Script which downloads all repos of a github organization.

backup-github.sh

#!/bin/sh

#usage:
#chmod +x backup-github.sh
#./backup-github.sh organization_name
orgName=$1

if [ "$#" -eq "0" ]; then
    echo No argument given. Please add the name of the organization as argument.
    exit 2
fi

dirname="$orgName-github-backup-$(date "+%Y-%m-%d-%H-%M-%S")"
mkdir "$dirname"
cd $dirname

curl -H "Accept: application/vnd.github.nebula-preview+json" \
    "https://api.github.com/orgs/$orgName/repos?type=all&per_page=100" \
    | jq -r '.[] | .name' \
    | while IFS= read projectName; do
        curl -H "Accept: application/vnd.github.v3.raw" -L \
        "https://api.github.com/repos/$orgName/$projectName/zipball" --output $projectName.zip
     done

if [ -n "$(ls -A "$(pwd)" 2>/dev/null)" ]
then
    echo Done! All files downloaded here: $(pwd);
else
    echo Something went wrong. Please check the spelling of the organization or your internet connection.
fi