#!/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 "${published}"`
- printf "<entry>\n"
- printf "<title type=\"html\">%s</title>\n" "$title"
- printf "<id>urn:uuid:%s</id>\n" "$uuid"
- printf "<updated>%s</updated>\n" "$lastmod_rfc3339"
- printf "<published>%s</published>\n" "$published_rfc3339"
- printf "<link href=\"%s%s\" />\n" "$basepath" "${htmlfile#\./}"
- printf "<content type=\"html\">\n%s\n</content>\n" "$body"
- printf "</entry>"
-}
-
# Pull in global dependencies.
. ./helpers.sh
-url_file=url.meta
-author_file=author.meta
-uuid_file=uuid.meta
-title_file=title.meta
+metadata_dir=metadata
+author_file="$metadata_dir"/author
+uuid_file="$metadata_dir"/uuid
+title_file="$metadata_dir"/title
+url_file="$metadata_dir"/url
redo-ifchange "$url_file"
redo-ifchange "$author_file"
redo-ifchange "$uuid_file"
# Build some variables. XML-escape even file contents that should not contain
# dangerous characters, just to avoid any XML trouble.
-base_url=`cat "$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"
+srcdir=`pwd`
+basepath=$(get_basepath "${metadata_dir}/")
title=`read_and_escape_file "$title_file" | head -1`
author=`read_and_escape_file "$author_file" | head -1`
uuid=`read_and_escape_file "$uuid_file" | head -1`
+tmp_snippets_dir=.tmp_feed_snippets
# Write majority of feed head.
cat << EOF
printf "<id>urn:uuid:%s</id>\n" "$uuid"
# Generate feed entry snippets.
-mkdir -p feed_snippets
+mkdir -p "$tmp_snippets_dir"
for file in ./*.rst ./*.md; do
if [ -e "$file" ]; then
- uuid_file="${file%.*}.uuid"
+ uuid_file="${metadata_dir}/${file%.*}.uuid"
redo-ifchange "$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/${published_unix}
+ snippet_file=./${metadata_dir}/"${file%.*}.feed_snippet"
+ redo-ifchange "$snippet_file"
+ ln -s "$srcdir/$snippet_file" "./${tmp_snippets_dir}/${published_unix}"
fi
done
# Derive feed modification date from snippets.
-mod_dates=$(grep -hE "^<updated>" ./feed_snippets/* | sed -E 's/<.?updated>//g')
+n_snippet_files=`ls -1 ./${metadata_dir}/*.feed_snippet 2>/dev/null | wc -l`
+if [ $n_snippet_files != 0 ]
+then
+ mod_dates=$(grep -hE "^<updated>" ./${metadata_dir}/*.feed_snippet | sed -E 's/<.?updated>//g')
+fi
last_mod_unix=0
for date in $mod_dates; do
date_unix=$(date -u "+%s" -d "${date}")
printf "<updated>%s</updated>\n\n" "$lastmod_rfc3339"
# Write feed entries.
-for file in ./feed_snippets/*; do
- cat "${file}"
- printf "\n"
+for file in ./${tmp_snippets_dir}/*; do
+ if [ -e "$file" ]; then
+ cat "${file}"
+ printf "\n"
+ fi
done
-rm -rf feed_snippets
+rm -rf "$tmp_snippets_dir"
# Write feed foot.
printf "</feed>"