Files
falco/cmake/modules/GetFalcoVersion.cmake
2020-02-07 11:28:57 +01:00

60 lines
2.5 KiB
CMake

# Retrieve git ref and commit hash
include(GetGitRevisionDescription)
get_git_head_revision(FALCO_REF FALCO_HASH)
# Create the falco version variable according to git index
if(NOT FALCO_VERSION)
string(STRIP "${FALCO_HASH}" FALCO_HASH)
# Try to obtain the exact git tag
git_get_exact_tag(FALCO_TAG)
if(NOT FALCO_TAG)
# Obtain the closest tag
git_describe(FALCO_VERSION "--abbrev=0" "--tags") # suppress the long format
# Fallback version
if(FALCO_VERSION MATCHES "NOTFOUND$")
set(FALCO_VERSION "0.0.0")
endif()
# TODO(leodido) > Construct the prerelease part (semver 2) Construct the Build metadata part (semver 2)
if(NOT FALCO_HASH MATCHES "NOTFOUND$")
string(SUBSTRING "${FALCO_HASH}" 0 7 FALCO_VERSION_BUILD)
# Check whether there are uncommitted changes or not
git_local_changes(FALCO_CHANGES)
if(FALCO_CHANGES STREQUAL "DIRTY")
string(TOLOWER "${FALCO_CHANGES}" FALCO_CHANGES)
set(FALCO_VERSION_BUILD "${FALCO_VERSION_BUILD}.${FALCO_CHANGES}")
endif()
endif()
# Append the build metadata part (semver 2)
if(FALCO_VERSION_BUILD)
set(FALCO_VERSION "${FALCO_VERSION}+${FALCO_VERSION_BUILD}")
endif()
else()
# A tag has been found: use it as the Falco version
set(FALCO_VERSION "${FALCO_TAG}")
# Remove the starting "v" in case there is one
string(REGEX REPLACE "^v(.*)" "\\1" FALCO_VERSION "${FALCO_TAG}")
endif()
# TODO(leodido) > ensure Falco version is semver before extracting parts Populate partial version variables
string(REGEX MATCH "^(0|[1-9][0-9]*)" FALCO_VERSION_MAJOR "${FALCO_VERSION}")
string(REGEX REPLACE "^(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\..*" "\\2" FALCO_VERSION_MINOR "${FALCO_VERSION}")
string(REGEX REPLACE "^(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*).*" "\\3" FALCO_VERSION_PATCH
"${FALCO_VERSION}")
string(
REGEX
REPLACE
"^(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)-((0|[1-9][0-9]*|[0-9]*[a-zA-Z-][0-9a-zA-Z-]*)\\.(0|[1-9][0-9]*|[0-9]*[a-zA-Z-][0-9a-zA-Z-]*)*).*"
"\\4"
FALCO_VERSION_PRERELEASE
"${FALCO_VERSION}")
if(FALCO_VERSION_PRERELEASE STREQUAL "${FALCO_VERSION}")
set(FALCO_VERSION_PRERELEASE "")
endif()
if(NOT FALCO_VERSION_BUILD)
string(REGEX REPLACE ".*\\+([0-9a-zA-Z-]+(\\.[0-9a-zA-Z-]+)*)" "\\1" FALCO_VERSION_BUILD "${FALCO_VERSION}")
endif()
if(FALCO_VERSION_BUILD STREQUAL "${FALCO_VERSION}")
set(FALCO_VERSION_BUILD "")
endif()
endif()
message(STATUS "Falco version: ${FALCO_VERSION}")