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CMake/Tests/RunCMake/if/FilePermissions.cmake
Marc Chevrier 337bc5662c if(): add operators IS_READABLE, IS_WRITABLE and IS_EXECUTABLE. 
Offers possibility to check for file or directory permissions.
2023-11-01 14:53:31 +01:00

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CMake
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file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/readable.txt"
"${CMAKE_CURRENT_BINARY_DIR}/writable.txt"
"${CMAKE_CURRENT_BINARY_DIR}/executable.txt")
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/readable.txt" "foo")
file(CHMOD "${CMAKE_CURRENT_BINARY_DIR}/readable.txt" PERMISSIONS OWNER_READ GROUP_READ WORLD_READ)
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/writable.txt" "foo")
file(CHMOD "${CMAKE_CURRENT_BINARY_DIR}/writable.txt" PERMISSIONS OWNER_WRITE GROUP_WRITE WORLD_WRITE)
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/executable.txt" "foo")
file(CHMOD "${CMAKE_CURRENT_BINARY_DIR}/executable.txt" PERMISSIONS OWNER_EXECUTE GROUP_EXECUTE WORLD_EXECUTE)
if(NOT WIN32)
file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/readable-dir"
"${CMAKE_CURRENT_BINARY_DIR}/writable-dir"
"${CMAKE_CURRENT_BINARY_DIR}/executable-dir")
file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/readable-dir")
file(CHMOD "${CMAKE_CURRENT_BINARY_DIR}/readable-dir" PERMISSIONS OWNER_READ GROUP_READ WORLD_READ)
file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/writable-dir")
file(CHMOD "${CMAKE_CURRENT_BINARY_DIR}/writable-dir" PERMISSIONS OWNER_WRITE GROUP_WRITE WORLD_WRITE)
file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/executable-dir")
file(CHMOD "${CMAKE_CURRENT_BINARY_DIR}/executable-dir" PERMISSIONS OWNER_EXECUTE GROUP_EXECUTE WORLD_EXECUTE)
endif()
if(WIN32)
# files are always readable and executable
# directories are always, readable, writable and executable
if(NOT IS_READABLE "${CMAKE_CURRENT_BINARY_DIR}/readable.txt"
OR IS_WRITABLE "${CMAKE_CURRENT_BINARY_DIR}/readable.txt")
message(FATAL_ERROR "checks on \"${CMAKE_CURRENT_BINARY_DIR}/readable.txt\" failed")
endif()
if(NOT IS_EXECUTABLE "${CMAKE_CURRENT_BINARY_DIR}/executable.txt"
OR IS_WRITABLE "${CMAKE_CURRENT_BINARY_DIR}/executable.txt")
message(FATAL_ERROR "checks on \"${CMAKE_CURRENT_BINARY_DIR}/executable.txt\" failed")
endif()
else()
if(NOT IS_READABLE "${CMAKE_CURRENT_BINARY_DIR}/readable.txt"
OR IS_WRITABLE "${CMAKE_CURRENT_BINARY_DIR}/readable.txt"
OR IS_EXECUTABLE "${CMAKE_CURRENT_BINARY_DIR}/readable.txt")
message(FATAL_ERROR "checks on \"${CMAKE_CURRENT_BINARY_DIR}/readable.txt\" failed")
endif()
if(NOT IS_WRITABLE "${CMAKE_CURRENT_BINARY_DIR}/writable.txt"
OR IS_READABLE "${CMAKE_CURRENT_BINARY_DIR}/writable.txt"
OR IS_EXECUTABLE "${CMAKE_CURRENT_BINARY_DIR}/writable.txt")
message(FATAL_ERROR "checks on \"${CMAKE_CURRENT_BINARY_DIR}/writable.txt\" failed")
endif()
if(NOT IS_EXECUTABLE "${CMAKE_CURRENT_BINARY_DIR}/executable.txt"
OR IS_READABLE "${CMAKE_CURRENT_BINARY_DIR}/executable.txt"
OR IS_WRITABLE "${CMAKE_CURRENT_BINARY_DIR}/executable.txt")
message(FATAL_ERROR "checks on \"${CMAKE_CURRENT_BINARY_DIR}/executable.txt\" failed")
endif()
if(NOT IS_READABLE "${CMAKE_CURRENT_BINARY_DIR}/readable-dir"
OR IS_WRITABLE "${CMAKE_CURRENT_BINARY_DIR}/readable-dir"
OR IS_EXECUTABLE "${CMAKE_CURRENT_BINARY_DIR}/readable-dir")
message(FATAL_ERROR "checks on \"${CMAKE_CURRENT_BINARY_DIR}/readable-dir\" failed")
endif()
if(NOT IS_WRITABLE "${CMAKE_CURRENT_BINARY_DIR}/writable-dir"
