Remove usage of ioutil/*

Signed-off-by: Daniel Mikusa <dan@mikusa.com>
paketo-buildpacks · Apr 24, 2023 · fd8d6c5 · fd8d6c5
1 parent 4323db8
commit fd8d6c5
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Showing 29 changed files with 154 additions and 251 deletions.
diff --git a/build_test.go b/build_test.go
@@ -18,7 +18,6 @@ package libpak_test
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"testing"
@@ -54,17 +53,17 @@ func testBuild(t *testing.T, context spec.G, it spec.S) {
 	it.Before(func() {
 		var err error
 
-		applicationPath, err = ioutil.TempDir("", "build-application-path")
+		applicationPath = t.TempDir()
 		Expect(err).NotTo(HaveOccurred())
 		applicationPath, err = filepath.EvalSymlinks(applicationPath)
 		Expect(err).NotTo(HaveOccurred())
 
 		builder = &mocks.Builder{}
 
-		buildpackPath, err = ioutil.TempDir("", "build-buildpack-path")
+		buildpackPath = t.TempDir()
 		Expect(err).NotTo(HaveOccurred())
 
-		f, err := ioutil.TempFile("", "build-buildpackplan-path")
+		f, err := os.CreateTemp("", "build-buildpackplan-path")
 		Expect(err).NotTo(HaveOccurred())
 		Expect(f.Close()).NotTo(HaveOccurred())
 		buildpackPlanPath = f.Name()
@@ -77,10 +76,10 @@ func testBuild(t *testing.T, context spec.G, it spec.S) {
 		exitHandler = &mocks.ExitHandler{}
 		exitHandler.On("Error", mock.Anything)
 
-		layersPath, err = ioutil.TempDir("", "build-layers-path")
+		layersPath = t.TempDir()
 		Expect(err).NotTo(HaveOccurred())
 
-		platformPath, err = ioutil.TempDir("", "build-platform-path")
+		platformPath = t.TempDir()
 		Expect(err).NotTo(HaveOccurred())
 
 		tomlWriter = &mocks.TOMLWriter{}
@@ -105,7 +104,7 @@ func testBuild(t *testing.T, context spec.G, it spec.S) {
 	})
 
 	it("handles error from Builder", func() {
-		Expect(ioutil.WriteFile(filepath.Join(buildpackPath, "buildpack.toml"), []byte(`
+		Expect(os.WriteFile(filepath.Join(buildpackPath, "buildpack.toml"), []byte(`
 api = "0.6"
 
 [buildpack]

diff --git a/carton/build_image_dependency.go b/carton/build_image_dependency.go
@@ -18,7 +18,6 @@ package carton
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"regexp"
 
@@ -48,7 +47,7 @@ func (i BuildImageDependency) Update(options ...Option) {
 	logger := bard.NewLogger(os.Stdout)
 	_, _ = fmt.Fprintf(logger.TitleWriter(), "\n%s\n", bard.FormatIdentity("Build Image", i.Version))
 
-	c, err := ioutil.ReadFile(i.BuilderPath)
+	c, err := os.ReadFile(i.BuilderPath)
 	if err != nil {
 		config.exitHandler.Error(fmt.Errorf("unable to read %s\n%w", i.BuilderPath, err))
 		return
@@ -64,7 +63,7 @@ func (i BuildImageDependency) Update(options ...Option) {
 	s := fmt.Sprintf(ImageDependencySubstitution, i.Version)
 	c = r.ReplaceAll(c, []byte(s))
 
-	if err := ioutil.WriteFile(i.BuilderPath, c, 0644); err != nil {
+	if err := os.WriteFile(i.BuilderPath, c, 0644); err != nil {
 		config.exitHandler.Error(fmt.Errorf("unable to write %s\n%w", i.BuilderPath, err))
 		return
 	}

diff --git a/carton/build_image_dependency_test.go b/carton/build_image_dependency_test.go
@@ -17,7 +17,6 @@
 package carton_test
 
 import (
-	"io/ioutil"
 	"os"
 	"testing"
 
@@ -43,7 +42,7 @@ func testBuildImageDependency(t *testing.T, context spec.G, it spec.S) {
 		exitHandler = &mocks.ExitHandler{}
 		exitHandler.On("Error", mock.Anything)
 
-		f, err := ioutil.TempFile("", "carton-image-dependency")
+		f, err := os.CreateTemp("", "carton-image-dependency")
 		Expect(err).NotTo(HaveOccurred())
 
 		_, err = f.WriteString(`test-prologue
@@ -67,7 +66,7 @@ test-epilogue
 
 		d.Update(carton.WithExitHandler(exitHandler))
 
