#!/bin/bash set -e # fail fast #H Usage: #H %FILE% -h | %FILE% --help #H #H prints this help and exits #H #H %FILE% [additional files...] #H #H commits and pushes all *.pom files (+ additional files) #H #H Requirements: #H current commit is a HEAD commit #H GH_USERNAME - github username / displayname (for git config) #H GH_EMAIL - github email address (for git config) #H GITHUB_REF (format refs/tags/v[0-9]+\.[0-9]+\.[0-9]+) # Arguments: # $1: exit code function helpAndExit() { cat "$0" | grep "^#H" | cut -c4- | sed -e "s/%FILE%/$(basename "$0")/g" exit "$1" } # takes a version (without leading v) and increments its # last number by one. # Arguments: # $1: version (without leading v) which will be patched # Return: # version with last number incremented function increment_version() { if [[ ! "$1" =~ [0-9]+\.[0-9]+\.[0-9]+ ]]; then echo "'$1' does not match tag pattern." >&2 exit 1 fi echo "${1%\.*}.$(expr ${1##*\.*\.} + 1)" } function main() { [[ "$1" == '-h' || "$1" == '--help' ]] && helpAndExit 0 [[ -z "$GH_EMAIL" || -z "$GH_USERNAME" ]] && helpAndExit 1 if [[ "$GITHUB_REF" =~ ^refs/tags/v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then #check if tagged commit is a head commit of any branch commit=$(git ls-remote -q -t origin | grep "$GITHUB_REF" | cut -c1-40) branch=$(git ls-remote -q -h origin | grep "$commit" | sed "s/$commit.*refs\/heads\///") if [[ -z "$commit" || -z "$branch" ]]; then echo "the commit '$commit' of tag '${GITHUB_REF##refs/tags/}' is not a head commit. Can not release" >&2 exit 1 fi if [[ $(echo "$branch" | wc -l) != '1' ]]; then echo "can not match commit '$commit' to a unique branch." >&2 echo "Please make sure, that the tag '${GITHUB_REF##refs/tags/}' is the head of a unique branch" >&2 echo "Branches detected: $branch" exit 1 fi set -x git config --global user.email "$GH_EMAIL" git config --global user.name "$GH_USERNAME" #commit all poms git checkout "$branch" git add "./*pom.xml" for file in "$@"; do [[ -n "$file" ]] && git add "$file" done git commit -m "Updated poms to version $(increment_version ${GITHUB_REF##refs/tags/v})-SNAPSHOT" git push else echo "Nothing to push - this is not a release!" fi } main "$@"