Script (bash) to clone all repositories from a user or organization in GitHub.

gh-clone-org.sh

#!/usr/bin/env bash
#
# Clones all repositories in an organization using `gh` CLI.
#
# Author: Augusto Pascutti <augusto.hp+oss@gmail.com>
# License: MIT
# vim: ft=sh noet ts=2 sw=2:

APP_NAME="$(basename $0)"
APP_VERSION="1.0.0"

if [ -n "$DEBUG" ]
then
	set -x
fi

# Sanity checks ---------------------------------------------------------------

for dependency in gh awk sed
do
	command -v "$dependency" > /dev/null 2>&1 \
		|| { echo "Error: Missing $dependency." >&2; exit 42; }
done

# Program ---------------------------------------------------------------------


# Usage: display_help
display_help()
{
	cat <<-EOT
	Usage: $APP_NAME <owner>

	Clones all source repositories from "owner" (on GitHub) in the 
	current directory.
	EOT
}

# Example: gh_repos augustohp
# Usage: gh_repos <owner>
gh_repos()
{
	owner="$1"

	test -z "$owner" && { echo "Error: An owner must be specified." >&2; exit 10; }
	gh repo list --limit 200 --source --no-archived "$owner" | awk '{print $1 }'
}


# Example: gh_clone augustohp/warwick
# Usage: gh_clone <owner/repo>
gh_clone()
{
	repo="$1"
	dir="$(echo "$repo" | awk -F/ '{print $2}')"

	test -z "$repo" && { echo "Error: A repo (owner/repo-name) must be specified." >&2; exit 11; }
	if [ -d "$dir" ] 
	then
		echo "Warning: '$repo' already cloned." >&2
	else
		echo "Cloning '$repo'..."
		gh repo clone "$repo" 2>&1 | sed 's/^/  /' | grep -v "Cloning into"
	fi
}

# Usage: main <owner>
main()
{
	owner="$1"

	test -z "$owner" && { echo "Error: An owner must be specified." >&2; exit 10; }
	for repository in $(gh_repos "$owner")
	do
		gh_clone "$repository"
	done
}

while :;
do
	case "$1" in
		-h | --help)
			display_help
			exit 1
			;;
		-v | --version)
			echo "$APP_NAME $APP_VERSION"
			exit 2
			;;
		-?*)
			echo "Error: Unknown option '$1'." >&2
			exit 3
			;;
		*)
			break
			;;
	esac
done

main "$1"
exit 0