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