# Pull in global dependencies.
. ./helpers.sh
-author_file=author.meta
-uuid_file=uuid.meta
-title_file=title.meta
+metadata_dir=metadata
+author_file="$metadata_dir"/author
+meta_file="$metadata_dir"/automatic_metadata
+title_file="$metadata_dir"/title
+url_file="$metadata_dir"/url
redo-ifchange "$url_file"
redo-ifchange "$author_file"
-redo-ifchange "$uuid_file"
+redo-ifchange "$meta_file"
redo-ifchange "$title_file"
# Build some variables. XML-escape even file contents that should not contain
# dangerous characters, just to avoid any XML trouble.
-srcdir=`pwd`
-basepath=$(get_basepath)
-title=`read_and_escape_file "$title_file" | head -1`
-author=`read_and_escape_file "$author_file" | head -1`
-uuid=`read_and_escape_file "$uuid_file" | head -1`
+srcdir=$(pwd)
+tmp_snippets_dir=.tmp_feed_snippets
+basepath=$(get_basepath "${metadata_dir}/")
+title=$(read_and_escape_file "$title_file" | head -1)
+author=$(read_and_escape_file "$author_file" | head -1)
+uuid=$(get_uuid_from_meta_file "$meta_file")
+feed_gen_date=$(get_creation_date_from_meta_file_seconds "$meta_file")
# 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"
- redo-ifchange "$uuid_file"
- published=`stat -c%y "${uuid_file}"`
- published_unix=$(date -u "+%s%N" -d "${published}")
- snippet_file="${file%.*}.feed_snippet"
+ meta_file="${metadata_dir}/${file%.*}.automatic_metadata"
+ redo-ifchange "$meta_file"
+ published=$(get_creation_date_from_meta_file_nanoseconds "$meta_file")
+ snippet_file=./${metadata_dir}/"${file%.*}.feed_snippet"
redo-ifchange "$snippet_file"
- ln -s "$srcdir/$snippet_file" "./feed_snippets/${published_unix}"
+ ln -s "$srcdir/$snippet_file" "./${tmp_snippets_dir}/${published}"
fi
done
-# Derive feed modification date from snippets.
-mod_dates=$(grep -hE "^<updated>" ./feed_snippets/* | sed -E 's/<.?updated>//g')
-last_mod_unix=0
+# Derive feed modification date from snippets. Fallback to blog creation date.
+n_snippet_files=`ls -1 ./${metadata_dir}/*.feed_snippet 2>/dev/null | wc -l`
+if [ $n_snippet_files != 0 ]
+then
+ mod_dates=$(grep -hE "^<updated>" ./${metadata_dir}/*.feed_snippet | sed -E 's/<.?updated>//g')
+fi
+last_mod_unix=$feed_gen_date
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 "@${last_mod_unix}"`
-printf "<updated>%s</updated>\n\n" "$lastmod_rfc3339"
+last_mod_rfc3339=`date -u "+%Y-%m-%dT%TZ" -d "@${last_mod_unix}"`
+printf "<updated>%s</updated>\n\n" "$last_mod_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>"