Pull request 2111: 6545-schema-version

Updates #6545.

Squashed commit of the following:

commit b1969128a99ff21c97feb4e7805b4b8133d7122f
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Dec 15 20:04:37 2023 +0300

    home: fix import

commit 872ccea1491a8da76cc24db79247438d0ce4d256
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Dec 15 20:01:15 2023 +0300

    all: output schema version

CHANGELOG.md

@@ -25,6 +25,9 @@ NOTE: Add new changes BELOW THIS COMMENT.
 
 ### Added
 
+- The schema version of the configuration file to the output of running
+  `AdGuardHome` (or `AdGuardHome.exe) with `-v --version` command-line options
+  ([#6545]).
 - Ability to disable plain-DNS serving via UI if an encrypted protocol is
   already used ([#1660]).
 
@@ -34,6 +37,7 @@ NOTE: Add new changes BELOW THIS COMMENT.
   work on iOS ([#6352]).
 
 [#6352]: https://github.com/AdguardTeam/AdGuardHome/issues/6352
+[#6545]: https://github.com/AdguardTeam/AdGuardHome/issues/6545
 
 <!--
 NOTE: Add new changes ABOVE THIS COMMENT.

internal/configmigrate/configmigrate.go

@@ -0,0 +1,5 @@
+// Package configmigrate provides a way to upgrade the YAML configuration file.
+package configmigrate
+
+// LastSchemaVersion is the most recent schema version.
+const LastSchemaVersion uint = 27

internal/configmigrate/migrations_internal_test.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 import (
 	"testing"

internal/configmigrate/migrator.go

@@ -1,5 +1,4 @@
-// Package confmigrate provides a way to upgrade the YAML configuration file.
+package configmigrate
-package confmigrate
 
 import (
 	"bytes"
@@ -9,9 +8,6 @@ import (
 	yaml "gopkg.in/yaml.v3"
 )
 
-// LastSchemaVersion is the most recent schema version.
-const LastSchemaVersion uint = 27
-
 // Config is a the configuration for initializing a [Migrator].
 type Config struct {
 	// WorkingDir is an absolute path to the working directory of AdGuardHome.

internal/configmigrate/migrator_test.go

@@ -1,4 +1,4 @@
-package confmigrate_test
+package configmigrate_test
 
 import (
 	"io/fs"
@@ -6,7 +6,7 @@ import (
 	"path"
 	"testing"
 
-	"github.com/AdguardTeam/AdGuardHome/internal/confmigrate"
+	"github.com/AdguardTeam/AdGuardHome/internal/configmigrate"
 	"github.com/AdguardTeam/golibs/testutil"
 	"github.com/stretchr/testify/require"
 	"golang.org/x/crypto/bcrypt"
@@ -200,7 +200,7 @@ func TestMigrateConfig_Migrate(t *testing.T) {
 			wantBody, err := fs.ReadFile(testdata, path.Join(t.Name(), outputFileName))
 			require.NoError(t, err)
 
-			migrator := confmigrate.New(&confmigrate.Config{
+			migrator := configmigrate.New(&configmigrate.Config{
 				WorkingDir: t.Name(),
 			})
 			newBody, upgraded, err := migrator.Migrate(body, tc.targetVersion)

internal/configmigrate/v1.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 import (
 	"os"

internal/configmigrate/v10.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 import (
 	"fmt"

internal/configmigrate/v11.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 // migrateTo11 performs the following changes:
 //

internal/configmigrate/v12.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 import (
 	"time"

internal/configmigrate/v13.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 // migrateTo13 performs the following changes:
 //

internal/configmigrate/v14.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 // migrateTo14 performs the following changes:
 //

internal/configmigrate/v15.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 // migrateTo15 performs the following changes:
 //

internal/configmigrate/v16.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 // migrateTo16 performs the following changes:
 //

internal/configmigrate/v17.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 // migrateTo17 performs the following changes:
 //

internal/configmigrate/v18.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 // migrateTo18 performs the following changes:
 //

internal/configmigrate/v19.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 import "github.com/AdguardTeam/golibs/log"
 

internal/configmigrate/v2.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 import (
 	"os"

internal/configmigrate/v20.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 import (
 	"time"

internal/configmigrate/v21.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 // migrateTo21 performs the following changes:
 //

internal/configmigrate/v22.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 import (
 	"fmt"

internal/configmigrate/v23.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 import (
 	"fmt"

internal/configmigrate/v24.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 // migrateTo24 performs the following changes:
 //

internal/configmigrate/v25.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 // migrateTo25 performs the following changes:
 //

internal/configmigrate/v26.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 // migrateTo26 performs the following changes:
 //

internal/configmigrate/v27.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 // migrateTo27 performs the following changes:
 //

