live-debconfig 4.0~alpha31-1 / lib / live / debconfig / 0910-git

#!/bin/sh

## live-debconfig(7) - System Configuration Components
## Copyright (C) 2006-2013 Daniel Baumann <mail@daniel-baumann.ch>
##
## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
## This is free software, and you are welcome to redistribute it
## under certain conditions; see COPYING for details.


set -e

DEBCONF_SYSTEMRC="/var/lib/live/debconfig/systemrc"
export DEBCONF_SYSTEMRC

. /usr/share/debconf/confmodule

## single repository (interactive)

# repository url
db_get live-debconfig/git/repository-url
_REPOSITORY_URL="${RET}" # string (w/ empty)

db_set live-debconfig/git/repository-url "${_REPOSITORY_URL}"
db_fset live-debconfig/git/repository-url seen false

db_settitle live-debconfig/title
db_input high live-debconfig/git/repository-url || true
db_go

db_get live-debconfig/git/repository-url
_REPOSITORY_URL="${RET}" # string (w/ empty)

if [ -n "${_REPOSITORY_URL}" ]
then
	# repository directory
	db_get live-debconfig/git/repository-directory
	_REPOSITORY_DIRECTORY="${RET}" # string (w/ empty)

	db_set live-debconfig/git/repository-directory "${_REPOSITORY_DIRECTORY}"
	db_fset live-debconfig/git/repository-directory seen false

	db_settitle live-debconfig/title
	db_input high live-debconfig/git/repository-directory || true
	db_go

	db_get live-debconfig/git/repository-directory
	_REPOSITORY_DIRECTORY="${RET}" # string (w/ empty)

	# repository uid
	db_get live-debconfig/git/repository-uid
	_REPOSITORY_UID="${RET}" # string (w/ empty)

	db_set live-debconfig/git/repository-uid "${_REPOSITORY_UID}"
	db_fset live-debconfig/git/repository-uid seen false

	db_settitle live-debconfig/title
	db_input low live-debconfig/git/repository-uid || true
	db_go

	db_get live-debconfig/git/repository-uid
	_REPOSITORY_UID="${RET}" # string (w/ empty)

	# repository gid
	db_get live-debconfig/git/repository-gid
	_REPOSITORY_GID="${RET}" # string (w/ empty)

	db_set live-debconfig/git/repository-gid "${_REPOSITORY_GID}"
	db_fset live-debconfig/git/repository-gid seen false

	db_settitle live-debconfig/title
	db_input low live-debconfig/git/repository-gid || true
	db_go

	db_get live-debconfig/git/repository-gid
	_REPOSITORY_GID="${RET}" # string (w/ empty)

	# repository permission
	db_get live-debconfig/git/repository-permission
	_REPOSITORY_PERMISSION="${RET}" # string (w/ empty)

	db_set live-debconfig/git/repository-permission "${_REPOSITORY_PERMISSION}"
	db_fset live-debconfig/git/repository-permission seen false

	db_settitle live-debconfig/title
	db_input low live-debconfig/git/repository-permission || true
	db_go

	db_get live-debconfig/git/repository-permission
	_REPOSITORY_PERMISSION="${RET}" # string (w/ empty)

	# repository command
	db_get live-debconfig/git/repository-command
	_REPOSITORY_COMMAND="${RET}" # string (w/ empty)

	db_set live-debconfig/git/repository-command "${_REPOSITORY_COMMAND}"
	db_fset live-debconfig/git/repository-command seen false

	db_settitle live-debconfig/title
	db_input low live-debconfig/git/repository-command || true
	db_go

	db_get live-debconfig/git/repository-command
	_REPOSITORY_COMMAND="${RET}" # string (w/ empty)
fi

## multiple repository (non-interactive)

_NUMBER="0"

while db_get live-debconfig/git/repository${_NUMBER}-url && [ "${RET}" ]
do
	# repository urls
	if db_get live-debconfig/git/repository${_NUMBER}-url
	then
		eval _REPOSITORY${_NUMBER}_URL="\"${RET}\"" # string (w/ empty)

		db_fset live-debconfig/git/repository${_NUMBER}-url seen false
		db_set live-debconfig/git/repository${_NUMBER}-url ""
	fi

	# repository directorys
	if db_get live-debconfig/git/repository${_NUMBER}-directory
	then
		eval _REPOSITORY${_NUMBER}_DIRECTORY="\"${RET}\"" # string (w/ empty)

		db_fset live-debconfig/git/repository${_NUMBER}-directory seen false
		db_set live-debconfig/git/repository${_NUMBER}-directory ""
	fi

	# repository uids
	if db_get live-debconfig/git/repository${_NUMBER}-uid
	then
		eval _REPOSITORY${_NUMBER}_UID="\"${RET}\"" # string (w/ empty)

		db_fset live-debconfig/git/repository${_NUMBER}-uid seen false
		db_set live-debconfig/git/repository${_NUMBER}-uid ""
	fi

