refactor: `src` is now `src/libgit2`

1 files changed, 3 insertions, 300 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e7b54d036..f6924eff5 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,307 +1,10 @@
-add_library(git2internal OBJECT)
-set_target_properties(git2internal PROPERTIES C_STANDARD 90)
-set_target_properties(git2internal PROPERTIES C_EXTENSIONS OFF)
-
-
-if(DEPRECATE_HARD)
-        add_definitions(-DGIT_DEPRECATE_HARD)
-endif()
-
-if(DEBUG_POOL)
-	set(GIT_DEBUG_POOL 1)
-endif()
-add_feature_info(debugpool GIT_DEBUG_POOL "debug pool allocator")
-
-if(DEBUG_STRICT_ALLOC)
-	set(GIT_DEBUG_STRICT_ALLOC 1)
-endif()
-add_feature_info(debugalloc GIT_DEBUG_STRICT_ALLOC "debug strict allocators")
-
-if(DEBUG_STRICT_OPEN)
-	set(GIT_DEBUG_STRICT_OPEN 1)
-endif()
-add_feature_info(debugopen GIT_DEBUG_STRICT_OPEN "path validation in open")
-
-
-include(PkgBuildConfig)
-include(SanitizeBool)
-
-# This variable will contain the libraries we need to put into
-# libgit2.pc's Requires.private. That is, what we're linking to or
-# what someone who's statically linking us needs to link to.
-set(LIBGIT2_PC_REQUIRES "")
-# This will be set later if we use the system's http-parser library or
-# use iconv (OSX) and will be written to the Libs.private field in the
-# pc file.
-set(LIBGIT2_PC_LIBS "")
-
-set(LIBGIT2_INCLUDES
-	"${CMAKE_CURRENT_BINARY_DIR}"
-	"${PROJECT_SOURCE_DIR}/src"
-	"${PROJECT_SOURCE_DIR}/include")
-
-if(HAVE_FUTIMENS)
-	set(GIT_USE_FUTIMENS 1)
-endif ()
-add_feature_info(futimens GIT_USE_FUTIMENS "futimens support")
-
-check_prototype_definition(qsort_r
-	"void qsort_r(void *base, size_t nmemb, size_t size, void *thunk, int (*compar)(void *, const void *, const void *))"
-	"" "stdlib.h" GIT_QSORT_R_BSD)
-
-check_prototype_definition(qsort_r
-	"void qsort_r(void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *, void *), void *arg)"
-	"" "stdlib.h" GIT_QSORT_R_GNU)
-
-check_function_exists(qsort_s GIT_QSORT_S)
-
-check_function_exists(getentropy GIT_RAND_GETENTROPY)
-
-# Find required dependencies
-
-if(WIN32)
-	list(APPEND LIBGIT2_SYSTEM_LIBS ws2_32)
-elseif(CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
-	list(APPEND LIBGIT2_SYSTEM_LIBS socket nsl)
-	list(APPEND LIBGIT2_PC_LIBS "-lsocket" "-lnsl")
-elseif(CMAKE_SYSTEM_NAME MATCHES "Haiku")
-	list(APPEND LIBGIT2_SYSTEM_LIBS network)
-	list(APPEND LIBGIT2_PC_LIBS "-lnetwork")
-endif()
-
-check_library_exists(rt clock_gettime "time.h" NEED_LIBRT)
-if(NEED_LIBRT)
-	list(APPEND LIBGIT2_SYSTEM_LIBS rt)
-	list(APPEND LIBGIT2_PC_LIBS "-lrt")
-endif()
-
-if(USE_THREADS)
-	list(APPEND LIBGIT2_SYSTEM_LIBS ${CMAKE_THREAD_LIBS_INIT})
-	list(APPEND LIBGIT2_PC_LIBS ${CMAKE_THREAD_LIBS_INIT})
-endif()
-add_feature_info(threadsafe USE_THREADS "threadsafe support")
-
-
-if(WIN32 AND EMBED_SSH_PATH)
