126 lines
3.8 KiB
Bash
Executable File
126 lines
3.8 KiB
Bash
Executable File
#!/bin/sh
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# MIT License
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# Copyright (c) 2023 Bradley Taunt
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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set -eu
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MARKDOWN=lowdown
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MARKDOWN_OPTS="--html-no-skiphtml --html-no-escapehtml"
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IFS=' '
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# Create tab separated file with filename, title, creation date, last update
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index_tsv() {
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for f in "$1"/*.md
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do
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title=$(sed -n '/^# /{s/# //p; q}' "$f")
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printf '%s\t%s\t%s\t%s\n' "$f" "${title:="No Title"}"
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done
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}
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index_html() {
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# Print header
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title=$(sed -n '/^# /{s/# //p; q}' index.md)
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sed "s/{{TITLE}}/$title/" header.html
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# Intro text
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$MARKDOWN $MARKDOWN_OPTS index.md
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# Posts
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while read -r f title created; do
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link=$(echo "$f" | sed -E 's|.*/(.*).md|\1/|')
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created=$(echo $(head -3 "$f" | tail -1))
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echo "<span class='created'>$created — <a href=\"$link\">$title</a></span>"
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done < "$1" | sort -r
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# Print footer after post list
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cat footer.html
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}
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atom_xml() {
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uri=$(sed -rn '/atom.xml/ s/.*href="([^"]*)".*/\1/ p' header.html)
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domain=$(echo "$uri" | sed 's/atom.xml//g' | sed 's|/[^/]*$||')
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first_commit_date=$(git log --pretty='format:%ai' . | cut -d ' ' -f1 | tail -1)
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cat <<EOF
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<?xml version="1.0" encoding="utf-8"?>
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<feed xmlns="http://www.w3.org/2005/Atom">
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<title>$(sed -n '/^# /{s/# //p; q}' index.md)</title>
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<link href="$domain/atom.xml" rel="self" />
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<updated>$(date +%FT%TZ)</updated>
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<author>
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<name>$(git config user.name)</name>
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</author>
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<id>$domain,$first_commit_date:default-atom-feed/</id>
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EOF
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while read -r f title created; do
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content=$($MARKDOWN $MARKDOWN_OPTS "$f" | sed 's/&/\&/g; s/</\</g; s/>/\>/g; s/"/\"/g; s/'"'"'/\'/g')
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post_link=$(echo "$f" | sed -E 's|posts/(.*).md|\1|')
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basic_date=$(echo $(head -3 "$f" | tail -1))
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published_date=$(date -d $basic_date -u +%Y-%m-%dT10:%M:%SZ)
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cat <<EOF
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<entry>
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<title>$title</title>
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<content type="html">$content</content>
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<link href="$domain/$post_link"/>
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<id>$domain/$post_link</id>
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<updated>$published_date</updated>
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<published>$published_date</published>
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</entry>
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EOF
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done < "$1"
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echo '</feed>'
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}
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write_page() {
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filename=$1
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directory=$(echo $(basename "$filename" .md))
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$(mkdir -p build/$directory)
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target=$(echo "$filename" | sed -r 's|\w+/(.*).md|build/\1/index.html|')
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created=$(echo $(head -3 "$filename" | tail -1))
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title=$2
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$MARKDOWN $MARKDOWN_OPTS "$filename" | \
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cat header.html - |\
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sed "s|{{TITLE}}|$title|" \
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> "$target" && cat footer.html >> "$target"
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}
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rm -fr build && mkdir build
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# Blog posts
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index_tsv posts | sort -rt " " -k 3 > build/posts.tsv
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index_html build/posts.tsv > build/index.html
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atom_xml build/posts.tsv > build/atom.xml
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while read -r f title created; do
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write_page "$f" "$title" "$created"
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done < build/posts.tsv
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# Pages
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index_tsv pages > build/pages.tsv
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while read -r f title created; do
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write_page "$f" "$title" "$created"
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done < build/pages.tsv
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