125 lines
3.8 KiB
Bash
Executable file
125 lines
3.8 KiB
Bash
Executable file
#!/usr/bin/env nix-shell
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#!nix-shell -i zsh
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#!nix-shell -I nixpkgs="https://github.com/NixOS/nixpkgs/archive/19.09.tar.gz"
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# Directory
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webdir="_site"
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postsdir="$webdir/posts"
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rssfile="$webdir/rss.xml"
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# maximal number of articles to put in the RSS file
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maxarticles=10
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# RSS Metas
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rsstitle="her.esy.fun"
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rssurl="https://her.esy.fun/rss.xml"
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websiteurl="https://her.esy.fun"
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rssdescription="her.esy.fun articles, mostly random personal thoughts"
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rsslang="en"
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rssauthor="yann@esposito.host (Yann Esposito)"
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rssimgurl="https://her.esy.fun/img/FlatAvatar.png"
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# HTML Accessors (similar to CSS accessors)
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dateaccessor='.article-date'
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contentaccessor='#content'
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# title and keyword shouldn't be changed
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titleaccessor='title'
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keywordsaccessor='meta[name=keywords]::attr(content)'
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formatdate() {
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# format the date for RSS
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local d=$1
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LC_TIME=en_US date --date $d +'%a, %d %b %Y %H:%M:%S %z'
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}
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finddate(){ < $1 hxselect -c $dateaccessor }
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findtitle(){ < $1 hxselect -c $titleaccessor }
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getcontent(){
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< $1 hxselect $contentaccessor | \
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perl -pe 'use URI; $base="'$2'"; s# (href|src)="((?!https?://)[^"]*)"#" ".$1."=\"".URI->new_abs($2,$base)->as_string."\""#eig' }
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findkeywords(){ < $1 hxselect -c $keywordsaccessor | sed 's/,//g' }
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mkcategories(){
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for keyword in $*; do
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printf "\\n<category>%s</category>" $keyword
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done
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}
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autoload -U colors && colors
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tmpdir=$(mktemp -d)
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typeset -a dates
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dates=( )
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for fic in $postsdir/**/*.html; do
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if echo $fic|egrep -- '-(mk|min|sci|modern).html$'>/dev/null; then
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continue
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fi
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postfile="$(echo "$fic"|sed 's#^'$postsdir'/##')"
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blogfile="$(echo "$fic"|sed 's#^'$webdir'/##')"
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printf "%-30s" $postfile
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xfic="$tmpdir/$fic.xml"
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mkdir -p $(dirname $xfic)
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hxclean $fic > $xfic
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d=$(finddate $xfic)
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echo -n " [$d]"
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rssdate=$(formatdate $d)
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title=$(findtitle $xfic)
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keywords=( $(findkeywords $xfic) )
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printf ": %-55s" "$title ($keywords)"
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categories=$(mkcategories $keywords)
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absoluteurl="${websiteurl}/${blogfile}"
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{ printf "\\n<item>"
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printf "\\n<title>%s</title>" "$title"
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printf "\\n<guid>%s</guid>" "$absoluteurl"
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printf "\\n<pubDate>%s</pubDate>%s" "$rssdate"
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printf "%s" "$categories"
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printf "\\n<description><![CDATA[\\n%s\\n]]></description>" "$(getcontent "$xfic" "$absoluteurl")"
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printf "\\n</item>\\n\\n"
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} >> "$tmpdir/${d}-$(basename $fic).rss"
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dates=( $d $dates )
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echo " [${fg[green]}OK${reset_color}]"
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done
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echo "Publishing"
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for fic in $(ls $tmpdir/*.rss | sort -r | head -n $maxarticles ); do
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echo "${fic:t}"
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cat $fic >> $tmpdir/rss
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done
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rssmaxdate=$(formatdate $(for d in $dates; do echo $d; done | sort -r | head -n 1))
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rssbuilddate=$(formatdate $(date))
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{
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cat <<END
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<?xml version="1.0" encoding="utf-8"?>
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<rss version="2.0"
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xmlns:content="http://purl.org/rss/1.0/modules/content/"
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xmlns:wfw="http://wellformedweb.org/CommentAPI/"
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xmlns:dc="http://purl.org/dc/elements/1.1/"
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xmlns:atom="http://www.w3.org/2005/Atom"
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xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
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xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
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xmlns:georss="http://www.georss.org/georss"
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xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#"
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xmlns:media="http://search.yahoo.com/mrss/"><channel>
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<title>${rsstitle}</title>
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<atom:link href="${rssurl}" rel="self" type="application/rss+xml" />
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<link>${websiteurl}</link>
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<description><![CDATA[${rssdescription}]]></description>
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<language>${rsslang}</language>
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<pubDate>${rssmaxdate}</pubDate>
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<lastBuildDate>$rssbuilddate</lastBuildDate>
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<generator>mkrss.sh</generator>
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<webMaster>${rssauthor}</webMaster>
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<image>
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<url>${rssimgurl}</url>
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<title>${rsstitle}</title>
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<link>${websiteurl}</link>
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</image>
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END
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cat $tmpdir/rss
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cat <<END
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</channel>
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</rss>
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END
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} > "$rssfile"
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rm -rf $tmpdir
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echo "RSS Generated"
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