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path: root/cmake/Internal/CPack/CPackRPM.cmake
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#
# Wrapper for CPackRPM.cmake
#

#
# Support for per-component LICENSE and VENDOR
#
# per component values, if present, are copied into global CPACK_RPM_PACKAGE_xxx
#
macro(set_from_component WHAT)
  set(orig_CPACK_RPM_PACKAGE_${WHAT} ${CPACK_RPM_PACKAGE_${WHAT}})
  if(CPACK_RPM_${CPACK_RPM_PACKAGE_COMPONENT}_PACKAGE_${WHAT})
    set(CPACK_RPM_PACKAGE_${WHAT} ${CPACK_RPM_${CPACK_RPM_PACKAGE_COMPONENT}_PACKAGE_${WHAT}})
  endif()
endmacro()
macro(restore WHAT)
  set(CPACK_RPM_PACKAGE_${WHAT} ${orig_CPACK_RPM_PACKAGE_${WHAT}})
endmacro()

set_from_component(LICENSE)
set_from_component(VENDOR)

#
# Support for the %posttrans scriptlet
#
# the scriptlet, if present, is appended (together with the %posttrans tag)
# to the pre-uninstall scriptlet
#
set(base_time "PRE")
set(base_type "UNINSTALL")
set(base_var CPACK_RPM_${CPACK_RPM_PACKAGE_COMPONENT}_${base_time}_${base_type}_SCRIPT_FILE)
set(acc)

macro(read_one_file time_ type_ tag_)
  set(var CPACK_RPM_${CPACK_RPM_PACKAGE_COMPONENT}_${time_}_${type_}_SCRIPT_FILE)
  if (${var})
    file(READ ${${var}} content)
    set(acc "${tag_}\n${content}\n\n${acc}")
  endif()
endmacro()

read_one_file("POST" "TRANS" "%posttrans")
if (acc)
  set(orig_${base_var} ${${base_var}})
  read_one_file(${base_time} ${base_type} "")
  set(${base_var} ${CPACK_TOPLEVEL_DIRECTORY}/SPECS/${CPACK_RPM_PACKAGE_COMPONENT}_${base_time}_${base_type}.scriptlet)
  file(WRITE ${${base_var}} "${acc}")
endif()

# load the original CPackRPM.cmake
set(orig_CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH})
unset(CMAKE_MODULE_PATH)
if (CMAKE_VERSION VERSION_GREATER "3.12.99")
  include(Internal/CPack/CPackRPM)
else()
  include(CPackRPM)
endif()
set(CMAKE_MODULE_PATH ${orig_CMAKE_MODULE_PATH})

restore(LICENSE)
restore(VENDOR)
set(${base_var} ${orig_${base_var}})

# per-component cleanup
foreach(_RPM_SPEC_HEADER URL REQUIRES SUGGESTS PROVIDES OBSOLETES PREFIX CONFLICTS AUTOPROV AUTOREQ AUTOREQPROV)
  unset(TMP_RPM_${_RPM_SPEC_HEADER})
  unset(CPACK_RPM_PACKAGE_${_RPM_SPEC_HEADER}_TMP)
endforeach()