From 82d4de5cc9dee43c54b23c8dee6bb6b2d31ee88e Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Thu, 31 Jan 2013 10:23:27 +0100
Subject: [PATCH] Add gluon-core package

This is the most basic core of the Gluon framework. Most upgrade scripts will
have to be rewritten and/or moved to other packages.
---
 gluon/gluon-core/Makefile                     | 35 ++++++++++
 .../files/etc/uci-defaults/zzz-gluon-upgrade  | 69 +++++++++++++++++++
 .../core/0.3.1/010-freifunk-migrate-config    | 16 +++++
 .../core/0.3.1/011-freifunk-disable-services  |  4 ++
 .../core/0.3.1/012-freifunk-migrate-network   | 18 +++++
 .../0.3.1/013-freifunk-migrate-batman-adv     | 17 +++++
 .../gluon/upgrade/core/0.3.1/020-lff-wireless |  6 ++
 .../gluon/upgrade/core/0.3.1/021-lff-fastd    |  9 +++
 .../0.3.2/010-freifunk-migrate-batman-adv     |  5 ++
 .../core/0.3.2/011-update-avahi-daemon-conf   |  6 ++
 .../core/0.3.2/020-lff-migrate-mesh-vpn       | 33 +++++++++
 .../upgrade/core/0.3.2/021-lff-migrate-peers  | 11 +++
 .../0.3.3/010-freifunk-migrate-batman-adv     | 38 ++++++++++
 .../upgrade/core/initial/010-freifunk-system  | 40 +++++++++++
 .../upgrade/core/initial/011-freifunk-network | 64 +++++++++++++++++
 .../initial/012-freifunk-disable-services     |  5 ++
 .../upgrade/core/initial/020-lff-wireless     | 25 +++++++
 .../gluon-core/files/lib/upgrade/keep.d/gluon |  1 +
 18 files changed, 402 insertions(+)
 create mode 100644 gluon/gluon-core/Makefile
 create mode 100755 gluon/gluon-core/files/etc/uci-defaults/zzz-gluon-upgrade
 create mode 100755 gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/010-freifunk-migrate-config
 create mode 100755 gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/011-freifunk-disable-services
 create mode 100755 gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/012-freifunk-migrate-network
 create mode 100755 gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/013-freifunk-migrate-batman-adv
 create mode 100755 gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/020-lff-wireless
 create mode 100755 gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/021-lff-fastd
 create mode 100755 gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.2/010-freifunk-migrate-batman-adv
 create mode 100755 gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.2/011-update-avahi-daemon-conf
 create mode 100755 gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.2/020-lff-migrate-mesh-vpn
 create mode 100755 gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.2/021-lff-migrate-peers
 create mode 100755 gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.3/010-freifunk-migrate-batman-adv
 create mode 100755 gluon/gluon-core/files/lib/gluon/upgrade/core/initial/010-freifunk-system
 create mode 100755 gluon/gluon-core/files/lib/gluon/upgrade/core/initial/011-freifunk-network
 create mode 100755 gluon/gluon-core/files/lib/gluon/upgrade/core/initial/012-freifunk-disable-services
 create mode 100755 gluon/gluon-core/files/lib/gluon/upgrade/core/initial/020-lff-wireless
 create mode 100644 gluon/gluon-core/files/lib/upgrade/keep.d/gluon

diff --git a/gluon/gluon-core/Makefile b/gluon/gluon-core/Makefile
new file mode 100644
index 0000000..7303498
--- /dev/null
+++ b/gluon/gluon-core/Makefile
@@ -0,0 +1,35 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=gluon-core
+PKG_VERSION:=0.3.2.99
+PKG_RELEASE:=1
+
+PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/gluon-core
+  SECTION:=gluon
+  CATEGORY:=Gluon
+  TITLE:=Base files of Gluon
+endef
+
+define Package/gluon-core/description
+	The core of the Gluon community wifi mesh firmware framework
+endef
+
+define Build/Prepare