-		Expect(ioutil.ReadFile(path)).To(Equal([]byte(`test-prologue
+		Expect(os.ReadFile(path)).To(Equal([]byte(`test-prologue
 build-image = "image-name:test-version-2"
 test-epilogue
 `)))

diff --git a/carton/buildpack_dependency.go b/carton/buildpack_dependency.go
@@ -19,7 +19,6 @@ package carton
 import (
 	"bytes"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"regexp"
 
@@ -81,7 +80,7 @@ func (b BuildpackDependency) Update(options ...Option) {
 		return
 	}
 
-	c, err := ioutil.ReadFile(b.BuildpackPath)
+	c, err := os.ReadFile(b.BuildpackPath)
 	if err != nil {
 		config.exitHandler.Error(fmt.Errorf("unable to read %s\n%w", b.BuildpackPath, err))
 		return
@@ -187,7 +186,7 @@ func (b BuildpackDependency) Update(options ...Option) {
 
 	c = append(comments, c...)
 
-	if err := ioutil.WriteFile(b.BuildpackPath, c, 0644); err != nil {
+	if err := os.WriteFile(b.BuildpackPath, c, 0644); err != nil {
 		config.exitHandler.Error(fmt.Errorf("unable to write %s\n%w", b.BuildpackPath, err))
 		return
 	}

diff --git a/carton/buildpack_dependency_test.go b/carton/buildpack_dependency_test.go
@@ -17,7 +17,6 @@
 package carton_test
 
 import (
-	"io/ioutil"
 	"os"
 	"testing"
 
@@ -44,7 +43,7 @@ func testBuildpackDependency(t *testing.T, context spec.G, it spec.S) {
 		exitHandler = &mocks.ExitHandler{}
 		exitHandler.On("Error", mock.Anything)
 
-		f, err := ioutil.TempFile("", "carton-buildpack-dependency")
+		f, err := os.CreateTemp("", "carton-buildpack-dependency")
 		Expect(err).NotTo(HaveOccurred())
 		Expect(f.Close()).To(Succeed())
 		path = f.Name()
@@ -55,7 +54,7 @@ func testBuildpackDependency(t *testing.T, context spec.G, it spec.S) {
 	})
 
 	it("updates dependency", func() {
-		Expect(ioutil.WriteFile(path, []byte(`api = "0.6"
+		Expect(os.WriteFile(path, []byte(`api = "0.6"
 [buildpack]
 id = "some-buildpack"
 name = "Some Buildpack"
@@ -81,7 +80,7 @@ stacks  = [ "test-stack" ]
 
 		d.Update(carton.WithExitHandler(exitHandler))
 
-		Expect(ioutil.ReadFile(path)).To(internal.MatchTOML(`api = "0.6"
+		Expect(os.ReadFile(path)).To(internal.MatchTOML(`api = "0.6"
 [buildpack]
 id = "some-buildpack"
 name = "Some Buildpack"
@@ -97,7 +96,7 @@ stacks  = [ "test-stack" ]
 	})
 
 	it("updates dependency with purl & cpes", func() {
-		Expect(ioutil.WriteFile(path, []byte(`api = "0.7"
+		Expect(os.WriteFile(path, []byte(`api = "0.7"
 [buildpack]
 id = "some-buildpack"
 name = "Some Buildpack"
@@ -129,7 +128,7 @@ cpes    = ["cpe:2.3:a:test-vendor:test-product:test-version-1:patch1:*:*:*:*:*:*
 
 		d.Update(carton.WithExitHandler(exitHandler))
 
-		Expect(ioutil.ReadFile(path)).To(internal.MatchTOML(`api = "0.7"
+		Expect(os.ReadFile(path)).To(internal.MatchTOML(`api = "0.7"
 [buildpack]
 id = "some-buildpack"
 name = "Some Buildpack"
@@ -147,7 +146,7 @@ cpes    = ["cpe:2.3:a:test-vendor:test-product:test-version-2:patch2:*:*:*:*:*:*
 	})
 
 	it("updates multiple dependencies with different versions", func() {
-		Expect(ioutil.WriteFile(path, []byte(`api = "0.7"
+		Expect(os.WriteFile(path, []byte(`api = "0.7"
 [buildpack]
 id = "some-buildpack"
 name = "Some Buildpack"
@@ -189,7 +188,7 @@ cpes    = ["cpe:2.3:a:test-vendor:test-product:test-version-2:patch2:*:*:*:*:*:*
 
 		d.Update(carton.WithExitHandler(exitHandler))
 
