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#!/bin/bash
#
# Generates an RSS feed from Git commit messages
#
# Copyright (C) 2012 Mike Gerwitz
#
# This file is part of repo2html.
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
# #
repotype="${1?Missing repository type}"
url="${2?Missing URL}"
count=10
# rss header
cat <<EOH
<?xml version="1.0"?>
<rss version="2.0">
<channel>
<title>Mike Gerwitz's Thoughts and Ramblings</title>
<link>$url</link>
<description>
The miscellaneous thoughts and ramblings of a free software hacker
</description>
EOH
# output recent commits as entries (assuming no funny business in the output)
while read hash commit ts id subject; do
echo "[RSS] Found $commit: $subject" >&2
# TODO: avoid HTML entities where browsers may decide not to render them (e.g.
# the title)
cat <<EOE
<item>
<title><![CDATA[$( ./msgfmt < <( echo "$subject"; echo ) )]]></title>
<link>$(
printf "%s/%s/%s.html" \
"${url/%\/}" "$( ./tsdate "$ts" %Y/%m )" "$id"
)
</link>
<pubDate>$( ./tsdate "$ts" %Y-%m-%d )</pubDate>
<description>
<![CDATA[
$( ./"$repotype"/commit2html "$commit" )
]]>
</description>
</item>
EOE
done
# footer
cat <<EOF
</channel>
</rss>
EOF