pullrepos

#!/usr/bin/env bash

#######################################################################
# Made by    : Ewoud Dronkert
# Licence    : GNU GPL v3
# Platform   : macOS, Linux, WSL
# Requires   : bash, git, curl, cut, sed, xargs
# Location   : ~/bin/
# Name       : pullrepos
# Version    : 1.0.2
# Date       : 2021-03-01
# Purpose    : Update GitHub repositories. Clone if not found locally.
# Parameters : none
# Settings   : GITPAT = GitHub personal access token with read access
#              to the user and all their repos, set as environment var.
#              Create yours at: https://github.com/settings/tokens
#            : BASE = local directory where all repos are saved.
# Exit     0 : No errors
#          1 : GITPAT environment variable not set
#          2 : Local git directory not found
#######################################################################

if [ -z "$GITPAT" ]; then
	echo "GitHub personal access token not set." >&2
	echo "Get it at https://github.com/settings/tokens and" >&2
	echo "set in ~/.profile: export GITPAT=tokengoeshere" >&2
	exit 1
fi

BASE=~/git
if [ ! -e "$BASE" -o  ! -d "$BASE" -o  ! -r "$BASE" -o  ! -w "$BASE" -o ! -x "$BASE" ]; then
	echo "Local git directory not found or not accessible: $BASE" >&2
	exit 2
fi

echo "Git directory  : $BASE"

LOGIN=$(curl -s -H "Authorization: bearer $GITPAT" -X POST -d "{\"query\":\"{viewer{login}}\"}" https://api.github.com/graphql | cut -d'"' -f8)
PROFILE="https://github.com/$LOGIN"
CLONE="https://${GITPAT}@github.com/$LOGIN"
REPOS=$(curl -s -H "Authorization: bearer $GITPAT" -X POST -d "{\"query\":\"{viewer{repositories(first:100,orderBy:{field:NAME,direction:ASC}){nodes{name}}}}\"}" https://api.github.com/graphql | cut -d'[' -f2 | sed 'y/,/\n/' | cut -d'"' -f4 | xargs)

echo "GitHub profile : $PROFILE"
echo "Repositories   : $REPOS"
echo

read -p "Update or clone all repositories? (Y)es (N)o " -n 1 -r
echo
if [[ ! "$REPLY" =~ ^[yYjJ]$ ]]; then
	echo 'Bye.'
	exit 0
fi
echo

cd "$BASE"
for repo in $REPOS; do
	echo "##### $repo #####"
	if [ -e "$repo" ]; then
		if [ -d "$repo" -a -r "$repo" -a -w "$repo" -a -x "$repo" ]; then
			if [ -d "${repo}/.git" ]; then
				cd "$repo"
				# git remote -v update -p
				git pull -v --all --stat
				cd ..
			else
				echo "Not a git repository: ${BASE}/${repo}" >&2
			fi
		else
			echo "Not a directory or not accessible: ${BASE}/${repo}" >&2
		fi
	else
		git clone "${CLONE}/${repo}.git"
	fi
	echo
done
exit 0