ scanner := bufio.NewScanner(f)
+ for scanner.Scan() {
+ firstline = scanner.Text()
+ if !strings.HasPrefix(firstline, "#") {
+ break
+ }
+ }
+
+ // command="/Volumes/data/Projects/gitea/gitea/gitea --config
+ if len(firstline) > 0 {
+ var start, end int
+ for i, c := range firstline {
+ if c == ' ' {
+ end = i
+ break
+ } else if c == '"' {
+ start = i + 1
+ }
+ }
+ if start > 0 && end > 0 {
+ p, err := exePath()
+ if err != nil {
+ return nil, err
+ }
+ p, err = filepath.Abs(p)
+ if err != nil {
+ return nil, err
+ }
+
+ if firstline[start:end] != p {
+ return []string{fmt.Sprintf("Wants %s but %s on %s", p, firstline[start:end], fPath)}, nil
+ }
+ }
+ }
+
+ return nil, nil
 }

main.go

@@ -68,6 +68,7 @@ arguments - which can alternatively be run by running the subcommand web.`
  cmd.CmdMigrate,
  cmd.CmdKeys,
  cmd.CmdConvert,
+ cmd.CmdDoctor,
  }
  // Now adjust these commands to add our global configuration options