File 0001-Use-patch-instead-of-git-to-apply-opencl-clang-patch.patch of Package intel-graphics-compiler

From 361738d16246949f4a8c2bb77c23ff9ba5a3d46f Mon Sep 17 00:00:00 2001
From: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Date: Tue, 28 Mar 2023 10:34:25 +0200
Subject: [PATCH] Use patch instead of git to apply opencl-clang patches

Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 cmake/modules/CMakeFunctions.cmake | 71 +++++++-----------------------
 1 file changed, 15 insertions(+), 56 deletions(-)

diff --git a/cmake/modules/CMakeFunctions.cmake b/cmake/modules/CMakeFunctions.cmake
index d8f3503..1cd9f1e 100644
--- a/cmake/modules/CMakeFunctions.cmake
+++ b/cmake/modules/CMakeFunctions.cmake
@@ -98,64 +98,23 @@ function(apply_patches repo_dir patches_dir base_revision target_branch ret)
     endif()
 
     message(STATUS "[OPENCL-CLANG] Patching repository ${repo_dir}")
-    # Check if the target branch already exists
-    execute_process(
-        COMMAND ${GIT_EXECUTABLE} rev-parse --verify --no-revs -q ${target_branch}
-        WORKING_DIRECTORY ${repo_dir}
-        RESULT_VARIABLE patches_needed
-        OUTPUT_QUIET
-    )
-    if(patches_needed EQUAL 128) # not a git repo
-        set(ret_not_git_repo 1)
-	elseif(patches_needed) # The target branch doesn't exist
-        list(SORT patches)
-        is_valid_revision(${repo_dir} ${base_revision} exists_base_rev)
+    list(SORT patches)
+    foreach(patch ${patches})
+        execute_process( # Apply the patch
+            COMMAND patch -p1 -i ${patch}
+            WORKING_DIRECTORY ${repo_dir}
+            OUTPUT_VARIABLE patching_log
+            RESULT_VARIABLE ret_apply_patch
+	)
 
-        if(NOT ${exists_base_rev})
-            execute_process( # take SHA1 from HEAD
-                COMMAND ${GIT_EXECUTABLE} rev-parse HEAD
-                WORKING_DIRECTORY ${repo_dir}
-                OUTPUT_VARIABLE repo_head
-                OUTPUT_STRIP_TRAILING_WHITESPACE
-                )
-            message(STATUS "[OPENCL-CLANG] ref ${base_revision} not exists in repository, using current HEAD:${repo_head}")
-            set(base_revision ${repo_head})
+        if (ret_apply_patch)
+            message(STATUS "[OPENCL-CLANG] Failed to apply patch ${patch}")
+            break()
         endif()
-        execute_process( # Create the target branch
-            COMMAND ${GIT_EXECUTABLE} checkout -b ${target_branch} ${base_revision}
-            WORKING_DIRECTORY ${repo_dir}
-            RESULT_VARIABLE ret_check_out
-            ERROR_STRIP_TRAILING_WHITESPACE
-            ERROR_VARIABLE checkout_log
-            OUTPUT_QUIET
-            )
-        message(STATUS "[OPENCL-CLANG] ${checkout_log} which starts from ref : ${base_revision}")
-        foreach(patch ${patches})
-            is_backport_patch_present(${patch} ${repo_dir} patch_in_branch)
-            if(${patch_in_branch})
-                message(STATUS "[OPENCL-CLANG] Patch ${patch} is already in local branch - ignore patching")
-            else()
-                execute_process( # Apply the patch
-                    COMMAND ${GIT_EXECUTABLE} am --3way --ignore-whitespace -C0 ${patch}
-                    WORKING_DIRECTORY ${repo_dir}
-                    OUTPUT_VARIABLE patching_log
-                    RESULT_VARIABLE ret_apply_patch
-                )
-                message(STATUS "[OPENCL-CLANG] Not present - ${patching_log}")
-                if (ret_apply_patch)
-                    break()
-                endif()
-            endif()
-        endforeach(patch)
-    else() # The target branch already exists
-        execute_process( # Check it out
-            COMMAND ${GIT_EXECUTABLE} checkout ${target_branch}
-            WORKING_DIRECTORY ${repo_dir}
-            OUTPUT_QUIET
-            RESULT_VARIABLE ret_check_out
-        )
-    endif()
-	if (NOT (ret_not_git_repo OR ret_check_out OR ret_apply_patch))
+        message(STATUS "[OPENCL-CLANG] Applied patch ${patch}")
+    endforeach(patch)
+
+    if (NOT (ret_apply_patch))
         set(${ret} True PARENT_SCOPE)
     else()
         message(FATAL_ERROR "[OPENCL-CLANG] Failed to apply patch!")
-- 
2.41.0