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|
#!/bin/sh
set -eu
usage() {
cat <<-'EOF'
Usage:
feed FILENAME
feed -h
EOF
}
help() {
cat <<-'EOF'
Options:
-h, --help show this message
FILENAME the target feed to be generated
Generate FILENAME as an Atom feed. The collection type and
language are inferred by the name of FILENAME.
Examples:
Generate a feed for TILs:
$ feed src/en/til/feed.xml
EOF
}
for flag in "$@"; do
case "$flag" in
--)
break
;;
--help)
usage
help
exit
;;
*)
;;
esac
done
while getopts 'h' flag; do
case "$flag" in
h)
usage
help
exit
;;
*)
usage >&2
exit 2
;;
esac
done
shift $((OPTIND - 1))
. src/lib.sh
FILENAME="${1:-}"
eval "$(assert_arg "$FILENAME" 'FILENAME')"
. src/lib/base.conf
# shellcheck source=/dev/null
. src/lib/base."$(lang-for "$FILENAME")".conf
now="$(date -uIs)"
url_absolute="$(url-for "${FILENAME#"$CONTENT_PREFIX"/}" | absolute)"
site_name_html="$(htmlesc "${site_name:?}")"
collection="$(collection-for "$FILENAME")"
coll_path="$(coll2path "${lang:?}" "$collection")"
collection_url_absolute="$(url-for "${lang:?}/$coll_path" | absolute)"
feed_title_html="$(eval "echo \"\$feed_${collection}_title\"" | htmlesc)"
export now url_absolute site_name_html collection_url_absolute feed_title_html
DIR="$(dirname "$FILENAME")"
mkdir -p "$DIR"
{
envsubst < src/lib/feed.xml
find "$DIR"/*.sortdata 2>/dev/null |
sort -nr |
xargs cat |
sed 's|\.md$|.xmlentry|' |
xargs cat
printf '</feed>\n'
} > "$FILENAME"
printf '' > "$DIR"/index.extrafeeds
while read -r category; do
url_absolute="$(url-for "${DIR#"$CONTENT_PREFIX"/}/feed.$category.xml" | absolute)"
collection_url_absolute="$(url-for "${DIR#"$CONTENT_PREFIX"/}/${by_category_url_name:?}#$category" | absolute)"
feed_title_html="$(eval "echo \"\$index_category_${collection}_title\"" | htmlesc)"
export url_absolute collection_url_absolute feed_title_html
{
envsubst < src/lib/feed.xml
< "$DIR/$category.category" \
sed 's|\.md$|.xmlentry|' |
xargs cat
printf '</feed>\n'
} > "$DIR/feed.$category.xml"
echo "$DIR/feed.$category.xml" >> "$DIR"/index.extrafeeds
done < "$DIR"/index.categories
|
