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Script to generate semver version.txt from maven and git. Can be used in CI such as Bamboo or Jenkins
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#!/usr/bin/env bash | |
# author: Stefan Heimberg <kontakt@stefanheimberg.ch> | |
# download url: https://gist.github.com/StefanHeimberg/c19d7665e8df087845c036fe8b88c4f2 | |
# version: 0.7 | |
# usage: | |
# for maven based projects: | |
# - ./generate_version_txt.sh | |
# - ./generate_version_txt.sh <BUILD_NR_FROM_CI> | |
# | |
# for other projects: | |
# - ./generate_version_txt.sh <MAJOR.MINOR.PATCH> <BUILD_NR_FROM_CI> | |
set -e | |
# Das Script nimmt einen Parameter entgegen. Die Build nummer des CI Builds. | |
# Diese Buildnummer füge ich in diesem Script nicht wie auf semver.org in den build metadaten ein (separiert mit '+'), | |
# sondern als label (separiert mit '-'). Grund hierfür ist dass ich die build nummer auch im docker tag verwenden möchte. | |
# und dort ist '+' nicht erlaubt. (https://github.com/docker/distribution/issues/1201) | |
version_file="version.txt" | |
if [ -f ${version_file} ]; then | |
rm ${version_file} | |
fi | |
if [ -f pom.xml ]; then | |
# verify that mvn executable exists. | |
if [ -f ./mvnw ]; then | |
# use maven wrapper | |
mvn_exec=./mvnw | |
else | |
# use maven without wrapper | |
mvn_exec=mvn | |
fi | |
temp_file=$(mktemp) | |
${mvn_exec} -N org.apache.maven.plugins:maven-help-plugin:3.0.1:evaluate -Dexpression=project.version -Doutput=${temp_file} | |
temp_version=`cat ${temp_file}` | |
temp_version=${temp_version%-SNAPSHOT} | |
rm ${temp_file} | |
else | |
temp_version=$1 | |
fi | |
major_version=`echo $temp_version | cut -d. -f1` | |
if [ -z "$major_version" ]; then | |
major_version=0 | |
fi | |
minor_version=`echo $temp_version | cut -d. -f2` | |
if [ -z "$minor_version" ]; then | |
minor_version=0 | |
fi | |
patch_version=`echo $temp_version | cut -d. -f3` | |
if [ -z "$patch_version" ]; then | |
patch_version=0 | |
fi | |
if [ -f pom.xml ]; then | |
build_number=$1 | |
else | |
build_number=$2 | |
fi | |
label="" | |
if [ ! -z "$build_number" ]; then | |
label="b$build_number" | |
fi | |
build_metadata="" | |
if [ -d .git ]; then | |
git_sha_short=$(git rev-parse --short HEAD) | |
if [ ! -z "$build_metadata" ]; then | |
build_metadata="$build_metadata." | |
fi | |
build_metadata="$build_metadata$git_sha_short" | |
fi | |
version="$major_version.$minor_version.$patch_version" | |
if [ ! -z "$label" ]; then | |
version="$version-$label" | |
fi | |
long_version="$version" | |
if [ ! -z "$build_metadata" ]; then | |
long_version="$long_version+$build_metadata" | |
fi | |
if [ -f $version_file ]; then | |
rm $version_file | |
fi | |
echo "major_version=$major_version" >> $version_file | |
echo "minor_version=$minor_version" >> $version_file | |
echo "patch_version=$patch_version" >> $version_file | |
echo "build_number=$build_number" >> $version_file | |
echo "build_metadata=$build_metadata" >> $version_file | |
echo "version=$version" >> $version_file | |
echo "long_version=$long_version" >> $version_file | |
cat $version_file |
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Referenziert auf https://stackoverflow.com/questions/49937870. Nicht löschen, oder Stackoverflow anpassen!