From 7c7da49545d6c5a052849ce3409ebc6d5994cd5c Mon Sep 17 00:00:00 2001
From: Vitaly Lipatov <lav@etersoft.ru>
Date: Wed, 24 Feb 2016 16:14:56 +0300
Subject: [PATCH] fix downgrade for LINUX@Etersoft, Debian, Ubuntu, add support
for downgrade one or a few packages
---
bin/epm-downgrade | 54 ++++++++++++++++++++++++++++++++++++++---------
1 file changed, 44 insertions(+), 10 deletions(-)
diff --git a/bin/epm-downgrade b/bin/epm-downgrade
index 36f91223..8de7c11d 100644
--- a/bin/epm-downgrade
+++ b/bin/epm-downgrade
@@ -1,7 +1,7 @@
#!/bin/sh
#
-# Copyright (C) 2012,2014 Etersoft
-# Copyright (C) 2012,2014 Vitaly Lipatov <lav@etersoft.ru>
+# Copyright (C) 2012,2014,2016 Etersoft
+# Copyright (C) 2012,2014,2016 Vitaly Lipatov <lav@etersoft.ru>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
@@ -19,13 +19,39 @@
load_helper epm-check_updated_repo
-__epm_add_apt_downgrade_preferences()
+__epm_add_alt_apt_downgrade_preferences()
{
[ -r /etc/apt/preferences ] && fatal "/etc/apt/preferences already exists"
cat <<EOF | $SUDO tee /etc/apt/preferences
+# main repo
Package: *
-Pin: release c=$1
+Pin: release c=classic
Pin-Priority: 1001
+
+# overload with addon repo
+Package: *
+Pin: release c=addon
+Pin-Priority: 1101
+EOF
+}
+
+# See https://wiki.debian.org/ru/AptPreferences
+__epm_add_deb_apt_downgrade_preferences()
+{
+ [ -r /etc/apt/preferences ] && fatal "/etc/apt/preferences already exists"
+ info "Running with /etc/apt/preferences:"
+ cat <<EOF | $SUDO tee /etc/apt/preferences
+Package: *
+Pin: release a=stable
+Pin-Priority: 1001
+
+Package: *
+Pin: release a=testing
+Pin-Priority: 900
+
+Package: *
+Pin: release a=unstable
+Pin-Priority: 800
EOF
}
@@ -45,21 +71,29 @@ epm_downgrade()
case $PMTYPE in
apt-rpm)
- __epm_add_apt_downgrade_preferences classic || return
- sudocmd apt-get dist-upgrade
+ __epm_add_alt_apt_downgrade_preferences || return
+ if [ -n "$pkg_filenames" ] ; then
+ sudocmd apt-get install $pkg_filenames
+ else
+ sudocmd apt-get dist-upgrade
+ fi
__epm_remove_apt_downgrade_preferences
;;
apt-dpkg)
- __epm_add_apt_downgrade_preferences testing || return
- sudocmd apt-get dist-upgrade
+ __epm_add_deb_apt_downgrade_preferences || return
+ if [ -n "$pkg_filenames" ] ; then
+ sudocmd apt-get install $pkg_filenames
+ else
+ sudocmd apt-get dist-upgrade
+ fi
__epm_remove_apt_downgrade_preferences
;;
yum-rpm)
# can do update repobase automagically
- sudocmd yum downgrade $pkg_filename
+ sudocmd yum downgrade $pkg_filenames
;;
dnf-rpm)
- sudocmd dnf downgrade $pkg_filename
+ sudocmd dnf downgrade $pkg_filenames
;;
urpm-rpm)
assure_exists urpm-reposync urpm-tools
--
2.24.1