From b4b3148b02446cce84c0ff4ae7cb10593bade87e Mon Sep 17 00:00:00 2001
From: chaoskagami <chaos.kagami@gmail.com>
Date: Tue, 27 Dec 2016 00:10:45 -0500
Subject: [PATCH] Skip repatch of TWL / AGB unless reconfigured

---
 include/firm/firm.h |  2 +-
 source/firm/firm.c  | 11 ++++++++++-
 source/patcher.c    |  3 ++-
 3 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/include/firm/firm.h b/include/firm/firm.h
index df233ae..ea32a2f 100644
--- a/include/firm/firm.h
+++ b/include/firm/firm.h
@@ -37,7 +37,7 @@ int prepatch_firm(const char *path, const char *prepatch_path, const char* modul
 
 /* Boots the CFW, generating caches and applying patches as-needed to the specified FIRM
  */
-int boot_firm(const char *firm_path, const char *prepatch_path, const char* module_path);
+int boot_firm(const char* firm_path, const char* prepatch_path, const char* module_path);
 
 /* Loads a firmware off disk, returning it. The memory should be free()'d when done, unless you plan to boot.
  */
diff --git a/source/firm/firm.c b/source/firm/firm.c
index f0b7b5b..f45d9dc 100644
--- a/source/firm/firm.c
+++ b/source/firm/firm.c
@@ -128,6 +128,13 @@ load_firm(const char *path, size_t *size_out)
 int
 prepatch_firm(const char* firm_path, const char* prepatch_path, const char* module_path)
 {
+    FILE* test = cropen(prepatch_path, "r");
+    if (test) {
+        // Already exists.
+        crclose(test);
+        return 0;
+    }
+
     size_t size = 0;
     firm_h* firm = load_firm(firm_path, &size);
 
@@ -162,8 +169,10 @@ prepatch_firm(const char* firm_path, const char* prepatch_path, const char* modu
 int
 boot_firm(const char* firm_path, const char* prepatch_path, const char* module_path)
 {
+    firm_h* firm;
+
     size_t size = 0;
-    firm_h* firm = load_firm(firm_path, &size);
+    firm = load_firm(firm_path, &size);
 
     if (firm == NULL)
         return 1;
diff --git a/source/patcher.c b/source/patcher.c
index a91d345..99f89b6 100644
--- a/source/patcher.c
+++ b/source/patcher.c
@@ -36,7 +36,8 @@ int
 generate_patch_cache(void)
 {
     // Remove cache
-    rrmdir(PATH_LOADER_CACHE);
+    rrmdir(PATH_TEMP);
+    f_mkdir(PATH_TEMP);
     f_mkdir(PATH_LOADER_CACHE);
 
     recurse_call(PATH_PATCHES,     patch_cache_func);
-- 
2.39.5