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#!/bin/sh
#
# Copyright (C) 2020, 2021 Etersoft
# Copyright (C) 2020, 2021 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
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
load_helper epm-sh-altlinux
# under root only
SAVELISTDIR=/tmp/eepm-etc-save
__save_alt_repo_lists()
{
assure_root
info "Creating copy of all sources lists to $SAVELISTDIR ..."
local i
rm -rf $verbose $SAVELISTDIR 2>/dev/null
mkdir -p $SAVELISTDIR/apt/ $SAVELISTDIR/apt/sources.list.d/
for i in /etc/apt/sources.list /etc/apt/sources.list.d/*.list ; do
[ -s "$i" ] || continue
local DD="$(echo "$i" | sed -e "s|/etc|$SAVELISTDIR|")"
cp -af $verbose "$i" "$DD" || fatal "Can't save apt source list files to $SAVELISTDIR"
done
}
# under root only
__restore_alt_repo_lists()
{
assure_root
info "Restoring copy of all sources lists from $SAVELISTDIR ..."
local i
[ -d "$SAVELISTDIR/apt" ] || return 0
mkdir -p $SAVELISTDIR/apt/ $SAVELISTDIR/apt/sources.list.d/
for i in /etc/apt/sources.list /etc/apt/sources.list.d/*.list ; do
[ -s "$i" ] || continue
local DD="$(echo "$i" | sed -e "s|/etc|$SAVELISTDIR|")"
# restore only if there are differences
if diff -q "$DD" "$i" >/dev/null ; then
rm -f $verbose "$DD"
else
mv $verbose "$DD" "$i" || warning "Can't restore $i file"
fi
done
}
# save and restore repo lists
__on_error_restore_alt_repo_lists()
{
warning "An error occurred..."
epm repo restore
}
try_change_alt_repo()
{
epm repo save
trap __on_error_restore_alt_repo_lists EXIT
}
end_change_alt_repo()
{
trap - EXIT
}
epm_reposave()
{
case $PMTYPE in
apt-*)
if ! is_root ; then
sudoepm repo save
return
fi
__save_alt_repo_lists
;;
*)
fatal "Have no suitable command for $PMTYPE"
;;
esac
}
epm_reporestore()
{
case $PMTYPE in
apt-*)
if ! is_root ; then
sudoepm repo restore
return
fi
__restore_alt_repo_lists
;;
*)
fatal "Have no suitable command for $PMTYPE"
;;
esac
}
epm_reporeset()
{
case $PMTYPE in
winget)
sudocmd winget source reset
;;
*)
fatal "Have no suitable command for $PMTYPE"
;;
esac
}