diff --git a/.gitignore b/.gitignore
index 6ded10067a9e97..9e19c20024c2a1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 /fuzz_corpora
 /fuzz-pack-headers
 /fuzz-pack-idx
+/GIT-BUILD-DIR
 /GIT-BUILD-OPTIONS
 /GIT-CFLAGS
 /GIT-LDFLAGS
diff --git a/Makefile b/Makefile
index 9d062b6b7357dd..746d0dabcf3687 100644
--- a/Makefile
+++ b/Makefile
@@ -3082,6 +3082,7 @@ else
 	@echo RUNTIME_PREFIX=\'false\' >>$@+
 endif
 	@if cmp $@+ $@ >/dev/null 2>&1; then $(RM) $@+; else mv $@+ $@; fi
+	@if test -f GIT-BUILD-DIR; then rm GIT-BUILD-DIR; fi
 
 ### Detect Python interpreter path changes
 ifndef NO_PYTHON
diff --git a/contrib/buildsystems/CMakeLists.txt b/contrib/buildsystems/CMakeLists.txt
index 4f366765f75f19..38bc1f9a71e5e5 100644
--- a/contrib/buildsystems/CMakeLists.txt
+++ b/contrib/buildsystems/CMakeLists.txt
@@ -1105,18 +1105,14 @@ endif()
 #Make the tests work when building out of the source tree
 get_filename_component(CACHE_PATH ${CMAKE_CURRENT_LIST_DIR}/../../CMakeCache.txt ABSOLUTE)
 if(NOT ${CMAKE_BINARY_DIR}/CMakeCache.txt STREQUAL ${CACHE_PATH})
-	file(RELATIVE_PATH BUILD_DIR_RELATIVE ${CMAKE_SOURCE_DIR} ${CMAKE_BINARY_DIR}/CMakeCache.txt)
-	string(REPLACE "/CMakeCache.txt" "" BUILD_DIR_RELATIVE ${BUILD_DIR_RELATIVE})
 	#Setting the build directory in test-lib.sh before running tests
 	file(WRITE ${CMAKE_BINARY_DIR}/CTestCustom.cmake
-		"file(STRINGS ${CMAKE_SOURCE_DIR}/t/test-lib.sh GIT_BUILD_DIR_REPL REGEX \"GIT_BUILD_DIR=(.*)\")\n"
-		"file(STRINGS ${CMAKE_SOURCE_DIR}/t/test-lib.sh content NEWLINE_CONSUME)\n"
-		"string(REPLACE \"\${GIT_BUILD_DIR_REPL}\" \"GIT_BUILD_DIR=\\\"$TEST_DIRECTORY/../${BUILD_DIR_RELATIVE}\\\"\" content \"\${content}\")\n"
-		"file(WRITE ${CMAKE_SOURCE_DIR}/t/test-lib.sh \${content})")
+		"file(WRITE ${CMAKE_SOURCE_DIR}/GIT-BUILD-DIR \"${CMAKE_BINARY_DIR}\")")
 	#misc copies
 	file(COPY ${CMAKE_SOURCE_DIR}/t/chainlint.pl DESTINATION ${CMAKE_BINARY_DIR}/t/)
 	file(COPY ${CMAKE_SOURCE_DIR}/po/is.po DESTINATION ${CMAKE_BINARY_DIR}/po/)
-	file(COPY ${CMAKE_SOURCE_DIR}/mergetools/tkdiff DESTINATION ${CMAKE_BINARY_DIR}/mergetools/)
+	file(GLOB mergetools "${CMAKE_SOURCE_DIR}/mergetools/*")
+	file(COPY ${mergetools} DESTINATION ${CMAKE_BINARY_DIR}/mergetools/)
 	file(COPY ${CMAKE_SOURCE_DIR}/contrib/completion/git-prompt.sh DESTINATION ${CMAKE_BINARY_DIR}/contrib/completion/)
 	file(COPY ${CMAKE_SOURCE_DIR}/contrib/completion/git-completion.bash DESTINATION ${CMAKE_BINARY_DIR}/contrib/completion/)
 endif()
@@ -1126,8 +1122,12 @@ file(GLOB test_scipts "${CMAKE_SOURCE_DIR}/t/t[0-9]*.sh")
 #test
 foreach(tsh ${test_scipts})
 	add_test(NAME ${tsh}
-		COMMAND ${SH_EXE} ${tsh}
+		COMMAND ${SH_EXE} ${tsh} --no-bin-wrappers --no-chain-lint -vx
 		WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/t)
 endforeach()
 
