main.sh

#!/bin/bash
set -u

# Static variables
SEARCH_LOCAL=1
SEARCH_REMOTE=2

## variables
EMAIL=""
USERNAME=""
NAME=""
GITHOOKS=1
QUIET=("-q")
SEARCH_TYPE=$SEARCH_LOCAL
declare -A LOCALPROJECTS=()
PROJECTINFOS=()
CHOSEN_CATEGORY=""

# display usage then exit with code 2
function usage() {
	cat "${TMPDIR}/usage.txt"
	error 2 $@
}

function parseParams() {
	ACTION=""
	if [ $# -gt 0 ]; then
		act="$(echo $1 | tr '[A-Z]' '[a-z]')"
	else
		act=""
	fi
	for action in sync config search; do
		if [ "$action" = "$act" ]; then
			ACTION="$action"
			break
		fi
	done
	if [  -z "$ACTION" ]; then
		usage "Unknown action: $act"
	fi
	shift
	CLONETYPE="clone_url"
	while getopts ":de:klrt:c:u:" opt; do
		case $opt in
		d)
			QUIET=""
			;;
		e)
			EMAIL="$OPTARG"
			USERNAME="unused"
			;;
		k)
			GITHOOKS=0
			;;
		l)
			SEARCH_TYPE=$SEARCH_LOCAL
			;;
		r)
			SEARCH_TYPE=$SEARCH_REMOTE
			;;
		t)
			case $(echo $OPTARG | tr '[A-Z]' '[a-z]') in
				git)
					CLONETYPE="git_url"
					;;
				ssh)
					CLONETYPE="ssh_url"
					;;
				http|https)
					CLONETYPE="clone_url"
					;;
				*)
					error 10 "$OPTARG is an invalid clone type"
			esac
			;;
		c)
			CHOSEN_CATEGORY="$OPTARG"
			;;
		u)
			NAME="$OPTARG"
			;;
		:)
			error 2 "The option -$OPTARG requires an argument"
			;;
		h)
			usage
			;;
		esac
	done
	return $OPTIND
}

# get the path that we want to clone
# param1: number of the last argument
# param2: all arguments
function getPath() {
	let number=$1+1
	shift $number
	BASEPATH="`pwd -P`"
	if [ $# -gt 0 ]; then
		if [ -n "$1" -a -d "$1" ]; then
			BASEPATH="$( cd "$1" && pwd -P)"
		fi
	fi
}

function getUserInfos() {
	while [ -z "${NAME}" ]; do
		read -p "Enter your first name and your last name : " NAME
	done
	while [ -z "${EMAIL}" -a -z "${USERNAME}" ]; do
		read -p "Enter your github's username : " USERNAME
	done
	for attempt in 1 2 3; do
		if [ -n "${EMAIL}" ]; then
			break
		fi
		awkProg='/"email"/ {mail=substr($2, 2, length($2)-3)} /"primary"/ {primary=substr($2, 1, length($2)-1)} /"verified"/ {if ($2 == "true," && primary == "true") print mail}'
		EMAIL="$(curl -s -u "$USERNAME" https://api.github.com/user/emails | awk "$awkProg")"
	done
	if [ -z "${EMAIL}" ]; then
		return 2
	fi
	return 0
}

function setUserInfos() {
	if [ -z "$1" -o ! -d "$1" ]; then
		return 3
	fi
	git --git-dir="$1/.git" --work-tree="$1" config user.email "${EMAIL}"
	git --git-dir="$1/.git" --work-tree="$1" config user.name "${NAME}"
	if [ $GITHOOKS -ne 0 ]; then
		# add custom hooks
		# add new hook in this list; may be better to list folder?
		# check if chmod if allowed with git bash on Windows
		for hook in "commit-msg" "prepare-commit-msg"; do
			cp "${TMPDIR}/hooks/${hook}" "${1}/.git/hooks/${hook}"
			chmod u+x "${1}/.git/hooks/${hook}"
		done
	fi
	return 0
}

source "${TMPDIR}/tools.sh"

## Starting scripts...
parseParams "$@"
nextParameter=$?
getPath $nextParameter "$@"
getLocalProjects
# set NAME and EMAIL with first already cloned repository if not set in command line
if [ -z "${NAME}" -a -z "${EMAIL}" -a ${#LOCALPROJECTS[@]} -gt 0 ]; then
	allkeys=(${!LOCALPROJECTS[@]})
	randomkey=${allkeys[0]}
	path="$(echo "${LOCALPROJECTS[$randomkey]}" | cut -d ';' -f 2)"
	NAME="$(git --git-dir="${path}/.git" --work-tree="${path}" config user.name)"
	EMAIL="$(git --git-dir="${path}/.git" --work-tree="${path}" config user.email)"
fi
source "${TMPDIR}/${ACTION}.sh"