	# repository gids
	if db_get live-debconfig/git/repository${_NUMBER}-gid
	then
		eval _REPOSITORY${_NUMBER}_GID="\"${RET}\"" # string (w/ empty)

		db_fset live-debconfig/git/repository${_NUMBER}-gid seen false
		db_set live-debconfig/git/repository${_NUMBER}-gid ""
	fi

	# repository permission
	if db_get live-debconfig/git/repository${_NUMBER}-permission
	then
		eval _REPOSITORY${_NUMBER}_PERMISSION="\"${RET}\"" # string (w/ empty)

		db_fset live-debconfig/git/repository${_NUMBER}-permission seen false
		db_set live-debconfig/git/repository${_NUMBER}-permission ""
	fi

	# repository commands
	if db_get live-debconfig/git/repository${_NUMBER}-command
	then
		eval _REPOSITORY${_NUMBER}_COMMAND="\"${RET}\"" # string (w/ empty)

		db_fset live-debconfig/git/repository${_NUMBER}-command seen false
		db_set live-debconfig/git/repository${_NUMBER}-command ""
	fi

	_NUMBER="$((${_NUMBER} + 1))"
done

_REPOSITORY_NUMBERS="${_NUMBER}"

db_stop

## checkout single repository

if [ -n "${_REPOSITORY_URL}" ] && [ -n "${_REPOSITORY_DIRECTORY}" ]
then
	_REPOSITORY_PARENT_DIRECTORY="$(dirname ${_REPOSITORY_DIRECTORY})"

	rmdir "${_REPOSITORY_DIRECTORY}" > /dev/null 2>&1 || true

	if [ ! -e "${_REPOSITORY_DIRECTORY}" ]
	then
		mkdir -p "${_REPOSITORY_DIRECTORY}"

		cd "${_REPOSITORY_PARENT_DIRECTORY}"
		git clone "${_REPOSITORY_URL}" "$(basename ${_REPOSITORY_DIRECTORY})"

		if [ -n "${_REPOSITORY_UID}" ]
		then
			_REPOSITORY_GID="${_REPOSITORY_GID:-${_REPOSITORY_UID}}"

			if getent passwd "${_REPOSITORY_UID}" > /dev/null 2>&1 && \
			   getent groups "${_REPOSITORY_GID}" > /dev/null 2>&1
			then
				chown ${_REPOSITORY_UID}:${_REPOSITORY_GID} ${_REPOSITORY_DIRECTORY} -R
			fi
		fi

		if [ -n "${_REPOSITORY_PERMISSION}" ]
		then
			chmod "${_REPOSITORY_PERMISSION}" "${_REPOSITORY_DIRECTORY}"
		fi

		if [ -n "${_REPOSITORY_COMMAND}" ]
		then
			cd "${_REPOSITORY_DIRECTORY}"
			${_REPOSITORY_COMMAND}
		fi
	else
		echo "I: Skipping ${_REPOSITORY_URL}, ${_REPOSITORY_DIRECTORY} already exists and is non-empty."
	fi
fi

## checkout multiple repositories

for _NUMBER in $(seq 0 ${_REPOSITORY_NUMBERS})
do
	eval _URL="$`echo _REPOSITORY${_NUMBER}_URL`"
	eval _DIRECTORY="$`echo _REPOSITORY${_NUMBER}_DIRECTORY`"
	eval _UID="$`echo _REPOSITORY${_NUMBER}_UID`"
	eval _GID="$`echo _REPOSITORY${_NUMBER}_GID`"
	eval _PERMISSION="$`echo _REPOSITORY${_NUMBER}_PERMISSION`"
	eval _COMMAND="$`echo _REPOSITORY${_NUMBER}_COMMAND`"

	if [ -z "${_URL}" ]
	then
		continue
	fi

	if [ -n "${_DIRECTORY}" ]
	then
		_PARENT_DIRECTORY="$(dirname ${_DIRECTORY})"

		rmdir "${_DIRECTORY}" > /dev/null 2>&1 || true

		if [ ! -e "${_DIRECTORY}" ]
		then
			mkdir -p "${_DIRECTORY}"

			cd "${_PARENT_DIRECTORY}"
			git clone "${_URL}" "$(basename ${_DIRECTORY})"

			if [ -n "${_UID}" ]
			then
				_GID="${_GID:-${_UID}}"

				if getent passwd "${_UID}" > /dev/null 2>&1 && \
				   getent groups "${_GID}" > /dev/null 2>&1
				then
					chown ${_UID}:${_GID} ${_DIRECTORY} -R
				fi
			fi

			if [ -n "${_PERMISSION}" ]
			then
				chmod "${_PERMISSION}" "${_DIRECTORY}"
			fi

			if [ -n "${_COMMAND}" ]
			then
				cd "${_DIRECTORY}"
				${_COMMAND}
			fi
		fi
	else
		echo "I: Skipping ${_URL}, ${_DIRECTORY} already exists and is non-empty."
	fi
done