chinampa/.milpa/commands/release/create.sh

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#!/usr/bin/env bash
# SPDX-License-Identifier: Apache-2.0
# Copyright © 2022 Roberto Hidalgo <chinampa@un.rob.mx>
@milpa.load_util user-input
current_branch=$(git rev-parse --abbrev-ref HEAD)
[[ "$current_branch" != "main" ]] && @milpa.fail "Refusing to release on branch <$current_branch>"
[[ -n "$(git status --porcelain)" ]] && @milpa.fail "Git tree is messy, won't continue"
function next_semver() {
local components
IFS="." read -r -a components <<< "${2}"
following=""
case "$1" in
major ) following="$((components[0]+1)).0.0" ;;
minor ) following="${components[0]}.$((components[1]+1)).0" ;;
patch ) following="${components[0]}.${components[1]}.$((components[2]+1))" ;;
*) @milpa.fail "unknown increment type: <$1>"
esac
echo "$following"
}
increment="$MILPA_ARG_INCREMENT"
# get the latest tag, ignoring any pre-releases
# by default current version is 0.0.-1, and must initially release a patch
current="$(git describe --abbrev=0 --exclude='*-*' --tags 2>/dev/null || echo "0.0.-1")"
next=$(next_semver "$increment" "$current")
if [[ "$MILPA_OPT_PRE" ]]; then
# pre releases might update previous ones, look for them
pre_current=$(git describe --abbrev=0 --match="$next-$MILPA_OPT_PRE.*" --tags 2>/dev/null || echo "$current-$MILPA_OPT_PRE.-1")
build=${pre_current##*.}
next="$next-$MILPA_OPT_PRE.$(( build + 1 ))"
fi
@milpa.log info "Creating release with version $(@milpa.fmt inverted "$next")"
@milpa.confirm "Proceed with release?" || @milpa.fail "Refusing to continue, got <$REPLY>"
@milpa.log success "Continuing with release"
@milpa.log info "Creating tag and pushing"
git tag "$next" || @milpa.fail "Could not create tag $next"
git push origin "$next" || @milpa.fail "Could not push tag $next"
@milpa.log complete "Release created and pushed to origin!"