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set(FORCE_BASH_COMPLETION_INSTALLATION FALSE CACHE BOOL "Force bash completion installation")
if(FORCE_BASH_COMPLETION_INSTALLATION AND "${BASH_COMPLETION_COMPLETIONSDIR}" STREQUAL "")
set(BASH_COMPLETION_COMPLETIONSDIR "/share/bash-completion/completions")
endif()
find_package(PkgConfig QUIET)
set_package_properties(PkgConfig
PROPERTIES
URL "https://www.freedesktop.org/wiki/Software/pkg-config/"
DESCRIPTION "helper tool"
TYPE OPTIONAL
PURPOSE "We use it to get the bash completion installation path, and replace the prefix with the value of CMAKE_INSTALL_PREFIX.")
if(PKG_CONFIG_FOUND OR FORCE_BASH_COMPLETION_INSTALLATION)
if(PKG_CONFIG_FOUND AND NOT FORCE_BASH_COMPLETION_INSTALLATION)
execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE} --variable=completionsdir bash-completion
RESULT_VARIABLE BASH_COMPLETION_UNAVAILABLE
OUTPUT_VARIABLE BASH_COMPLETION_COMPLETIONSDIR
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(NOT BASH_COMPLETION_UNAVAILABLE)
execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE} --variable=prefix bash-completion
OUTPUT_VARIABLE BASH_COMPLETION_COMPLETIONSDIR_PREFIX
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE "${BASH_COMPLETION_COMPLETIONSDIR_PREFIX}" "" BASH_COMPLETION_COMPLETIONSDIR ${BASH_COMPLETION_COMPLETIONSDIR})
endif()
endif()
if(NOT BASH_COMPLETION_UNAVAILABLE OR FORCE_BASH_COMPLETION_INSTALLATION)
set(BASH_COMPLETION_COMPLETIONSDIR "${CMAKE_INSTALL_PREFIX}${BASH_COMPLETION_COMPLETIONSDIR}" CACHE PATH "Bash completion installation directory" FORCE)
mark_as_advanced(BASH_COMPLETION_COMPLETIONSDIR)
set(BASH_COMPLETION_FOUND TRUE)
endif()
endif()
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