Pull request 2195: upd-go-code

Squashed commit of the following:

commit a1bd3c249be043108c84a902d2e88bf80946d444
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Apr 4 14:59:37 2024 +0300

    all: upd more

commit 9e55bbb02c2af2064aa2a2ca7b49fd28b544a02c
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Apr 4 14:12:45 2024 +0300

    all: upd go code

internal/configmigrate/v15.go

@@ -1,5 +1,7 @@
 package configmigrate
 
+import "github.com/AdguardTeam/golibs/errors"
+
 // migrateTo15 performs the following changes:
 //
 //	# BEFORE:
@@ -43,7 +45,7 @@ func migrateTo15(diskConf yobj) (err error) {
 	}
 	diskConf["querylog"] = qlog
 
-	return coalesceError(
+	return errors.Join(
 		moveVal[bool](dns, qlog, "querylog_enabled", "enabled"),
 		moveVal[bool](dns, qlog, "querylog_file_enabled", "file_enabled"),
 		moveVal[any](dns, qlog, "querylog_interval", "interval"),

internal/configmigrate/v24.go

@@ -1,5 +1,7 @@
 package configmigrate
 
+import "github.com/AdguardTeam/golibs/errors"
+
 // migrateTo24 performs the following changes:
 //
 //	# BEFORE:
@@ -28,7 +30,7 @@ func migrateTo24(diskConf yobj) (err error) {
 	diskConf["schema_version"] = 24
 
 	logObj := yobj{}
-	err = coalesceError(
+	err = errors.Join(
 		moveVal[string](diskConf, logObj, "log_file", "file"),
 		moveVal[int](diskConf, logObj, "log_max_backups", "max_backups"),
 		moveVal[int](diskConf, logObj, "log_max_size", "max_size"),

internal/configmigrate/v26.go

@@ -1,5 +1,7 @@
 package configmigrate
 
+import "github.com/AdguardTeam/golibs/errors"
+
 // migrateTo26 performs the following changes:
 //
 //	# BEFORE:
@@ -78,7 +80,7 @@ func migrateTo26(diskConf yobj) (err error) {
 	}
 
 	filteringObj := yobj{}
-	err = coalesceError(
+	err = errors.Join(
 		moveSameVal[bool](dns, filteringObj, "filtering_enabled"),
 		moveSameVal[int](dns, filteringObj, "filters_update_interval"),
 		moveSameVal[bool](dns, filteringObj, "parental_enabled"),

internal/configmigrate/v7.go

@@ -1,5 +1,7 @@
 package configmigrate
 
+import "github.com/AdguardTeam/golibs/errors"
+
 // migrateTo7 performs the following changes:
 //
 //	# BEFORE:
@@ -37,7 +39,7 @@ func migrateTo7(diskConf yobj) (err error) {
 	}
 
 	dhcpv4 := yobj{}
-	err = coalesceError(
+	err = errors.Join(
 		moveSameVal[string](dhcp, dhcpv4, "gateway_ip"),
 		moveSameVal[string](dhcp, dhcpv4, "subnet_mask"),
 		moveSameVal[string](dhcp, dhcpv4, "range_start"),

internal/configmigrate/yaml.go

@@ -50,19 +50,3 @@ func moveVal[T any](src, dst yobj, srcKey, dstKey string) (err error) {
 func moveSameVal[T any](src, dst yobj, key string) (err error) {
 	return moveVal[T](src, dst, key, key)
 }
-
-// coalesceError returns the first non-nil error.  It is named after function
-// COALESCE in SQL.  If all errors are nil, it returns nil.
-//
-// TODO(e.burkov): Replace with [errors.Join].
-//
-// TODO(a.garipov): Think of ways to merge with [aghalg.Coalesce].
-func coalesceError(errors ...error) (res error) {
-	for _, err := range errors {
-		if err != nil {
-			return err
-		}
-	}
-
-	return nil
-}