fix lint and bump go.mod

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        go-version: ["1.19", "1.20"]
+        go-version: ["1.20"]
         os: [ubuntu-latest]
 
     runs-on: ${{ matrix.os }}

go.mod

@@ -1,6 +1,6 @@
 module github.com/pressly/goose/v4
 
-go 1.19
+go 1.20
 
 require (
 	github.com/ClickHouse/clickhouse-go/v2 v2.9.0

goose_test.go

@@ -14,7 +14,6 @@ import (
 	"strings"
 	"sync"
 	"testing"
-	"time"
 
 	_ "github.com/jackc/pgx/v5/stdlib"
 	_ "modernc.org/sqlite"
@@ -302,14 +301,14 @@ func newDBString(t *testing.T) string {
 	return fmt.Sprintf("sqlite:%s", filepath.Join(dir, name))
 }
 
+const alphanum = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
+
 func randName(n int) string {
-	const alphanum = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
-	bytes := make([]byte, n)
-	rand.Read(bytes)
-	for i, b := range bytes {
-		bytes[i] = alphanum[b%byte(len(alphanum))]
+	b := make([]byte, n)
+	for i := range b {
+		b[i] = alphanum[rand.Intn(len(alphanum))]
 	}
-	return string(bytes)
+	return string(b)
 }
 
 func countSQLFiles(t *testing.T, dir string) int {
@@ -347,7 +346,6 @@ func copyFile(t *testing.T, src, dest string) {
 }
 
 func randomPort() int {
-	rand.Seed(time.Now().UnixNano())
 	min, max := 32768, 61000
 	// Generate a random number within the range [min, max]
 	return rand.Intn(max-min+1) + min