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#!/usr/bin/env bash
set -e
hook() {
local hook=.git/hooks/$1.sh
# compat without extname
if test ! -f $hook; then
hook=.git/hooks/$1
fi
if test -f $hook; then
echo "... $1"
shift
if test -x $hook; then
$hook "$@"
else
. $hook "$@"
fi
fi
}
exit_with_msg() {
>&2 echo "$1"
exit 1
}
if test $# -gt 0; then
remote=''
# check for flags
while test $# != 0
do
case "$1" in
-c) need_changelog=true;;
-r) remote=$2; shift ;;
-m) msg=$2; shift ;;
--semver)
test -z "$2" &&
exit_with_msg "major/minor/patch required for --semver option"
semver=$2
shift
;;
--no-empty-commit) no_empty_commit=true;;
--) shift; hook_args="$hook_args $*"; break;;
*) test -z "$version" && version=$1 ;;
esac
shift
done
if [ -n "$semver" ]; then
if [ -z "$(git tag)" ]; then
echo "there is no tag in the git repo" 1>&2
exit 1
fi
latest_tag=$(git describe --tags "$(git rev-list --tags --max-count=1)")
if [[ ! "$latest_tag" =~ \
^([^0-9]*)([0-9]|[1-9][0-9]+)\.([0-9]|[1-9][0-9]+)\.([0-9]|[1-9][0-9]+)(.*) ]]; then
echo "the latest tag doesn't match semver format requirement" 1>&2
exit 1
fi
case "$semver" in
major ) version="${BASH_REMATCH[2]}" ;;
minor ) version="${BASH_REMATCH[3]}" ;;
patch ) version="${BASH_REMATCH[4]}" ;;
* ) echo "invalid semver argument given: $semver" 1>&2
exit 1
;;
esac
(( ++version ))
case "$semver" in
major ) version="${BASH_REMATCH[1]}$version.${BASH_REMATCH[3]}.${BASH_REMATCH[4]}${BASH_REMATCH[5]}" ;;
minor ) version="${BASH_REMATCH[1]}${BASH_REMATCH[2]}.$version.${BASH_REMATCH[4]}${BASH_REMATCH[5]}" ;;
patch ) version="${BASH_REMATCH[1]}${BASH_REMATCH[2]}.${BASH_REMATCH[3]}.$version${BASH_REMATCH[5]}" ;;
esac
fi
hook_args="$version"
if [ -z "$msg" ]; then
msg="Release ${version}"
fi
# shellcheck disable=SC2086
hook pre-release $hook_args \
|| exit_with_msg "pre-release hook failed! Cancelling release."
echo "... releasing $version"
if [ "$need_changelog" = true ]; then
git-changelog -t "$version"
fi
if [ "$no_empty_commit" = true ]; then
git commit -a -m "$msg" || true
else
git commit -a -m "$msg" --allow-empty
fi
# shellcheck disable=SC2086
git tag $version -a -m "$msg" \
&& git push $remote --tags \
&& git push $remote \
&& hook post-release $hook_args \
&& echo "... complete"
else
echo "tag required" 1>&2 && exit 1
fi