+	mkdir -p $(PKG_BUILD_DIR)
+endef
+
+define Build/Configure
+endef
+
+define Build/Compile
+endef
+
+define Package/gluon-core/install
+	$(CP) ./files/* $(1)/
+endef
+
+$(eval $(call BuildPackage,gluon-core))
diff --git a/gluon/gluon-core/files/etc/uci-defaults/zzz-gluon-upgrade b/gluon/gluon-core/files/etc/uci-defaults/zzz-gluon-upgrade
new file mode 100755
index 0000000..3b9fc07
--- /dev/null
+++ b/gluon/gluon-core/files/etc/uci-defaults/zzz-gluon-upgrade
@@ -0,0 +1,69 @@
+#!/bin/sh
+
+
+UPGRADE_DIR=/lib/gluon/upgrade
+VERSION_DIR=/lib/gluon/version
+
+
+version_of() {
+	opkg status "gluon-$1" | grep '^Version: ' | cut -d' ' -f 2
+}
+
+oldversion_of() {
+	oldversion="$(cat "$VERSION_DIR"/"$1" 2>/dev/null)"
+
+	# Legacy support
+	if [ -z "$oldversion" ]; then oldversion="$(cat /etc/.freifunk_version_keep 2>/dev/null)"; fi
+	if [ -z "$oldversion" ]; then oldversion="$(cat /etc/.lff_version_keep 2>/dev/null)"; fi
+	if [ -z "$oldversion" ]; then oldversion="$(cat /etc/.kff_version_keep 2>/dev/null)"; fi
+
+	echo "$oldversion"
+}
+
+do_dir() {
+	if [ -d "$1" ]; then
+		local s
+		for s in "$1"/*; do "$s"; done
+	fi
+}
+
+
+version="$(version_of gluon-core)"
+
+oldversion="$(cat "$VERSION_FILE" 2>/dev/null)"
+if [ -z "$oldversion" ]; then oldversion="$(cat "$VERSION_FILE_FREIFUNK" 2>/dev/null)"; fi
+if [ -z "$oldversion" ]; then oldversion="$(cat "$VERSION_FILE_LFF" 2>/dev/null)"; fi
+if [ -z "$oldversion" ]; then oldversion="$(cat "$VERSION_FILE_KFF" 2>/dev/null)"; fi
+
+(
+	cd "$UPGRADE_DIR"
+
+	for component in *; do (
+		local version="$(version_of "$component")"
+		if [ -z "$version" ]; then continue; fi
+
+		cd "$component"
+
+		local oldversion="$(oldversion_of "$component")"
+		if [ -z "$oldversion" ]; then
+			do_dir initial
+		else
+			local v
+
+			for v in *; do
+				if [ "$v" = initial -o "$v" = invariant -o "$v" = version ]; then continue; fi
+
+				# The return value of opkg compare-versions is negated
+				if ! opkg compare-versions "$v" '>>' "$oldversion"; then
+					do_dir "$v"
+				fi
+			done
+		fi
+
+		do_dir invariant
+
+		echo "$version" > "$VERSION_DIR"/"$component"
+	) done
+)
+
+rm -f "$VERSION_FILE_FREIFUNK" "$VERSION_FILE_LFF" "$VERSION_FILE_KFF"
diff --git a/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/010-freifunk-migrate-config b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/010-freifunk-migrate-config
new file mode 100755
index 0000000..8f6d702
--- /dev/null
+++ b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/010-freifunk-migrate-config
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+
+[ -r /etc/config/ffhl ] || exit 0
+
+cp /etc/config/ffhl /etc/config/config_mode
+mv /etc/config/ffhl /etc/config/freifunk
+
+uci -q batch <<EOF
+delete config_mode.@bandwidth[0]
+commit config_mode
+
+delete freifunk.@wizard[0]
+commit freifunk
+EOF
+
diff --git a/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/011-freifunk-disable-services b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/011-freifunk-disable-services
new file mode 100755
index 0000000..ac58cd6
--- /dev/null
+++ b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/011-freifunk-disable-services
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+/etc/init.d/dnsmasq disable
+/etc/init.d/telnet disable
diff --git a/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/012-freifunk-migrate-network b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/012-freifunk-migrate-network
new file mode 100755
index 0000000..b074b76
--- /dev/null
+++ b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/012-freifunk-migrate-network
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+get_main_address() {