-		Expect(ioutil.ReadFile(path)).To(internal.MatchTOML(`api = "0.7"
+		Expect(os.ReadFile(path)).To(internal.MatchTOML(`api = "0.7"
 [buildpack]
 id = "some-buildpack"
 name = "Some Buildpack"
@@ -218,7 +217,7 @@ cpes    = ["cpe:2.3:a:test-vendor:test-product:test-version-2:patch2:*:*:*:*:*:*
 	})
 
 	it("updates dependency with missing purl, still updates cpe", func() {
-		Expect(ioutil.WriteFile(path, []byte(`api = "0.7"
+		Expect(os.WriteFile(path, []byte(`api = "0.7"
 [buildpack]
 id = "some-buildpack"
 name = "Some Buildpack"
@@ -249,7 +248,7 @@ cpes    = ["cpe:2.3:a:test-vendor:test-product:test-version-1:patch1:*:*:*:*:*:*
 
 		d.Update(carton.WithExitHandler(exitHandler))
 
-		Expect(ioutil.ReadFile(path)).To(internal.MatchTOML(`api = "0.7"
+		Expect(os.ReadFile(path)).To(internal.MatchTOML(`api = "0.7"
 [buildpack]
 id = "some-buildpack"
 name = "Some Buildpack"
@@ -266,7 +265,7 @@ cpes    = ["cpe:2.3:a:test-vendor:test-product:test-version-2:patch2:*:*:*:*:*:*
 	})
 
 	it("updates dependency with invalid purl, still updates cpe", func() {
-		Expect(ioutil.WriteFile(path, []byte(`api = "0.7"
+		Expect(os.WriteFile(path, []byte(`api = "0.7"
 [buildpack]
 id = "some-buildpack"
 name = "Some Buildpack"
@@ -298,7 +297,7 @@ cpes    = ["cpe:2.3:a:test-vendor:test-product:test-version-1:patch1:*:*:*:*:*:*
 
 		d.Update(carton.WithExitHandler(exitHandler))
 
-		Expect(ioutil.ReadFile(path)).To(internal.MatchTOML(`api = "0.7"
+		Expect(os.ReadFile(path)).To(internal.MatchTOML(`api = "0.7"
 [buildpack]
 id = "some-buildpack"
 name = "Some Buildpack"
@@ -316,7 +315,7 @@ cpes    = ["cpe:2.3:a:test-vendor:test-product:test-version-2:patch2:*:*:*:*:*:*
 	})
 
 	it("updates dependency with invalid cpe, still updates purl", func() {
-		Expect(ioutil.WriteFile(path, []byte(`api = "0.7"
+		Expect(os.WriteFile(path, []byte(`api = "0.7"
 [buildpack]
 id = "some-buildpack"
 name = "Some Buildpack"
@@ -348,7 +347,7 @@ cpes    = 1234
 
 		d.Update(carton.WithExitHandler(exitHandler))
 
-		Expect(ioutil.ReadFile(path)).To(internal.MatchTOML(`api = "0.7"
+		Expect(os.ReadFile(path)).To(internal.MatchTOML(`api = "0.7"
 [buildpack]
 id = "some-buildpack"
 name = "Some Buildpack"
@@ -366,7 +365,7 @@ cpes    = 1234
 	})
 
 	it("updates indented dependency", func() {
-		Expect(ioutil.WriteFile(path, []byte(`# it should preserve
+		Expect(os.WriteFile(path, []byte(`# it should preserve
 #   these comments
 #      exactly
 
@@ -396,7 +395,7 @@ version = "1.2.3"
 
 		d.Update(carton.WithExitHandler(exitHandler))
 
-		body, err := ioutil.ReadFile(path)
+		body, err := os.ReadFile(path)
 		Expect(err).NotTo(HaveOccurred())
 		Expect(string(body)).To(HavePrefix(`# it should preserve
 #   these comments

diff --git a/carton/lifecycle_dependency.go b/carton/lifecycle_dependency.go
@@ -18,7 +18,6 @@ package carton
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"regexp"
 
@@ -48,7 +47,7 @@ func (l LifecycleDependency) Update(options ...Option) {
 	logger := bard.NewLogger(os.Stdout)
 	_, _ = fmt.Fprintf(logger.TitleWriter(), "\n%s\n", bard.FormatIdentity("Lifecycle", l.Version))
 
