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Merge topic 'cpack-rpm-external-symlink-handling' 

eae4eef0 CPack/RPM external symlink handling
This commit is contained in:
Brad King 2016-04-01 10:04:32 -04:00 committed by CMake Topic Stage
parent 05f2ca70ad eae4eef0c4
commit e0cc8bf5d7
4 changed files with 34 additions and 7 deletions
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5
Help/release/dev/cpack-rpm-external-symlink-handling.rst Normal file
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@ -0,0 +1,5 @@
cpack-rpm-external-symlink-handling
-----------------------------------
* The "CPackRPM" module learned how to correctly handle symlinks
that are pointing outside generated packages.

22
Modules/CPackRPM.cmake
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@ -599,9 +599,10 @@
# while determining if symlink should be either created or present in a
# post install script - depending on relocation paths.
#
# Currenty there are a few limitations though:
# Symbolic links that point to locations outside packaging path produce a
# warning and are treated as non relocatable permanent symbolic links.
#
# * Only symbolic links with relative path can be packaged.
# Currenty there are a few limitations though:
#
# * For component based packaging component interdependency is not checked
# when processing symbolic links. Symbolic links pointing to content of
@ -1068,13 +1069,28 @@ function(cpack_rpm_prepare_install_files INSTALL_FILES_LIST WDIR PACKAGE_PREFIXE
get_filename_component(SYMLINK_POINT_ "${SYMLINK_LOCATION_}/${SYMLINK_POINT_}" ABSOLUTE)
endif()
string(SUBSTRING "${SYMLINK_POINT_}" ${WDR_LEN_} -1 SYMLINK_POINT_WD_)
# recalculate path length after conversion to canonical form
string(LENGTH "${SYMLINK_POINT_}" SYMLINK_POINT_LENGTH_)
if(SYMLINK_POINT_ MATCHES "${WDIR}/.*")
# only symlinks that are pointing inside the packaging structure should be checked for relocation
string(SUBSTRING "${SYMLINK_POINT_}" ${WDR_LEN_} -1 SYMLINK_POINT_WD_)
cpack_rpm_symlink_get_relocation_prefixes("${F}" "${PACKAGE_PREFIXES}" "SYMLINK_RELOCATIONS")
cpack_rpm_symlink_get_relocation_prefixes("${SYMLINK_POINT_WD_}" "${PACKAGE_PREFIXES}" "POINT_RELOCATIONS")
list(LENGTH SYMLINK_RELOCATIONS SYMLINK_RELOCATIONS_COUNT)
list(LENGTH POINT_RELOCATIONS POINT_RELOCATIONS_COUNT)
else()
# location pointed to is ouside WDR so it should be treated as a permanent symlink
set(SYMLINK_POINT_WD_ "${SYMLINK_POINT_}")
unset(SYMLINK_RELOCATIONS)
unset(POINT_RELOCATIONS)
unset(SYMLINK_RELOCATIONS_COUNT)
unset(POINT_RELOCATIONS_COUNT)
message(AUTHOR_WARNING "CPackRPM:Warning: Symbolic link '${F}' points to location that is outside packaging path! Link will possibly not be relocatable.")
endif()
if(SYMLINK_RELOCATIONS_COUNT AND POINT_RELOCATIONS_COUNT)
# find matching

3
Tests/CPackComponentsForAll/CMakeLists.txt
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@ -92,6 +92,9 @@ if("${CPACK_GENERATOR}" MATCHES "RPM")
# test symbolic link to location outside package
execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ./outside_package symlink_outside_package)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/symlink_outside_package DESTINATION ${CMAKE_INSTALL_LIBDIR}/inside_relocatable_one/depth_two COMPONENT libraries)
# test symbolic link to location outside wdr (packaging directory)
execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink /outside_package_wdr symlink_outside_wdr)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/symlink_outside_wdr DESTINATION ${CMAKE_INSTALL_LIBDIR}/inside_relocatable_one/depth_two COMPONENT libraries)
endif()
# CPack boilerplate for this project

3
Tests/CPackComponentsForAll/RunCPackVerifyResult.cmake
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@ -188,6 +188,7 @@ if(CPackGen MATCHES "RPM")
/usr/foo/bar/lib${LIB_SUFFIX}/inside_relocatable_one/depth_two/depth_three
/usr/foo/bar/lib${LIB_SUFFIX}/inside_relocatable_one/depth_two/depth_three/symlink_parentdir_path
/usr/foo/bar/lib${LIB_SUFFIX}/inside_relocatable_one/depth_two/symlink_outside_package
/usr/foo/bar/lib${LIB_SUFFIX}/inside_relocatable_one/depth_two/symlink_outside_wdr
/usr/foo/bar/lib${LIB_SUFFIX}/inside_relocatable_one/depth_two/symlink_relocatable_subpath
/usr/foo/bar/lib${LIB_SUFFIX}/inside_relocatable_one/depth_two/symlink_samedir_path
/usr/foo/bar/lib${LIB_SUFFIX}/inside_relocatable_one/depth_two/symlink_samedir_path_current_dir
@ -354,6 +355,8 @@ if(CPackGen MATCHES "RPM")
string(REGEX MATCH "^.*${whitespaces}->${whitespaces}${CPACK_PACKAGING_INSTALL_PREFIX}/non_relocatable/depth_two$" check_symlink "${SYMLINK_POINT_}")
elseif("${symlink_name}" STREQUAL "symlink_outside_package")
string(REGEX MATCH "^.*${whitespaces}->${whitespaces}outside_package$" check_symlink "${SYMLINK_POINT_}")
elseif("${symlink_name}" STREQUAL "symlink_outside_wdr")
string(REGEX MATCH "^.*${whitespaces}->${whitespaces}/outside_package_wdr$" check_symlink "${SYMLINK_POINT_}")
elseif("${symlink_name}" STREQUAL "symlink_other_relocatable_path"
OR "${symlink_name}" STREQUAL "symlink_from_non_relocatable_path"
OR "${symlink_name}" STREQUAL "symlink_relocatable_subpath")