docs: auto-update evcc CLI reference on release (#31846)

.github/workflows/cli-docs.yml

@@ -0,0 +1,45 @@
+name: Deploy CLI docs
+
+on:
+  release:
+    types: [created]
+  workflow_dispatch:
+    inputs:
+      target_branch:
+        description: Target branch in the docs repository
+        default: main
+
+jobs:
+  clidocs:
+    name: Deploy CLI docs
+    runs-on: depot-ubuntu-24.04-arm
+
+    permissions:
+      contents: read
+
+    steps:
+      - uses: actions/checkout@v7
+        with:
+          persist-credentials: false
+
+      - uses: actions/setup-go@v6
+        with:
+          go-version-file: go.mod
+
+      - name: Generate CLI docs
+        run: go run main.go gendoc ./cli-docs
+
+      - name: Format
+        run: npx prettier@3 --write "./cli-docs/**/*.md"
+
+      - name: Deploy CLI docs to docs repo
+        uses: peaceiris/actions-gh-pages@84c30a85c19949d7eee79c4ff27748b70285e453 # v4
+        with:
+          personal_token: ${{ secrets.DOCS_DEPLOY_TOKEN }}
+          publish_dir: ./cli-docs
+          external_repository: evcc-io/docs
+          publish_branch: ${{ github.event.inputs.target_branch || 'main' }}
+          destination_dir: src/content/docs/en/reference/cli
+          allow_empty_commit: false
+          commit_message: CLI docs update
+        if: success()

cmd/gendock.go

@@ -1,6 +1,7 @@
 package cmd
 
 import (
+	"fmt"
 	"os"
 	"path/filepath"
 	"regexp"
@@ -31,41 +32,59 @@ func runGendoc(cmd *cobra.Command, args []string) {
 		log.FATAL.Fatalf("Failed to create output directory: %v", err)
 	}
 
-	if err := doc.GenMarkdownTree(rootCmd, outputDir); err != nil {
+	rootCmd.DisableAutoGenTag = true
+
+	// frontmatter title from filename: evcc_password_reset.md -> "evcc password reset"
+	filePrepender := func(filename string) string {
+		title := strings.ReplaceAll(strings.TrimSuffix(filepath.Base(filename), ".md"), "_", " ")
+		return fmt.Sprintf("---\ntitle: \"%s\"\n---\n\n", title)
+	}
+
+	// absolute site links without .md extension
+	linkHandler := func(name string) string {
+		return "/en/reference/cli/" + strings.TrimSuffix(name, ".md")
+	}
+
+	if err := doc.GenMarkdownTreeCustom(rootCmd, outputDir, filePrepender, linkHandler); err != nil {
 		log.FATAL.Fatalf("Failed to generate documentation: %v", err)
 	}
 
-	// make some modifications to the generated files
+	titleRe := regexp.MustCompile(`(?m)^## evcc.*\n\n`)
+	codeRe := regexp.MustCompile(`\n\n\t(.*)\n`)
+	blankRe := regexp.MustCompile(`\n{3,}`)
+
+	// make the generated files ready to commit in the docs repo
 	err := filepath.Walk(outputDir, func(path string, info os.FileInfo, err error) error {
-		if err != nil {
+		if err != nil || info.IsDir() || !strings.HasSuffix(info.Name(), ".md") {
 			return err
 		}
-		if !info.IsDir() && strings.HasSuffix(info.Name(), ".md") {
+
 		content, err := os.ReadFile(path)
 		if err != nil {
 			return err
 		}
 
+		s := string(content)
+		// drop the title heading, the frontmatter already contains it
+		s = titleRe.ReplaceAllString(s, "")
 		// reduce header level by one
-			modifiedContent := strings.ReplaceAll(string(content), "## ", "# ")
+		s = strings.ReplaceAll(s, "### ", "## ")
 		// lowercase "see also"
-			modifiedContent = strings.ReplaceAll(modifiedContent, "SEE ALSO", "See also")
+		s = strings.ReplaceAll(s, "## SEE ALSO", "## See also")
+		// prettier-style list bullets
+		s = strings.ReplaceAll(s, "* [", "- [")
+		s = strings.ReplaceAll(s, ")\t - ", ") - ")
 		// convert single line indented code to backtick surrounded code
-			codeRe := regexp.MustCompile("\n\n\t(.*)\n")
-			modifiedContent = codeRe.ReplaceAllString(modifiedContent, "\n\n```\n$1\n```\n")
-			// remove auto generated date line
-			dateRe := regexp.MustCompile("##### Auto generated by spf13/cobra on.*\n")
-			modifiedContent = dateRe.ReplaceAllString(modifiedContent, "\n")
+		s = codeRe.ReplaceAllString(s, "\n\n```\n$1\n```\n")
+		// collapse multiple blank lines and trailing newlines (prettier style)
+		s = blankRe.ReplaceAllString(s, "\n\n")
+		s = strings.TrimRight(s, "\n") + "\n"
 
-			if err := os.WriteFile(path, []byte(modifiedContent), 0o644); err != nil {
-				return err
-			}
-		}
-		return nil
+		return os.WriteFile(path, []byte(s), 0o644)
 	})
 	if err != nil {
 		log.FATAL.Fatalf("Failed to modify documentation: %v", err)
 	}
 
-	log.INFO.Printf("Documentation generated and modified in %s", outputDir)
+	log.INFO.Printf("Documentation generated in %s", outputDir)
 }