go: added help

completers/go_completer/cmd/help.go

@@ -0,0 +1,54 @@
+package cmd
+
+import (
+	"github.com/rsteube/carapace"
+	"github.com/rsteube/carapace/pkg/style"
+	"github.com/spf13/cobra"
+)
+
+var helpCmd = &cobra.Command{
+	Use:   "help",
+	Short: "Show help on command or topic",
+	Run:   func(cmd *cobra.Command, args []string) {},
+}
+
+func init() {
+	carapace.Gen(helpCmd).Standalone()
+
+	rootCmd.AddCommand(helpCmd)
+
+	carapace.Gen(helpCmd).PositionalCompletion(
+		carapace.Batch(
+			carapace.ActionCallback(func(c carapace.Context) carapace.Action {
+				vals := make([]string, 0)
+				for _, cmd := range rootCmd.Commands() {
+					if !cmd.Hidden && cmd != helpCmd {
+						vals = append(vals, cmd.Name(), cmd.Short)
+					}
+				}
+				return carapace.ActionValuesDescribed(vals...)
+			}).Style(style.Blue).Tag("commands"),
+			carapace.ActionValuesDescribed(
+				"buildconstraint", "build constraints",
+				"buildmode", "build modes",
+				"c", "calling between Go and C",
+				"cache", "build and test caching",
+				"environment", "environment variables",
+				"filetype", "file types",
+				"go.mod", "the go.mod file",
+				"gopath", "GOPATH environment variable",
+				"gopath-get", "legacy GOPATH go get",
+				"goproxy", "module proxy protocol",
+				"importpath", "import path syntax",
+				"modules", "modules, module versions, and more",
+				"module-get", "module-aware go get",
+				"module-auth", "module authentication using go.sum",
+				"packages", "package lists and patterns",
+				"private", "configuration for downloading non-public code",
+				"testflag", "testing flags",
+				"testfunc", "testing functions",
+				"vcs", "controlling version control with GOVCS",
+			).Tag("topics"),
+		).ToA(),
+	)
+}