78 lines
2.5 KiB
Bash
78 lines
2.5 KiB
Bash
#!/bin/bash
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#############
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# DESCRIPTION
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#############
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# Recursively crawls through the site and reads page metadata to generate an RSS feed for all content on the website.
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#
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# The script will output the completed RSS feed to the location specified as an argument.
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#
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#############
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# Usage:
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# build_rss rss.xml
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build_rss() (
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# Switch to rss file's directory
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touch $1
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rss=$(realpath $1)
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cd $(dirname $1)
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# Wipe out the existing rss feed, if there is one, and declare our new rss feed
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# Note that metadata descriptors are pulled from the index.md file that lives in the same folder as the destination for the rss.xml file.
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get_page_metadata index.md
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cat > $rss <<EOF
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<?xml version="1.0" encoding="UTF-8"?>
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<rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:media="http://search.yahoo.com/mrss/" version="2.0">
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<channel>
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<title>$global_name</title>
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<description>$description</description>
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<link>$base_url</link>
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<language>$language</language>
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<generator>Arise</generator>
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EOF
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[[ $favicon != '' ]] && {
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cat >> $rss <<EOF
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<image>
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<url>$base_url$favicon</url>
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<title>$global_name</title>
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<link>$base_url</link>
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</image>
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EOF
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}
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cat >> $rss <<EOF
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<atom:link href="$base_url/rss.xml" rel="self" type="application/rss+xml"/>
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<ttl>60</ttl>
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<lastBuildDate>$(date --rfc-822)</lastBuildDate>
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EOF
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# List every directory in our sitemap (except config). This makes up our sitemap since Arise is built to use directory roots as page URLs
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find . -type d -not \( -path ./config -prune \) | while read fname; do
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page_index=$(realpath "$fname"'/index.md')
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if [ -e $page_index ]; then
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get_page_metadata $page_index
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if [[ $rss_hide != "true" ]] && [[ $is_toc != "true" ]]; then
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# Convert html's ISO8601 date to RSS's RFC-822. Fuck you RSS.
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rss_date=$(date -d "$published_date" --rfc-822)
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cat >> $rss <<EOF
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<item>
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<title>$title</title>
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<dc:creator>$author</dc:creator>
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<description>$description</description>
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<link>$canonical_url</link>
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<pubDate>$rss_date</pubDate>
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</item>
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EOF
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fi
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clear_metadata
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fi
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done
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# Close up the rss feed
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echo -e '</channel>\n</rss>' >> $rss
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)
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