WSJT-X/CMake/getsvn.cmake
Bill Somerville 9c42a42219 Bump development version
Also first stage of allowing for builds from a git repository.



git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/wsjtx/trunk@8732 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-05-27 11:40:12 +00:00

76 lines
3.7 KiB
CMake

message (STATUS "Checking for revision information")
if (EXISTS "${SOURCE_DIR}/.svn")
message (STATUS "Checking for Subversion revision information")
find_package (Subversion QUIET REQUIRED)
# the FindSubversion.cmake module is part of the standard distribution
include (FindSubversion)
# extract working copy information for SOURCE_DIR into MY_XXX variables
Subversion_WC_INFO (${SOURCE_DIR} MY)
message ("${MY_WC_INFO}")
# determine if the working copy has outstanding changes
execute_process (COMMAND ${Subversion_SVN_EXECUTABLE} status ${SOURCE_DIR}
OUTPUT_FILE "${BINARY_DIR}/svn_status.txt"
OUTPUT_STRIP_TRAILING_WHITESPACE)
file (STRINGS "${BINARY_DIR}/svn_status.txt" __svn_changes
REGEX "^[^?].*$"
)
if (__svn_changes)
message (WARNING "Source tree based on revision ${MY_WC_LAST_CHANGED_REV} appears to have local changes")
set (MY_WC_LAST_CHANGED_REV "${MY_WC_LAST_CHANGED_REV}-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 ${MY_WC_LAST_CHANGED_REV}")
# write a file with the SCS_VERSION define
file (WRITE "${BINARY_DIR}/scs_version.h.txt" "#define SCS_VERSION r${MY_WC_LAST_CHANGED_REV}\n")
elseif (EXISTS "${SOURCE_DIR}/.git")
if (EXISTS "${SOURCE_DIR}/.git/svn/.metadata") # try git-svn
message (STATUS "Checking for Subversion revision information using git-svn")
include (${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=${SOURCE_DIR} svn dcommit --dry-run
RESULT_VARIABLE __git_svn_status
OUTPUT_FILE "${BINARY_DIR}/svn_status.txt"
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
file (STRINGS "${BINARY_DIR}/svn_status.txt" __svn_changes
REGEX "^diff-tree"
)
if ((NOT ${__git_svn_status} EQUAL 0) OR __svn_changes)
message (WARNING "Source tree based on revision ${MY_WC_LAST_CHANGED_REV} appears to have local changes")
set (MY_WC_LAST_CHANGED_REV "${MY_WC_LAST_CHANGED_REV}-dirty")
endif ()
# write a file with the SVNVERSION define
file (WRITE "${BINARY_DIR}/scs_version.h.txt" "#define SCS_VERSION r${MY_WC_LAST_CHANGED_REV}\n")
else ()
#
# try git
#
message (STATUS "Checking for gitrevision information")
include (${SOURCE_DIR}/CMake/Modules/GetGitRevisionDescription.cmake)
get_git_head_revision (${SOURCE_DIR} GIT_REFSPEC GIT_SHA1)
git_local_changes (${SOURCE_DIR} GIT_DIRTY)
string (SUBSTRING "${GIT_SHA1}" 0 6 GIT_SHA1)
if ("${GIT_DIRTY}" STREQUAL "DIRTY")
message (WARNING "Source tree based on revision ${GIT_REFSPEC} ${GIT_SHA1} appears to have local changes")
set (GIT_SHA1 "${GIT_SHA1}-dirty")
execute_process (COMMAND ${GIT_EXECUTABLE} --git-dir=${SOURCE_DIR}/.git --work-tree=${SOURCE_DIR} status
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif ()
message (STATUS "refspec: ${GIT_REFSPEC} - SHA1: ${GIT_SHA1}")
file (WRITE "${BINARY_DIR}/scs_version.h.txt" "#define SCS_VERSION ${GIT_SHA1}\n")
else()
message (STATUS "No SCS found")
file (WRITE "${BINARY_DIR}/scs_version.h.txt" "#define SCS_VERSION\n")
endif ()
endif ()
# copy the file to the final header only if the version changes
# reduces needless rebuilds
execute_process (COMMAND ${CMAKE_COMMAND} -E copy_if_different "${BINARY_DIR}/scs_version.h.txt" "${OUTPUT_DIR}/scs_version.h")