-	file(GLOB SRC_SSH "${EMBED_SSH_PATH}/src/*.c")
-	list(SORT SRC_SSH)
-	target_sources(git2internal PRIVATE ${SRC_SSH})
-
-	list(APPEND LIBGIT2_SYSTEM_INCLUDES "${EMBED_SSH_PATH}/include")
-	file(WRITE "${EMBED_SSH_PATH}/src/libssh2_config.h" "#define HAVE_WINCNG\n#define LIBSSH2_WINCNG\n#include \"../win32/libssh2_config.h\"")
-	set(GIT_SSH 1)
-endif()
-
-include(SelectHTTPSBackend)
-include(SelectHashes)
-include(SelectHTTPParser)
-include(SelectRegex)
-include(SelectSSH)
-include(SelectWinHTTP)
-include(SelectZlib)
-
-
-if(USE_SHA1 STREQUAL "CollisionDetection")
-	file(GLOB SRC_SHA1 hash/sha1/collisiondetect.* hash/sha1/sha1dc/*)
-elseif(USE_SHA1 STREQUAL "OpenSSL")
-	file(GLOB SRC_SHA1 hash/sha1/openssl.*)
-elseif(USE_SHA1 STREQUAL "CommonCrypto")
-	file(GLOB SRC_SHA1 hash/sha1/common_crypto.*)
-elseif(USE_SHA1 STREQUAL "mbedTLS")
-	file(GLOB SRC_SHA1 hash/sha1/mbedtls.*)
-elseif(USE_SHA1 STREQUAL "Win32")
-	file(GLOB SRC_SHA1 hash/sha1/win32.*)
-elseif(USE_SHA1 STREQUAL "Generic")
-	file(GLOB SRC_SHA1 hash/sha1/generic.*)
-endif()
-list(APPEND SRC_SHA1 "hash/sha1.h")
-target_sources(git2internal PRIVATE ${SRC_SHA1})
-
-# Optional external dependency: ntlmclient
-if(USE_NTLMCLIENT)
-	set(GIT_NTLM 1)
-	add_subdirectory("${PROJECT_SOURCE_DIR}/deps/ntlmclient" "${PROJECT_BINARY_DIR}/deps/ntlmclient")
-	list(APPEND LIBGIT2_DEPENDENCY_INCLUDES "${PROJECT_SOURCE_DIR}/deps/ntlmclient")
-	list(APPEND LIBGIT2_DEPENDENCY_OBJECTS "$<TARGET_OBJECTS:ntlmclient>")
-endif()
-add_feature_info(ntlmclient GIT_NTLM "NTLM authentication support for Unix")
-
-# Optional external dependency: GSSAPI
-
-include(SelectGSSAPI)
-
-# Optional external dependency: iconv
-if(USE_ICONV)
-	find_package(Iconv)
-endif()
-if(ICONV_FOUND)
-	set(GIT_USE_ICONV 1)
-	list(APPEND LIBGIT2_SYSTEM_INCLUDES ${ICONV_INCLUDE_DIR})
-	list(APPEND LIBGIT2_SYSTEM_LIBS ${ICONV_LIBRARIES})
-	list(APPEND LIBGIT2_PC_LIBS ${ICONV_LIBRARIES})
-endif()
-add_feature_info(iconv GIT_USE_ICONV "iconv encoding conversion support")
-
-
-if(USE_THREADS)
-	if(NOT WIN32)
-		find_package(Threads REQUIRED)
-	endif()
-
-	set(GIT_THREADS 1)
-endif()
-
-if(USE_NSEC)
-	set(GIT_USE_NSEC 1)
-endif()
-
-if(HAVE_STRUCT_STAT_ST_MTIM)
-	set(GIT_USE_STAT_MTIM 1)
-elseif(HAVE_STRUCT_STAT_ST_MTIMESPEC)
-	set(GIT_USE_STAT_MTIMESPEC 1)
-elseif(HAVE_STRUCT_STAT_ST_MTIME_NSEC)
-	set(GIT_USE_STAT_MTIME_NSEC 1)
-endif()
-
-target_compile_definitions(git2internal PRIVATE _FILE_OFFSET_BITS=64)
-
-# Collect sourcefiles
-file(GLOB SRC_H
-	"${PROJECT_SOURCE_DIR}/include/git2.h"
-	"${PROJECT_SOURCE_DIR}/include/git2/*.h"
-	"${PROJECT_SOURCE_DIR}/include/git2/sys/*.h")
-list(SORT SRC_H)
-target_sources(git2internal PRIVATE ${SRC_H})
-
-# On Windows use specific platform sources
-if(WIN32 AND NOT CYGWIN)
-	set(WIN_RC "win32/git2.rc")
