refactor: move static site generator out of the repo

5 files changed, 4 insertions, 344 deletions

diff --git a/Makefile b/Makefile
index 62aa03a..c335802 100644
--- a/Makefile
+++ b/Makefile
@@ -4,14 +4,16 @@ REMOTE := root@rgoncalves.se
 REMOTE_DIR := /var/www/htdocs/rgoncalves.se
 OUTPUT_DIR := ./out
 TEMPORARY_DIR := ./tmp
+BIN_DIR := ../ssg
+PATH := $(PATH):../ssg
 
 .PHONY: all \
 	site \
 	clean
 
 site: clean
-	./bin/ssg
-	./bin/rssg
+	$(BIN_DIR)/ssg
+	$(BIN_DIR)/rssg
 
 preview: site
 	python3 -m http.server --directory $(OUTPUT_DIR) --bind 127.0.0.1
diff --git a/bin/func b/bin/func
deleted file mode 100644
index 0468b29..0000000
--- a/bin/func
+++ /dev/null
@@ -1,257 +0,0 @@
-#!/bin/sh
-
-media_dir="media"
-src_dir="src"
-tmp_dir="tmp"
-out_dir="out"
-
-tmp_file="${tmp_dir}/tmp"
-rss_dir="${src_dir}/b"
-rss_out_file="${out_dir}/rss.xml"
-
-website_domain="rgoncalves.se"
-website_title="${website_domain}"
-website_link="https://${website_domain}"
-website_email="contact@${website_domain}"
-website_generator="${website_domain}'s ssg"
-website_description="devops and hacker D:"
-website_language="en"
-
-date_default_hour="17:00:00"
-date_default_timezone="+0200"
-
-uname=$(uname)
-
-__sha256="sha256"
-
-if [ "${uname}" = "Linux" ]; then
-	__sha256="sha256sum"
-fi
-
-__to_html_id() {
-	cat /dev/stdin | sed 's/ /%20/g'
-}
-
-__get_value() {
-	# 1: filename
-	# 2: Attribute name
-	# Retrieve and return the key/value of a lowdown source file.
-	lowdown -T ms -X "${2}" "${1}" 2>/dev/null
-}
-
-__get_value_title() {
-	# 1: filename
-	# Get the title of a file and return a safe string.
-	local _title
-
-	_title="$(__get_value ${1} title || true)"
-	if [ "${_title}" = "" ]; then
-		_title="$(basename ${1} |
-			rev |
-			cut -d "." -f 2 |
-			rev |
-			sed 's/-/ /g')"
-	fi
-
-	echo "${_title}"
-}
-
-__get_value_date() {
-	# 1: filename
-	# Get the date of a file and return a safe string.
-	local _date
-
-	_date="$(__get_value ${1} date || true)"
-	if [ "${_date}" = "" ]; then
-		_date="1970-01-01"
-	fi
-
-	echo "${_date}"
-}
-
-__get_value_date_human() {
-	# 1: filename
-	# Get a human readable date from a file and return a safe string.
-	if [ "${uname}" = "Linux" ]; then
-		__get_value_date "${1}" | xargs date +"%d %b %Y" -d
-	else
-		__get_value_date "${1}" | xargs date -j -f "%Y-%m-%d" +"%d %b %Y"
-	fi
-}
-
-__get_value_date_publication() {
-	# 1: filename
-	# Get publication date according to rfc 2822 and return a safe string.
-	local _date
-
-	_date="$(__get_value_date ${1})"
-	_date="${_date} ${date_default_hour} ${date_default_timezone}"
-
-	if [ "${uname}" = "Linux" ]; then
-		date -d "${_date}" +"%a, %d %b %Y %H:%M:%S %z"
-	else
-		date -j -f "%Y-%m-%d %H:%M:%S %z" +"%a, %d %b %Y %H:%M:%S %z" "${_date}"
-	fi
-}
-
-__get_out_filename() {
-	# 1: filename
-	# Convert the source filename to its output destination.
