web/tools/run.sh

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#!/bin/bash
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# Run jekyll site at http://127.0.0.1:4000
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#
# Requirement:
# Option '-r, --realtime' needs fswatch http://emcrisostomo.github.io/fswatch/
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#
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# v2.0
# https://github.com/cotes2020/jekyll-theme-chirpy
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# © 2019 Cotes Chung
# Published under MIT License
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set -eu
WORK_DIR="$(dirname "$(dirname "$(realpath "$0")")")"
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CONTAINER=.container
SYNC_TOOL=_scripts/sh/sync_monitor.sh
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cmd="bundle exec jekyll s -l"
realtime=false
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docker=false
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_help() {
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echo "Usage:"
echo
echo " bash run.sh [options]"
echo
echo "Options:"
echo " -H, --host <HOST> Host to bind to"
echo " -P, --port <PORT> Port to listen on"
echo " -b, --baseurl <URL> The site relative url that start with slash, e.g. '/project'"
echo " -h, --help Print the help information"
echo " -t, --trace Show the full backtrace when an error occurs"
echo " -r, --realtime Make the modified content updated in real time"
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echo " --docker Run within docker"
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}
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_cleanup() {
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if [[ -d _site || -d .jekyll-cache ]]; then
jekyll clean
fi
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rm -rf "${WORK_DIR}/${CONTAINER}"
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ps aux | grep fswatch | awk '{print $2}' | xargs kill -9 > /dev/null 2>&1
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}
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_init() {
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if [[ -f Gemfile.lock ]]; then
rm -f Gemfile.lock
fi
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if [[ -d "${WORK_DIR}/${CONTAINER}" ]]; then
rm -rf "${WORK_DIR}/${CONTAINER}"
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fi
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temp="$(mktemp -d)"
cp -r "$WORK_DIR"/* "$temp"
cp -r "${WORK_DIR}/.git" "$temp"
mv "$temp" "${WORK_DIR}/${CONTAINER}"
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trap _cleanup INT
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}
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_check_unset() {
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if [[ -z ${1:+unset} ]]; then
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_help
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exit 1
fi
}
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_check_command() {
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if [[ -z $(command -v "$1") ]]; then
echo "Error: command '$1' not found !"
echo "Hint: Get '$1' on <$2>"
exit 1
fi
}
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_install_tools() {
# docker image `jekyll/jekyll` based on Apline Linux
echo "http://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories
apk update
apk add yq
}
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main() {
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_init
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if $docker; then
_install_tools
fi
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cd "${WORK_DIR}/${CONTAINER}"
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bash _scripts/sh/create_pages.sh
bash _scripts/sh/dump_lastmod.sh
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if $realtime; then
exclude_regex="\/\..*"
if [[ $OSTYPE == "darwin"* ]]; then
exclude_regex="/\..*" # darwin gcc treat regex '/' as character '/'
fi
fswatch -e "$exclude_regex" -0 -r \
--event Created --event Removed \
--event Updated --event Renamed \
--event MovedFrom --event MovedTo \
"$WORK_DIR" | xargs -0 -I {} bash "./${SYNC_TOOL}" {} "$WORK_DIR" . &
fi
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if ! $docker; then
cmd+=" -o"
else
cmd+=" -H 0.0.0.0"
fi
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echo "\$ $cmd"
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eval "$cmd"
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}
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while (($#)); do
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opt="$1"
case $opt in
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-H | --host)
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_check_unset "$2"
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cmd+=" -H $2"
shift # past argument
shift # past value
;;
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-P | --port)
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_check_unset "$2"
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cmd+=" -P $2"
shift
shift
;;
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-b | --baseurl)
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_check_unset "$2"
if [[ $2 == \/* ]]; then
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cmd+=" -b $2"
else
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_help
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exit 1
fi
shift
shift
;;
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-t | --trace)
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cmd+=" -t"
shift
;;
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-r | --realtime)
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_check_command fswatch "http://emcrisostomo.github.io/fswatch/"
realtime=true
shift
;;
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--docker)
docker=true
shift
;;
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-h | --help)
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_help
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exit 0
;;
*)
# unknown option
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_help
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exit 1
;;
esac
done
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main