git: show-ref

completers/git_completer/cmd/showRef.go

@@ -0,0 +1,56 @@
+package cmd
+
+import (
+	"strings"
+
+	"github.com/carapace-sh/carapace"
+	"github.com/spf13/cobra"
+)
+
+var showRefCmd = &cobra.Command{
+	Use:     "show-ref",
+	Short:   "List references in a local repository",
+	Run:     func(cmd *cobra.Command, args []string) {},
+	GroupID: groups[group_low_level_interrogator].ID,
+}
+
+func init() {
+	carapace.Gen(showRefCmd).Standalone()
+
+	showRefCmd.Flags().String("abbrev", "", "abbreviate the object name")
+	showRefCmd.Flags().Bool("branches", false, "limit to local branches")
+	showRefCmd.Flags().BoolP("dereference", "d", false, "dereference tags into object IDs as well")
+	showRefCmd.Flags().String("exclude-existing", "", "make git show-ref act as a filter that reads refs from stdin")
+	showRefCmd.Flags().Bool("exists", false, "check whether the given reference exists")
+	showRefCmd.Flags().StringP("hash", "s", "", "only show the OID, not the reference name")
+	showRefCmd.Flags().Bool("head", false, "show the HEAD reference")
+	showRefCmd.Flags().BoolP("quiet", "q", false, "do not print any results to stdout")
+	showRefCmd.Flags().Bool("tags", false, "limit to local tags")
+	showRefCmd.Flags().Bool("verify", false, "enable stricter reference checking by requiring an exact ref path")
+	rootCmd.AddCommand(showRefCmd)
+
+	showRefCmd.Flag("abbrev").NoOptDefVal = " "
+	showRefCmd.Flag("exclude-existing").NoOptDefVal = " "
+	showRefCmd.Flag("hash").NoOptDefVal = " "
+
+	carapace.Gen(showRefCmd).PositionalAnyCompletion(
+		carapace.ActionCallback(func(c carapace.Context) carapace.Action {
+			switch {
+			case showRefCmd.Flag("exclude-existing").Changed,
+				showRefCmd.Flag("exists").Changed && len(c.Args) > 0:
+				return carapace.ActionValues()
+			}
+			return carapace.ActionExecCommand("git", "show-ref")(func(output []byte) carapace.Action {
+				lines := strings.Split(string(output), "\n")
+				vals := make([]string, 0)
+
+				for _, line := range lines {
+					if id, name, ok := strings.Cut(line, " "); ok {
+						vals = append(vals, name, id) // TODO limit to branches, tags when flags are set
+					}
+				}
+				return carapace.ActionValuesDescribed(vals...)
+			}).MultiParts("/")
+		}),
+	)
+}