Update helm help snapshot

hack/helm-template-help-snapshot/helm-template.snap

@@ -29,7 +29,7 @@ Flags:
       --insecure-skip-tls-verify                   skip tls certificate checks for the chart download
       --is-upgrade                                 set .Release.IsUpgrade instead of .Release.IsInstall
       --key-file string                            identify HTTPS client using this SSL key file
-      --keyring string                             location of public keys used for verification (default \"/home/coder/.gnupg/pubring.gpg\")
+      --keyring string                             location of public keys used for verification (default \"###HOME_DIR###/.gnupg/pubring.gpg\")
       --kube-version string                        Kubernetes version used for Capabilities.KubeVersion
   -l, --labels stringToString                      Labels that would be added to release metadata. Should be divided by comma. (default [])
       --name-template string                       specify template used to name the release
@@ -75,9 +75,9 @@ Global Flags:
       --kubeconfig string               path to the kubeconfig file
   -n, --namespace string                namespace scope for this request
       --qps float32                     queries per second used when communicating with the Kubernetes API, not including bursting
-      --registry-config string          path to the registry config file (default \"/home/coder/.config/helm/registry/config.json\")
-      --repository-cache string         path to the file containing cached repository indexes (default \"/home/coder/.cache/helm/repository\")
-      --repository-config string        path to the file containing repository names and URLs (default \"/home/coder/.config/helm/repositories.yaml\")
+      --registry-config string          path to the registry config file (default \"###HELM_REGISTRY_CONFIG###\")
+      --repository-cache string         path to the file containing cached repository indexes (default \"###HELM_REPOSITORY_CACHE###\")
+      --repository-config string        path to the file containing repository names and URLs (default \"###HELM_REPOSITORY_CONFIG###\")
 """
 
 [helm-version]

hack/helm-template-help-snapshot/main.go

@@ -4,6 +4,7 @@ import (
 	"log/slog"
 	"os"
 	"os/exec"
+	"regexp"
 
 	"github.com/jlandowner/helm-chartsnap/pkg/snap"
 )
@@ -19,7 +20,29 @@ func execute(cmd ...string) string {
 		slog.Error("exec error", "err", err)
 		os.Exit(9)
 	}
-	return string(out)
+	return replaceHomeDir(replaceHelmEnv(string(out)))
+}
+
+func replaceHomeDir(bs string) string {
+	// Get os.UserHomeDir() and replace it with "###HOME_DIR###"
+	home, err := os.UserHomeDir()
+	if err != nil {
+		panic(err)
+	}
+	re := regexp.MustCompile(home)
+	return re.ReplaceAllString(bs, "###HOME_DIR###")
+}
+
+func replaceHelmEnv(bs string) string {
+	// Get helm env and replace HELM_REGISTRY_CONFIG, HELM_REPOSITORY_CACHE and HELM_REPOSITORY_CONFIG
+	envs := parseHelmEnvOutput()
+	re := regexp.MustCompile(envs["HELM_REGISTRY_CONFIG"])
+	bs = re.ReplaceAllString(bs, "###HELM_REGISTRY_CONFIG###")
+	re = regexp.MustCompile(envs["HELM_REPOSITORY_CACHE"])
+	bs = re.ReplaceAllString(bs, "###HELM_REPOSITORY_CACHE###")
+	re = regexp.MustCompile(envs["HELM_REPOSITORY_CONFIG"])
+	bs = re.ReplaceAllString(bs, "###HELM_REPOSITORY_CONFIG###")
+	return bs
 }
 
 func snapshot(id, data string) {
@@ -35,3 +58,18 @@ func snapshot(id, data string) {
 		os.Exit(1)
 	}
 }
+
+func parseHelmEnvOutput() map[string]string {
+	out, err := exec.Command("helm", "env").CombinedOutput()
+	if err != nil {
+		slog.Error("exec error", "err", err)
+		os.Exit(9)
+	}
+	re := regexp.MustCompile(`(.*)="(.*)"`)
+	matches := re.FindAllStringSubmatch(string(out), -1)
+	envs := make(map[string]string)
+	for _, match := range matches {
+		envs[match[1]] = match[2]
+	}
+	return envs
+}