Backup script for my public & private repo's

backup-repos.sh

#!/bin/sh
# Aa script to backup Github repositories to local 
# Based on a script by Rong Zhuang:
# https://github.com/jojozhuang
# https://jojozhuang.github.io/tutorial/backup-github-repositories-to-synology-nas/
 
# The local path where the download repo's should be saved
BACKUP_PATH="/volume1/github"
 
# GitHub API URL
URL_REPOS="https://api.github.com/user/repos?type=owner&per_page=100&page="
 
# (Required) GitHub Personal Access Token
# Ensure full `repo` scope access @ https://github.com/settings/tokens
OAUTH_TOKEN=""

# Total repo count
COUNT=0
 
# Create backup directory
DIR_NAME="repos"
mkdir "${BACKUP_PATH}/${DIR_NAME}" -p
echo "Create backup directory: ${BACKUP_PATH}/${DIR_NAME}"
 
fetch_fromUrl() {
  PAGE=1
  while true
  do
    URL_REPO_PAGE="$URL_REPOS$PAGE"
    echo "Fetching all repositories from ${URL_REPO_PAGE}"
    REPOS=`curl -H "Authorization: token ${OAUTH_TOKEN}" -s "${URL_REPO_PAGE}" | jq -r '.[] | "\(.name),\(.full_name),\(.private),\(.html_url),\(.default_branch)"'`
        
    if [ ${#REPOS} -le 0 ]; then 
    break
    fi

    ((PAGE++))

    for REPO in $REPOS
    do
        let COUNT++
        REPONAME=`echo ${REPO} | cut -d ',' -f1`
        REPOFULLNAME=`echo ${REPO} | cut -d ',' -f2`
        PRIVATEFLAG=`echo ${REPO} | cut -d ',' -f3`
        ARCHIVEURL=`echo ${REPO} | cut -d ',' -f4`
        DEFAULTBRANCH=`echo ${REPO} | cut -d ',' -f5`
        ARCHIVEURL="${ARCHIVEURL}/archive/${DEFAULTBRANCH}.zip"
        FILEPATH="${BACKUP_PATH}/${DIR_NAME}/${REPONAME}.zip"
        echo ${ARCHIVEURL}
        curl -H "Authorization: token ${OAUTH_TOKEN}" -L ${ARCHIVEURL} > ${FILEPATH}
        echo "Saved to ${FILEPATH}"
    done
  done
  echo "Page count: $((PAGE-1))"
}
 
fetch_fromUrl
echo "$((COUNT)) repositories updated"