#!/bin/sh die() { echo "Error: $1" >&2 exit 1 } usage() { cat <] [--to ] $0 [src] [out] $0 --new [title] $0 --help Options: --help Show this help message. --new [title] Create a new site directory (default: site) --from Source directory (default: site) --to Output directory (default: out) EOF } script_dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd) awk_dir="$script_dir/awk" ensure_root_defaults() { if [ ! -f "./site.conf" ]; then cat > "./site.conf" <<'EOF' title = "kewt" style = "kewt" dir_indexes = true single_file_index = true flatten = false order = "" home_name = "Home" show_home_in_nav = true footer = "made with kewt" logo = "" display_logo = false display_title = true logo_as_favicon = true favicon = "" EOF fi if [ ! -f "./template.html" ]; then cat > "./template.html" <<'EOF' {{TITLE}} {{HEAD_EXTRA}}

EOF fi } create_new_site() { new_title="$1" new_dir="site" [ -n "$new_title" ] && new_dir="$new_title" [ -e "$new_dir" ] && die "Target '$new_dir' already exists." ensure_root_defaults mkdir -p "$new_dir" cp "./site.conf" "$new_dir/site.conf" printf "# _kewt_ website\n" > "$new_dir/index.md" if [ -n "$new_title" ]; then awk -v new_title="$new_title" -f "$awk_dir/update_site_conf.awk" "$new_dir/site.conf" > "$new_dir/site.conf.tmp" && mv "$new_dir/site.conf.tmp" "$new_dir/site.conf" fi echo "Created new site at '$new_dir'." exit 0 } generate_nav() { dinfo=$(find "$1" $ -name ".*" ! -name "." ! -name ".." -prune $ -o -print | sort | awk -v src="$1" -f "$awk_dir/collect_dir_info.awk") find "$1" $ -name ".*" ! -name "." ! -name ".." -prune $ -o -name "*.md" -print | sort | awk -v src="$1" -v single_file_index="$single_file_index" -v flatten="$flatten" -v order="$order" -v dinfo="$dinfo" -f "$awk_dir/generate_sidebar.awk" } src="" out="" new_mode="false" new_title="" positional_count=0 while [ $# -gt 0 ]; do case "$1" in --help|-h) usage exit 0 ;; --new) new_mode="true" if [ $# -gt 1 ] && [ "${2#-}" = "$2" ]; then new_title="$2" shift fi ;; --from) [ $# -lt 2 ] && die "--from requires a value." src="$2" shift ;; --to) [ $# -lt 2 ] && die "--to requires a value." out="$2" shift ;; --*) die "Unknown option: $1" ;; *) positional_count=$((positional_count + 1)) if [ "$positional_count" -eq 1 ]; then [ -z "$src" ] && src="$1" || die "Source already set (use either positional or --from)." elif [ "$positional_count" -eq 2 ]; then [ -z "$out" ] && out="$1" || die "Output already set (use either positional or --to)." else die "Too many positional arguments." fi ;; esac shift done [ "$new_mode" = "true" ] && create_new_site "$new_title" ensure_root_defaults [ -z "$src" ] && src="site" [ -z "$out" ] && out="out" src="${src%/}" out="${out%/}" [ -d "$src" ] || die "Source directory '$src' does not exist." IGNORE_ARGS="-name '.kewtignore' -o -path '$src/.*'" if [ -f "$src/.kewtignore" ]; then while IFS= read -r line || [ -n "$line" ]; do case "$line" in ''|'#'*) continue ;; esac pattern=$(echo "$line" | sed 's/^[[:space:]]*//; s/[[:space:]]*$//') [ -z "$pattern" ] && continue pattern_clean="${pattern#/}" pattern_clean="${pattern_clean%/}" if echo "$pattern" | grep -q "/"; then IGNORE_ARGS="$IGNORE_ARGS -o -path '$src/$pattern_clean' -o -path '$src/$pattern_clean/*'" else IGNORE_ARGS="$IGNORE_ARGS -o -name '$pattern_clean'" fi done < "$src/.kewtignore" fi find "$src" -name .kewtignore > "/tmp/kewt_ignore_$$" while read -r ki; do d="${ki%/.kewtignore}" if [ "$d" != "$src" ] && [ "$d" != "." ]; then IGNORE_ARGS="$IGNORE_ARGS -o -path '$d' -o -path '$d/*'" fi done < "/tmp/kewt_ignore_$$" rm -f "/tmp/kewt_ignore_$$" HIDE_ARGS="-name '.kewtignore' -o -name '.kewthide' -o -name '.kewtpreserve' -o -path '$src/.