-
-	file(GLOB SRC_OS win32/*.c win32/*.h)
-	list(SORT SRC_OS)
-	target_sources(git2internal PRIVATE ${SRC_OS})
-elseif(AMIGA)
-	target_compile_definitions(git2internal PRIVATE NO_ADDRINFO NO_READDIR_R NO_MMAP)
-else()
-	file(GLOB SRC_OS unix/*.c unix/*.h)
-	list(SORT SRC_OS)
-	target_sources(git2internal PRIVATE ${SRC_OS})
-endif()
-
-if(USE_LEAK_CHECKER STREQUAL "valgrind")
-	target_compile_definitions(git2internal PRIVATE VALGRIND)
-endif()
-
-file(GLOB SRC_GIT2 *.c *.h
-	allocators/*.c allocators/*.h
-	streams/*.c streams/*.h
-	transports/*.c transports/*.h
-	xdiff/*.c xdiff/*.h)
-list(SORT SRC_GIT2)
-target_sources(git2internal PRIVATE ${SRC_GIT2})
-
-if(APPLE)
-	# The old Secure Transport API has been deprecated in macOS 10.15.
-	set_source_files_properties(streams/stransport.c PROPERTIES COMPILE_FLAGS -Wno-deprecated)
-endif()
-
-# the xdiff dependency is not (yet) warning-free, disable warnings as
-# errors for the xdiff sources until we've sorted them out
-if(MSVC)
-	set_source_files_properties(xdiff/xdiffi.c PROPERTIES COMPILE_FLAGS -WX-)
-	set_source_files_properties(xdiff/xemit.c PROPERTIES COMPILE_FLAGS -WX-)
-	set_source_files_properties(xdiff/xhistogram.c PROPERTIES COMPILE_FLAGS -WX-)
-	set_source_files_properties(xdiff/xmerge.c PROPERTIES COMPILE_FLAGS -WX-)
-	set_source_files_properties(xdiff/xutils.c PROPERTIES COMPILE_FLAGS -WX-)
-	set_source_files_properties(xdiff/xpatience.c PROPERTIES COMPILE_FLAGS -WX-)
-else()
-	set_source_files_properties(xdiff/xdiffi.c PROPERTIES COMPILE_FLAGS "-Wno-sign-compare -Wno-unused-parameter")
-	set_source_files_properties(xdiff/xemit.c PROPERTIES COMPILE_FLAGS "-Wno-sign-compare -Wno-unused-parameter")
-	set_source_files_properties(xdiff/xhistogram.c PROPERTIES COMPILE_FLAGS "-Wno-sign-compare")
-	set_source_files_properties(xdiff/xutils.c PROPERTIES COMPILE_FLAGS "-Wno-sign-compare")
-	set_source_files_properties(xdiff/xpatience.c PROPERTIES COMPILE_FLAGS "-Wno-sign-compare")
-endif()
-
-# Determine architecture of the machine
-if(CMAKE_SIZEOF_VOID_P EQUAL 8)
-	set(GIT_ARCH_64 1)
-elseif(CMAKE_SIZEOF_VOID_P EQUAL 4)
-	set(GIT_ARCH_32 1)
-elseif(CMAKE_SIZEOF_VOID_P)
-	message(FATAL_ERROR "Unsupported architecture (pointer size is ${CMAKE_SIZEOF_VOID_P} bytes)")
-else()
-	message(FATAL_ERROR "Unsupported architecture (CMAKE_SIZEOF_VOID_P is unset)")
-endif()
-
-configure_file(features.h.in git2/sys/features.h)
-
-ide_split_sources(git2internal)
-list(APPEND LIBGIT2_OBJECTS $<TARGET_OBJECTS:git2internal> ${LIBGIT2_DEPENDENCY_OBJECTS})
-
-target_include_directories(git2internal PRIVATE ${LIBGIT2_INCLUDES} ${LIBGIT2_DEPENDENCY_INCLUDES} PUBLIC ${PROJECT_SOURCE_DIR}/include)
-target_include_directories(git2internal SYSTEM PRIVATE ${LIBGIT2_SYSTEM_INCLUDES})
+add_subdirectory(libgit2)
 
