# Use our cli tools as an ordering clue to cmake: the project
# needs to be built before we can populate anything. The tools depend
# on all the libraries so we get a good coverage.
get_property(TOOLPROGS DIRECTORY ../tools PROPERTY BUILDSYSTEM_TARGETS)

function(os_release var key)
	execute_process(
		COMMAND sh -c ". /etc/os-release; echo $${key}"
		OUTPUT_STRIP_TRAILING_WHITESPACE
		OUTPUT_VARIABLE value
	)
	string(TOLOWER ${value} value)
	set(${var} ${value} PARENT_SCOPE)
endfunction()

set(PYTHON ${Python3_EXECUTABLE})
if (WITH_SEQUOIA)
	set(PGP sequoia)
elseif (WITH_LEGACY_OPENPGP)
	set(PGP legacy)
else()
	set(PGP dummy)
endif()
set(HAVE_UNSHARE ${HAVE_UNSHARE})

set(TESTSUITE_AT
	rpmpgp.at
	rpmgeneral.at
	rpmvercmp.at
	rpmmacro.at
	rpmapi.at
	rpmdevel.at
	rpmpython.at
	rpmpython2.at
	rpmdepmatch.at
	rpmquery.at
	rpmspec.at
	rpmvfylevel.at
	rpmsigdig.at
	rpmpkgfmt.at
	rpmio.at
	rpmverify.at
	rpmdb.at
	rpmi.at
	rpme.at
	rpmorder.at
	rpmbuild.at
	rpmbuildid.at
	rpmscript.at
	rpmdeps.at
	rpmconflict.at
	rpmreplace.at
	rpmconfig.at
	rpmconfig2.at
	rpmconfig3.at
	rpmbrp.at
)

FILE(REMOVE ${CMAKE_CURRENT_BINARY_DIR}/rpmtests.at)
FILE(APPEND ${CMAKE_CURRENT_BINARY_DIR}/rpmtests.at "m4_define([RPM_PGP], [${PGP}])\n")
foreach(at ${TESTSUITE_AT})
	FILE(APPEND ${CMAKE_CURRENT_BINARY_DIR}/rpmtests.at "m4_include([${at}])\n")
endforeach()

set(TESTPROGS rpmpgpcheck rpmpgppubkeyfingerprint readpkgnullts rpmdig)
foreach(prg ${TESTPROGS})
	add_executable(${prg} EXCLUDE_FROM_ALL ${prg}.c)
	target_link_libraries(${prg} PRIVATE librpm)
endforeach()
string(REPLACE ";" " " TESTPROG_NAMES "${TESTPROGS}")

set(PINNED_DIR ${CMAKE_CURRENT_SOURCE_DIR}/pinned)

include(ProcessorCount)
ProcessorCount(nproc)
if (nproc GREATER 1)
	set(JOBS -j${nproc})
endif()

# Set up mktree
set(MKTREE_BACKEND oci CACHE STRING "Mktree backend to use")
if (MKTREE_BACKEND STREQUAL oci)
	find_program(PODMAN podman)
	find_program(DOCKER docker)
	mark_as_advanced(PODMAN DOCKER)
	os_release(OS_NAME ID)
	os_release(OS_VERSION VERSION_ID)
	set(DOCKERFILE ${CMAKE_CURRENT_SOURCE_DIR}/Dockerfile.${OS_NAME})
	if (PODMAN AND EXISTS ${DOCKERFILE})
		set(MKTREE_NATIVE yes)
		configure_file(${DOCKERFILE} Dockerfile COPYONLY)
		add_custom_target(ci
			COMMAND ./mktree.oci build
			COMMAND ./mktree.oci check ${JOBS} $(TESTOPTS)
			COMMAND ./mktree.oci clean
			WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
		)
	else()
		set(MKTREE_NATIVE no)
		configure_file(Dockerfile Dockerfile COPYONLY)
	endif()
	find_program(PODMAN NAMES podman docker REQUIRED)
elseif (MKTREE_BACKEND STREQUAL rootfs)
	set(MKTREE_NATIVE yes)
	find_program(BWRAP bwrap REQUIRED)
	mark_as_advanced(BWRAP)
endif()
message(STATUS "Using mktree backend: ${MKTREE_BACKEND} "
	       "(native: ${MKTREE_NATIVE})")
configure_file(mktree.common mktree.common @ONLY)
configure_file(mktree.${MKTREE_BACKEND} mktree @ONLY)
configure_file(setup.sh setup.sh @ONLY)

if (MKTREE_NATIVE)
	find_program(AUTOM4TE autom4te REQUIRED)
	mark_as_advanced(AUTOM4TE)
	set(AUTOTEST ${AUTOM4TE} --language=autotest)

	configure_file(atlocal.in atlocal @ONLY)
	configure_file(package.m4.in package.m4 @ONLY)

	add_custom_command(OUTPUT rpmtests
		COMMAND ${AUTOTEST} -I ${CMAKE_CURRENT_SOURCE_DIR}
			-o rpmtests rpmtests.at
		DEPENDS ${TESTSUITE_AT} rpmtests.at
		DEPENDS local.at
	)

	add_custom_target(tree
		COMMAND ./mktree build
		DEPENDS rpmtests
		DEPENDS ${TESTPROGS}
		DEPENDS ${TOOLPROGS}
	)
else()
	add_custom_target(tree COMMAND ./mktree build)
endif()

add_custom_target(atshell
	COMMAND ./mktree atshell ||:
	COMMAND ./mktree clean
	DEPENDS tree
)

add_custom_target(pinned
	COMMAND ./mktree atshell /pinned/update
	COMMAND cp pinned/*.txt ${PINNED_DIR}/
	COMMAND git add ${PINNED_DIR}/*.txt
	COMMAND git diff --staged ${PINNED_DIR}/*.txt
	COMMAND ./mktree clean
	DEPENDS tree
)

add_custom_target(shell
	COMMAND ./mktree shell ||:
	COMMAND ./mktree clean
	DEPENDS tree
)

add_custom_target(check
	COMMAND ./mktree check ${JOBS} $(TESTOPTS)
	COMMAND ./mktree clean
	DEPENDS tree
)

add_custom_target(reset
	COMMAND ./mktree reset
)