*'" if [ -f "$src/.kewthide" ]; then while IFS= read -r line || [ -n "$line" ]; do case "$line" in ''|'#'*) continue ;; esac pattern=$(echo "$line" | sed 's/^[[:space:]]*//; s/[[:space:]]*$//') [ -z "$pattern" ] && continue pattern_clean="${pattern#/}" pattern_clean="${pattern_clean%/}" if echo "$pattern" | grep -q "/"; then HIDE_ARGS="$HIDE_ARGS -o -path '$src/$pattern_clean' -o -path '$src/$pattern_clean/*'" else HIDE_ARGS="$HIDE_ARGS -o -name '$pattern_clean'" fi done < "$src/.kewthide" fi find "$src" -name .kewthide > "/tmp/kewt_hide_$$" while read -r kh; do d="${kh%/.kewthide}" if [ "$d" != "$src" ] && [ "$d" != "." ]; then HIDE_ARGS="$HIDE_ARGS -o -path '$d' -o -path '$d/*'" fi done < "/tmp/kewt_hide_$$" rm -f "/tmp/kewt_hide_$$" PRESERVE_ARGS="-false" if [ -f "$src/.kewtpreserve" ]; then while IFS= read -r line || [ -n "$line" ]; do case "$line" in ''|'#'*) continue ;; esac pattern=$(echo "$line" | sed 's/^[[:space:]]*//; s/[[:space:]]*$//') [ -z "$pattern" ] && continue pattern_clean="${pattern#/}" pattern_clean="${pattern_clean%/}" if echo "$pattern" | grep -q "/"; then PRESERVE_ARGS="$PRESERVE_ARGS -o -path '$src/$pattern_clean' -o -path '$src/$pattern_clean/*'" else PRESERVE_ARGS="$PRESERVE_ARGS -o -name '$pattern_clean'" fi done < "$src/.kewtpreserve" fi find "$src" -name .kewtpreserve > "/tmp/kewt_preserve_$$" while read -r kp; do d="${kp%/.kewtpreserve}" if [ "$d" != "$src" ] && [ "$d" != "." ]; then PRESERVE_ARGS="$PRESERVE_ARGS -o -path '$d' -o -path '$d/*'" fi done < "/tmp/kewt_preserve_$$" rm -f "/tmp/kewt_preserve_$$" generate_nav() { dinfo=$(eval "find \"$1\" $ $IGNORE_ARGS -o $HIDE_ARGS -o $PRESERVE_ARGS $ -prune -o -print" | sort | awk -v src="$1" -f "$awk_dir/collect_dir_info.awk") eval "find \"$1\" $ $IGNORE_ARGS -o $HIDE_ARGS -o $PRESERVE_ARGS $ -prune -o -name \"*.md\" -print" | sort | awk -v src="$1" -v single_file_index="$single_file_index" -v flatten="$flatten" -v order="$order" -v home_name="$home_name" -v show_home_in_nav="$show_home_in_nav" -v dinfo="$dinfo" -f "$awk_dir/generate_sidebar.awk" } title="kewt" style="kewt" footer="made with kewt" dir_indexes="true" single_file_index="true" flatten="false" order="" home_name="Home" show_home_in_nav="true" logo="" display_logo="false" display_title="true" logo_as_favicon="true" favicon="" load_config() { [ -f "$1" ] || return while IFS= read -r line; do case "$line" in ''|'#'*) continue ;; *=*) ;; *) continue ;; esac key=${line%%=*} val=${line#*=} key=$(printf '%s' "$key" | sed 's/^[[:space:]]*//; s/[[:space:]]*$//') val=$(printf '%s' "$val" | sed 's/^[[:space:]]*//; s/[[:space:]]*$//') case "$val" in \"*\") val=${val#\"}; val=${val%\"} ;; \'*\') val=${val#\'}; val=${val%\'} ;; esac case "$key" in title) title="$val" ;; style) style="$val" ;; dir_indexes) dir_indexes="$val" ;; single_file_index) single_file_index="$val" ;; flatten) flatten="$val" ;; order) order="$val" ;; home_name) home_name="$val" ;; show_home_in_nav) show_home_in_nav="$val" ;; footer) footer="$val" ;; logo) logo="$val" ;; display_logo) display_logo="$val" ;; display_title) display_title="$val" ;; logo_as_favicon) logo_as_favicon="$val" ;; favicon) favicon="$val" ;; esac done < "$1" } load_config "./site.conf" load_config "$src/site.conf" template="$src/template.html" [ -f "$template" ] || template="./template.html" [ -f "$template" ] || die "Template '$template' not found." [ -d "$out" ] && rm -rf "$out" mkdir -p "$out" nav=$(generate_nav "$src") find_closest() { target="$1" start_dir="$2" curr="$start_dir" while [ "$curr" != "$src" ] && [ "$curr" != "." ] && [ "$curr" != "/" ]; do if [ -f "$curr/$target" ]; then echo "$curr/$target" return fi curr=$(dirname "$curr") done if [ -f "$src/$target" ]; then echo "$src/$target" fi } copy_style_with_resolved_vars() { src_style="$1" out_style="$2" awk -f "$awk_dir/replace_variables.awk" "$src_style" > "$out_style" } render_markdown() { file="$1" local_template=$(find_closest "template.html" "$(dirname "$file")") [ -z "$local_template" ] && local_template="$template" closest_style_src=$(find_closest "styles.css" "$(dirname "$file")") [ -z "$closest_style_src" ] && closest_style_src=$(find_closest "style.css" "$(dirname "$file")") if [ -n "$closest_style_src" ]; then style_rel_to_src="${closest_style_src#$src/}" case "$closest_style_src" in "$src/styles.css") style_rel_to_src="styles.css" ;; "$src/style.css") style_rel_to_src="style.css" ;; esac style_path="/${style_rel_to_src%styles.css}" style_path="${style_path%style.css}styles.css" else style_path="/styles.css" fi logo_html="" if [ "$display_logo" = "true" ] && [ -n "$logo" ]; then logo_html=" $\"$title\"$ " fi brand_text="" if [ "$display_title" = "true" ]; then brand_text="$title" fi if [ -n "$logo_html" ] && [ -n "$brand_text" ]; then header_brand="$logo_html $brand_text" elif [ -n "$logo_html" ]; then header_brand="$logo_html" elif [ -n "$brand_text" ]; then header_brand="$brand_text" else header_brand="$title" fi favicon_src="" if [ "$logo_as_favicon" = "true" ] && [ -n "$logo" ]; then favicon_src="$logo" elif [ -n "$favicon" ]; then favicon_src="$favicon" fi head_extra="" if [ -n "$favicon_src" ]; then head_extra="" fi MARKDOWN_SITE_ROOT="$src" MARKDOWN_FALLBACK_FILE="$script_dir/styles/$style.css" sh "$script_dir/markdown.sh" "$file" | awk -v title="$title" -v nav="$nav" -v footer="$footer" -v style_path="$style_path" -v header_brand="$header_brand" -v head_extra="$head_extra" -f "$awk_dir/render_template.awk" "$local_template" } echo "Building site from '$src' to '$out'..." eval "find \"$src\" $ $IGNORE_ARGS $ -prune -o -type d -print" | sort | while read -r dir; do rel_dir="${dir#$src}" rel_dir="${rel_dir#/}" [ -z "$rel_dir" ] && rel_dir="." out_dir="$out/$rel_dir" mkdir -p "$out_dir" if [ -f "$dir/styles.css" ]; then copy_style_with_resolved_vars "$dir/styles.css" "$out_dir/styles.css" elif [ -f "$dir/style.css" ]; then copy_style_with_resolved_vars "$dir/style.css" "$out_dir/styles.css" fi [ "$dir_indexes" != "true" ] && continue if [ ! -f "$dir/index.md" ]; then if [ "$single_file_index" = "true" ]; then md_count=$(find "$dir" ! -name "$(basename "$dir")" -prune -name "*.md" | wc -l) if [ "$md_count" -eq 1 ]; then md_file=$(find "$dir" ! -name "$(basename "$dir")" -prune -name "*.md") render_markdown "$md_file" > "$out_dir/index.html" continue fi fi temp_index="/tmp/kewt_index_$$.md" display_dir="${rel_dir#.}" [ -z "$display_dir" ] && display_dir="/" echo "# Index of $display_dir" > "$temp_index" echo "" >> "$temp_index" find "$dir" ! -name "$(basename "$dir")" -prune ! -name ".*" -print | sort | while read -r entry; do name="${entry##*/}" case "$name" in template.html|site.conf|style.css|index.md) continue ;; esac if [ -d "$entry" ]; then echo "- [${name}/](${name}/index.html)" >> "$temp_index" elif [ "${entry%.md}" != "$entry" ]; then echo "- [${name%.md}](${name%.md}.html)" >> "$temp_index" else echo "- [$name]($name)" >> "$temp_index" fi done render_markdown "$temp_index" > "$out_dir/index.html" rm "$temp_index" fi done if [ ! -f "$out/styles.css" ] && [ -f "$script_dir/styles/$style.css" ]; then copy_style_with_resolved_vars "$script_dir/styles/$style.css" "$out/styles.css" fi eval "find \"$src\" $ $IGNORE_ARGS $ -prune -o -type f -print" | sort | while IFS= read -r file; do rel_path="${file#$src}" rel_path="${rel_path#/}" dir_rel=$(dirname "$rel_path") out_dir="$out/$dir_rel" case "${file##*/}" in template.html|site.conf|style.css|styles.css) continue ;; esac is_preserved=0 if [ -n "$(eval "find \"$file\" $ $PRESERVE_ARGS $ -print")" ]; then is_preserved=1 fi if [ "$single_file_index" = "true" ] && [ "${file%.md}" != "$file" ] && [ "$is_preserved" -eq 0 ] && [ ! -f "$(dirname "$file")/index.md" ]; then md_count=$(find "$(dirname "$file")" ! -name "$(basename "$(dirname "$file")")" -prune -name "*.md" | wc -l) [ "$md_count" -eq 1 ] && continue fi if [ "${file%.md}" != "$file" ] && [ "$is_preserved" -eq 0 ]; then out_file="$out/${rel_path%.md}.html" render_markdown "$file" > "$out_file" else cp "$file" "$out/$rel_path" fi done echo "Build complete."