+# re-export these to the root so that peer projects (tests, fuzzers,
+# examples) can use them
 set(LIBGIT2_INCLUDES ${LIBGIT2_INCLUDES} PARENT_SCOPE)
 set(LIBGIT2_OBJECTS ${LIBGIT2_OBJECTS} PARENT_SCOPE)
 set(LIBGIT2_DEPENDENCY_INCLUDES ${LIBGIT2_DEPENDENCY_INCLUDES} PARENT_SCOPE)
 set(LIBGIT2_DEPENDENCY_OBJECTS ${LIBGIT2_DEPENDENCY_OBJECTS} PARENT_SCOPE)
 set(LIBGIT2_SYSTEM_INCLUDES ${LIBGIT2_SYSTEM_INCLUDES} PARENT_SCOPE)
 set(LIBGIT2_SYSTEM_LIBS ${LIBGIT2_SYSTEM_LIBS} PARENT_SCOPE)
-
-if(XCODE_VERSION)
-	# This is required for Xcode to actually link the libgit2 library
-	# when using only object libraries.
-	file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/dummy.c "")
-	list(APPEND LIBGIT2_OBJECTS ${CMAKE_CURRENT_BINARY_DIR}/dummy.c)
-endif()
-
-# Compile and link libgit2
-add_library(git2 ${WIN_RC} ${LIBGIT2_OBJECTS})
-target_link_libraries(git2 ${LIBGIT2_SYSTEM_LIBS})
-
-set_target_properties(git2 PROPERTIES C_STANDARD 90)
-set_target_properties(git2 PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
-set_target_properties(git2 PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
-set_target_properties(git2 PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
-
-# Workaround for Cmake bug #0011240 (see http://public.kitware.com/Bug/view.php?id=11240)
-# Win64+MSVC+static libs = linker error
-if(MSVC AND GIT_ARCH_64 AND NOT BUILD_SHARED_LIBS)
-	set_target_properties(git2 PROPERTIES STATIC_LIBRARY_FLAGS "/MACHINE:x64")
-endif()
-
-ide_split_sources(git2)
-
-if(SONAME)
-	set_target_properties(git2 PROPERTIES VERSION ${libgit2_VERSION})
-	set_target_properties(git2 PROPERTIES SOVERSION "${libgit2_VERSION_MAJOR}.${libgit2_VERSION_MINOR}")
-	if(LIBGIT2_FILENAME)
-		target_compile_definitions(git2 PRIVATE LIBGIT2_FILENAME=\"${LIBGIT2_FILENAME}\")
-		set_target_properties(git2 PROPERTIES OUTPUT_NAME ${LIBGIT2_FILENAME})
-	elseif(DEFINED LIBGIT2_PREFIX)
-		set_target_properties(git2 PROPERTIES PREFIX "${LIBGIT2_PREFIX}")
-	endif()
-endif()
-
-pkg_build_config(NAME libgit2
-	VERSION ${libgit2_VERSION}
-	DESCRIPTION "The git library, take 2"
-	LIBS_SELF git2
-	PRIVATE_LIBS ${LIBGIT2_PC_LIBS}
-	REQUIRES ${LIBGIT2_PC_REQUIRES}
-)
-
-if(MSVC_IDE)
-	# Precompiled headers
-	set_target_properties(git2 PROPERTIES COMPILE_FLAGS "/Yuprecompiled.h /FIprecompiled.h")
-	set_source_files_properties(win32/precompiled.c COMPILE_FLAGS "/Ycprecompiled.h")
-endif()
-
-# Install
-install(TARGETS git2
-	RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
-	LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-	ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-)
-install(DIRECTORY ${PROJECT_SOURCE_DIR}/include/git2 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
-install(FILES ${PROJECT_SOURCE_DIR}/include/git2.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})