internal/configmigrate/v3.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 // migrateTo3 performs the following changes:
 //

internal/configmigrate/v4.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 // migrateTo4 performs the following changes:
 //

internal/configmigrate/v5.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 import (
 	"fmt"

internal/configmigrate/v6.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 import "fmt"
 

internal/configmigrate/v7.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 // migrateTo7 performs the following changes:
 //

internal/configmigrate/v8.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 // migrateTo8 performs the following changes:
 //

internal/configmigrate/v9.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 // migrateTo9 performs the following changes:
 //

internal/configmigrate/yaml.go

@@ -1,4 +1,4 @@
-package confmigrate
+package configmigrate
 
 import (
 	"fmt"

internal/home/config.go

@@ -10,7 +10,7 @@ import (
 
 	"github.com/AdguardTeam/AdGuardHome/internal/aghalg"
 	"github.com/AdguardTeam/AdGuardHome/internal/aghtls"
-	"github.com/AdguardTeam/AdGuardHome/internal/confmigrate"
+	"github.com/AdguardTeam/AdGuardHome/internal/configmigrate"
 	"github.com/AdguardTeam/AdGuardHome/internal/dhcpd"
 	"github.com/AdguardTeam/AdGuardHome/internal/dnsforward"
 	"github.com/AdguardTeam/AdGuardHome/internal/filtering"
@@ -149,7 +149,7 @@ type configuration struct {
 	sync.RWMutex `yaml:"-"`
 
 	// SchemaVersion is the version of the configuration schema.  See
-	// [confmigrate.LastSchemaVersion].
+	// [configmigrate.LastSchemaVersion].
 	SchemaVersion uint `yaml:"schema_version"`
 }
 
@@ -434,7 +434,7 @@ var config = &configuration{
 		MaxAge:     3,
 	},
 	OSConfig:      &osConfig{},
-	SchemaVersion: confmigrate.LastSchemaVersion,
+	SchemaVersion: configmigrate.LastSchemaVersion,
 	Theme:         ThemeAuto,
 }
 
@@ -479,14 +479,14 @@ func parseConfig() (err error) {
 		return err
 	}
 
-	migrator := confmigrate.New(&confmigrate.Config{
+	migrator := configmigrate.New(&configmigrate.Config{
 		WorkingDir: Context.workDir,
 	})
 
 	var upgraded bool
 	config.fileData, upgraded, err = migrator.Migrate(
 		config.fileData,
-		confmigrate.LastSchemaVersion,
+		configmigrate.LastSchemaVersion,
 	)
 	if err != nil {
 		// Don't wrap the error, because it's informative enough as is.

internal/home/options.go

@@ -7,6 +7,7 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/AdguardTeam/AdGuardHome/internal/configmigrate"
 	"github.com/AdguardTeam/AdGuardHome/internal/version"
 	"github.com/AdguardTeam/golibs/log"
 	"github.com/AdguardTeam/golibs/stringutil"
@@ -308,7 +309,7 @@ var cmdLineOpts = []cmdLineOpt{{
 	effect: func(o options, exec string) (effect, error) {
 		return func() error {
 			if o.verbose {
-				fmt.Println(version.Verbose())
+				fmt.Print(version.Verbose(configmigrate.LastSchemaVersion))
 			} else {
 				fmt.Println(version.Full())
 			}

internal/next/cmd/opt.go

@@ -10,6 +10,7 @@ import (
 	"os"
 	"strings"
 
+	"github.com/AdguardTeam/AdGuardHome/internal/configmigrate"
 	"github.com/AdguardTeam/AdGuardHome/internal/next/configmgr"
 	"github.com/AdguardTeam/AdGuardHome/internal/version"
 	"github.com/AdguardTeam/golibs/log"
@@ -382,7 +383,7 @@ func processOptions(
 
 	if opts.version {
 		if opts.verbose {
-			fmt.Println(version.Verbose())
+			fmt.Print(version.Verbose(configmigrate.LastSchemaVersion))
 		} else {
 			fmt.Printf("AdGuard Home %s\n", version.Version())
 		}

internal/version/version.go

@@ -98,6 +98,7 @@ func fmtModule(m *debug.Module) (formatted string) {
 const (
 	vFmtAGHHdr       = "AdGuard Home"
 	vFmtVerHdr       = "Version: "
+	vFmtSchemaVerHdr = "Schema version: "
 	vFmtChanHdr      = "Channel: "
 	vFmtGoHdr        = "Go version: "
 	vFmtTimeHdr      = "Commit time: "
@@ -113,6 +114,7 @@ const (
 //
 //	AdGuard Home
 //	Version: v0.105.3
+//	Schema version: 27
 //	Channel: development
 //	Go version: go1.15.3
 //	Build time: 2021-03-30T16:26:08Z+0300
@@ -125,34 +127,31 @@ const (
 //	        ...
 //
 // TODO(e.burkov): Make it write into passed io.Writer.
-func Verbose() (v string) {
+func Verbose(schemaVersion uint) (v string) {
 	b := &strings.Builder{}
 
