From a9a0a702301155837bccd3b3d9df0939215e150b Mon Sep 17 00:00:00 2001
From: Miguel Elias dos Santos <migueleliasweb@gmail.com>
Date: Fri, 10 Jan 2025 14:06:46 +1100
Subject: [PATCH] Make kubebuilder go install-able

Signed-off-by: Miguel Elias dos Santos <migueleliasweb@gmail.com>
---
 Makefile                | 12 ++++++------
 build/.goreleaser.yml   | 13 ++++++-------
 cmd/{main.go => cmd.go} |  4 ++--
 cmd/version.go          |  2 +-
 doc.go                  |  2 +-
 main.go                 |  7 +++++++
 6 files changed, 23 insertions(+), 17 deletions(-)
 rename cmd/{main.go => cmd.go} (98%)
 create mode 100644 main.go

diff --git a/Makefile b/Makefile
index 0604fc547ff..2345f5e155f 100644
--- a/Makefile
+++ b/Makefile
@@ -46,15 +46,15 @@ help: ## Display this help
 ##@ Build
 
 LD_FLAGS=-ldflags " \
-    -X main.kubeBuilderVersion=$(shell git describe --tags --dirty --broken) \
-    -X main.goos=$(shell go env GOOS) \
-    -X main.goarch=$(shell go env GOARCH) \
-    -X main.gitCommit=$(shell git rev-parse HEAD) \
-    -X main.buildDate=$(shell date -u +'%Y-%m-%dT%H:%M:%SZ') \
+    -X cmd.kubeBuilderVersion=$(shell git describe --tags --dirty --broken) \
+    -X cmd.goos=$(shell go env GOOS) \
+    -X cmd.goarch=$(shell go env GOARCH) \
+    -X cmd.gitCommit=$(shell git rev-parse HEAD) \
+    -X cmd.buildDate=$(shell date -u +'%Y-%m-%dT%H:%M:%SZ') \
     "
 .PHONY: build
 build: ## Build the project locally
-	go build $(LD_FLAGS) -o bin/kubebuilder ./cmd
+	go build $(LD_FLAGS) -o bin/kubebuilder
 
 .PHONY: install
 install: build ## Build and install the binary with the current source code. Use it to test your changes locally.
diff --git a/build/.goreleaser.yml b/build/.goreleaser.yml
index 1de47042b54..a69dbb160fd 100644
--- a/build/.goreleaser.yml
+++ b/build/.goreleaser.yml
@@ -29,16 +29,15 @@ before:
 # Build a binary for each target in targets.
 builds:
   - id: kubebuilder
-    main: ./cmd
     binary: kubebuilder
     mod_timestamp: "{{ .CommitTimestamp }}"
     ldflags:
-      - -X main.kubeBuilderVersion={{ .Version }}
-      - -X main.goos={{ .Os }}
-      - -X main.goarch={{ .Arch }}
-      - -X main.gitCommit={{ .Commit }}
-      - -X main.buildDate={{ .Date }}
-      - -X main.kubernetesVendorVersion={{ .Env.KUBERNETES_VERSION }}
+      - -X cmd.kubeBuilderVersion={{ .Version }}
+      - -X cmd.goos={{ .Os }}
+      - -X cmd.goarch={{ .Arch }}
+      - -X cmd.gitCommit={{ .Commit }}
+      - -X cmd.buildDate={{ .Date }}
+      - -X cmd.kubernetesVendorVersion={{ .Env.KUBERNETES_VERSION }}
     targets:
       - linux_amd64
       - linux_arm64
diff --git a/cmd/main.go b/cmd/cmd.go
similarity index 98%
rename from cmd/main.go
rename to cmd/cmd.go
index 35e9db150aa..51794956557 100644
--- a/cmd/main.go
+++ b/cmd/cmd.go
@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package cmd
 
 import (
 	"github.com/sirupsen/logrus"
@@ -36,7 +36,7 @@ func init() {
 	logrus.SetFormatter(&logrus.TextFormatter{DisableTimestamp: true})
 }
 
-func main() {
+func Run() {
 	// Bundle plugin which built the golang projects scaffold with base.go/v4 and kustomize/v2 plugins
 	gov4Bundle, _ := plugin.NewBundleWithOptions(plugin.WithName(golang.DefaultNameQualifier),
 		plugin.WithVersion(plugin.Version{Number: 4}),
diff --git a/cmd/version.go b/cmd/version.go
index 7c37c5f2bcd..2f511d7ea05 100644
--- a/cmd/version.go
+++ b/cmd/version.go
@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package main
+package cmd
 
 import (
 	"fmt"
diff --git a/doc.go b/doc.go
index f9a0cc4d13f..75b41e45926 100644
--- a/doc.go
+++ b/doc.go
@@ -18,4 +18,4 @@ limitations under the License.
 
 // Package kubebuilder contains pkged files compiled into the
 // go binaries.
-package kubebuilder
+package main
diff --git a/main.go b/main.go
new file mode 100644
index 00000000000..55d9b82e3f5
--- /dev/null
+++ b/main.go
@@ -0,0 +1,7 @@
+package main
+
+import "sigs.k8s.io/kubebuilder/v4/cmd"
+
+func main() {
+	cmd.Run()
+}