From 76e736f572323394aeb99f080059f31556405156 Mon Sep 17 00:00:00 2001
From: Dmitrii Stepanov <d.stepanov@yadro.com>
Date: Mon, 30 Oct 2023 13:28:29 +0300
Subject: [PATCH] [#3] dialer: Add `gopatch`s patch.

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
---
 Makefile            |  3 +++
 README.md           | 10 +++++++++-
 multinet.patch      |  7 +++++++
 testdata/patch_0.go | 19 +++++++++++++++++++
 testdata/patch_1.go | 14 ++++++++++++++
 5 files changed, 52 insertions(+), 1 deletion(-)
 create mode 100644 multinet.patch
 create mode 100644 testdata/patch_0.go
 create mode 100644 testdata/patch_1.go

diff --git a/Makefile b/Makefile
index 25f9279..b9bf237 100644
--- a/Makefile
+++ b/Makefile
@@ -4,3 +4,6 @@ integration-test:
 
 test:
 	go test -count=1 -v ./...
+
+patch-example:
+	gopatch -d -p ./multinet.patch ./testdata/patch*
\ No newline at end of file
diff --git a/README.md b/README.md
index b08a363..86c09c1 100644
--- a/README.md
+++ b/README.md
@@ -38,4 +38,12 @@ if err != nil {
 `Multidialer` exposes `UpdateInterface()` method for updating state of a single link.
 `NetlinkWatcher` can wrap `Multidialer` type and perform all updates automatically.
 
-TODO: describe needed capabilities here.
\ No newline at end of file
+TODO: describe needed capabilities here.
+
+## Patch
+
+To perform refactoring (use `multinet.Dial` instead of `net.Dial`) using [gopatch](https://github.com/uber-go/gopatch):
+
+```bash
+gopatch -p ./multinet.patch <project directory>
+```
\ No newline at end of file
diff --git a/multinet.patch b/multinet.patch
new file mode 100644
index 0000000..dcae3f2
--- /dev/null
+++ b/multinet.patch
@@ -0,0 +1,7 @@
+@@
+@@
++import "git.frostfs.info/TrueCloudLab/multinet"
+-import "net"
+
+-net.Dial(...)
++multinet.Dial(...)
\ No newline at end of file
diff --git a/testdata/patch_0.go b/testdata/patch_0.go
new file mode 100644
index 0000000..0e1d610
--- /dev/null
+++ b/testdata/patch_0.go
@@ -0,0 +1,19 @@
+package main
+
+import (
+	"log"
+	"net"
+)
+
+const addr = "s01.frostfs.devenv:8080"
+
+func main() {
+	_, err := net.Dial(getNetwork(), addr)
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func getNetwork() string {
+	return "tcp"
+}
diff --git a/testdata/patch_1.go b/testdata/patch_1.go
new file mode 100644
index 0000000..42dccbe
--- /dev/null
+++ b/testdata/patch_1.go
@@ -0,0 +1,14 @@
+package main
+
+import (
+	"log"
+	"net"
+)
+
+func main() {
+	ip := net.IPv4(192, 168, 0, 10)
+	_, err := net.Dial("tcp", ip.String()+":8080")
+	if err != nil {
+		log.Fatal(err)
+	}
+}