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#!/bin/bash
#set -x
if [ $# -lt 3 ]; then
echo "Usage:"
echo " $0 GIT_WORKING_DIR_PATH MAJOR MINOR [out_version_header]"
echo "if only 3 arguments are given, script prints current string version to stdout"
exit 1
fi
GIT_WORKING_DIR_PATH="$1"
MAJOR=$2
MINOR=$3
# Windows workaround
WIN_GIT_BIN_PATH1="/C/Program Files/Git/bin"
if [ -e "$WIN_GIT_BIN_PATH1" ]; then
PATH="$WIN_GIT_BIN_PATH1:$PATH"
else
WIN_GIT_BIN_PATH2="/C/Program Files (x86)/Git/bin"
if [ -e "$WIN_GIT_BIN_PATH2" ]; then
PATH="$WIN_GIT_BIN_PATH2:$PATH"
else
MAC_GIT_BIN_PATH1=/usr/local/git/bin
if [ -e "$MAC_GIT_BIN_PATH1" ]; then
PATH="$MAC_GIT_BIN_PATH1:$PATH"
fi
MAC_GIT_BIN_PATH2=/opt/local/bin
if [ -e "$MAC_GIT_BIN_PATH2" ]; then
PATH="$MAC_GIT_BIN_PATH2:$PATH"
fi
fi
fi
BUILD_TIMESTAMP=`date -u +%y%m%d%H%M`
BUILD_TIMESTAMP_FULL=`date -u`
GIT_CMD="git --git-dir=$GIT_WORKING_DIR_PATH/.git --work-tree=$GIT_WORKING_DIR_PATH"
GIT_COMMIT=`cd $GIT_WORKING_DIR_PATH; $GIT_CMD log --oneline -1`
GIT_COMMIT_HASH=${GIT_COMMIT:0:7}
# check if git repo has local uncommitted modifications
STRING_MODIFICATIONS=""
GIT_STATUS_OUTPUT=`cd $GIT_WORKING_DIR_PATH; $GIT_CMD status -s -uno`
if [ -n "$GIT_STATUS_OUTPUT" ]; then
STRING_MODIFICATIONS=".altered"
fi
STRING_VER="${MAJOR}.${MINOR}.${BUILD_TIMESTAMP}.${GIT_COMMIT_HASH}${STRING_MODIFICATIONS}"
if [ $# -eq 3 ]; then
echo $STRING_VER
exit 0
fi
# write out header
if [ $# -eq 4 ]; then
OUT_FILE=$4
echo "#pragma once" > $OUT_FILE
echo "// This header is auto generated by script" >> $OUT_FILE
echo "namespace Version" >> $OUT_FILE
echo "{" >> $OUT_FILE
echo " static unsigned int const MAJOR = $MAJOR;" >> $OUT_FILE
echo " static unsigned int const MINOR = $MINOR;" >> $OUT_FILE
echo " static unsigned int const BUILD = $BUILD_TIMESTAMP;" >> $OUT_FILE
echo " static unsigned int const GIT_HASH = 0x$GIT_COMMIT_HASH;" >> $OUT_FILE
echo " #define VERSION_STRING \"$STRING_VER\"" >> $OUT_FILE
echo " #define VERSION_DATE_STRING \"$BUILD_TIMESTAMP_FULL\"" >> $OUT_FILE
echo "}" >> $OUT_FILE
echo "" >> $OUT_FILE
exit 0
fi
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