OR IS_READABLE "${CMAKE_CURRENT_BINARY_DIR}/writable-dir"
OR IS_EXECUTABLE "${CMAKE_CURRENT_BINARY_DIR}/writable-dir")
message(FATAL_ERROR "checks on \"${CMAKE_CURRENT_BINARY_DIR}/writable-dir\" failed")
endif()
if(NOT IS_EXECUTABLE "${CMAKE_CURRENT_BINARY_DIR}/executable-dir"
OR IS_READABLE "${CMAKE_CURRENT_BINARY_DIR}/executable-dir"
OR IS_WRITABLE "${CMAKE_CURRENT_BINARY_DIR}/executable-dir")
message(FATAL_ERROR "checks on \"${CMAKE_CURRENT_BINARY_DIR}/executable.txt\" failed")
endif()
endif()
if(UNIX)
#
# Check that file permissions are on the real file, not the symbolic link
#
file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/link-to-readable.txt"
"${CMAKE_CURRENT_BINARY_DIR}/link-to-writable.txt"
"${CMAKE_CURRENT_BINARY_DIR}/link-to-executable.txt"
"${CMAKE_CURRENT_BINARY_DIR}/link-to-readable-dir"
"${CMAKE_CURRENT_BINARY_DIR}/link-to-writable-dir"
"${CMAKE_CURRENT_BINARY_DIR}/link-to-executable-dir")
file(CREATE_LINK "${CMAKE_CURRENT_BINARY_DIR}/readable.txt"
"${CMAKE_CURRENT_BINARY_DIR}/link-to-readable.txt"
SYMBOLIC)
file(CREATE_LINK "${CMAKE_CURRENT_BINARY_DIR}/writable.txt"
"${CMAKE_CURRENT_BINARY_DIR}/link-to-writable.txt"
SYMBOLIC)
file(CREATE_LINK "${CMAKE_CURRENT_BINARY_DIR}/executable.txt"
"${CMAKE_CURRENT_BINARY_DIR}/link-to-executable.txt"
SYMBOLIC)
file(CREATE_LINK "${CMAKE_CURRENT_BINARY_DIR}/readable-dir"
"${CMAKE_CURRENT_BINARY_DIR}/link-to-readable-dir"
SYMBOLIC)
file(CREATE_LINK "${CMAKE_CURRENT_BINARY_DIR}/writable-dir"
"${CMAKE_CURRENT_BINARY_DIR}/link-to-writable-dir"
SYMBOLIC)
file(CREATE_LINK "${CMAKE_CURRENT_BINARY_DIR}/executable-dir"
"${CMAKE_CURRENT_BINARY_DIR}/link-to-executable-dir"
SYMBOLIC)
if(NOT IS_READABLE "${CMAKE_CURRENT_BINARY_DIR}/link-to-readable.txt"
OR IS_WRITABLE "${CMAKE_CURRENT_BINARY_DIR}/link-to-readable.txt"
OR IS_EXECUTABLE "${CMAKE_CURRENT_BINARY_DIR}/link-to-readable.txt")
message(FATAL_ERROR "checks on \"${CMAKE_CURRENT_BINARY_DIR}/link-to-readable.txt\" failed")
endif()
if(NOT IS_WRITABLE "${CMAKE_CURRENT_BINARY_DIR}/link-to-writable.txt"
OR IS_READABLE "${CMAKE_CURRENT_BINARY_DIR}/link-to-writable.txt"
OR IS_EXECUTABLE "${CMAKE_CURRENT_BINARY_DIR}/link-to-writable.txt")
message(FATAL_ERROR "checks on \"${CMAKE_CURRENT_BINARY_DIR}/link-to-writable.txt\" failed")
endif()
if(NOT IS_EXECUTABLE "${CMAKE_CURRENT_BINARY_DIR}/link-to-executable.txt"
OR IS_READABLE "${CMAKE_CURRENT_BINARY_DIR}/link-to-executable.txt"
OR IS_WRITABLE "${CMAKE_CURRENT_BINARY_DIR}/link-to-executable.txt")
message(FATAL_ERROR "checks on \"${CMAKE_CURRENT_BINARY_DIR}/link-to-executable.txt\" failed")
endif()
if(NOT IS_READABLE "${CMAKE_CURRENT_BINARY_DIR}/link-to-readable-dir"
OR IS_WRITABLE "${CMAKE_CURRENT_BINARY_DIR}/link-to-readable-dir"
OR IS_EXECUTABLE "${CMAKE_CURRENT_BINARY_DIR}/link-to-readable-dir")
message(FATAL_ERROR "checks on \"${CMAKE_CURRENT_BINARY_DIR}/link-to-readable-dir\" failed")
endif()
if(NOT IS_WRITABLE "${CMAKE_CURRENT_BINARY_DIR}/link-to-writable-dir"
OR IS_READABLE "${CMAKE_CURRENT_BINARY_DIR}/link-to-writable-dir"
OR IS_EXECUTABLE "${CMAKE_CURRENT_BINARY_DIR}/link-to-writable-dir")
message(FATAL_ERROR "checks on \"${CMAKE_CURRENT_BINARY_DIR}/link-to-writable-dir\" failed")
endif()
if(NOT IS_EXECUTABLE "${CMAKE_CURRENT_BINARY_DIR}/link-to-executable-dir"
OR IS_READABLE "${CMAKE_CURRENT_BINARY_DIR}/link-to-executable-dir"
OR IS_WRITABLE "${CMAKE_CURRENT_BINARY_DIR}/link-to-executable-dir")
message(FATAL_ERROR "checks on \"${CMAKE_CURRENT_BINARY_DIR}/link-to-executable-dir\" failed")
endif()
endif()
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