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trying to add support for generating version info from git (does not work yet)

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This commit is contained in:
Dominic Radermacher 2020-01-13 22:00:27 +01:00
parent 8655736e75
commit cd4e99b9e5
2 changed files with 52 additions and 1 deletions
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10
CMakeLists.txt
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@ -44,7 +44,6 @@ target_compile_definitions(ptouch-print
USING_CMAKE=1
VERSION="${VERSION}"
PACKAGE="ptouch"
)
target_include_directories(ptouch-print
@ -59,3 +58,12 @@ target_link_libraries(ptouch-print
${GD_LIBRARIES}
${LIBUSB_LIBRARIES}
)
# Add a custom command that produces version.cpp, plus
# a dummy output that's not actually produced, in order
# to force version.cmake to always be re-run before the build
ADD_CUSTOM_COMMAND(
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/version.cpp
${CMAKE_CURRENT_BINARY_DIR}/_version.cpp
COMMAND ${CMAKE_COMMAND} -P
${CMAKE_CURRENT_SOURCE_DIR}/version.cmake)

43
cmake/version.cmake Normal file
View File

@ -0,0 +1,43 @@
execute_process(COMMAND git log --pretty=format:'%h' -n 1
OUTPUT_VARIABLE GIT_REV
ERROR_QUIET)
# Check whether we got any revision (which isn't
# always the case, e.g. when someone downloaded a zip
# file from Github instead of a checkout)
if ("${GIT_REV}" STREQUAL "")
set(GIT_REV "N/A")
set(GIT_DIFF "")
set(GIT_TAG "N/A")
set(GIT_BRANCH "N/A")
else()
execute_process(
COMMAND bash -c "git diff --quiet --exit-code || echo +"
OUTPUT_VARIABLE GIT_DIFF)
execute_process(
COMMAND git describe --exact-match --tags
OUTPUT_VARIABLE GIT_TAG ERROR_QUIET)
execute_process(
COMMAND git rev-parse --abbrev-ref HEAD
OUTPUT_VARIABLE GIT_BRANCH)
string(STRIP "${GIT_REV}" GIT_REV)
string(SUBSTRING "${GIT_REV}" 1 7 GIT_REV)
string(STRIP "${GIT_DIFF}" GIT_DIFF)
string(STRIP "${GIT_TAG}" GIT_TAG)
string(STRIP "${GIT_BRANCH}" GIT_BRANCH)
endif()
set(VERSION "const char* GIT_REV=\"${GIT_REV}${GIT_DIFF}\";
const char* GIT_TAG=\"${GIT_TAG}\";
const char* GIT_BRANCH=\"${GIT_BRANCH}\";")
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/version.cpp)
file(READ ${CMAKE_CURRENT_SOURCE_DIR}/version.cpp VERSION_)
else()
set(VERSION_ "")
endif()
if (NOT "${VERSION}" STREQUAL "${VERSION_}")
file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/version.cpp "${VERSION}")
endif()