pom.xml version check on commit, .git/hooks/pre-commit

pre-commit

#!/bin/bash

TARGET_VERSION="develop"
Color_Off='\033[0m'
BRed="\033[1;31m"

# put the pom.xml from develop branch into the temp folder
RANDOM_NUMBER=$((100000 + $RANDOM % 100000))
#echo "RANDOM_NUMBER: "$RANDOM_NUMBER
#echo "git show $TARGET_VERSION:pom.xml > /tmp/$RANDOM_NUMBER-pom.xml"
git show $TARGET_VERSION:pom.xml > /tmp/$RANDOM_NUMBER-pom.xml

# get the current version from pom.xml
CURRENT_VERSION=$(xpath pom.xml 'string(/project/version/text())' 2>/dev/null)
#echo "CURRENT_VERSION: "$CURRENT_VERSION

# get the target branch version
TARGET_VERSION=$(xpath /tmp/$RANDOM_NUMBER-pom.xml 'string(/project/version/text())' 2>/dev/null)
#echo "TARGET_VERSION: "$TARGET_VERSION
rm /tmp/$RANDOM_NUMBER-pom.xml


if [[ $CURRENT_VERSION = $TARGET_VERSION ]]; then
 printf "${BRed}Version number must be different, current version: $CURRENT_VERSION target version: $TARGET_VERSION are the same.\n"
 exit 1
else
 printf "Version changed."
fi
exit 0