rivet: a simple static site generator
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rivet/rivet.sh

215 lines
5.8 KiB

#!/bin/sh
# Copyright (c) 2020 Alessandro Mauri
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
set -e
unset SKIP_FOOTER
unset SKIP_HEADER
unset SKIP_LIST
unset VERBOSE
unset PRINT_HELP
unset SKIP_SITEMAP
usage() {
printf "Usage: rivet [-hovelfsu] [-p string] [-o destdir] srcdir domain\n"
printf "\t-h: prints this message\n"
printf "\t-o [destdir]: specifies the output direcotory to be [destdir]\n"
printf "\t-p: [string]: Rename the \"Pages\" section to [string]\n"
printf "\t-v: Makes the script verbose\n"
printf "\t-e: Do not prepend _header.html to .html files\n"
printf "\t-f: Do not prepend _footer.html to .html files\n"
printf "\t-l: Do not generate \"Pages\" section in index.html\n"
printf "\t-s: Do not generate sitemap.xml\n"
printf "\t-u: Makes all references to the url 'http' instead of 'https'\n"
exit 2
}
convert() {
tmpfile="tmpconvfile.tmp"
infile="$1"
outfile="${infile%???}.html"
cp "$infile" "$tmpfile"
# TODO: convert links to .md to .html
lowdown -s -Thtml -o "$outfile" "$tmpfile"
rm -f "$tmpfile" "$infile"
}
# Check dependencies
if ! command -v lowdown > /dev/null; then
echo "lowdown is not installed"
exit
fi
destdir='dst'
prefix='https'
linksec='Pages'
while getopts 'o:vhelfsup:' c
do
case "$c" in
o) destdir=${OPTARG%%\/} ;;
v) VERBOSE=true ;;
h) PRINT_HELP=true ;;
e) SKIP_HEADER=true ;;
l) SKIP_LIST=true ;;
f) SKIP_FOOTER=true ;;
s) SKIP_SITEMAP=true ;;
u) prefix='http' ;;
p) linksec="$OPTARG" ;;
*) ;;
esac
done
shift $((OPTIND - 1))
if ! [ "$1" ] || ! [ "$2" ]; then
echo "Not enough arguments"
usage
fi
src="$1"
srcdir=${src%%\/}
unset src
headerfile=$srcdir/_header.html
footerfile=$srcdir/_footer.html
filelist=filelist.tmp
# Check if index.md is present
if ! [ -e "$srcdir"/index.md ]; then
echo "Missing index.md in $srcdir"
exit 1
fi
# Check header and footer files
if ! [ -e "$headerfile" ]; then
echo "Missing _header.html in $srcdir"
exit 1
fi
if ! [ -e "$footerfile" ]; then
echo "Missing _footer.html in $srcdir"
exit 1
fi
# Remove junk from {header,footer} files
sed -i 's/<header.*>//' "$headerfile"
sed -i 's/<\/header>//' "$headerfile"
sed -i 's/<footer.*>//' "$footerfile"
sed -i 's/<\/footer>//' "$footerfile"
# Remove any junk from the domain eg. [https://]domain.com[/]
url="$(echo "$2" |
sed -e 's/^https*:\/\///' |
sed -e 's/\/$//' |
sed -e 's/[]\/$*.^[]/\\&/g')"
if [ "$PRINT_HELP" ]; then
usage
fi
if [ "$VERBOSE" ]; then
set -x
fi
if ! [ -d "$srcdir" ]; then
echo "Error: missing source direcotry"
usage
fi
rm -rf "$destdir"
mkdir -p "$destdir"
cp -r "$srcdir"/* "$destdir"
rm -f "$destdir"/_header.html "$destdir"/_footer.html
# Generate an ordered (by open time) file list
find "$srcdir" -type f -name "*.md" -exec ls -1t {} + > "$filelist"
sed -i "s,^\/*[^\/]*\/,$destdir/," "$filelist"
# Convert markdown files
while IFS="" read -r file; do
convert "$file"
done < "$filelist"
sed -i 's/\.md$/\.html/' "$filelist"
# Prepare the header
if ! [ "$SKIP_HEADER" ]; then
find "$destdir" -name "*.html" |
while IFS="" read -r file; do
sed -i "/<head>/r $headerfile" "$file"
done
fi
# Prepate the footer
if ! [ "$SKIP_FOOTER" ]; then
tmpfoot="tmpfootfile.tmp"
cp "$footerfile" "$tmpfoot"
sed -i '1s/^/<footer>/' "$tmpfoot"
echo '</footer>' >> "$tmpfoot"
find "$destdir" -name "*.html" |
while IFS="" read -r file; do
sed -i "/<\/body>/r $tmpfoot" "$file"
done
rm -f "$tmpfoot"
fi
# Prepare the sitemap & file list
if ! [ "$SKIP_SITEMAP" ] || ! [ "$SKIP_LIST" ]; then
linklist="linklist.tmp"
rm -f "$linklist" "$destdir"/sitemap.xml
while IFS="" read -r file; do
echo "${file#$destdir/}" >> "$linklist"
done < "$filelist"
if ! [ "$SKIP_LIST" ]; then
tmpfile="linkindex.tmp"
rm -f "$tmpfile"
cat << EOF >> "$tmpfile"
<div id="map">
<h2 id="Pages">$linksec</h2>
EOF
while IFS="" read -r line; do
if echo "$line" | grep -q 'index\.html'; then
continue
fi
title="$(grep -e '^<title>.*<\/title>' "$destdir"/"$line" |
sed -e 's/<title>//' -e 's/<\/title>//')"
if ! [ "$title" ] || echo "$title" | grep -q 'Untitled article'; then
title=${line%?????}
fi
printf "<p><a href=\"%s\">%s</a></p>\n" "$line" "$title" >> "$tmpfile"
done < "$linklist"
echo '</div>' >> "$tmpfile"
sed -i '/<\/body>/i REPLACE' "$destdir"/index.html
sed -i "/^REPLACE/r $tmpfile" "$destdir"/index.html
sed -i 's/^REPLACE//' "$destdir"/index.html
rm -f "$tmpfile"
fi
if ! [ "$SKIP_SITEMAP" ]; then
sed -i -e "s/^/$prefix:\/\/$url\//" "$linklist"
cat << EOF >> "$destdir"/sitemap.xml
<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
</urlset>
EOF
while IFS="" read -r line; do
sed -i "/<\/urlset>/i \
<url><loc>$line<\/loc><\/url>" "$destdir"/sitemap.xml
done < "$linklist"
sed -i 's/^<url>/\t<url>/' "$destdir"/sitemap.xml
fi
rm -f "$linklist" "$filelist"
fi
exit