#!/bin/bash

set -o errexit
set -o nounset

if [[ $# -ne 1 ]]; then
    echo "usage: ${0##*/} (edge|stable)-xx.xx.xx" >&2
    exit 1
fi

tag="$1"

# Verify the tag format
tag_format="^(edge|stable)-([0-9]+)\.([0-9]+)\.([0-9]+)$"
if [[ $tag =~ $tag_format ]]; then
    # todo: Use these values to verify the tag version increment.
    # release_channel="${BASH_REMATCH[1]}"
    # release_major="${BASH_REMATCH[2]}"
    # release_minor="${BASH_REMATCH[3]}"
    # release_patch="${BASH_REMATCH[4]}"
    :
else
    echo "tag format incorrect; expected: $tag_format"
    echo "example: edge-20.12.2, stable-2.10.1"
    exit 1
fi

# todo: Verify the tag version increment.

bindir=$( cd "${BASH_SOURCE[0]%/*}" && pwd )
# shellcheck source=bin/_release.sh
tmp=$(. "$bindir"/_release.sh; extract_release_notes)

# Create an unsigned tag with the commit message.
git tag -s -F "$tmp" "$tag"

# Success message
echo "tag created and signed."
echo ""
echo "tag: $tag"
echo ""
echo "To push tag, run:"
echo "    git push origin $tag"