Adding live-helper 1.0~a21-1.

1 files changed, 81 insertions, 0 deletions

diff --git a/functions/packages.sh b/functions/packages.sh
new file mode 100755
index 000000000..049c89b8d
--- /dev/null
+++ b/functions/packages.sh
@@ -0,0 +1,81 @@
+#!/bin/sh
+
+# packages.sh - handle packages installation
+# Copyright (C) 2006-2007 Daniel Baumann <daniel@debian.org>
+#
+# live-helper 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
+
+Check_package ()
+{
+	FILE="${1}"
+	PACKAGE="${2}"
+
+	case "${LIVE_CHROOT_BUILD}" in
+		enabled)
+			for ITEM in ${PACKAGE}
+			do
+				if ! `Chroot "dpkg-query -s ${ITEM}"`
+				then
+					PACKAGES="${PACKAGES} ${ITEM}"
+				fi
+			done
+			;;
+
+		disabled)
+			if `which dpkg-query`
+			then
+				for ITEM in ${PACKAGE}
+				do
+					if ! `dpkg-query -s ${ITEM}`
+					then
+						PACKAGES="${PACKAGES} ${ITEM}"
+					fi
+				done
+			else
+				FILE="`echo ${FILE} | sed -e 's/chroot//'`"
+
+				if [ ! -f "${FILE}" ] && [ ! -d "${FILE}" ]
+				then
+					Echo_error "You need to install ${PACKAGE} on your host system."
+					exit 1
+				fi
+			fi
+			;;
+	esac
+}
+
+Install_package ()
+{
+	if [ -n "${PACKAGES}" ] && [ "${LIVE_CHROOT_BUILD}" != "disabled" ]
+	then
+		case "${LH_APT}" in
+			apt|apt-get)
+				Chroot "apt-get install --yes ${PACKAGES}"
+				;;
+
+			aptitude)
+				Chroot "aptitude install --assume-yes ${PACKAGES}"
+				;;
+		esac
+	fi
+}
+
+Remove_package ()
+{
+	if [ -n "${PACKAGES}" ] && [ "${LIVE_CHROOT_BUILD}" != "disabled" ]
+	then
+		case "${LH_APT}" in
+			apt|apt-get)
+				Chroot "apt-get remove --purge --yes ${PACKAGES}"
+				;;
+
+			aptitude)
+				Chroot "aptitude purge --assume-yes ${PACKAGES}"
+				;;
+		esac
+	fi
+}