encrypt
/
boh


			
				
					
						
						
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							#!/bin/sh

boh_help() {
    echo "Usage: boh COMMAND [options...]"
    echo "Transform your markdown documents into html"
    echo "Options:"
    echo "  -s, --source [DIR]        Source directory (defaults to ./)"
    echo "  -d, --destination [DIR]   Destination directory (defaults to ./_site)"
    echo "  -l, --layouts [DIR]       Layouts directory (defaults to ./_layouts)"
    echo "Commands:"
    echo "  build, b             Build your pages"
    echo "  serve, server, s     Serve your pages locally"
    echo "  new                  Creates boh basic stuff"
}

boh_new() {
    mkdir $destination_dir $layouts_dir
    cat <<EOF > "$layouts_dir"/default.html
<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <title>\$title</title>
  </head>
  <body>
      \$body
  </body>
</html>
EOF
}

boh_serve() {
    cd $destination_dir
    python2 -m SimpleHTTPServer
}

boh_check() {
    if [ ! -d $layouts_dir ];then
	>&2 echo "'$layouts_dir' directory not found. Maybe you should 'boh new'"
	exit 1
    fi
    type markdown &> /dev/null || {
	>&2 echo "'markdown' is not installed"
	exit 1
    }
    type envsubst &> /dev/null || {
	>&2 echo "'envsubst' is not installed, install 'gettext' package"
	exit 1
    }
}

# Parse the yaml frontmatter and returns a string ready for eval
# First sed extract the frontmatter
# Second sed removes frontmatter's delimiter
# Third sed transform yaml in shell evaluable code (lol: asd -> lol="asd")
# Kudos to stackoverflow users for this magic

parse_frontmatter(){
    frontmatter=`cat $1 | sed -n '1{/^---/{:a N;/\n---/!ba;p}}' | sed '1d;$d' | sed -e 's/:[^:\/\/]/="/g;s/$/"/g;s/ *=/=/g'`
    echo $frontmatter
}

boh_build() {
    echo "Building all the things..."
    rm -rf $destination_dir
    mkdir $destination_dir
    type boh_pre_build &> /dev/null && { boh_pre_build; }
    # extra "/" is used to increment the final count by 1
    cut_at=`echo "/"$source_dir | fold -w 1 | grep -c /`
    for file in `find $source_dir -type f -name "*.md"`; do
	layout="default"
	title=`echo $file | rev | cut -d / -f 1 | rev | sed s/.md//`
	# sed removes the yaml frontmatter
	body=`cat $file | sed '1{/^---/{:a N;/\n---/!ba;d}}' | markdown`
	newpath="$destination_dir/"`echo $file | rev | cut -d . -f 2 | rev | cut -d / -f $cut_at-`".html"
	frontmatter=`parse_frontmatter $file`
	if [ "$frontmatter" ];then
	    eval $frontmatter
	fi
	mkdir -p "${newpath%/*}"
	export title body
	envsubst < "$layouts_dir/$layout.html" > "$newpath"
	unset title body
    done
    type boh_post_build &> /dev/null && { boh_post_build; }
    echo "Yay!"
}

## defaults
source_dir="./"
destination_dir="./_site"
layouts_dir="./_layouts"

command=$1
shift
for arg in "$@"
do
    case $arg in
	-s=*|--source=*)
	    source_dir="${arg#*=}"
	    source_dir="`eval echo ${source_dir//>}`"
	    shift
	    ;;
	-d=*|--destination=*)
	    destination_dir="${arg#*=}"
	    destination_dir="`eval echo ${destination_dir//>}`"
	    shift
	    ;;
	-l=*|--layouts=*)
	    layouts_dir="${arg#*=}"
	    layouts_dir="`eval echo ${layouts_dir//>}`"
	    shift
	    ;;
	*)
	    ;;
    esac
done

case $command in
    "build"|"b")
	boh_check
	if [ -f $source_dir"/boh.config" ];then
	    source $source_dir"/boh.config"
	fi
	boh_build
	;;
    "new")
	boh_new
	;;
    "serve"|"server"|"s")
	boh_serve
	;;
    *)
	boh_help
	;;
esac