From 5dc1cbdb7f7aa9aad7592595147a36bf7db09187 Mon Sep 17 00:00:00 2001
From: Runxi Yu <me@runxiyu.org>
Date: Mon, 17 Feb 2025 11:54:14 +0800
Subject: [PATCH] git_hooks_deploy.go: Deploy hooks to filesystem

---
 git_hooks_deploy.go | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 main.go             |  5 +++++

diff --git a/git_hooks_deploy.go b/git_hooks_deploy.go
new file mode 100644
index 0000000000000000000000000000000000000000..01be550191d779c3237431d86b13d665a5a61e92
--- /dev/null
+++ b/git_hooks_deploy.go
@@ -0,0 +1,50 @@
+package main
+
+import (
+	"errors"
+	"io"
+	"os"
+	"path/filepath"
+)
+
+func deploy_hooks_to_filesystem() (err error) {
+	err = func() error {
+		src_fd, err := resources_fs.Open("git_hooks_client/git_hooks_client")
+		if err != nil {
+			return err
+		}
+		defer src_fd.Close()
+
+		dst_fd, err := os.OpenFile(filepath.Join(config.Hooks.Execs, "git_hooks_client"), os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0o755)
+		if err != nil {
+			return err
+		}
+		defer dst_fd.Close()
+
+		_, err = io.Copy(dst_fd, src_fd)
+		if err != nil {
+			return err
+		}
+
+		return nil
+	}()
+	if err != nil {
+		return err
+	}
+
+	err = os.Chmod(filepath.Join(config.Hooks.Execs, "git_hooks_client"), 0755)
+	if err != nil {
+		return err
+	}
+
+	for _, hook_name := range []string{
+		"pre-receive",
+	} {
+		err = os.Symlink(filepath.Join(config.Hooks.Execs, "git_hooks_client"), filepath.Join(config.Hooks.Execs, hook_name))
+		if err != nil && !errors.Is(err, os.ErrExist) {
+			return err
+		}
+	}
+
+	return nil
+}
diff --git a/main.go b/main.go
index 23ee558628721ed63087d06cbae2ca2d0a0ae7a2..90dfaee44bed1e473df8f73005c51f3ef7d260f0 100644
--- a/main.go
+++ b/main.go
@@ -21,6 +21,11 @@ 	if err != nil {
 		clog.Fatal(1, "Loading configuration: "+err.Error())
 	}
 
+	err = deploy_hooks_to_filesystem()
+	if err != nil {
+		clog.Fatal(1, "Deploying hooks to filesystem: "+err.Error())
+	}
+
 	err = load_templates()
 	if err != nil {
 		clog.Fatal(1, "Loading templates: "+err.Error())

-- 
2.48.1