added jj

Author: rsteube

README.md

@@ -22,6 +22,7 @@ Supported inputs:
 - [fish](https://fishshell.com/)
 - [gcloud](https://docs.cloud.google.com/sdk/gcloud)
 - [inshellisense](https://github.com/microsoft/inshellisense)
+- [jj](https://www.jj-vcs.dev)
 - [kingpin](https://github.com/alecthomas/kingpin)
 - [kitten](https://github.com/kovidgoyal/kitty)
 - [powershell](https://microsoft.com/powershell)

cmd/carapace-bridge/cmd/root.go

@@ -53,6 +53,7 @@ func init() {
 	addSubCommand("fish", "bridges completions registered in fish", bridge.ActionFish)
 	addSubCommand("gcloud", "bridges https://docs.cloud.google.com/sdk/gcloud", bridge.ActionGcloud)
 	addSubCommand("inshellisense", "bridges https://github.com/microsoft/inshellisense", bridge.ActionInshellisense)
+	addSubCommand("jj", "bridges https://www.jj-vcs.dev", bridge.ActionJJ)
 	addSubCommand("kingpin", "bridges https://github.com/alecthomas/kingpin", bridge.ActionKingpin)
 	addSubCommand("kitten", "bridges https://github.com/kovidgoyal/kitty", bridge.ActionKitten)
 	addSubCommand("macro", "bridges macros exposed with https://github.com/carapace-sh/carapace-spec", bridge.ActionMacro)

pkg/actions/bridge/bridge.go

@@ -25,6 +25,7 @@ var bridgeActions = map[string]func(command ...string) carapace.Action{
 	"fish":           ActionFish,
 	"gcloud":         ActionGcloud,
 	"inshellisense":  ActionInshellisense,
+	"jj":             ActionJJ,
 	"kingpin":        ActionKingpin,
 	"kitten":         ActionKitten,
 	"powershell":     ActionPowershell,
@@ -68,6 +69,7 @@ func ActionBridges(name string) carapace.Action {
 				"fish", "bridges completions registered in fish",
 				"gcloud", "bridges https://docs.cloud.google.com/sdk/gcloud",
 				"inshellisense", "bridges https://github.com/microsoft/inshellisense",
+				"jj", "bridges bridges https://www.jj-vcs.dev",
 				"kitten", "bridges https://github.com/kovidgoyal/kitty",
 				"powershell", "bridges completions registered in powershell",
 				"zsh", "bridges completions registered in zsh",
@@ -78,6 +80,7 @@ func ActionBridges(name string) carapace.Action {
 					"carapace-bin":  "carapace",
 					"fish":          "fish",
 					"gcloud":        "gcloud",
+					"jj":            "jj",
 					"inshellisense": "inshellisense",
 					"kitten":        "kitten",
 					"powershell":    "pwsh",

pkg/actions/bridge/jj.go

@@ -0,0 +1,33 @@
+package bridge
+
+import (
+	"strings"
+
+	"github.com/carapace-sh/carapace"
+)
+
+// ActionJJ bridges https://www.jj-vcs.dev
+func ActionJJ(command ...string) carapace.Action {
+	return actionCommand(command...)(func(command ...string) carapace.Action {
+		return carapace.ActionCallback(func(c carapace.Context) carapace.Action {
+			c.Setenv("COMPLETE", "fish")
+			args := []string{"--"}
+			args = append(args, command...)
+			args = append(args, c.Args...)
+			args = append(args, c.Value)
+			return carapace.ActionExecCommand(command[0], args...)(func(output []byte) carapace.Action {
+				lines := strings.Split(string(output), "\n")
+				vals := make([]string, 0)
+
+				flags := strings.HasPrefix(c.Value, "-")
+				for _, line := range lines[:len(lines)-1] {
+					value, description, _ := strings.Cut(line, "\t")
+					if flags == strings.HasPrefix(value, "-") {
+						vals = append(vals, value, description)
+					}
+				}
+				return carapace.ActionValuesDescribed(vals...)
+			}).Invoke(c).ToA()
+		})
+	})
+}