From a2291d44c4abef06f75c56c0738348c74caccaf3 Mon Sep 17 00:00:00 2001
From: Tom Payne <tom.payne@flarm.com>
Date: Thu, 21 Sep 2023 16:26:34 +0200
Subject: [PATCH] automatically format generated files with go fmt

---
 pkg/conversion/conversion.go      | 15 ++++++++++++---
 pkg/conversion/conversion_test.go | 19 ++++++++++---------
 2 files changed, 22 insertions(+), 12 deletions(-)

diff --git a/pkg/conversion/conversion.go b/pkg/conversion/conversion.go
index 844434b30..524c7703e 100644
--- a/pkg/conversion/conversion.go
+++ b/pkg/conversion/conversion.go
@@ -4,6 +4,7 @@ package conversion
 import (
 	"bytes"
 	"fmt"
+	"go/format"
 	"io"
 	"math"
 	"net/http"
@@ -520,6 +521,14 @@ func processField(fieldDef *dialectField) (*outField, error) {
 	return outF, nil
 }
 
+func formatSource(src []byte) []byte {
+	formattedSource, err := format.Source(src)
+	if err != nil {
+		return src
+	}
+	return formattedSource
+}
+
 func writeDialect(
 	dir string,
 	defName string,
@@ -541,7 +550,7 @@ func writeDialect(
 		return err
 	}
 
-	return os.WriteFile(filepath.Join(dir, "dialect.go"), buf.Bytes(), 0o644)
+	return os.WriteFile(filepath.Join(dir, "dialect.go"), formatSource(buf.Bytes()), 0o644)
 }
 
 func writeEnum(
@@ -560,7 +569,7 @@ func writeEnum(
 		return err
 	}
 
-	return os.WriteFile(filepath.Join(dir, "enum_"+strings.ToLower(enum.Name)+".go"), buf.Bytes(), 0o644)
+	return os.WriteFile(filepath.Join(dir, "enum_"+strings.ToLower(enum.Name)+".go"), formatSource(buf.Bytes()), 0o644)
 }
 
 func writeMessage(
@@ -579,7 +588,7 @@ func writeMessage(
 		return err
 	}
 
-	return os.WriteFile(filepath.Join(dir, "message_"+strings.ToLower(msg.OrigName)+".go"), buf.Bytes(), 0o644)
+	return os.WriteFile(filepath.Join(dir, "message_"+strings.ToLower(msg.OrigName)+".go"), formatSource(buf.Bytes()), 0o644)
 }
 
 // Convert converts a XML definition into a Golang definition.
diff --git a/pkg/conversion/conversion_test.go b/pkg/conversion/conversion_test.go
index 1e62b39c6..74c9caa2b 100644
--- a/pkg/conversion/conversion_test.go
+++ b/pkg/conversion/conversion_test.go
@@ -47,21 +47,22 @@ const testDialect = `<?xml version="1.0"?>
 var testDialectGo = `//autogenerated:yes
 //nolint:revive,misspell,govet,lll
 package testdialect
+
 // Detected anomaly info measured by onboard sensors and actuators.
 type MessageAMessage struct {
-    // a test uint8
-    TestUint8 A_TYPE ` + "`" + `mavenum:"uint8"` + "`" + `
-    // a test string
-    TestString string ` + "`" + `mavlen:"16" mavname:"Test_string"` + "`" + `
-    // a test array
-    TestArray [4]uint32
-    // a test extension
-    MissionType MAV_MISSION_TYPE ` + "`" + `mavenum:"uint8" mavext:"true"` + "`" + `
+	// a test uint8
+	TestUint8 A_TYPE ` + "`" + `mavenum:"uint8"` + "`" + `
+	// a test string
+	TestString string ` + "`" + `mavlen:"16" mavname:"Test_string"` + "`" + `
+	// a test array
+	TestArray [4]uint32
+	// a test extension
+	MissionType MAV_MISSION_TYPE ` + "`" + `mavenum:"uint8" mavext:"true"` + "`" + `
 }
 
 // GetID implements the message.Message interface.
 func (*MessageAMessage) GetID() uint32 {
-    return 43000
+	return 43000
 }
 `