#!/bin/sh
build_entry () {
file="${1}"
uuidfile="${2}"
published="${3}"
intermediate_file="${file%.*}.intermediate"
htmlfile=`escape_url "${file%.*}.html"`
redo-ifchange "$uuid_file"
redo-ifchange "$intermediate_file"
lastmod=`stat -c%y "$file"`
lastmod_rfc3339=`date -u "+%Y-%m-%dT%TZ" -d "$lastmod"`
title=`read_and_escape_file "$intermediate_file" | head -1`
uuid=`read_and_escape_file "$uuid_file" | head -1`
body=`read_and_escape_file "$intermediate_file" | sed 1d`
published_rfc3339=`date -u "+%Y-%m-%dT%TZ" -d "${published}"`
printf "\n"
printf "%s\n" "$title"
printf "urn:uuid:%s\n" "$uuid"
printf "%s\n" "$lastmod_rfc3339"
printf "%s\n" "$published_rfc3339"
printf "\n" "$basepath" "${htmlfile#\./}"
printf "\n%s\n\n" "$body"
printf ""
}
# Pull in global dependencies.
. ./helpers.sh
url_file=url.meta
author_file=author.meta
uuid_file=uuid.meta
title_file=title.meta
redo-ifchange "$url_file"
redo-ifchange "$author_file"
redo-ifchange "$uuid_file"
redo-ifchange "$title_file"
# Build some variables. XML-escape even file contents that should not contain
# dangerous characters, just to avoid any XML trouble.
base_url=`cat "$url_file" | head -1`
url_protocol=`echo $base_url | cut -d ':' -f 1`
url_basepath=`echo $base_url | cut -d '/' -f 3-`
url_basepath_escaped=`escape_url "$url_basepath"`
basepath="$url_protocol""://""$url_basepath_escaped"
title=`read_and_escape_file "$title_file" | head -1`
author=`read_and_escape_file "$author_file" | head -1`
uuid=`read_and_escape_file "$uuid_file" | head -1`
# Write majority of feed head.
cat << EOF
EOF
printf "\n" "$basepath"
printf "\n" "$basepath"
printf "%s\n" "$title"
printf "%s\n" "$author"
printf "urn:uuid:%s\n" "$uuid"
# Generate feed entry snippets.
mkdir -p feed_snippets
for file in ./*.rst ./*.md; do
if [ -e "$file" ]; then
uuid_file="${file%.*}.uuid"
redo-ifchange "$uuid_file"
published=`stat -c%y "${uuid_file}"`
published_unix=$(date -u "+%s%N" -d "${published}")
entry=$(build_entry "${file}" "${uuid_file}" "${published}")
echo "${entry}" > ./feed_snippets/${published_unix}
fi
done
# Derive feed modification date from snippets.
mod_dates=$(grep -hE "^" ./feed_snippets/* | sed -E 's/<.?updated>//g')
last_mod_unix=0
for date in $mod_dates; do
date_unix=$(date -u "+%s" -d "${date}")
if [ "$date_unix" -gt "$last_mod_unix" ]; then
last_mod_unix=$date_unix
fi
done
lastmod_rfc3339=`date -u "+%Y-%m-%dT%TZ" -d "@${last_mod_unix}"`
printf "%s\n\n" "$lastmod_rfc3339"
# Write feed entries.
for file in ./feed_snippets/*; do
cat "${file}"
printf "\n"
done
rm -rf feed_snippets
printf ""