merge upstream and our changelog

[ifupdown2.git] / debian / patches / pve / 0009-postinst-rm-update-network-config-compatibility.patch

From 2fe84449da923d01de8bbed84f4f8ce15548225f Mon Sep 17 00:00:00 2001
From: Alexandre Derumier <aderumier@odiso.com>
Date: Fri, 21 Feb 2020 10:01:59 +0100
Subject: [PATCH 09/12] postinst/rm : update network config compatibility

Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
---
 debian/ifupdown2.postinst | 23 +++++++++++++++++++++++
 debian/ifupdown2.postrm   | 20 ++++++++++++++++++++
 debian/ifupdown2.preinst  | 20 ++++++++++++++++++++
 3 files changed, 63 insertions(+)
 create mode 100644 debian/ifupdown2.preinst

diff --git a/debian/ifupdown2.postinst b/debian/ifupdown2.postinst
index 3689256..b7de485 100644
--- a/debian/ifupdown2.postinst
+++ b/debian/ifupdown2.postinst
@@ -85,6 +85,25 @@ postinst_remove_diverts()
     _postinst_remove_diverts "/usr/share/man/man5/interfaces.5.gz"
 }
 
+proxmox_compatibility()
+{
+    perl -e '
+	my $haspve_common; eval { require PVE::INotify; $haspve_common = 1; };
+	exit if !$haspve_common;
+	my $config = PVE::INotify::read_file('interfaces', 1);
+	my $configdata = $config->{data};
+
+	PVE::INotify::write_file('interfaces', $configdata);
+
+	$config = PVE::INotify::read_file('interfaces', 1);
+
+	if (defined($config->{changes})) {
+	    #print $config->{changes};
+	    print "\nnetwork config changes have been detected for ifupdown2 compatibility.\nSaved in /etc/network/interfaces.new for hot-apply or next reboot.\n\n";
+	}
+    ' || true
+}
+
 case "$1" in
     configure)
         fix_dhclient_file_with_space
@@ -92,6 +111,10 @@ case "$1" in
         process_udev
         chmod +x /usr/share/ifupdown2/__main__.py
         postinst_remove_diverts
+        if [ -f "/tmp/.ifupdown2-first-install" ]; then
+            proxmox_compatibility
+            rm  /tmp/.ifupdown2-first-install
+        fi
     ;;
 
     abort-upgrade|abort-remove|abort-deconfigure)
diff --git a/debian/ifupdown2.postrm b/debian/ifupdown2.postrm
index 5d90b21..fd62294 100644
--- a/debian/ifupdown2.postrm
+++ b/debian/ifupdown2.postrm
@@ -25,10 +25,30 @@ process_udev()
     fi
 }
 
+proxmox_compatibility()
+{
+    perl -e '
+        my $haspve_common; eval { require PVE::INotify; $haspve_common = 1; };
+        exit if !$haspve_common;
+        my $config = PVE::INotify::read_file('interfaces', 1);
+        my $configdata = $config->{data};
+
+        PVE::INotify::write_file('interfaces', $configdata);
+
+        $config = PVE::INotify::read_file('interfaces', 1);
+
+        if (defined($config->{changes})) {
+            #print $config->{changes};
+            print "\nnetwork config changes have been detected for ifupdown2 to ifupdown1 switch compatibility.\nSaved in /etc/network/interfaces.new for next reboot\n\n";
+        }
+    ' || true
+}
+
 case "$1" in
     purge|remove|abort-install|disappear)
         process_state_file
         process_udev
+        proxmox_compatibility
     ;;
 
     upgrade|failed-upgrade|abort-upgrade|disappear)
diff --git a/debian/ifupdown2.preinst b/debian/ifupdown2.preinst
new file mode 100644
index 0000000..aa8653e
--- /dev/null
+++ b/debian/ifupdown2.preinst
@@ -0,0 +1,20 @@
+#!/bin/sh
+set -e
+
+case "$1" in
+    install)
+        touch /tmp/.ifupdown2-first-install
+        ;;
+
+    upgrade|abort-upgrade)
+        ;;
+
+    *)
+        echo "postinst called with unknown argument \`$1'" >&2
+        exit 0
+        ;;
+esac
+
+#DEBHELPER#
+
+exit 0
-- 
2.30.2