1 files changed, 91 insertions, 0 deletions
diff --git a/scripts/01-patch.sh b/scripts/01-patch.sh
new file mode 100644
index 000000000..5b81bf559
--- /dev/null
+++ b/scripts/01-patch.sh
@@ -0,0 +1,91 @@
+# scripts/01-patches.sh
+
+Patch_chroot ()
+{
+	# Some maintainer scripts can detect if they are in a chrooted system.
+	# Therefore, we create the corresponding file.
+
+	case "${1}" in
+		apply)
+			# Create chroot file
+			echo "live" > "${LIFE_CHROOT}"/etc/debian_chroot
+			;;
+
+		deapply)
+			# Remove chroot file
+			rm -f "${LIVE_CHROOT}"/etc/debian_chroot
+			;;
+	esac
+}
+
+Patch_network ()
+{
+	# Packages which are manually installed inside the chroot are installed
+	# from the network. Therefore, we need to be able to resolv hosts.
+
+	case "${1}" in
+		apply)
+			# Save host lookup table
+			if [ -f "${LIVE_CHROOT}"/etc/hosts ]
+			then
+				cp "${LIVE_CHROOT}"/etc/hosts \
+					"${LIVE_CHROOT}"/etc/hosts.orig
+			fi
+
+			# Save resolver configuration
+			if [ -f "${LIVE_CHROOT}"/etc/resolv.conf ]
+			then
+				cp "${LIVE_CHROOT}"/etc/resolv.conf \
+					"${LIVE_CHROOT}"/etc/resolv.conf.orig
+			fi
+
+			# Copy host lookup table
+			if [ -f /etc/hosts ]
+			then
+				cp /etc/hosts "${LIVE_CHROOT}"/etc/hosts
+			fi
+
+			# Copy resolver configuration
+			if [ -f /etc/resolv.conf ]
+			then
+				cp /etc/resolv.conf \
+					"${LIVE_CHROOT}"/etc/resolv.conf
+			fi
+			;;
+
+		deapply)
+			# Restore host lookup table
+			if [ -f "${LIVE_CHROOT}"/etc/hosts.orig ]
+			then
+				mv "${LIVE_CHROOT}"/etc/hosts.orig \
+					"${LIVE_CHROOT}"/etc/hosts
+			fi
+
+			# Restore resolver configuration
+			if [ -f "${LIVE_CHROOT}"/etc/resolv.conf.orig ]
+			then
+				mv "${LIVE_CHROOT}"/etc/resolv.conf.orig \
+					"${LIVE_CHROOT}"/etc/resolv.conf
+			fi
+			;;
+	esac
+}
+
+Patch_linuximage ()
+{
+	# The linux-image package asks interactively for initial ramdisk
+	# creation. Therefore, we preconfigure /etc/kernel-img.conf.
+
+	case "${1}" in
+		apply)
+			# Write configuration option
+			echo "do_initrd = Yes"  >> \
+				"${LIVE_CHROOT}"/etc/kernel-img.conf
+			;;
+
+		deapply)
+			# Remove configuration file
+			rm -f "${LIVE_CHROOT}"/etc/kernel-img.conf
+			;;
+	esac
+}