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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2016 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package patch
import (
"errors"
"github.com/snapcore/snapd/overlord/state"
"github.com/snapcore/snapd/snap"
)
func init() {
patches[6] = []PatchFunc{patch6, patch6_1, patch6_2, patch6_3}
}
type patch6Flags struct {
DevMode bool `json:"devmode,omitempty"`
JailMode bool `json:"jailmode,omitempty"`
TryMode bool `json:"trymode,omitempty"`
Revert bool `json:"revert,omitempty"`
}
type patch6SnapSetup struct {
Channel string `json:"channel,omitempty"`
UserID int `json:"user-id,omitempty"`
patch6Flags
SnapPath string `json:"snap-path,omitempty"`
DownloadInfo *patch4DownloadInfo `json:"download-info,omitempty"`
SideInfo *patch4SideInfo `json:"side-info,omitempty"`
}
type patch6SnapState struct {
SnapType string `json:"type"` // Use Type and SetType
Sequence []*patch4SideInfo `json:"sequence"`
Active bool `json:"active,omitempty"`
Current snap.Revision `json:"current"`
Channel string `json:"channel,omitempty"`
patch6Flags
}
func patch6FlagsFromPatch4(old patch4Flags) patch6Flags {
return patch6Flags{
DevMode: old.DevMode(),
TryMode: old.TryMode(),
JailMode: old.JailMode(),
Revert: old.Revert(),
}
}
// patch6:
// - move from a flags-are-ints world to a flags-are-struct-of-bools world
func patch6(st *state.State) error {
var oldStateMap map[string]*patch4SnapState
err := st.Get("snaps", &oldStateMap)
if errors.Is(err, state.ErrNoState) {
return nil
}
if err != nil {
return err
}
newStateMap := make(map[string]*patch6SnapState, len(oldStateMap))
for key, old := range oldStateMap {
newStateMap[key] = &patch6SnapState{
SnapType: old.SnapType,
Sequence: old.Sequence,
Active: old.Active,
Current: old.Current,
Channel: old.Channel,
patch6Flags: patch6FlagsFromPatch4(old.Flags),
}
}
for _, task := range st.Tasks() {
var old patch4SnapSetup
err := task.Get("snap-setup", &old)
if errors.Is(err, state.ErrNoState) {
continue
}
if err != nil && !errors.Is(err, state.ErrNoState) {
return err
}
task.Set("snap-setup", &patch6SnapSetup{
Channel: old.Channel,
UserID: old.UserID,
SnapPath: old.SnapPath,
DownloadInfo: old.DownloadInfo,
SideInfo: old.SideInfo,
patch6Flags: patch6FlagsFromPatch4(old.Flags),
})
}
st.Set("snaps", newStateMap)
return nil
}
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