From a9cedbdd3c82d37e11d0af40aeed65f106c26f3b Mon Sep 17 00:00:00 2001
From: Laurent Bonnans <laurent.bonnans@here.com>
Date: Wed, 31 Jul 2019 19:09:53 +0200
Subject: Add bugfix service for old connman to systemd-networkd

Signed-off-by: Laurent Bonnans <laurent.bonnans@here.com>
---
 .../files/clean-connman-symlink.service            | 11 +++++++++++
 .../networkd-dhcp-conf/files/resolvconf-clean      | 14 ++++++++++++++
 .../networkd-dhcp-conf/networkd-dhcp-conf.bb       | 22 +++++++++++++++++++---
 3 files changed, 44 insertions(+), 3 deletions(-)
 create mode 100644 recipes-connectivity/networkd-dhcp-conf/files/clean-connman-symlink.service
 create mode 100644 recipes-connectivity/networkd-dhcp-conf/files/resolvconf-clean

diff --git a/recipes-connectivity/networkd-dhcp-conf/files/clean-connman-symlink.service b/recipes-connectivity/networkd-dhcp-conf/files/clean-connman-symlink.service
new file mode 100644
index 0000000..8af8263
--- /dev/null
+++ b/recipes-connectivity/networkd-dhcp-conf/files/clean-connman-symlink.service
@@ -0,0 +1,11 @@
+[Unit]
+Description=Clean up bogus symlinked resolv.conf
+Before=network-pre.target
+Wants=network-pre.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/sbin/resolvconf-clean
+
+[Install]
+WantedBy=multi-user.target
diff --git a/recipes-connectivity/networkd-dhcp-conf/files/resolvconf-clean b/recipes-connectivity/networkd-dhcp-conf/files/resolvconf-clean
new file mode 100644
index 0000000..89c7e90
--- /dev/null
+++ b/recipes-connectivity/networkd-dhcp-conf/files/resolvconf-clean
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+set -e
+
+if [ ! -L /etc/resolv.conf ]; then
+    exit 0
+fi
+
+# 'readlink -f' will fail if the symlink doesn't resolve to an existing path
+if readlink /etc/resolv.conf | grep -q connman; then
+    echo "Replacing resolv.conf symlink: $(readlink /etc/resolv.conf) to /etc/resolv-conf.systemd"
+    rm /etc/resolv.conf
+    ln -s /etc/resolv-conf.systemd /etc/resolv.conf
+fi
diff --git a/recipes-connectivity/networkd-dhcp-conf/networkd-dhcp-conf.bb b/recipes-connectivity/networkd-dhcp-conf/networkd-dhcp-conf.bb
index 0700ac6..b6076cd 100644
--- a/recipes-connectivity/networkd-dhcp-conf/networkd-dhcp-conf.bb
+++ b/recipes-connectivity/networkd-dhcp-conf/networkd-dhcp-conf.bb
@@ -8,21 +8,37 @@ inherit allarch systemd
 
 RPROVIDES_${PN} = "virtual/network-configuration"
 
-SRC_URI_append = " file://20-wired-dhcp.network"
+SRC_URI = " \
+  file://20-wired-dhcp.network \
+  file://resolvconf-clean \
+  file://clean-connman-symlink.service \
+  "
 PR = "r1"
 
 RDEPENDS_${PN} = "systemd"
+RCONFLICTS_${PN} = "connman"
 
 S = "${WORKDIR}"
 
 PACKAGE_ARCH = "${MACHINE_ARCH}"
 
-FILES_${PN} = "${systemd_unitdir}/network/*"
+FILES_${PN} = " \
+        ${systemd_unitdir}/network/* \
+        ${sbindir}/resolvconf-clean \
+        ${systemd_unitdir}/system/clean-connman-symlink.service \
+        "
+
+SYSTEMD_SERVICE_${PN} = "clean-connman-symlink.service"
 
 DEV_MATCH_DIRECTIVE ?= "Name=en*"
 
 do_install() {
     install -d ${D}/${systemd_unitdir}/network
-    install -m 0644 ${WORKDIR}/20-wired-dhcp.network ${D}/${systemd_unitdir}/network
+    install -m 0644 ${WORKDIR}/20-wired-dhcp.network ${D}${systemd_unitdir}/network
     sed -i -e 's|@MATCH_DIRECTIVE@|${DEV_MATCH_DIRECTIVE}|g' ${D}${systemd_unitdir}/network/20-wired-dhcp.network
+
+    install -d ${D}${sbindir}
+    install -m 0755 ${WORKDIR}/resolvconf-clean ${D}${sbindir}/resolvconf-clean
+    install -d ${D}${systemd_unitdir}/system
+    install -m 0644 ${WORKDIR}/clean-connman-symlink.service ${D}${systemd_unitdir}/system/clean-connman-symlink.service
 }
-- 
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