# Pull in global dependencies.
. ./helpers.sh
-redo-ifchange url
-redo-ifchange author
-redo-ifchange uuid
-redo-ifchange title
+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 | 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 | head -1`
-author=`read_and_escape_file author | head -1`
-uuid=`read_and_escape_file uuid | head -1`
+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`
# Write majority of feed head.
cat << EOF
printf "<author><name>%s</name></author>\n" "$author"
printf "<id>urn:uuid:%s</id>\n" "$uuid"
-# Iterate through most recent entries (go by lastmod date of source files) to
-# build feed head "updated" element, and individual entries.
-first_run=0
-files=`ls -1t *.rst *.md | head -10 | tr '\n' $'\0'`
-oldIFS="$IFS"
-IFS=$'\0'
-for file in $files; do
- lastmod=`stat -c%y "$file"`
- lastmod_rfc3339=`date -u "+%Y-%m-%dT%TZ" -d "$lastmod"`
- if [ "$first_run" -lt "1" ]; then
- IFS="$oldIFS"
- printf "<updated>%s</updated>\n\n" "$lastmod_rfc3339"
- first_run=1
+# 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}")
+ snippet_file="${file%.*}.feed_snippet"
+ redo-ifchange "$snippet_file"
+ ln -s "$srcdir/$snippet_file" "./feed_snippets/${published_unix}"
fi
+done
- # Build some variables and dependencies.
- intermediate_file="${file%.*}.intermediate"
- htmlfile=`escape_url "${file%.*}.html"`
- redo-ifchange "$intermediate_file"
- redo-ifchange "$uuidfile"
- title=`read_and_escape_file "$intermediate_file" | head -1`
- uuidfile="${file%.*}.uuid"
- uuid=`read_and_escape_file "$uuidfile" | head -1`
- body=`read_and_escape_file "$intermediate_file" | sed 1d`
- published=`stat -c%y "$uuidfile"`
- published_rfc3339=`date -u "+%Y-%m-%dT%TZ" -d "$published"`
+# Derive feed modification date from snippets.
+mod_dates=$(grep -hE "^<updated>" ./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 "@${last_mod_unix}"`
+printf "<updated>%s</updated>\n\n" "$lastmod_rfc3339"
- # Write entry.
- 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" "$body"
- printf "</entry>\n\n"
+# Write feed entries.
+for file in ./feed_snippets/*; do
+ cat "${file}"
+ printf "\n"
done
+rm -rf feed_snippets
+# Write feed foot.
printf "</feed>"