diff options
Diffstat (limited to 'barf')
| -rwxr-xr-x | barf | 306 |
1 files changed, 126 insertions, 180 deletions
@@ -1,212 +1,158 @@ #!/bin/sh -start_time=$(date +%s) domain="https://btxx.org" -timestamp_file="timestamps.tsv" - -# Check the operating system and set aliases -case $(uname -s) in - OpenBSD) - alias sed=gsed - alias date=gdate - alias rsync=openrsync - ;; - Darwin) - alias sed=gsed - alias date=gdate - ;; -esac -set -eu -MARKDOWN=lowdown -IFS=$'\t' - -# Precompute values used in multiple places -header_title=$(sed -n '/^# /{s/# //p; q}' index.md) -git_user_name=$(git config user.name) -first_commit_date=$(git log --pretty='format:%ai' . | cut -d ' ' -f1 | tail -1) -now=$(date +%FT%TZ) -now_rss=$(date -u +"%a, %d %b %Y %H:%M:%S %z") - -# Update the timestamp for a markdown file -update_timestamp() { - local filename=$1 - local timestamp=$(date -r "$filename" +%s) - # Remove old timestamp and add new - awk -v file="$filename" -v ts="$timestamp" '$1 != file {print $0}' "$timestamp_file" > "${timestamp_file}.tmp" - echo "$filename $timestamp" >> "${timestamp_file}.tmp" - mv "${timestamp_file}.tmp" "$timestamp_file" -} +# Check the operating system +os_name=$(uname -s) -# Check if the markdown file needs rebuilding -needs_rebuilding() { - local filename=$1 - local last_mod=$(date -r "$filename" +%s) - local last_build=$(awk -v file="$filename" '$1 == file {print $2}' "$timestamp_file") - - if [ "$last_mod" -gt "${last_build:-0}" ]; then - return 0 # needs rebuilding - else - return 1 # does not need rebuilding - fi -} +if [ "$os_name" = "OpenBSD" ]; then + alias sed=gsed + alias date=gdate + alias rsync=openrsync +elif [ "$os_name" = "Darwin" ]; then + alias sed=gsed + alias date=gdate +fi -# Define write_page function -write_page() { - local filename=$1 - local title=$2 - local category=$3 # Category determines if it's a post or a page - - if needs_rebuilding "$filename"; then - local directory - if [ "$category" = "posts" ]; then - directory="build/posts/$(basename "$filename" .md)" - else - directory="build/$(basename "$filename" .md)" - fi - mkdir -p "$directory" - local target="${directory}/index.html" - local created=$(head -3 "$filename" | tail -1) - - { - sed "s|{{TITLE}}|$title|" header.html - $MARKDOWN "$filename" - cat footer.html - } > "$target" - update_timestamp "$filename" - - echo "Rebuilt: $filename" - fi -} +set -eu +MARKDOWN=lowdown +IFS=' ' -# Create tab separated file with filename, title +# Create tab separated file with filename, title, creation date, last update index_tsv() { - for f in "$1"/*.md; do - title=$(sed -n '/^# /{s/# //p; q}' "$f") - printf '%s\t%s\n' "$f" "${title:="No Title"}" - done + for f in "$1"/*.md + do + title=$(sed -n '/^# /{s/# //p; q}' "$f") + printf '%s\t%s\t%s\t%s\n' "$f" "${title:="No Title"}" + done } -# Generate index.html index_html() { - sed "s/{{TITLE}}/$header_title/" header.html - $MARKDOWN index.md - echo "<div>" - - while read -r f title; do - link="${f%.md}/" - created=$(head -3 "$f" | tail -1) - echo "<span>$created · <a href=\"$link\">$title</a></span><br>" - done < "$1" | sort -r - - echo "</div>" - cat footer.html + # Print header + title=$(sed -n '/^# /{s/# //p; q}' index.md) + sed "s/{{TITLE}}/$title/" header.html + + # Intro text + $MARKDOWN index.md + + echo "<ul>" + + # Posts + while read -r f title created; do + link=$(echo "$f" | sed -E 's|.