+# This test script takes an extremely long time and is known to time out even
+# on fast machines because it requires in excess of one hour to run
+set_tests_properties("${CMAKE_SOURCE_DIR}/t/t7112-reset-submodule.sh" PROPERTIES TIMEOUT 4000)
+
 endif()#BUILD_TESTING
diff --git a/t/t0060-path-utils.sh b/t/t0060-path-utils.sh
index a62c8ab1efc255..48433abca1cd98 100755
--- a/t/t0060-path-utils.sh
+++ b/t/t0060-path-utils.sh
@@ -566,6 +566,14 @@ test_expect_success MINGW 'MSYSTEM/PATH is adjusted if necessary' '
 		pretend/mingw64/libexec/git-core pretend/usr/bin &&
 	cp "$GIT_EXEC_PATH"/git.exe pretend/mingw64/bin/ &&
 	cp "$GIT_EXEC_PATH"/git.exe pretend/mingw64/libexec/git-core/ &&
+	# copy the .dll files, if any (happens when building via CMake)
+	case "$GIT_EXEC_PATH"/*.dll in
+	*/"*.dll") ;; # no `.dll` files to be copied
+	*)
+		cp "$GIT_EXEC_PATH"/*.dll pretend/mingw64/bin/ &&
+		cp "$GIT_EXEC_PATH"/*.dll pretend/mingw64/libexec/git-core/
+		;;
+	esac &&
 	echo "env | grep MSYSTEM=" | write_script "$HOME"/bin/git-test-home &&
 	echo "echo mingw64" | write_script pretend/mingw64/bin/git-test-bin &&
 	echo "echo usr" | write_script pretend/usr/bin/git-test-bin2 &&
diff --git a/t/test-lib.sh b/t/test-lib.sh
index 4e45bc7c4f16fc..3d998d998e6cd3 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -51,11 +51,30 @@ then
 	TEST_OUTPUT_DIRECTORY=$TEST_DIRECTORY
 fi
 GIT_BUILD_DIR="${TEST_DIRECTORY%/t}"
-if test "$TEST_DIRECTORY" = "$GIT_BUILD_DIR"
+if test -f "$GIT_BUILD_DIR/GIT-BUILD-DIR"
+then
+	GIT_BUILD_DIR="$(cat "$GIT_BUILD_DIR/GIT-BUILD-DIR")" || exit 1
+	# On Windows, we must convert Windows paths lest they contain a colon
+	case "$(uname -s)" in
+	*MINGW*)
+		GIT_BUILD_DIR="$(cygpath -au "$GIT_BUILD_DIR")"
+		;;
+	esac
+elif test "$TEST_DIRECTORY" = "$GIT_BUILD_DIR"
 then
 	echo "PANIC: Running in a $TEST_DIRECTORY that doesn't end in '/t'?" >&2
 	exit 1
 fi
+if test -f "$GIT_BUILD_DIR/GIT-BUILD-DIR"
+then
+	GIT_BUILD_DIR="$(cat "$GIT_BUILD_DIR/GIT-BUILD-DIR")" || exit 1
+	# On Windows, we must convert Windows paths lest they contain a colon
+	case "$(uname -s)" in
+	*MINGW*)
+		GIT_BUILD_DIR="$(cygpath -au "$GIT_BUILD_DIR")"
+		;;
+	esac
+fi
 
 # Prepend a string to a VAR using an arbitrary ":" delimiter, not
 # adding the delimiter if VAR or VALUE is empty. I.e. a generalized: