Scaffold proxy-operator with kubebuilder v4.15.0 (go/v4)
Bootstraps the empty repo into a kubebuilder go/v4 project: group crawl.example.com, version v1alpha1, kind Proxy (namespaced). Keeps the existing module path and preserves the repo's Go/testing/changelog conventions from CLAUDE.md untouched. Drops the scaffolded GitHub Actions workflows since the remote is Gitea, not GitHub. Everything else is default kubebuilder output, unmodified, so later diffs stay reviewable against a known baseline. Full implementation plan: docs/plans/2026-08-07-1747-proxy-operator.md Co-Authored-By: Claude <noreply@anthropic.com>
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226
test/utils/utils.go
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226
test/utils/utils.go
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/*
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Copyright 2026.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package utils
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import (
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"bufio"
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"bytes"
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"fmt"
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"os"
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"os/exec"
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"strings"
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. "github.com/onsi/ginkgo/v2" // nolint:revive,staticcheck
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)
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const (
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certmanagerVersion = "v1.20.2"
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certmanagerURLTmpl = "https://github.com/cert-manager/cert-manager/releases/download/%s/cert-manager.yaml"
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defaultKindBinary = "kind"
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defaultKindCluster = "kind"
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)
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func warnError(err error) {
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_, _ = fmt.Fprintf(GinkgoWriter, "warning: %v\n", err)
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}
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// Run executes the provided command within this context
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func Run(cmd *exec.Cmd) (string, error) {
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dir, _ := GetProjectDir()
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cmd.Dir = dir
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if err := os.Chdir(cmd.Dir); err != nil {
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_, _ = fmt.Fprintf(GinkgoWriter, "chdir dir: %q\n", err)
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}
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cmd.Env = append(os.Environ(), "GO111MODULE=on")
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command := strings.Join(cmd.Args, " ")
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_, _ = fmt.Fprintf(GinkgoWriter, "running: %q\n", command)
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output, err := cmd.CombinedOutput()
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if err != nil {
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return string(output), fmt.Errorf("%q failed with error %q: %w", command, string(output), err)
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}
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return string(output), nil
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}
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// UninstallCertManager uninstalls the cert manager
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func UninstallCertManager() {
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url := fmt.Sprintf(certmanagerURLTmpl, certmanagerVersion)
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cmd := exec.Command("kubectl", "delete", "-f", url)
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if _, err := Run(cmd); err != nil {
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warnError(err)
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}
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// Delete leftover leases in kube-system (not cleaned by default)
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kubeSystemLeases := []string{
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"cert-manager-cainjector-leader-election",
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"cert-manager-controller",
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}
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for _, lease := range kubeSystemLeases {
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cmd = exec.Command("kubectl", "delete", "lease", lease,
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"-n", "kube-system", "--ignore-not-found", "--force", "--grace-period=0")
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if _, err := Run(cmd); err != nil {
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warnError(err)
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}
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}
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}
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// InstallCertManager installs the cert manager bundle.
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func InstallCertManager() error {
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url := fmt.Sprintf(certmanagerURLTmpl, certmanagerVersion)
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cmd := exec.Command("kubectl", "apply", "-f", url)
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if _, err := Run(cmd); err != nil {
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return err
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}
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// Wait for cert-manager-webhook to be ready, which can take time if cert-manager
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// was re-installed after uninstalling on a cluster.
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cmd = exec.Command("kubectl", "wait", "deployment.apps/cert-manager-webhook",
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"--for", "condition=Available",
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"--namespace", "cert-manager",
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"--timeout", "5m",
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)
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_, err := Run(cmd)
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return err
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}
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// IsCertManagerCRDsInstalled checks if any Cert Manager CRDs are installed
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// by verifying the existence of key CRDs related to Cert Manager.
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func IsCertManagerCRDsInstalled() bool {
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// List of common Cert Manager CRDs
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certManagerCRDs := []string{
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"certificates.cert-manager.io",
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"issuers.cert-manager.io",
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"clusterissuers.cert-manager.io",
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"certificaterequests.cert-manager.io",
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"orders.acme.cert-manager.io",
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"challenges.acme.cert-manager.io",
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}
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// Execute the kubectl command to get all CRDs
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cmd := exec.Command("kubectl", "get", "crds")
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output, err := Run(cmd)
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if err != nil {
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return false
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}
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// Check if any of the Cert Manager CRDs are present
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crdList := GetNonEmptyLines(output)
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for _, crd := range certManagerCRDs {
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for _, line := range crdList {
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if strings.Contains(line, crd) {
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return true
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}
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}
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}
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return false
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}
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// LoadImageToKindClusterWithName loads a local docker image to the kind cluster
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func LoadImageToKindClusterWithName(name string) error {
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cluster := defaultKindCluster
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if v, ok := os.LookupEnv("KIND_CLUSTER"); ok {
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cluster = v
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}
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kindOptions := []string{"load", "docker-image", name, "--name", cluster}
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kindBinary := defaultKindBinary
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if v, ok := os.LookupEnv("KIND"); ok {
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kindBinary = v
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}
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cmd := exec.Command(kindBinary, kindOptions...)
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_, err := Run(cmd)
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return err
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}
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// GetNonEmptyLines converts given command output string into individual objects
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// according to line breakers, and ignores the empty elements in it.
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func GetNonEmptyLines(output string) []string {
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var res []string
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elements := strings.SplitSeq(output, "\n")
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for element := range elements {
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if element != "" {
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res = append(res, element)
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}
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}
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return res
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}
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// GetProjectDir will return the directory where the project is
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func GetProjectDir() (string, error) {
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wd, err := os.Getwd()
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if err != nil {
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return wd, fmt.Errorf("failed to get current working directory: %w", err)
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}
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wd = strings.ReplaceAll(wd, "/test/e2e", "")
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return wd, nil
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}
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// UncommentCode searches for target in the file and remove the comment prefix
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// of the target content. The target content may span multiple lines.
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func UncommentCode(filename, target, prefix string) error {
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// false positive
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// nolint:gosec
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content, err := os.ReadFile(filename)
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if err != nil {
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return fmt.Errorf("failed to read file %q: %w", filename, err)
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}
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strContent := string(content)
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idx := strings.Index(strContent, target)
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if idx < 0 {
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return fmt.Errorf("unable to find the code %q to be uncommented", target)
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}
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out := new(bytes.Buffer)
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_, err = out.Write(content[:idx])
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if err != nil {
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return fmt.Errorf("failed to write to output: %w", err)
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}
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scanner := bufio.NewScanner(bytes.NewBufferString(target))
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if !scanner.Scan() {
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return nil
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}
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for {
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if _, err = out.WriteString(strings.TrimPrefix(scanner.Text(), prefix)); err != nil {
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return fmt.Errorf("failed to write to output: %w", err)
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}
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// Avoid writing a newline in case the previous line was the last in target.
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if !scanner.Scan() {
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break
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}
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if _, err = out.WriteString("\n"); err != nil {
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return fmt.Errorf("failed to write to output: %w", err)
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}
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}
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if _, err = out.Write(content[idx+len(target):]); err != nil {
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return fmt.Errorf("failed to write to output: %w", err)
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}
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// false positive
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// nolint:gosec
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if err = os.WriteFile(filename, out.Bytes(), 0644); err != nil {
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return fmt.Errorf("failed to write file %q: %w", filename, err)
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}
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return nil
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}
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