*/(.*).md|\1/|') + created=$(echo $(head -3 "$f" | tail -1)) + echo "<li>$created · <a href=\"$link\">$title</a></li>" + done < "$1" | sort -r + + echo "</ul>" + + # Print footer after post list + cat footer.html } -# Generate atom.xml atom_xml() { - echo "<?xml version=\"1.0\" encoding=\"utf-8\"?> -<feed xmlns=\"http://www.w3.org/2005/Atom\"> - <title>$header_title</title> - <link href=\"$domain/atom.xml\" rel=\"self\" /> - <updated>$now</updated> - <author> - <name>$git_user_name</name> - </author> - <id>$domain,$first_commit_date:default-atom-feed</id>" - - while read -r f title; do - content=$($MARKDOWN "$f" | sed 's/&/\&/g; s/</\</g; s/>/\>/g; s/"/\"/g; s/'"'"'/\'/g') - post_link="${f%.md}" - basic_date=$(head -3 "$f" | tail -1) - published_date=$(date -d "$basic_date" -u +%Y-%m-%dT10:%M:%SZ) - echo " <entry> - <title>$title</title> - <content type=\"html\">$content</content> - <link href=\"$domain/$post_link\"/> - <id>$domain/$post_link</id> - <updated>$published_date</updated> - <published>$published_date</published> - </entry>" - done < "$1" - echo '</feed>' + uri=$(sed -rn '/atom.xml/ s/.*href="([^"]*)".*/\1/ p' header.html) + first_commit_date=$(git log --pretty='format:%ai' . | cut -d ' ' -f1 | tail -1) + + cat <<EOF +<?xml version="1.0" encoding="utf-8"?> +<feed xmlns="http://www.w3.org/2005/Atom"> + <title>$(sed -n '/^# /{s/# //p; q}' index.md)</title> + <link href="$domain/atom.xml" rel="self" /> + <updated>$(date +%FT%TZ)</updated> + <author> + <name>$(git config user.name)</name> + </author> + <id>$domain,$first_commit_date:default-atom-feed/</id> +EOF + + while read -r f title created; do + + content=$($MARKDOWN "$f" | sed 's/&/\&/g; s/</\</g; s/>/\>/g; s/"/\"/g; s/'"'"'/\'/g') + post_link=$(echo "$f" | sed -E 's|posts/(.*).md|\1|') + basic_date=$(echo $(head -3 "$f" | tail -1)) + published_date=$(date -d $basic_date -u +%Y-%m-%dT10:%M:%SZ) + + cat <<EOF + <entry> + <title>$title</title> + <content type="html">$content</content> + <link href="$domain/$post_link"/> + <id>$domain/$post_link</id> + <updated>$published_date</updated> + <published>$published_date</published> + </entry> +EOF + done < "$1" + + echo '</feed>' } -# Generate RSS rss_xml() { - uri=$(sed -rn '/rss.xml/ s/.*href="([^"]*)".*/\1/ p' header.html) - first_commit_date=$(git log --pretty='format:%ai' . | cut -d ' ' -f1 | tail -1) + uri=$(sed -rn '/rss.xml/ s/.*href="([^"]*)".*/\1/ p' header.html) + first_commit_date=$(git log --pretty='format:%ai' . | cut -d ' ' -f1 | tail -1) - cat <<EOF + cat <<EOF <?xml version="1.0" encoding="utf-8"?> <rss version="2.0"> - <channel> - <title>$(sed -n '/^# /{s/# //p; q}' index.md)</title> - <link>$domain/rss.xml</link> - <description>Feed description here</description> - <lastBuildDate>$(date -u +"%a, %d %b %Y %H:%M:%S %z")</lastBuildDate> - <pubDate>$(date -u +"%a, %d %b %Y %H:%M:%S %z")</pubDate> - <generator>Custom RSS Generator</generator> - <ttl>1800</ttl> + <channel> + <title>$(sed -n '/^# /{s/# //p; q}' index.md)</title> + <link>$domain/rss.xml</link> + <description>Feed description here</description> + <lastBuildDate>$(date -u +"%a, %d %b %Y %H:%M:%S %z")</lastBuildDate> + <pubDate>$(date -u +"%a, %d %b %Y %H:%M:%S %z")</pubDate> + <generator>Custom RSS Generator</generator> + <ttl>1800</ttl> EOF - while read -r f title created; do - content=$($MARKDOWN "$f" | sed 's/&/\&/g; s/</\</g; s/>/\>/g; s/"/\"/g; s/'"'"'/\'/g') - post_link=$(echo "$f" | sed -E 's|posts/(.