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#!/bin/bash
#
# Given a Wireshark bug ID, fetch its title and prepare an entry suitable
# for pasting into the release notes. Requires curl, grep, and sed.
#
# Usage: gen-bugnote <bug number>
#
# Copyright 2013 Gerald Combs
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
#

bz_url_pfx="https://bugs.wireshark.org/bugzilla/show_bug.cgi?id="
bug_id="$1"

recode_cmd="cat"
hash recode > /dev/null 2>&1 && recode_cmd="recode html..utf8"

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 "$bug_id" ] ; then
    echo "Usage: " `basename $0` " <bug id>"
    exit 1
fi

bug_title=`
    curl -s -o - "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=$bug_id" |
    grep -i '<title>' |
    sed \
        -e 's:.*<title>.*ndash; ::' \
        -e 's:</title>.*::' \
        -e 's/[^\.]$/&./' \
    `

echo -e "* $bug_title (ws-buglink:$bug_id[])\n" \
        | $recode_cmd \
        | $clipboard_cmd

echo "Copied $bug_id: $bug_title"