-	local _filename
-
-	_filename="${1}"
-
-	if $(__get_value "${1}" draft || false); then
-		_filename="$(dirname ${1})/$(basename ${1} | "${__sha256}").html"
-	fi
-	
-	echo "${_filename}" |
-		sed 's/.md$/.html/g' |
-		sed "s/${src_dir}/${out_dir}/g"
-}
-
-__get_final_filename() {
-	# 1: filename
-	# Convert the source filename to its final filename for a webserver.
-	__get_out_filename "${1}" | cut -d "/" -f 2-
-}
-
-__list_files() {
-	# 1: directory
-	# List all regular files in a directory and its subdirectories.
-	find "${1}" -type f
-}
-
-__list_files_date() {
-	# 1: directory
-	local _files
-	local _file
-	local _tmp_file
-	
-	_files=$(__list_files "${1}")
-	_tmp_file="${tmp_file}.list_files_date"
-
-	cp /dev/null "${_tmp_file}"
-
-	for _file in ${_files}; do
-		echo "$(__get_value_date ${_file})" "${_file}" >> "${_tmp_file}"
-	done
-
-	sort -r "${_tmp_file}" | cut -d " " -f 2-
-}
-
-__install() {
-	# 1: filename
-	# Copy a file to the output directory.
-	install -D -m 0644 "${1}" "${2}"
-}
-
-__lowdown() {
-	# Output a file to html
-	lowdown --html-no-skiphtml --html-no-escapehtml "${1}"
-}
-
-__generate_rss_body() {
-	lowdown -tgemini "${1}" | sed 's/&/\&amp;/g; s/</\&lt;/g; s/>/\&gt;/g; s/"/\&quot;/g; s/'"'"'/\&#39;/g'
-}
-
-__apply_template() {
-	# 1: template name or default
-	m4 "templates/${1:-default}"
-}
-
-__generate_index_line() {
-	# 1: filename where index will be displayed
-	# 2: filename contained in line
-	local _show_date
-
-	_show_date="$(__get_value ${1} index_date || echo false)"
-
-	if "${_show_date}"; then
-		cat <<-EOF
-		<span>
-		$(__get_value_date_human ${2})
-		</span>
-		EOF
-	fi
-
-	cat <<-EOF
-	<a href="/$(__get_final_filename ${2})">
-	$(__get_value_title ${2})
-	</a>
-	EOF
-}
-
-__generate_index() {
-	# 1: filename
-	# Generate and output to stdout the index of a file.
-	local _file
-	local _index_dir
-
-	_index_dir="${src_dir}/$(__get_value "${1}" index)"
-	[ -f "${_index_dir}" ] && _index_dir=$(dirname "${_index_dir}")
-	[ ! -d "${_index_dir}" ] && return
-
-	echo "<ul class=\"index\">"
-
-	for _file in $(__list_files_date "${_index_dir}"); do
-		[ "${1}" = "${_file}" ] && continue
-		__get_value "${_file}" "draft" >/dev/null && continue
-
-		echo "<li>"
-		__generate_index_line "${1}" "${_file}"
-		echo "</li>"
-	done
-
-	echo "</ul>"
-}
-
-__generate_metadata() {
-	# 1: filename
-	# Generate metadata with title
-	local _title
-	local _show_title
-
-	_show_title=$(__get_value "${1}" show_title || true)
-
-	if [ "${_show_title}" = "" ]; then
-		_title=$(__get_value_title "${1}")
-		_title_id=$(echo ${_title} | __to_html_id)
-
-		cat <<-EOF
-		<h1 id="${_title_id}">
-		${_title}
-		</h1>
-		EOF
-	fi
-}
-
-__handle_md() {
-	# 1: filename
-	# Handle markdown files.
-	__lowdown "${1}" > "${tmp_file}.body"
-
-	__generate_metadata "${1}" > "${tmp_file}.metadata"
