From 070ff889d2dc757ca909cf545639a3cbe1e0bc7f Mon Sep 17 00:00:00 2001 From: Riccardo Spagni Date: Mon, 15 Sep 2014 23:01:50 +0200 Subject: [PATCH] More robust versioning in CMake, plus comments --- src/version.cmake | 75 +++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 62 insertions(+), 13 deletions(-) diff --git a/src/version.cmake b/src/version.cmake index e851cdf01..0d1e52a25 100644 --- a/src/version.cmake +++ b/src/version.cmake @@ -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 "${GIT}" rev-parse --short HEAD RESULT_VARIABLE RET OUTPUT_VARIABLE COMMIT OUTPUT_STRIP_TRAILING_WHITESPACE) if(RET) + # Something went wrong, set the version tag to -unknown + message(WARNING "Cannot determine current commit. Make sure that you are building either from a Git working tree or from a source archive.") set(VERSIONTAG "unknown") configure_file("src/version.h.in" "${TO}") else() 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) - string(REPLACE " refs/" "\n" TAGGEDCOMMITOUT2 ${TAGGEDCOMMITOUT}) - string(REPLACE "\n" ";" TAGGEDCOMMITLIST ${TAGGEDCOMMITOUT2}) - list(GET TAGGEDCOMMITLIST -2 TAGGEDCOMMIT) + # Make sure we actually got some tags + string(LENGTH ${TAGGEDCOMMITOUT} TLEN) - if(RET OR NOT TAGGEDCOMMIT) + if(RET OR TLEN LESS 5) message(WARNING "Cannot determine most recent tag. Make sure that you are building either from a Git working tree or from a source archive.") - set(VERSIONTAG "${COMMIT}") + set(VERSIONTAG "${COMMIT}") else() - message(STATUS "The most recent tag was at ${TAGGEDCOMMIT}") - if(${COMMIT} MATCHES ${TAGGEDCOMMIT}) - message(STATUS "You are building a tagged release") - set(VERSIONTAG "release") + # Replace a bunch of things so we end up with a semi-colon separated list + string(REPLACE " refs/" "\n" TAGGEDCOMMITOUT2 ${TAGGEDCOMMITOUT}) + string(REPLACE "\n" ";" TAGGEDCOMMITLIST ${TAGGEDCOMMITOUT2}) + + # Grab the second-last item in the list, as that will be the hash of our most recent commit + list(GET TAGGEDCOMMITLIST -2 TAGGEDCOMMIT) + + if(NOT TAGGEDCOMMIT) + message(WARNING "Cannot determine most recent tag. Make sure that you are building either from a Git working tree or from a source archive.") + set(VERSIONTAG "${COMMIT}") else() - message(STATUS "You are ahead or behind of a tagged release") - set(VERSIONTAG "${COMMIT}") - endif() - endif() + message(STATUS "The most recent tag was at ${TAGGEDCOMMIT}") + + # Check if we're building that tagged commit or a different one + if(${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}") endif() \ No newline at end of file