+    case "$board" in
+	tl-wdr3600|tl-wdr4300)
+	    uci get wireless.radio1.macaddr
+	    ;;
+	*)
+	    uci get wireless.radio0.macaddr
+	    ;;
+    esac
+}
+
+uci set network.freifunk.proto='none'
+uci set network.freifunk.auto='1'
+uci set network.freifunk.accept_ra='1'
+uci set network.freifunk.macaddr=$(get_main_address)
+uci commit network
diff --git a/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/013-freifunk-migrate-batman-adv b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/013-freifunk-migrate-batman-adv
new file mode 100755
index 0000000..46f297f
--- /dev/null
+++ b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/013-freifunk-migrate-batman-adv
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+local interfaces=''
+local interfaces_old="$(uci get batman-adv.bat0.interfaces)"
+
+for interface in $interfaces_old; do
+	if [ $interface != br-wan ]; then interfaces="${interfaces:+${interfaces} }$interface"; fi
+done
+
+uci set batman-adv.bat0.interfaces="$interfaces"
+
+old_interval="$(uci -q get batman-adv.bat0.orig_interval)"
+if [ -z "$old_interval" -o "$old_interval" = 1000 ]; then
+	uci set batman-adv.bat0.orig_interval=5000
+fi
+
+uci commit batman-adv
diff --git a/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/020-lff-wireless b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/020-lff-wireless
new file mode 100755
index 0000000..379f239
--- /dev/null
+++ b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/020-lff-wireless
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+uci -q batch <<EOF
+set wireless.wifi_freifunk.ssid='luebeck.freifunk.net'
+commit wireless
+EOF
diff --git a/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/021-lff-fastd b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/021-lff-fastd
new file mode 100755
index 0000000..0d5498c
--- /dev/null
+++ b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.1/021-lff-fastd
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+
+uci -q batch <<EOF
+delete fastd.ffhl_mesh_vpn.config
+add_list fastd.ffhl_mesh_vpn.config=/lib/freifunk/mesh-vpn-up.conf
+
+commit fastd
+EOF
diff --git a/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.2/010-freifunk-migrate-batman-adv b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.2/010-freifunk-migrate-batman-adv
new file mode 100755
index 0000000..6275f32
--- /dev/null
+++ b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.2/010-freifunk-migrate-batman-adv
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+
+uci set batman-adv.bat0.interfaces="mesh-vpn $(uci -q get batman-adv.bat0.interfaces)"
+uci commit batman-adv
diff --git a/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.2/011-update-avahi-daemon-conf b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.2/011-update-avahi-daemon-conf
new file mode 100755
index 0000000..048eaa6
--- /dev/null
+++ b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.2/011-update-avahi-daemon-conf
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+
+if [ "$(md5sum /etc/avahi/avahi-daemon.conf | cut -d ' ' -f 1)" = e63b3d69311b496c0a06555ea04bc20b ]; then
+	cp /rom/etc/avahi/avahi-daemon.conf /etc/avahi/avahi-daemon.conf
+fi
diff --git a/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.2/020-lff-migrate-mesh-vpn b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.2/020-lff-migrate-mesh-vpn
new file mode 100755
index 0000000..ab46e51
--- /dev/null
+++ b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.2/020-lff-migrate-mesh-vpn
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+
+uci rename fastd.ffhl_mesh_vpn=mesh_vpn
+
+
