Merge pull request #3269 from carapace-sh/bazel-target

bazel: build - complete targets

Author: rsteube

completers/common/bazel_completer/cmd/build.go

@@ -2,6 +2,7 @@ package cmd
 
 import (
 	"github.com/carapace-sh/carapace"
+	"github.com/carapace-sh/carapace-bin/pkg/actions/tools/bazel"
 	"github.com/spf13/cobra"
 )
 
@@ -195,4 +196,8 @@ func init() {
 	buildCmd.Flags().Bool("verbose_failures", false, "If a command fails, print out the full command line.")
 	buildCmd.Flags().String("version_window_for_dirty_node_gc", "", "Nodes that have been dirty for more than this many versions will be deleted from the graph upon the next update. Values must be non-negative long integers, or -1 indicating the maximum possible window.")
 	rootCmd.AddCommand(buildCmd)
+
+	carapace.Gen(buildCmd).PositionalCompletion(
+		bazel.ActionTargets(),
+	)
 }

pkg/actions/tools/bazel/target.go

@@ -0,0 +1,25 @@
+package bazel
+
+import (
+	"strings"
+
+	"github.com/carapace-sh/carapace"
+)
+
+// ActionTargets completes targets
+//
+//	//:windows_arm64
+//	//docs:docs
+func ActionTargets() carapace.Action {
+	return carapace.ActionCallback(func(c carapace.Context) carapace.Action {
+		return carapace.ActionExecCommand("bazel", "query", "//...")(func(output []byte) carapace.Action {
+			lines := strings.Split(string(output), "\n")
+			vals := make([]string, 0)
+
+			for _, line := range lines[:len(lines)-1] {
+				vals = append(vals, strings.TrimPrefix(line, "//"))
+			}
+			return carapace.ActionValues(vals...)
+		}).MultiParts("/", ":").Prefix("//")
+	}).Tag("targets")
+}