From 5591a21ed9693e5ba906d5e0a61b95ca2edd2771 Mon Sep 17 00:00:00 2001
From: Mustafa Gezen <mustafa@rockylinux.org>
Date: Wed, 16 Dec 2020 14:22:08 +0100
Subject: [PATCH] support patches that create new files

---
 internal/process.go | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/internal/process.go b/internal/process.go
index e53352f..056fc92 100644
--- a/internal/process.go
+++ b/internal/process.go
@@ -266,7 +266,7 @@ func ProcessRPM(pd *ProcessData) {
 						srcPath = filepath.Join("SOURCES", patchedFile.NewName)
 					}
 					var output bytes.Buffer
-					if !patchedFile.IsDelete {
+					if !patchedFile.IsDelete && !patchedFile.IsNew {
 						patchSubjectFile, err := w.Filesystem.Open(srcPath)
 						if err != nil {
 							log.Fatalf("could not open patch subject: %v", err)
@@ -282,7 +282,21 @@ func ProcessRPM(pd *ProcessData) {
 					_ = w.Filesystem.Remove(oldName)
 					_ = w.Filesystem.Remove(srcPath)
 
-					if !patchedFile.IsDelete {
+					if patchedFile.IsNew {
+						newFile, err := w.Filesystem.Create(srcPath)
+						if err != nil {
+							log.Fatalf("could not create new file: %v", err)
+						}
+						_, err = newFile.Write(output.Bytes())
+						if err != nil {
+							log.Fatalf("could not write post-patch file: %v", err)
+						}
+						_, err = w.Add(srcPath)
+						if err != nil {
+							log.Fatalf("could not add file %s to git: %v", srcPath, err)
+						}
+						log.Printf("git add %s", srcPath)
+					} else if !patchedFile.IsDelete {
 						newFile, err := w.Filesystem.Create(srcPath)
 						if err != nil {
 							log.Fatalf("could not create post-patch file: %v", err)