+bind="$(uci -q get fastd.mesh_vpn.bind)"
+uci -q delete fastd.mesh_vpn.bind
+
+if [ "$bind" -a "$bind" != '0.0.0.0' ]; then
+    uci add_list fastd.mesh_vpn.bind="$bind"
+fi
+
+
+method="$(uci -q get fastd.mesh_vpn.method)"
+uci -q delete fastd.mesh_vpn.method
+
+if [ "$method" ]; then
+    uci add_list fastd.mesh_vpn.method="$method"
+fi
+
+
+uci -q batch <<EOF
+set fastd.mesh_vpn.interface=mesh-vpn
+
+delete fastd.mesh_vpn.config
+add_list fastd.mesh_vpn.config=/lib/freifunk/mesh-vpn/fastd.conf
+
+delete fastd.mesh_vpn.config_peer_dir
+add_list fastd.mesh_vpn.config_peer_dir=/etc/fastd/mesh-vpn/peers
+
+commit fastd
+EOF
diff --git a/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.2/021-lff-migrate-peers b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.2/021-lff-migrate-peers
new file mode 100755
index 0000000..71e8bf4
--- /dev/null
+++ b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.2/021-lff-migrate-peers
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+
+(
+	cd /etc/fastd/ffhl-mesh-vpn/peers
+	rm -f burgtor holstentor muehlentor huextertor
+
+	mv * /etc/fastd/mesh-vpn/peers/ 2>/dev/null || true
+)
+
+rmdir -p /etc/fastd/ffhl-mesh-vpn/peers 2>/dev/null || true
diff --git a/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.3/010-freifunk-migrate-batman-adv b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.3/010-freifunk-migrate-batman-adv
new file mode 100755
index 0000000..ba32c95
--- /dev/null
+++ b/gluon/gluon-core/files/lib/gluon/upgrade/core/0.3.3/010-freifunk-migrate-batman-adv
@@ -0,0 +1,38 @@
+#!/bin/sh
+
+. /lib/ar71xx.sh
+
+local board="$(ar71xx_board_name)"
+
+uci -q batch <<EOF
+set network.mesh.proto='batadv'
+set network.mesh.mesh='bat0'
+
+set network.mesh_vpn='interface'
+set network.mesh_vpn.ifname='mesh-vpn'
+set network.mesh_vpn.proto='batadv'
+set network.mesh_vpn.mesh='bat0'
+EOF
+
+get_main_address() {
+    case "$board" in
+	tl-wdr3600|tl-wdr4300)
+	    uci get wireless.radio1.macaddr
+	    ;;
+	*)
+	    uci get wireless.radio0.macaddr
+	    ;;
+    esac
+}
+
+local mainaddr=$(get_main_address)
+local oIFS="$IFS"; IFS=":"; set -- $mainaddr; IFS="$oIFS"
+local b2mask=0x02
+
+local vpnaddr=$(printf "%02x:%s:%s:%02x:%s:%s" $(( 0x$1 | $b2mask )) $2 $3 $(( (0x$4 + 1) % 0x100 )) $5 $6)
+
+uci set network.mesh_vpn.macaddr="$vpnaddr"
+uci commit network
+
+uci delete batman-adv.bat0.interfaces
+uci commit batman-adv
diff --git a/gluon/gluon-core/files/lib/gluon/upgrade/core/initial/010-freifunk-system b/gluon/gluon-core/files/lib/gluon/upgrade/core/initial/010-freifunk-system
new file mode 100755
index 0000000..376ba8f
--- /dev/null
+++ b/gluon/gluon-core/files/lib/gluon/upgrade/core/initial/010-freifunk-system
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+. /lib/ar71xx.sh
+
+board="$(ar71xx_board_name)"
+
+case "$board" in
+tl-wdr3600|\
+tl-wdr4300)
+	macaddr="$(uci get wireless.radio1.macaddr)"
+
+	uci -q batch <<EOF
+		set system.led_wlan2g.trigger='netdev'
+		set system.led_wlan2g.dev='wlan0'
+		set system.led_wlan2g.mode='link'
+
+		set system.led_wlan5='led'
+		set system.led_wlan5.name='WLAN5'
+		set system.led_wlan5.sysfs='ath9k-phy1'
+		set system.led_wlan5.trigger='netdev'
+		set system.led_wlan5.dev='wlan1'
+		set system.led_wlan5.mode='link'
+EOF
+	;;
+*)
+	macaddr="$(uci get wireless.radio0.macaddr)"
+
+	uci -q batch <<EOF
+		set system.led_wlan.trigger='netdev'
+		set system.led_wlan.dev='wlan0'
+		set system.led_wlan.mode='link'
+EOF
+	;;
+esac
+
+uci -q batch <<EOF
+	set system.@system[0].hostname='Freifunk-${macaddr//:/}'
+	set system.@system[0].timezone='CET-1CEST,M3.5.0,M10.5.0/3'
+	commit system
+EOF
