ci: use docs tag from CLI constant

.github/workflows/docs.yml

@@ -23,6 +23,12 @@ jobs:
         with:
           python-version: '3.x'
 
+      - name: Set up Go 1.13
+        uses: actions/setup-go@v1
+        id: go
+        with:
+          go-version: 1.13
+
       - name: Install mkdocs
         env:
           MKDOCSMAT_TOKEN: ${{ secrets.MKDOCSMAT_TOKEN }}
@@ -40,13 +46,11 @@ jobs:
         if: ${{ github.ref == 'refs/heads/main' }}
         run: |
           echo "DOCS_EDIT_URI=/edit/main/docs/" >> $GITHUB_ENV
-          echo "DOCS_VERSION=dev" >> $GITHUB_ENV
 
       - name: Update env for docs (latest)
         if: ${{ github.ref == 'refs/heads/latest' }}
         run: |
           echo "DOCS_EDIT_URI=/edit/latest/docs/" >> $GITHUB_ENV
-          echo "DOCS_VERSION=latest" >> $GITHUB_ENV
 
       - name: Setup Git
         env:
@@ -58,4 +62,4 @@ jobs:
 
 
       - name: Deploy docs
-        run: mike deploy --push $DOCS_VERSION
+        run: mike deploy --push $(go run ./cli docs -V)

cli/cmd/docs/docs.go

@@ -2,6 +2,8 @@ package docs
 
 import (
 	"fmt"
+	"github.com/containrrr/shoutrrr/internal/meta"
+	"github.com/mattn/go-isatty"
 	"os"
 	"strings"
 
@@ -21,6 +23,9 @@ var Cmd = &cobra.Command{
 	Short: "Print documentation for services",
 	Run:   Run,
 	Args: func(cmd *cobra.Command, args []string) error {
+		if showVersion, _ := cmd.Flags().GetBool("version"); showVersion {
+			return nil
+		}
 		serviceList := strings.Join(services, ", ")
 		cmd.SetUsageTemplate(cmd.UsageTemplate() + "\nAvailable services: \n  " + serviceList + "\n")
 		return cobra.MinimumNArgs(1)(cmd, args)
@@ -30,12 +35,22 @@ var Cmd = &cobra.Command{
 
 func init() {
 	Cmd.Flags().StringP("format", "f", "console", "Output format")
+	Cmd.Flags().BoolP("version", "V", false, "Show docs version")
 }
 
 // Run the docs command
 func Run(cmd *cobra.Command, args []string) {
 	format, _ := cmd.Flags().GetString("format")
 
+	if showVersion, _ := cmd.Flags().GetBool("version"); showVersion {
+		_, _ = os.Stdout.WriteString(meta.DocsVersion)
+		if isatty.IsTerminal(os.Stdout.Fd()) {
+			// write a newline if the output is not being redirected
+			_, _ = os.Stdout.WriteString("\n")
+		}
+		os.Exit(cli.ExSuccess)
+	}
+
 	res := printDocs(format, args)
 	if res.ExitCode != 0 {
 		_, _ = fmt.Fprintf(os.Stderr, res.Message)

go.mod

@@ -8,6 +8,7 @@ require (
 	github.com/jarcoal/httpmock v1.0.4
 	github.com/klauspost/compress v1.11.7 // indirect
 	github.com/mattn/go-colorable v0.1.8
+	github.com/mattn/go-isatty v0.0.12 // indirect
 	github.com/mitchellh/mapstructure v1.2.2 // indirect
 	github.com/nxadm/tail v1.4.6 // indirect
 	github.com/onsi/ginkgo v1.14.2