web/_scripts/sh/create_pages.sh
2020-05-02 18:26:57 +08:00

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#!/usr/local/bin/bash
#
# Create HTML pages for Categories and Tags in posts.
#
# Usage:
# Call from the '_posts' sibling directory.
#
# v2.2
# https://github.com/cotes2020/jekyll-theme-chirpy
# © 2020 Cotes Chung
# Published under MIT License
set -eu
TYPE_CATEGORY=0
TYPE_TAG=1
category_count=0
tag_count=0
_read_yaml() {
local _endline=$(grep -n "\-\-\-" $1 | cut -d: -f 1 | sed -n '2p')
head -$_endline $1
}
read_categories() {
local _yaml=$(_read_yaml $1)
local _categories=$(echo "$_yaml" | grep "^categories:")
local _category=$(echo "$_yaml" | grep "^category:")
if [[ ! -z "$_categories" ]]; then
echo "$_categories" | sed "s/categories: *//;s/\[//;s/\]//;s/, */,/g;s/\"//g;s/'//g"
elif [[ ! -z "_category" ]]; then
echo "$_category" | sed "s/category: *//;s/\[//;s/\]//;s/, */,/g;s/\"//g;s/'//g"
fi
}
read_tags() {
local _yaml=$(_read_yaml $1)
echo "$_yaml" | grep "^tags:" | sed "s/tags: *//;s/\[//;s/\]//;s/, */,/g;s/\"//g;s/'//g"
}
init() {
if [[ -d categories ]]; then
rm -rf categories
fi
if [[ -d tags ]]; then
rm -rf tags
fi
mkdir categories tags
}
create_category() {
local _name=$1
local _filepath="categories/$(echo $_name | sed 's/ /-/g' | awk '{print tolower($0)}').html"
if [[ ! -f $_filepath ]]; then
echo "---" > $_filepath
echo "layout: category" >> $_filepath
echo "title: $_name" >> $_filepath
echo "category: $_name" >> $_filepath
echo "---" >> $_filepath
((category_count=category_count+1))
fi
}
create_tag() {
local _name=$1
local _filepath="tags/$( echo $_name | sed "s/ /-/g;s/'//g" | awk '{print tolower($0)}' ).html"
if [[ ! -f $_filepath ]]; then
echo "---" > $_filepath
echo "layout: tag" >> $_filepath
echo "title: $_name" >> $_filepath
echo "tag: $_name" >> $_filepath
echo "---" >> $_filepath
((tag_count=tag_count+1))
fi
}
#########################################
# Create HTML pages for Categories/Tags.
# Arguments:
# $1 - an array string
# $2 - type specified option
#########################################
create_pages() {
if [[ $1 == '' ]]; then
exit 0
fi
# split string to array
IFS_BAK=$IFS
IFS=','
local _string=$1
case $2 in
$TYPE_CATEGORY)
for i in ${_string#,}; do
create_category $i
done
;;
$TYPE_TAG)
for i in ${_string#,}; do
create_tag $i
done
;;
*)
;;
esac
IFS=$IFS_BAK
}
main() {
init
for _file in $(ls "_posts")
do
local _path="_posts/$_file"
local _categories=$(read_categories "$_path")
local _tags=$(read_tags "$_path")
create_pages "$_categories" $TYPE_CATEGORY
create_pages "$_tags" $TYPE_TAG
done
if [[ $category_count -gt 0 ]]; then
echo "[INFO] Succeed! $category_count category-pages created."
fi
if [[ $tag_count -gt 0 ]]; then
echo "[INFO] Succeed! $tag_count tag-pages created."
fi
}
main