diff --git a/gluon/gluon-core/files/lib/gluon/upgrade/core/initial/011-freifunk-network b/gluon/gluon-core/files/lib/gluon/upgrade/core/initial/011-freifunk-network
new file mode 100755
index 0000000..2962b76
--- /dev/null
+++ b/gluon/gluon-core/files/lib/gluon/upgrade/core/initial/011-freifunk-network
@@ -0,0 +1,64 @@
+#!/bin/sh
+
+. /lib/ar71xx.sh
+
+local lan_ifname="$(uci get network.lan.ifname)"
+local board="$(ar71xx_board_name)"
+
+uci -q batch <<EOF
+delete network.lan
+
+set network.wan.type='bridge'
+set network.wan.proto='dhcp'
+set network.wan.accept_ra='0'
+set network.wan.auto='1'
+
+set network.freifunk='interface'
+set network.freifunk.ifname='$lan_ifname bat0'
+set network.freifunk.type='bridge'
+set network.freifunk.proto='none'
+set network.freifunk.auto='1'
+set network.freifunk.accept_ra='1'
+
+set network.mesh='interface'
+set network.mesh.proto='batadv'
+set network.mesh.mtu='1528'
+set network.mesh.mesh='bat0'
+
+set network.mesh_vpn='interface'
+set network.mesh_vpn.ifname='mesh-vpn'
+set network.mesh_vpn.proto='batadv'
+set network.mesh_vpn.mesh='bat0'
+EOF
+
+get_main_address() {
+    case "$board" in
+	tl-wdr3600|tl-wdr4300)
+	    uci get wireless.radio1.macaddr
+	    ;;
+	*)
+	    uci get wireless.radio0.macaddr
+	    ;;
+    esac
+}
+
+local mainaddr=$(get_main_address)
+local oIFS="$IFS"; IFS=":"; set -- $mainaddr; IFS="$oIFS"
+local b2mask=0x02
+
+local vpnaddr=$(printf "%02x:%s:%s:%02x:%s:%s" $(( 0x$1 | $b2mask )) $2 $3 $(( (0x$4 + 1) % 0x100 )) $5 $6)
+
+uci set network.freifunk.macaddr="$mainaddr"
+uci set network.mesh_vpn.macaddr="$vpnaddr"
+
+case "$board" in
+tl-wr1043nd|\
+tl-wdr3600|\
+tl-wdr4300) # fix up duplicate mac addresses
+	local wanaddr=$(printf "%02x:%s:%s:%02x:%s:%02x" $(( 0x$1 | $b2mask )) $2 $3 $(( (0x$4 + 1) % 0x100 )) $5 $(( (0x$6 + 1) % 0x100 )) )
+
+	uci set network.wan.macaddr="$wanaddr"
+	;;
+esac
+
+uci commit network
diff --git a/gluon/gluon-core/files/lib/gluon/upgrade/core/initial/012-freifunk-disable-services b/gluon/gluon-core/files/lib/gluon/upgrade/core/initial/012-freifunk-disable-services
new file mode 100755
index 0000000..c415205
--- /dev/null
+++ b/gluon/gluon-core/files/lib/gluon/upgrade/core/initial/012-freifunk-disable-services
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+/etc/init.d/dnsmasq disable
+/etc/init.d/telnet disable
+/etc/init.d/uhttpd disable
diff --git a/gluon/gluon-core/files/lib/gluon/upgrade/core/initial/020-lff-wireless b/gluon/gluon-core/files/lib/gluon/upgrade/core/initial/020-lff-wireless
new file mode 100755
index 0000000..18e9c7c
--- /dev/null
+++ b/gluon/gluon-core/files/lib/gluon/upgrade/core/initial/020-lff-wireless
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+uci -q batch <<EOF
+delete wireless.radio0.disabled
+delete wireless.@wifi-iface[0]
+
+set wireless.radio0.channel='1'
+set wireless.radio0.htmode='HT40+'
+set wireless.radio0.country='DE'
+
+set wireless.wifi_freifunk='wifi-iface'
+set wireless.wifi_freifunk.device='radio0'
+set wireless.wifi_freifunk.network='freifunk'
+set wireless.wifi_freifunk.mode='ap'
+set wireless.wifi_freifunk.ssid='luebeck.freifunk.net'
+
+set wireless.wifi_mesh='wifi-iface'
+set wireless.wifi_mesh.device='radio0'
+set wireless.wifi_mesh.network='mesh'
+set wireless.wifi_mesh.mode='adhoc'
+set wireless.wifi_mesh.ssid='02:d1:11:37:fc:38'
+set wireless.wifi_mesh.bssid='02:d1:11:37:fc:38'
+
+commit wireless
+EOF
diff --git a/gluon/gluon-core/files/lib/upgrade/keep.d/gluon b/gluon/gluon-core/files/lib/upgrade/keep.d/gluon
new file mode 100644
index 0000000..19904ba
--- /dev/null
+++ b/gluon/gluon-core/files/lib/upgrade/keep.d/gluon
@@ -0,0 +1 @@
+/lib/gluon/version/