mirror of
https://github.com/falcosecurity/falco.git
synced 2025-10-22 20:29:39 +00:00
85 lines
3.4 KiB
CMake
85 lines
3.4 KiB
CMake
#
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# Copyright (C) 2020 The Falco Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations under the License.
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#
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# Retrieve git ref and commit hash
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include(GetGitRevisionDescription)
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# Create the falco version variable according to git index
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if(NOT FALCO_VERSION)
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# Try to obtain the exact git tag
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git_get_exact_tag(FALCO_TAG)
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if(NOT FALCO_TAG)
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# Obtain the closest tag
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git_describe(FALCO_VERSION "--always" "--tags" "--abbrev=7")
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string(REGEX MATCH "^[0-9]+.[0-9]+.[0-9]+$" FALCO_TAG ${FALCO_VERSION})
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if(FALCO_VERSION MATCHES "NOTFOUND$" OR FALCO_TAG STREQUAL "")
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# Fetch current hash
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get_git_head_revision(refspec FALCO_HASH)
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if(NOT FALCO_HASH OR FALCO_HASH MATCHES "NOTFOUND$")
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set(FALCO_VERSION "0.0.0")
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else()
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# Obtain the closest tag
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git_get_latest_tag(FALCO_LATEST_TAG)
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if(NOT FALCO_LATEST_TAG OR FALCO_LATEST_TAG MATCHES "NOTFOUND$")
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set(FALCO_VERSION "0.0.0")
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else()
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# Compute commit delta since tag
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git_get_delta_from_tag(FALCO_DELTA ${FALCO_LATEST_TAG} ${FALCO_HASH})
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if(NOT FALCO_DELTA OR FALCO_DELTA MATCHES "NOTFOUND$")
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set(FALCO_VERSION "0.0.0")
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else()
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# Cut hash to 7 bytes
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string(SUBSTRING ${FALCO_HASH} 0 7 FALCO_HASH)
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# Format FALCO_VERSION to be semver with prerelease and build part
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set(FALCO_VERSION
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"${FALCO_LATEST_TAG}-${FALCO_DELTA}+${FALCO_HASH}")
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endif()
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endif()
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endif()
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endif()
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# Format FALCO_VERSION to be semver with prerelease and build part
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string(REPLACE "-g" "+" FALCO_VERSION "${FALCO_VERSION}")
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else()
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# A tag has been found: use it as the Falco version
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set(FALCO_VERSION "${FALCO_TAG}")
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endif()
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endif()
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# Remove the starting "v" in case there is one
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string(REGEX REPLACE "^v(.*)" "\\1" FALCO_VERSION "${FALCO_VERSION}")
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# TODO(leodido) > ensure Falco version is semver before extracting parts Populate partial version variables
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string(REGEX MATCH "^(0|[1-9][0-9]*)" FALCO_VERSION_MAJOR "${FALCO_VERSION}")
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string(REGEX REPLACE "^(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\..*" "\\2" FALCO_VERSION_MINOR "${FALCO_VERSION}")
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string(REGEX REPLACE "^(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*).*" "\\3" FALCO_VERSION_PATCH
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"${FALCO_VERSION}")
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string(
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REGEX
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REPLACE
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"^(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-]*))*).*"
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"\\5"
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FALCO_VERSION_PRERELEASE
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"${FALCO_VERSION}")
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if(FALCO_VERSION_PRERELEASE STREQUAL "${FALCO_VERSION}")
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set(FALCO_VERSION_PRERELEASE "")
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endif()
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if(NOT FALCO_VERSION_BUILD)
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string(REGEX REPLACE ".*\\+([0-9a-zA-Z-]+(\\.[0-9a-zA-Z-]+)*)" "\\1" FALCO_VERSION_BUILD "${FALCO_VERSION}")
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endif()
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if(FALCO_VERSION_BUILD STREQUAL "${FALCO_VERSION}")
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set(FALCO_VERSION_BUILD "")
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endif()
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message(STATUS "Falco version: ${FALCO_VERSION}")
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