-
-	if [ ! "$(__get_value "${1}" index)" = "" ]; then
-		__generate_index "${1}" > "${tmp_file}.index"
-	else
-		[ -f "${tmp_file}.index" ] && rm "${tmp_file}.index"
-	fi
-
-	__apply_template "$(__get_value "${1}" template)" > "${tmp_file}"
-	__install "${tmp_file}" "$(__get_out_filename "${1}")"
-}
-
-__handle() {
-	# 1: filename
-	# Handle file depending on its filename and filetype.
-	case "${1}" in
-		*.md)
-			__handle_md "${1}"
-			;;
-		*)
-			__install "${1}" "$(__get_out_filename ${1})"
-			;;
-	esac
-}
diff --git a/bin/picc b/bin/picc
deleted file mode 100755
index f25d6d9..0000000
--- a/bin/picc
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/bin/sh
-
-set -xe
-
-[ ! -f "${1}" ]
-[ -f "${2}" ]
-[ -n "${3}" ]
-
-convert "${2}" -dither Riemersma -colors 16 "${3}"
diff --git a/bin/rssg b/bin/rssg
deleted file mode 100755
index aee5735..0000000
--- a/bin/rssg
+++ /dev/null
@@ -1,48 +0,0 @@
-#!/bin/sh
-
-. bin/func
-
-set -e
-
-current_date=$(date +"%a, %d %b %Y %H:%M:%S %z")
-
-cat <<-EOF > "${rss_out_file}"
-<rss version="2.0">
-<channel>
-<title>${website_title}</title>
-<description>${website_description}</description>
-<link>${website_link}</link>
-<copyright>$(date +"%Y") ${website_title} - All rights reserved</copyright>
-<managingEditor>${website_email}</managingEditor>
-<webMaster>${website_email}</webMaster>
-<lastBuildDate>${current_date}</lastBuildDate>
-<pubDate>${current_date}</pubDate>
-<generator>${website_generator}</generator>
-<language>${website_language}</language>
-<docs>https://validator.w3.org/feed/docs/rss2.html</docs>
-<ttl>1800</ttl>
-EOF
-
-for file in $(__list_files_date "${rss_dir}"); do
-	__get_value "${file}" "draft" >/dev/null && continue
-
-	title=$(__get_value_title "${file}")
-	date=$(__get_value_date_publication "${file}")
-	link="${website_link}/$(__get_final_filename "${file}")"
-	guid="$(echo "${link}" | "${__sha256}" | cut -d ' ' -f 1)"
-	description=$(__generate_rss_body "${file}")
-	cat <<-EOF >> "${rss_out_file}"
-	<item>
-	<title>${title}</title>
-	<link>${link}</link>
-	<pubDate>${date}</pubDate>
-	<guid>${guid}</guid>
-	<description>${description}</description>
-	</item>
-	EOF
-done
-
-cat <<-EOF >> "${rss_out_file}"
-</channel>
-</rss>
-EOF
diff --git a/bin/ssg b/bin/ssg
deleted file mode 100755
index f8da7c6..0000000
--- a/bin/ssg
+++ /dev/null
@@ -1,28 +0,0 @@
-#!/bin/sh
-
-. bin/func
-
-set -xe
-
-media_branch="media"
-src_files="$(__list_files ${src_dir})"
-dirs="${media_dir} \
-	${src_dir} \
-	${tmp_dir} \
-	${out_dir}"
-
-# Ensure directories exist.
-for dir in ${dirs}; do
-	[ ! -d "${dir}" ] && mkdir "${dir}"
-done
-
-# Generate output files from sources.
-for src_file in ${src_files}; do
-	__handle "${src_file}"
-done
-
-# Copy images
-if git rev-parse media; then
-	git restore --source=media --worktree "img"
-	mv "img" "out"
-fi