Downloading All Github Repos of a Given User or Organization

gharchive.sh

#!/bin/bash


# gharchive is a simple script for downloading all 
# github repositories associated with a given user or organization
# 
# :dependencies: gh, awk, sed, wget, git
#
# :param: -u pass the user or organization name as it appears on github
# :param: -t pass the download type your wish to preform currently both "clone" and "archive" are supported
# 
# :returns: all files are downloaded or cloned into the current directory
# 

while getopts u:t: flag
do
    case "${flag}" in
        u) GH_USER=${OPTARG};;
        t) D_TYPE=${OPTARG};;
    esac
done

echo "Downloading Archives for Github User: $GH_USER";


# Github Archives can be retrieved at urls with the following form: 
#   https://github.com/<user>/<repo>/archive/refs/heads/master.zip
# 
# Github Repositories can be retrieved from urls with the following form
#   https://github.com/<user>/<repo>.git
# 

# Prefix for all download types is constant
PREFIX="https:\/\/github.com\/"


case $D_TYPE in
    clone)
        SUFFIX=".git"
        # get list of repos -> select first word from each output <user>/<repo> -> insert prefix -> insert suffix -> run git clone for each url
        gh repo list $GH_USER | awk -F" " '{ print $1 }' | sed -e "s/^/${PREFIX}/" | sed -e "s/$/${SUFFIX}/" | xargs -I {} git clone {}
        ;;
    archive)
        SUFFIX="\/archive\/refs\/heads\/master.zip"
        # get list of repos -> select first word from each output <user>/<repo> -> insert prefix -> insert suffix -> wget list of urls
        gh repo list $GH_USER | awk -F" " '{ print $1 }' | sed -e "s/^/${PREFIX}/" | sed -e "s/$/${SUFFIX}/" | xargs wget
        ;;
esac