More robust versioning in CMake, plus comments

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Riccardo Spagni 2014-09-15 23:01:50 +02:00
parent d8257fb67b
commit 070ff889d2
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@ -1,30 +1,79 @@
# Copyright (c) 2014, The Monero Project
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification, are
# permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other
# materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be
# used to endorse or promote products derived from this software without specific
# prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
# THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
# Check what commit we're on
execute_process(COMMAND "${GIT}" rev-parse --short HEAD RESULT_VARIABLE RET OUTPUT_VARIABLE COMMIT OUTPUT_STRIP_TRAILING_WHITESPACE) execute_process(COMMAND "${GIT}" rev-parse --short HEAD RESULT_VARIABLE RET OUTPUT_VARIABLE COMMIT OUTPUT_STRIP_TRAILING_WHITESPACE)
if(RET) if(RET)
# Something went wrong, set the version tag to -unknown
message(WARNING "Cannot determine current commit. Make sure that you are building either from a Git working tree or from a source archive.") message(WARNING "Cannot determine current commit. Make sure that you are building either from a Git working tree or from a source archive.")
set(VERSIONTAG "unknown") set(VERSIONTAG "unknown")
configure_file("src/version.h.in" "${TO}") configure_file("src/version.h.in" "${TO}")
else() else()
message(STATUS "You are currently on commit ${COMMIT}") message(STATUS "You are currently on commit ${COMMIT}")
# Get all the tags
execute_process(COMMAND "${GIT}" show-ref --tags -d --abbrev RESULT_VARIABLE RET OUTPUT_VARIABLE TAGGEDCOMMITOUT OUTPUT_STRIP_TRAILING_WHITESPACE) execute_process(COMMAND "${GIT}" show-ref --tags -d --abbrev RESULT_VARIABLE RET OUTPUT_VARIABLE TAGGEDCOMMITOUT OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE " refs/" "\n" TAGGEDCOMMITOUT2 ${TAGGEDCOMMITOUT}) # Make sure we actually got some tags
string(REPLACE "\n" ";" TAGGEDCOMMITLIST ${TAGGEDCOMMITOUT2}) string(LENGTH ${TAGGEDCOMMITOUT} TLEN)
list(GET TAGGEDCOMMITLIST -2 TAGGEDCOMMIT)
if(RET OR NOT TAGGEDCOMMIT) if(RET OR TLEN LESS 5)
message(WARNING "Cannot determine most recent tag. Make sure that you are building either from a Git working tree or from a source archive.") message(WARNING "Cannot determine most recent tag. Make sure that you are building either from a Git working tree or from a source archive.")
set(VERSIONTAG "${COMMIT}") set(VERSIONTAG "${COMMIT}")
else() else()
message(STATUS "The most recent tag was at ${TAGGEDCOMMIT}") # Replace a bunch of things so we end up with a semi-colon separated list
if(${COMMIT} MATCHES ${TAGGEDCOMMIT}) string(REPLACE " refs/" "\n" TAGGEDCOMMITOUT2 ${TAGGEDCOMMITOUT})
message(STATUS "You are building a tagged release") string(REPLACE "\n" ";" TAGGEDCOMMITLIST ${TAGGEDCOMMITOUT2})
set(VERSIONTAG "release")
# Grab the second-last item in the list, as that will be the hash of our most recent commit
list(GET TAGGEDCOMMITLIST -2 TAGGEDCOMMIT)
if(NOT TAGGEDCOMMIT)
message(WARNING "Cannot determine most recent tag. Make sure that you are building either from a Git working tree or from a source archive.")
set(VERSIONTAG "${COMMIT}")
else() else()
message(STATUS "You are ahead or behind of a tagged release") message(STATUS "The most recent tag was at ${TAGGEDCOMMIT}")
set(VERSIONTAG "${COMMIT}")
endif() # Check if we're building that tagged commit or a different one
endif() if(${COMMIT} MATCHES ${TAGGEDCOMMIT})
message(STATUS "You are building a tagged release")
set(VERSIONTAG "release")
else()
message(STATUS "You are ahead or behind of a tagged release")
set(VERSIONTAG "${COMMIT}")
endif()
endif()
endif()
configure_file("src/version.h.in" "${TO}") configure_file("src/version.h.in" "${TO}")
endif() endif()