 	const nl = "\n"
-	stringutil.WriteToBuilder(
+	stringutil.WriteToBuilder(b, vFmtAGHHdr, nl)
-		b,
+	stringutil.WriteToBuilder(b, vFmtVerHdr, version, nl)
-		vFmtAGHHdr,
+
-		nl,
+	schemaVerStr := strconv.FormatUint(uint64(schemaVersion), 10)
-		vFmtVerHdr,
+	stringutil.WriteToBuilder(b, vFmtSchemaVerHdr, schemaVerStr, nl)
-		version,
+
-		nl,
+	stringutil.WriteToBuilder(b, vFmtChanHdr, channel, nl)
-		vFmtChanHdr,
+	stringutil.WriteToBuilder(b, vFmtGoHdr, runtime.Version(), nl)
-		channel,
-		nl,
-		vFmtGoHdr,
-		runtime.Version(),
-	)
 
 	writeCommitTime(b)
 
-	stringutil.WriteToBuilder(b, nl, vFmtGOOSHdr, nl, vFmtGOARCHHdr)
+	stringutil.WriteToBuilder(b, vFmtGOOSHdr, nl)
+	stringutil.WriteToBuilder(b, vFmtGOARCHHdr, nl)
+
 	if goarm != "" {
-		stringutil.WriteToBuilder(b, nl, vFmtGOARMHdr, "v", goarm)
+		stringutil.WriteToBuilder(b, vFmtGOARMHdr, "v", goarm, nl)
 	} else if gomips != "" {
-		stringutil.WriteToBuilder(b, nl, vFmtGOMIPSHdr, gomips)
+		stringutil.WriteToBuilder(b, vFmtGOMIPSHdr, gomips, nl)
 	}
 
-	stringutil.WriteToBuilder(b, nl, vFmtRaceHdr, strconv.FormatBool(isRace))
+	stringutil.WriteToBuilder(b, vFmtRaceHdr, strconv.FormatBool(isRace), nl)
 
 	info, ok := debug.ReadBuildInfo()
 	if !ok {
@@ -163,10 +162,10 @@ func Verbose() (v string) {
 		return b.String()
 	}
 
-	stringutil.WriteToBuilder(b, nl, vFmtDepsHdr)
+	stringutil.WriteToBuilder(b, vFmtDepsHdr, nl)
 	for _, dep := range info.Deps {
 		if depStr := fmtModule(dep); depStr != "" {
-			stringutil.WriteToBuilder(b, "\n\t", depStr)
+			stringutil.WriteToBuilder(b, "\t", depStr, nl)
 		}
 	}
 
@@ -180,8 +179,8 @@ func writeCommitTime(b *strings.Builder) {
 
 	commitTimeUnix, err := strconv.ParseInt(committime, 10, 64)
 	if err != nil {
-		stringutil.WriteToBuilder(b, "\n", vFmtTimeHdr, fmt.Sprintf("parse error: %s", err))
+		stringutil.WriteToBuilder(b, vFmtTimeHdr, fmt.Sprintf("parse error: %s", err), "\n")
 	} else {
-		stringutil.WriteToBuilder(b, "\n", vFmtTimeHdr, time.Unix(commitTimeUnix, 0).String())
+		stringutil.WriteToBuilder(b, vFmtTimeHdr, time.Unix(commitTimeUnix, 0).String(), "\n")
 	}
 }

scripts/make/go-lint.sh

@@ -211,7 +211,7 @@ run_linter gocognit --over='10'\
 	./internal/aghtest/\
 	./internal/arpdb/\
 	./internal/client/\
-	./internal/confmigrate/\
+	./internal/configmigrate/\
 	./internal/dhcpsvc\
 	./internal/dnsforward/\
 	./internal/filtering/hashprefix/\
@@ -250,7 +250,7 @@ run_linter fieldalignment \
 	./internal/aghtls/\
 	./internal/arpdb/\
 	./internal/client/\
-	./internal/confmigrate/\
+	./internal/configmigrate/\
 	./internal/dhcpsvc/\
 	./internal/filtering/hashprefix/\
 	./internal/filtering/rewrite/\
@@ -280,7 +280,7 @@ run_linter gosec --quiet\
 	./internal/aghtest/\
 	./internal/arpdb/\
 	./internal/client/\
-	./internal/confmigrate/\
+	./internal/configmigrate/\
 	./internal/dhcpd/\
 	./internal/dhcpsvc/\
 	./internal/dnsforward/\