include(${CMAKE_TRIPLET_FILE})
include(vcpkg_common_functions)
find_program(GIT git)

set(GIT_URL "https://github.com/gflags/gflags.git")
set(GIT_TAG "v2.1.2")

if(NOT EXISTS "${DOWNLOADS}/gflags.git")
    message(STATUS "Cloning")
    vcpkg_execute_required_process(
        COMMAND ${GIT} clone --bare ${GIT_URL} ${DOWNLOADS}/gflags.git
        WORKING_DIRECTORY ${DOWNLOADS}
        LOGNAME clone
    )
endif()
message(STATUS "Cloning done")

if(NOT EXISTS "${CURRENT_BUILDTREES_DIR}/src/.git")
    message(STATUS "Adding worktree and patching")
    file(MAKE_DIRECTORY ${CURRENT_BUILDTREES_DIR})
    vcpkg_execute_required_process(
        COMMAND ${GIT} worktree add -f --detach ${CURRENT_BUILDTREES_DIR}/src ${GIT_TAG}
        WORKING_DIRECTORY ${DOWNLOADS}/gflags.git
        LOGNAME worktree
    )
    message(STATUS "Patching")
    vcpkg_execute_required_process(
        COMMAND ${GIT} apply ${CMAKE_CURRENT_LIST_DIR}/0001-Fix-some-compilation-warnings-with-MSVC-2015.patch --ignore-whitespace --whitespace=fix
        WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR}/src
        LOGNAME patch
    )
endif()
message(STATUS "Adding worktree and patching done")

vcpkg_configure_cmake(
    SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src
)

vcpkg_install_cmake()

if(VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
    file(MAKE_DIRECTORY ${CURRENT_PACKAGES_DIR}/bin ${CURRENT_PACKAGES_DIR}/debug/bin)
    file(RENAME ${CURRENT_PACKAGES_DIR}/lib/gflags.dll ${CURRENT_PACKAGES_DIR}/bin/gflags.dll)
    file(RENAME ${CURRENT_PACKAGES_DIR}/lib/gflags_nothreads.dll ${CURRENT_PACKAGES_DIR}/bin/gflags_nothreads.dll)
    file(RENAME ${CURRENT_PACKAGES_DIR}/debug/lib/gflags.dll ${CURRENT_PACKAGES_DIR}/debug/bin/gflags.dll)
    file(RENAME ${CURRENT_PACKAGES_DIR}/debug/lib/gflags_nothreads.dll ${CURRENT_PACKAGES_DIR}/debug/bin/gflags_nothreads.dll)
endif()

file(MAKE_DIRECTORY ${CURRENT_PACKAGES_DIR}/share)
file(RENAME ${CURRENT_PACKAGES_DIR}/cmake ${CURRENT_PACKAGES_DIR}/share/gflags)
file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/cmake)

file(INSTALL ${CURRENT_BUILDTREES_DIR}/src/COPYING.txt DESTINATION ${CURRENT_PACKAGES_DIR}/share/gflags RENAME copyright)

vcpkg_copy_pdbs()