WSJT-X/CMake/getsvn.cmake
Bill Somerville e4b69c7370 Removed misleading comment.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3959 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2014-03-29 23:21:03 +00:00

52 lines
2.5 KiB
CMake

find_package (Subversion)
if (Subversion_FOUND AND EXISTS "${SOURCE_DIR}/.svn")
# the FindSubversion.cmake module is part of the standard distribution
include (FindSubversion)
# extract working copy information for SOURCE_DIR into MY_XXX variables
Subversion_WC_INFO (${SOURCE_DIR} MY)
message ("${MY_WC_INFO}")
# determine if the working copy has outstanding changes
execute_process (COMMAND ${Subversion_SVN_EXECUTABLE} status ${SOURCE_DIR}
OUTPUT_FILE "${OUTPUT_DIR}/svn_status.txt"
OUTPUT_STRIP_TRAILING_WHITESPACE)
file (STRINGS "${OUTPUT_DIR}/svn_status.txt" __svn_changes
REGEX "^[^?].*$"
)
if (__svn_changes)
set (MY_WC_REVISION "${MY_WC_REVISION}-dirty")
foreach (__svn_change ${__svn_changes})
message (STATUS "${__svn_change}")
endforeach (__svn_change ${__svn_changes})
endif (__svn_changes)
message (STATUS "${SOURCE_DIR} contains a .svn and is revision ${MY_WC_REVISION}")
# write a file with the SVNVERSION define
file (WRITE "${OUTPUT_DIR}/svnversion.h.txt" "#define SVNVERSION r${MY_WC_REVISION}\n")
else (Subversion_FOUND AND EXISTS "${SOURCE_DIR}/.svn")
# try git-svn
if (Subversion_FOUND AND EXISTS "${SOURCE_DIR}/.git")
include (${SOURCE_DIR}/CMake/Modules/FindGitSubversion.cmake)
# extract working copy information for SOURCE_DIR into MY_XXX variables
GitSubversion_WC_INFO (${SOURCE_DIR} MY)
message ("${MY_WC_INFO}")
# try and determine if the working copy has outstanding changes
execute_process (COMMAND ${GIT_EXECUTABLE} --git-dir=${SOURCE_DIR}/.git --work-tree=${SOURCE_DIR} svn dcommit --dry-run
RESULT_VARIABLE __git_svn_status
OUTPUT_FILE "${OUTPUT_DIR}/svn_status.txt"
OUTPUT_STRIP_TRAILING_WHITESPACE)
file (STRINGS "${OUTPUT_DIR}/svn_status.txt" __svn_changes
REGEX "^diff-tree"
)
if ((NOT ${__git_svn_status} EQUAL 0) OR __svn_changes)
set (MY_WC_REVISION "${MY_WC_REVISION}-dirty")
endif ()
# write a file with the SVNVERSION define
file (WRITE "${OUTPUT_DIR}/svnversion.h.txt" "#define SVNVERSION r${MY_WC_REVISION}\n")
else (Subversion_FOUND AND EXISTS "${SOURCE_DIR}/.svn")
file (WRITE "${OUTPUT_DIR}/svnversion.h.txt" "#define SVNVERSION local\n")
endif (Subversion_FOUND AND EXISTS "${SOURCE_DIR}/.git")
endif (Subversion_FOUND AND EXISTS "${SOURCE_DIR}/.svn")
# copy the file to the final header only if the version changes
# reduces needless rebuilds
execute_process (COMMAND ${CMAKE_COMMAND} -E copy_if_different "${OUTPUT_DIR}/svnversion.h.txt" "${OUTPUT_DIR}/svnversion.h")