From 7c700481a6acef0e68d5f0b792152d71d8b875ea Mon Sep 17 00:00:00 2001
From: Daniel Baumann <mail@daniel-baumann.ch>
Date: Thu, 4 Aug 2016 15:45:42 +0200
Subject: Adding upstream version 20160801.

Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
---
 share/scripts/debconf                | 43 ++++++++++++++++++++++++++++++++++++
 share/scripts/debconf.d/0003-debconf |  7 ++++++
 2 files changed, 50 insertions(+)

(limited to 'share/scripts')

diff --git a/share/scripts/debconf b/share/scripts/debconf
index aa1c798..4c89e6f 100755
--- a/share/scripts/debconf
+++ b/share/scripts/debconf
@@ -909,6 +909,7 @@ Commands ()
 
 	sed -i -e "s|^cnt.auto=.*|cnt.auto=${CNT_AUTO}|" "${CONFIG}/${NAME}.conf"
 	sed -i -e "s|^cnt.network-bridge=.*|cnt.network-bridge=${HOST_INTERFACE_NAME}:${NETWORK0_BRIDGE:-br0}|g" "${CONFIG}/${NAME}.conf"
+	sed -i -e "s|^cnt.overlay=.*|cnt.overlay=${CNT_OVERLAY}|g" "${CONFIG}/${NAME}.conf"
 	sed -i -e "s|^bind=.*|bind=${BIND}|" "${CONFIG}/${NAME}.conf"
 	sed -i -e "s|^network-veth-extra=.*|network-veth-extra=${HOST_INTERFACE_NAME}:eth0|g" "${CONFIG}/${NAME}.conf"
 
@@ -1010,12 +1011,54 @@ then
 	done
 fi
 
+# Mounting overlay mounts
+if [ -n "${CNT_OVERLAY}" ]
+then
+	CNT_OVERLAYS="$(echo ${CNT_OVERLAY} | sed -e 's|;| |g')"
+
+	for CNT_OVERLAY in ${CNT_OVERLAYS}
+	do
+		DIRECTORY_LOWER="$(echo ${CNT_OVERLAY} | awk -F: '{ print $1 }')"
+		DIRECTORY_UPPER="$(echo ${CNT_OVERLAY} | awk -F: '{ print $2 }')"
+		DIRECTORY_WORK="$(echo ${CNT_OVERLAY} | awk -F: '{ print $3 }')"
+		DIRECTORY_MERGED="$(echo ${CNT_OVERLAY} | awk -F: '{ print $4 }')"
+
+		for DIRECTORY in "${DIRECTORY_LOWER}" "${DIRECTORY_UPPER}" "${DIRECTORY_WORK}" "${DIRECTORY_MERGED}"
+		do
+			mkdir -p "${DIRECTORY}"
+		done
+
+		mount -t overlay overlay-${NAME} -olowerdir="${DIRECTORY_LOWER}",upperdir="${DIRECTORY_UPPER}",workdir="${DIRECTORY_WORK}" "${DIRECTORY_MERGED}"
+	done
+fi
+
 Configure_system "${MACHINES}/${NAME}"
 Configure_network "${MACHINES}/${NAME}"
 Cleanup_system "${MACHINES}/${NAME}"
 
 Commands "${MACHINES}/${NAME}"
 
+# Unmounting overlay mounts
+if [ -n "${CNT_OVERLAY}" ]
+then
+	CNT_OVERLAYS="$(echo ${CNT_OVERLAY} | sed -e 's|;| |g')"
+
+	for CNT_OVERLAY in ${CNT_OVERLAYS}
+	do
+		DIRECTORY_LOWER="$(echo ${CNT_OVERLAY} | awk -F: '{ print $1 }')"
+		DIRECTORY_UPPER="$(echo ${CNT_OVERLAY} | awk -F: '{ print $2 }')"
+		DIRECTORY_WORK="$(echo ${CNT_OVERLAY} | awk -F: '{ print $3 }')"
+		DIRECTORY_MERGED="$(echo ${CNT_OVERLAY} | awk -F: '{ print $4 }')"
+
+		umount -f "${DIRECTORY_MERGED}"
+
+		for DIRECTORY in "${DIRECTORY_LOWER}" "${DIRECTORY_UPPER}" "${DIRECTORY_WORK}" "${DIRECTORY_MERGED}"
+		do
+			rmdir --ignore-fail-on-non-empty --parents ${DIRECTORY} > /dev/null 2>&1 || true
+		done
+	done
+fi
+
 # Unmounting bind mounts
 if [ -n "${BIND}" ]
 then
diff --git a/share/scripts/debconf.d/0003-debconf b/share/scripts/debconf.d/0003-debconf
index 15a6a15..548fb07 100755
--- a/share/scripts/debconf.d/0003-debconf
+++ b/share/scripts/debconf.d/0003-debconf
@@ -1063,6 +1063,13 @@ Internal_options ()
 	fi
 
 	echo "BIND=\"${BIND}\"" >> "${DEBCONF_TMPDIR}/debconf.default"
+
+	if db_get cnt-debconf/overlay
+	then
+		CNT_OVERLAY="${RET}" # string (w/ empty)
+	fi
+
+	echo "CNT_OVERLAY=\"${CNT_OVERLAY}\"" >> "${DEBCONF_TMPDIR}/debconf.default"
 }
 
 Distribution
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