first save up

Dockerfile

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+FROM lsiobase/alpine
+MAINTAINER sparklyballs
+
+# install packages
+RUN \
+ apk add --no-cache \
+	curl \
+	findutils \
+	git \
+	python
+
+# add local files
+COPY root/ /
+
+# ports and volumes
+VOLUME /backup /config

README.md

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+THIS IS NOT SOMETHING FOR PUBLIC USE
+
+YOU HAVE BEEN WARNED !!!!
+
+HERE BE DRAGONS
+

root/defaults/backup

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+21 02 * * * /bin/sh /defaults/script.sh
+ 

root/defaults/script.sh

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+#!/bin/bash
+
+# set variables
+unset FOLDER_DATE FOLDER_MAKE REPO_USER
+FOLDER_DATE=$(date '+%d-%b-%Y')
+FOLDER_MAKE="/backup/${FOLDER_DATE}"
+REPO_USER=""
+
+# delete folders older than 20 days
+for i in $(find /backup/ -maxdepth 1 -type d -mtime +20 -print); do echo -e "Deleting directory $i";rm -rf $i; done
+
+# make today's folder
+if [ -d "${FOLDER_MAKE}" ]; then
+rm -rf "${FOLDER_MAKE}"
+fi
+mkdir -p "${FOLDER_MAKE}" && touch "${FOLDER_MAKE}"
+
+# clone git repositories into todays folder
+cd "${FOLDER_MAKE}"
+curl -s "https://api.github.com/users/${REPO_USER}/repos?per_page=200" | python -c $'import json, sys, os\nfor repo in json.load(sys.stdin): os.system("git clone " + repo["clone_url"])'
+
+# permissions
+chown -R abc:abc "${FOLDER_MAKE}"

root/etc/cont-init.d/30-config

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+#!/usr/bin/with-contenv bash
+
+# copy cronjob to /config
+[[ ! -e /config/backup ]] && \
+cp /defaults/backup /config/backup
+
+# set user repo
+if [[ -z $USER_REPO ]]; then
+USER_REPO="linuxserver"
+fi
+
+sed -i "s/REPO_USER=\".*\"/REPO_USER=\"${USER_REPO}\"/g" /defaults/script.sh
+
+# set cron job
+crontab /config/backup
+
+# permissions
+chown -R abc:abc \
+	/config
+chown abc:abc \
+	/backup

root/etc/services.d/cron/run

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+#!/usr/bin/with-contenv bash
+
+/usr/sbin/crond -f -S -l 0 -c /etc/crontabs
+