-	c, err := ioutil.ReadFile(l.BuilderPath)
+	c, err := os.ReadFile(l.BuilderPath)
 	if err != nil {
 		config.exitHandler.Error(fmt.Errorf("unable to read %s\n%w", l.BuilderPath, err))
 		return
@@ -64,7 +63,7 @@ func (l LifecycleDependency) Update(options ...Option) {
 	s := fmt.Sprintf(LifecycleDependencySubstitution, l.Version)
 	c = r.ReplaceAll(c, []byte(s))
 
-	if err := ioutil.WriteFile(l.BuilderPath, c, 0644); err != nil {
+	if err := os.WriteFile(l.BuilderPath, c, 0644); err != nil {
 		config.exitHandler.Error(fmt.Errorf("unable to write %s\n%w", l.BuilderPath, err))
 		return
 	}

diff --git a/carton/lifecycle_dependency_test.go b/carton/lifecycle_dependency_test.go
@@ -17,7 +17,6 @@
 package carton_test
 
 import (
-	"io/ioutil"
 	"os"
 	"testing"
 
@@ -43,7 +42,7 @@ func testLifecycleDependency(t *testing.T, context spec.G, it spec.S) {
 		exitHandler = &mocks.ExitHandler{}
 		exitHandler.On("Error", mock.Anything)
 
-		f, err := ioutil.TempFile("", "carton-builder-dependency")
+		f, err := os.CreateTemp("", "carton-builder-dependency")
 		Expect(err).NotTo(HaveOccurred())
 
 		_, err = f.WriteString(`test-prologue
@@ -70,7 +69,7 @@ test-epilogue
 
 		d.Update(carton.WithExitHandler(exitHandler))
 
-		Expect(ioutil.ReadFile(path)).To(Equal([]byte(`test-prologue
+		Expect(os.ReadFile(path)).To(Equal([]byte(`test-prologue
 
 [lifecycle]
 uri = "https://github.com/buildpacks/lifecycle/releases/download/vtest-version-3/lifecycle-vtest-version-3+linux.x86-64.tgz"

diff --git a/carton/netrc.go b/carton/netrc.go
@@ -18,7 +18,6 @@ package carton
 
 import (
 	"fmt"
-	"io/ioutil"
 	"net/http"
 	"os"
 	"os/user"
@@ -48,7 +47,7 @@ func (n Netrc) BasicAuth(request *http.Request) (*http.Request, error) {
 }
 
 func ParseNetrc(path string) (Netrc, error) {
-	b, err := ioutil.ReadFile(path)
+	b, err := os.ReadFile(path)
 	if os.IsNotExist(err) {
 		return nil, nil
 	} else if err != nil {

diff --git a/carton/netrc_test.go b/carton/netrc_test.go
@@ -17,7 +17,6 @@
 package carton_test
 
 import (
-	"io/ioutil"
 	"net/http"
 	"os"
 	"os/user"
@@ -40,7 +39,7 @@ func testNetrc(t *testing.T, context spec.G, it spec.S) {
 	it.Before(func() {
 		var err error
 
-		f, err := ioutil.TempFile("", "netrc")
+		f, err := os.CreateTemp("", "netrc")
 		Expect(err).NotTo(HaveOccurred())
 		Expect(f.Close()).To(Succeed())
 		path = f.Name()
@@ -75,7 +74,7 @@ func testNetrc(t *testing.T, context spec.G, it spec.S) {
 
 	context("parse", func() {
 		it("parses one-liner", func() {
-			Expect(ioutil.WriteFile(path, []byte(`machine test-machine login test-login password test-password`), 0644)).To(Succeed())
+			Expect(os.WriteFile(path, []byte(`machine test-machine login test-login password test-password`), 0644)).To(Succeed())
 
 			Expect(carton.ParseNetrc(path)).To(Equal(carton.Netrc{
 				{
@@ -87,7 +86,7 @@ func testNetrc(t *testing.T, context spec.G, it spec.S) {
 		})
 
 		it("parses multi-liner", func() {
-			Expect(ioutil.WriteFile(path, []byte(`
+			Expect(os.WriteFile(path, []byte(`
 machine test-machine 
 login test-login 
 password test-password
@@ -103,7 +102,7 @@ password test-password
 		})
 
 		it("ignores macdef", func() {
-			Expect(ioutil.WriteFile(path, []byte(`
+			Expect(os.WriteFile(path, []byte(`
 macdef uploadtest
 	cd /pub/tests
 	bin
@@ -123,7 +122,7 @@ machine test-machine login test-login password test-password
 		})
 
 		it("ignores all after default", func() {
-			Expect(ioutil.WriteFile(path, []byte(`
+			Expect(os.WriteFile(path, []byte(`
 machine test-machine-1 login test-login-1 password test-password-1
 
 default