reformat code (#2019)

* reformat code

This is mostly an automated change with `make lint`.
I had to manually please golangci-lint in routes_test because of a short
variable name.

* fix start -> strategy which was wrongly corrected by linter

hscontrol/db/db.go

@@ -13,13 +13,12 @@ import (
 
 	"github.com/glebarez/sqlite"
 	"github.com/go-gormigrate/gormigrate/v2"
+	"github.com/juanfont/headscale/hscontrol/types"
+	"github.com/juanfont/headscale/hscontrol/util"
 	"github.com/rs/zerolog/log"
 	"gorm.io/driver/postgres"
 	"gorm.io/gorm"
 	"gorm.io/gorm/logger"
-
-	"github.com/juanfont/headscale/hscontrol/types"
-	"github.com/juanfont/headscale/hscontrol/util"
 )
 
 var errDatabaseNotSupported = errors.New("database type not supported")
@@ -331,7 +330,7 @@ func NewHeadscaleDatabase(
 				// IP v4 and v6 column.
 				// Note that previously, the list _could_ contain more
 				// than two addresses, which should not really happen.
-				// In that case, the first occurence of each type will
+				// In that case, the first occurrence of each type will
 				// be kept.
 				ID: "2024041121742",
 				Migrate: func(tx *gorm.DB) error {

hscontrol/db/ip.go

@@ -76,7 +76,6 @@ func NewIPAllocator(
 		if err != nil {
 			return nil, fmt.Errorf("reading IPv6 addresses from database: %w", err)
 		}
-
 	}
 
 	var ips netipx.IPSetBuilder

hscontrol/db/ip_test.go

@@ -18,9 +18,11 @@ var mpp = func(pref string) *netip.Prefix {
 	p := netip.MustParsePrefix(pref)
 	return &p
 }
+
 var na = func(pref string) netip.Addr {
 	return netip.MustParseAddr(pref)
 }
+
 var nap = func(pref string) *netip.Addr {
 	n := na(pref)
 	return &n

hscontrol/db/node_test.go

@@ -12,16 +12,15 @@ import (
 	"time"
 
 	"github.com/google/go-cmp/cmp"
+	"github.com/juanfont/headscale/hscontrol/policy"
+	"github.com/juanfont/headscale/hscontrol/types"
+	"github.com/juanfont/headscale/hscontrol/util"
 	"github.com/puzpuzpuz/xsync/v3"
 	"github.com/stretchr/testify/assert"
 	"gopkg.in/check.v1"
 	"tailscale.com/tailcfg"
 	"tailscale.com/types/key"
 	"tailscale.com/types/ptr"
-
-	"github.com/juanfont/headscale/hscontrol/policy"
-	"github.com/juanfont/headscale/hscontrol/types"
-	"github.com/juanfont/headscale/hscontrol/util"
 )
 
 func (s *Suite) TestGetNode(c *check.C) {

hscontrol/db/policy.go

@@ -1,12 +1,11 @@
 package db
 
 import (
-	"gorm.io/gorm"
-	"gorm.io/gorm/clause"
-
 	"errors"
 
 	"github.com/juanfont/headscale/hscontrol/types"
+	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
 )
 
 // SetPolicy sets the policy in the database.

hscontrol/db/routes.go

@@ -542,7 +542,6 @@ func failoverRoute(
 	isLikelyConnected *xsync.MapOf[types.NodeID, bool],
 	routeToReplace *types.Route,
 	altRoutes types.Routes,
-
 ) *failover {
 	if routeToReplace == nil {
 		return nil

hscontrol/db/routes_test.go

@@ -285,25 +285,30 @@ func (s *Suite) TestDeleteRoutes(c *check.C) {
 	c.Assert(len(enabledRoutes1), check.Equals, 1)
 }
 
-var ipp = func(s string) types.IPPrefix { return types.IPPrefix(netip.MustParsePrefix(s)) }
-var n = func(nid types.NodeID) types.Node {
-	return types.Node{ID: nid}
-}
+var (
+	ipp    = func(s string) types.IPPrefix { return types.IPPrefix(netip.MustParsePrefix(s)) }
+	mkNode = func(nid types.NodeID) types.Node {
+		return types.Node{ID: nid}
+	}
+)
+
 var np = func(nid types.NodeID) *types.Node {
-	no := n(nid)
+	no := mkNode(nid)
 	return &no
 }
+
 var r = func(id uint, nid types.NodeID, prefix types.IPPrefix, enabled, primary bool) types.Route {
 	return types.Route{
 		Model: gorm.Model{
 			ID: id,
 		},
-		Node:      n(nid),
+		Node:      mkNode(nid),
 		Prefix:    prefix,
 		Enabled:   enabled,
 		IsPrimary: primary,
 	}
 }
+
 var rp = func(id uint, nid types.NodeID, prefix types.IPPrefix, enabled, primary bool) *types.Route {
 	ro := r(id, nid, prefix, enabled, primary)
 	return &ro