taskana/ci/commitPoms.sh

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2.3 KiB
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#!/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() {
grep "^#H" "$0" | cut -c4- | sed -e "s/%FILE%/$(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%\.*}.$(("${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 "$@"