fix: do not create and print out an unused new peerID when initializing from a config

cmd/ipfs/daemon.go

@@ -250,14 +250,20 @@ func daemonFunc(req *cmds.Request, re cmds.ResponseEmitter, env cmds.Environment
 			}
 		}
 
-		identity, err := config.CreateIdentity(os.Stdout, []options.KeyGenerateOption{
-			options.Key.Type(algorithmDefault),
-		})
-		if err != nil {
-			return err
+		if conf == nil {
+			identity, err := config.CreateIdentity(os.Stdout, []options.KeyGenerateOption{
+				options.Key.Type(algorithmDefault),
+			})
+			if err != nil {
+				return err
+			}
+			conf, err = config.InitWithIdentity(identity)
+			if err != nil {
+				return err
+			}
 		}
 
-		if err = doInit(os.Stdout, cctx.ConfigRoot, false, &identity, profiles, conf); err != nil {
+		if err = doInit(os.Stdout, cctx.ConfigRoot, false, profiles, conf); err != nil {
 			return err
 		}
 	}

cmd/ipfs/init.go

@@ -113,24 +113,30 @@ environment variable:
 			}
 		}
 
-		var err error
-		var identity config.Identity
-		if nBitsGiven {
-			identity, err = config.CreateIdentity(os.Stdout, []options.KeyGenerateOption{
-				options.Key.Size(nBitsForKeypair),
-				options.Key.Type(algorithm),
-			})
-		} else {
-			identity, err = config.CreateIdentity(os.Stdout, []options.KeyGenerateOption{
-				options.Key.Type(algorithm),
-			})
-		}
-		if err != nil {
-			return err
+		if conf == nil {
+			var err error
+			var identity config.Identity
+			if nBitsGiven {
+				identity, err = config.CreateIdentity(os.Stdout, []options.KeyGenerateOption{
+					options.Key.Size(nBitsForKeypair),
+					options.Key.Type(algorithm),
+				})
+			} else {
+				identity, err = config.CreateIdentity(os.Stdout, []options.KeyGenerateOption{
+					options.Key.Type(algorithm),
+				})
+			}
+			if err != nil {
+				return err
+			}
+			conf, err = config.InitWithIdentity(identity)
+			if err != nil {
+				return err
+			}
 		}
 
 		profiles, _ := req.Options[profileOptionName].(string)
-		return doInit(os.Stdout, cctx.ConfigRoot, empty, &identity, profiles, conf)
+		return doInit(os.Stdout, cctx.ConfigRoot, empty, profiles, conf)
 	},
 }
 
@@ -152,7 +158,7 @@ func applyProfiles(conf *config.Config, profiles string) error {
 	return nil
 }
 
-func doInit(out io.Writer, repoRoot string, empty bool, identity *config.Identity, confProfiles string, conf *config.Config) error {
+func doInit(out io.Writer, repoRoot string, empty bool, confProfiles string, conf *config.Config) error {
 	if _, err := fmt.Fprintf(out, "initializing IPFS node at %s\n", repoRoot); err != nil {
 		return err
 	}
@@ -165,18 +171,6 @@ func doInit(out io.Writer, repoRoot string, empty bool, identity *config.Identit
 		return errRepoExists
 	}
 
-	if identity == nil {
-		return fmt.Errorf("No Identity provided for initialization")
-	}
-
-	if conf == nil {
-		var err error
-		conf, err = config.InitWithIdentity(*identity)
-		if err != nil {
-			return err
-		}
-	}
-
 	if err := applyProfiles(conf, confProfiles); err != nil {
 		return err
 	}