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# Filter out blog posts from other files in the gemfeed dir.
gemfeed::get_posts () {
local -r gemfeed_dir="$CONTENT_BASE_DIR/gemtext/gemfeed"
local -r gmi_pattern='^[0-9]{4}-[0-9]{2}-[0-9]{2}-.*\.gmi$'
ls "$gemfeed_dir" | $GREP -F -v DRAFT- | $GREP -E "$gmi_pattern" | sort -r
}
# Add the links from gemfeed/index.gmi to the main index site.
gemfeed::updatemainindex () {
local -r index_gmi="$CONTENT_BASE_DIR/gemtext/index.gmi"
local -r gemfeed_dir="$CONTENT_BASE_DIR/gemtext/gemfeed"
log VERBOSE "Updating $index_gmi with posts from $gemfeed_dir"
# Remove old gemfeeds from main index
$SED '/^=> .\/gemfeed\/[0-9].* - .*/d;' "$index_gmi" > "$index_gmi.tmp"
# Add current gemfeeds to main index
$SED -E -n '/^=> / { s| ./| ./gemfeed/|; p; }' \
"$gemfeed_dir/index.gmi" >> "$index_gmi.tmp"
# Only overwrite if content changed, preserving mtime for template skip logic
generate::safe_overwrite "$index_gmi.tmp" "$index_gmi"
}
gemfeed::_get_word_count () {
local -r gmi_file="$1"; shift
$SED '/^```/,/^```/d' "$gmi_file" | wc -w | cut -d' ' -f1
}
# Generate a index.gmi in the ./gemfeed subdir.
gemfeed::generate () {
local -r gemfeed_dir="$CONTENT_BASE_DIR/gemtext/gemfeed"
if [ ! -d "$gemfeed_dir" ]; then
log INFO "Capsule without Gemfeed"
return
fi
log INFO "Generating Gemfeed index for $gemfeed_dir"
cat <<GEMFEED > "$gemfeed_dir/index.gmi.tmp"
# Gemfeed of $DOMAIN
## $SUBTITLE
GEMFEED
while read -r gmi_file; do
# Extract first heading as post title.
local title=$(generate::extract_title "$gemfeed_dir/$gmi_file")
# Extract the date from the file name, and also get the word count.
local filename_date=$(basename "$gemfeed_dir/$gmi_file" | cut -d- -f1,2,3)
local words=$(printf %04d "$(gemfeed::_get_word_count "$gemfeed_dir/$gmi_file")")
echo "$words words long: $title"
echo "=> ./$gmi_file $filename_date - $title" >> \
"$gemfeed_dir/index.gmi.tmp"
done < <(gemfeed::get_posts)
# Only overwrite if content changed, preserving mtime for template skip logic
generate::safe_overwrite "$gemfeed_dir/index.gmi.tmp" "$gemfeed_dir/index.gmi"
gemfeed::updatemainindex
}
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