*).md|\1|') - basic_date=$(echo $(head -3 "$f" | tail -1)) - published_date=$(date -d "$basic_date" -u +"%a, %d %b %Y %H:%M:%S %z") - - cat <<EOF - <item> - <title>$title</title> - <description>$content</description> - <link>$domain/$post_link</link> - <guid isPermaLink="false">$domain/$post_link</guid> - <pubDate>$published_date</pubDate> - </item> + while read -r f title created; do + content=$($MARKDOWN "$f" | sed 's/&/\&/g; s/</\</g; s/>/\>/g; s/"/\"/g; s/'"'"'/\'/g') + post_link=$(echo "$f" | sed -E 's|posts/(.*).md|\1|') + basic_date=$(echo $(head -3 "$f" | tail -1)) + published_date=$(date -d "$basic_date" -u +"%a, %d %b %Y %H:%M:%S %z") + + cat <<EOF + <item> + <title>$title</title> + <description>$content</description> + <link>$domain/$post_link</link> + <guid isPermaLink="false">$domain/$post_link</guid> + <pubDate>$published_date</pubDate> + </item> EOF - done < "$1" + done < "$1" - echo '</channel>' - echo '</rss>' + echo '</channel>' + echo '</rss>' } -# Initialize timestamps for all Markdown files if not already done -initialize_timestamps() { - if [ ! -f "$timestamp_file" ] || [ ! -s "$timestamp_file" ]; then - echo "Initializing timestamps..." - touch "$timestamp_file" # Ensure the file exists - for f in index.md posts/*.md pages/*.md header.html footer.html; do - update_timestamp "$f" - done - echo "Timestamps initialized for all files." - fi +write_page() { + filename=$1 + directory=$(echo $(basename "$filename" .md)) + $(mkdir -p build/$directory) + target=$(echo "$filename" | sed -r 's|\w+/(.*).md|build/\1/index.html|') + created=$(echo $(head -3 "$filename" | tail -1)) + title=$2 + + $MARKDOWN "$filename" | \ + cat header.html - |\ + sed "s|{{TITLE}}|$title|" \ + > "$target" && cat footer.html >> "$target" } -# Main operations -mkdir -p build/posts build/pages -initialize_timestamps - -index_tsv posts > build/posts.tsv -index_tsv pages > build/pages.tsv - -while read -r f title; do - write_page "$f" "$title" "posts" -done < build/posts.tsv - -while read -r f title; do - write_page "$f" "$title" "pages" -done < build/pages.tsv - -if needs_rebuilding "index.md"; then - index_html build/posts.tsv > build/index.html - echo "Rebuilt index.html due to changes in index.md" - update_timestamp "index.md" -fi +rm -rf build && mkdir build +# Blog posts +index_tsv posts | sort -rt " " -k 3 > build/posts.tsv +index_html build/posts.tsv > build/index.html atom_xml build/posts.tsv > build/atom.xml rss_xml build/posts.tsv > build/rss.xml +while read -r f title created; do + write_page "$f" "$title" "$created" +done < build/posts.tsv -end_time=$(date +%s) -elapsed_time=$((end_time - start_time)) -echo "Total time: ${elapsed_time}s" +# Pages +index_tsv pages > build/pages.tsv +while read -r f title created; do + write_page "$f" "$title" "$created" +done < build/pages.tsv |