Add go1.16 support

.github/workflows/pr.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.15
+          go-version: 1.16
       - name: Checkout code
         uses: actions/checkout@v2
       - name: Check go mod
@@ -41,7 +41,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.15 # test only the latest go version to speed up CI
+          go-version: 1.16 # test only the latest go version to speed up CI
       - name: Run tests
         run: make.exe test
         continue-on-error: true
@@ -53,7 +53,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.15 # test only the latest go version to speed up CI
+          go-version: 1.16 # test only the latest go version to speed up CI
       - name: Run tests
         run: make test
   tests-on-unix:
@@ -62,9 +62,9 @@ jobs:
     strategy:
       matrix:
         golang:
-          - 1.13
           - 1.14
           - 1.15
+          - 1.16
     steps:
       - uses: actions/checkout@v2
       - name: Install Go
@@ -92,6 +92,6 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.15
+          go-version: 1.16
       - name: Check generated files are up to date
         run: make fast_check_generated

.github/workflows/tag.yml

@@ -14,7 +14,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.15
+          go-version: 1.16
       - name: Unshallow
         run: git fetch --prune --unshallow
 
@@ -40,7 +40,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.15
+          go-version: 1.16
 
       - name: Unshallow
         run: git fetch --prune --unshallow

Makefile

@@ -44,7 +44,7 @@ fast_generate: assets/github-action-config.json
 
 fast_check_generated:
 	$(MAKE) --always-make fast_generate
-	git checkout -- go.mod go.sum # can differ between go1.12 and go1.13
+	git checkout -- go.mod go.sum # can differ between go1.15 and go1.16
 	git diff --exit-code # check no changes
 
 release: .goreleaser.yml tools/goreleaser
@@ -78,7 +78,8 @@ assets/demo.svg: tools/svg-term tools/Dracula.itermcolors
 	./tools/svg-term --cast=183662 --out assets/demo.svg --window --width 110 --height 30 --from 2000 --to 20000 --profile ./tools/Dracula.itermcolors --term iterm2
 
 assets/github-action-config.json: FORCE golangci-lint
-	go run ./scripts/gen_github_action_config/main.go $@
+	# go run ./scripts/gen_github_action_config/main.go $@
+	cd ./scripts/gen_github_action_config/; go run ./main.go ../../$@
 
 go.mod: FORCE
 	go mod tidy

build/Dockerfile

@@ -1,5 +1,5 @@
 # stage 1 building the code
-FROM golang:1.15 as builder
+FROM golang:1.16 as builder
 
 ARG VERSION
 ARG SHORT_COMMIT
@@ -10,7 +10,7 @@ WORKDIR /golangci
 RUN CGO_ENABLED=0 go build -trimpath -ldflags "-s -w -X main.version=$VERSION -X main.commit=$SHORT_COMMIT -X main.date=$DATE" -o golangci-lint ./cmd/golangci-lint/main.go
 
 # stage 2
-FROM golang:1.15
+FROM golang:1.16
 # don't place it into $GOPATH/bin because Drone mounts $GOPATH as volume
 COPY --from=builder /golangci/golangci-lint /usr/bin/
 CMD ["golangci-lint"]

build/Dockerfile.alpine

@@ -1,5 +1,5 @@
 # stage 1 building the code
-FROM golang:1.15-alpine as builder
+FROM golang:1.16-alpine as builder
 
 ARG VERSION
 ARG SHORT_COMMIT
@@ -15,7 +15,7 @@ RUN apk --no-cache add gcc musl-dev git mercurial
 RUN CGO_ENABLED=0 go build -trimpath -ldflags "-s -w -X main.version=$VERSION -X main.commit=$SHORT_COMMIT -X main.date=$DATE" -o golangci-lint ./cmd/golangci-lint/main.go
 
 # stage 2
-FROM golang:1.15-alpine
+FROM golang:1.16-alpine
 # gcc is required to support cgo;
 # git and mercurial are needed most times for go get`, etc.
 # See https://github.com/docker-library/golang/issues/80

test/testdata/govet.go

@@ -9,7 +9,7 @@ import (
 )
 
 func Govet() error {
-	return &os.PathError{"first", "path", os.ErrNotExist} // ERROR "composites: `os.PathError` composite literal uses unkeyed fields"
+	return &os.PathError{"first", "path", os.ErrNotExist} // ERROR "composites: \\`(os|io/fs)?\\.PathError\\` composite literal uses unkeyed fields"
 }
 
 func GovetShadow(f io.Reader, buf []byte) (err error) {

test/testdata/sqlclosecheck.go

@@ -6,15 +6,11 @@ import (
 	"database/sql"
 	"log"
 	"strings"
-
-	_ "github.com/go-sql-driver/mysql"
-	"github.com/jmoiron/sqlx"
 )
 
 var (
 	ctx    context.Context
 	db     *sql.DB
-	dbx    *sqlx.DB
 	age    = 27
 	userID = 43
 )
@@ -259,84 +255,3 @@ func stmtReturn() (*sql.Stmt, error) {
 func stmtReturnShort() (*sql.Stmt, error) {
 	return db.PrepareContext(ctx, "SELECT username FROM users WHERE id = ?")
 }
-
-func sqlxCorrectDefer() {
-	rows, err := dbx.Queryx("SELECT name FROM users WHERE age=?", age)
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	defer rows.Close()
-
-	names := make([]string, 0)
-	for rows.Next() {
-		var name string
-		if err := rows.Scan(&name); err != nil {
-			log.Fatal(err)
-		}
-		names = append(names, name)
-	}
-
-	// Check for errors from iterating over rows.
-	if err := rows.Err(); err != nil {
-		log.Fatal(err)
-	}
-	log.Printf("%s are %d years old", strings.Join(names, ", "), age)
-}
-
-func sqlxNonDeferClose() {
-	rows, err := dbx.Queryx("SELECT name FROM users WHERE age=?", age)
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	names := make([]string, 0)
-	for rows.Next() {
-		var name string
-		if err := rows.Scan(&name); err != nil {
-			log.Fatal(err)
-		}
-		names = append(names, name)
-	}
-
-	// Check for errors from iterating over rows.
-	if err := rows.Err(); err != nil {
-		log.Fatal(err)
-	}
-	log.Printf("%s are %d years old", strings.Join(names, ", "), age)
-
-	rows.Close() // ERROR "Close should use defer"
-}
-
-func sqlxMissingClose() {
-	rows, err := dbx.Queryx("SELECT name FROM users WHERE age=?", age) // ERROR "Rows/Stmt was not closed"
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	// defer rows.Close()
-
-	names := make([]string, 0)
-	for rows.Next() {
-		var name string
-		if err := rows.Scan(&name); err != nil {
-			log.Fatal(err)
-		}
-		names = append(names, name)
-	}
-
-	// Check for errors from iterating over rows.
-	if err := rows.Err(); err != nil {
-		log.Fatal(err)
-	}
-	log.Printf("%s are %d years old", strings.Join(names, ", "), age)
-}
-
-func sqlxReturnRows() (*sqlx.Rows, error) {
-	rows, err := dbx.Queryx("SELECT name FROM users WHERE age=?", age)
-	if err != nil {
-		return nil, err
-	}
-
-	return rows, nil
-}