#!/bin/bash
#
# Given a Wireshark issue ID, fetch its title and prepare an entry suitable
# for pasting into the release notes. Requires curl and jq.
#
# Usage: gen-bugnote <issue number>
#
# Copyright 2013 Gerald Combs
#
# SPDX-License-Identifier: GPL-2.0-or-later
#

gitlab_issue_url_pfx="https://gitlab.com/api/v4/projects/wireshark%2Fwireshark/issues"
issue_id="${1#\#}" # Strip leading "#"

case "$OSTYPE" in
    darwin*)
        clipboard_cmd="pbcopy -Pascii"
        ;;
    cygwin*)
        clipboard_cmd="cat > /dev/clipboard"
        ;;
    linux*)
        clipboard_cmd="xsel --clipboard"
        ;;
    *)
        echo "Unable to copy to clipboard"
        clipboard_cmd="cat > /dev/null"
        ;;
esac

if [ -z "$issue_id" ] ; then
    echo "Usage: $( basename "$0" ) <issue id>"
    exit 1
fi

issue_title=$(
    curl -s -o - "${gitlab_issue_url_pfx}/$issue_id" \
    | jq '.title'
    )

# We can escape backslashes in jq's --raw-output or we can trim quotes off
# its plain output.
issue_title="${issue_title%\"}"
issue_title="${issue_title#\"}"
trailing_period=""
if [[ ! ${issue_title: -1} =~ [[:punct:]] ]] ; then
    trailing_period="."
fi

printf "* %s%s wsbuglink:${issue_id}[].\\n" "$issue_title" "$trailing_period" \
    | $clipboard_cmd

echo "Copied $issue_id: $issue_title"